/* Ruidopamina - Inspired by Roland SP-404 MKII */
/* Dark, professional, tactile design */

:root {
    /* Roland-inspired color palette */
    --sp-black: #0a0a0a;
    --sp-dark-gray: #1a1a1a;
    --sp-med-gray: #2a2a2a;
    --sp-light-gray: #3a3a3a;
    --sp-border: #333;
    
    /* Accent colors */
    --sp-orange: #ff6b35;
    --sp-red: #ff3333;
    --sp-yellow: #ffcc00;
    --sp-green: #00ff88;
    --sp-blue: #4477ff;
    
    /* Button states */
    --sp-btn-off: #2a2a2a;
    --sp-btn-hover: #3a3a3a;
    --sp-btn-active: var(--sp-orange);
    
    /* Text */
    --sp-text: #e0e0e0;
    --sp-text-dim: #808080;
    
    /* Shadows */
    --sp-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5);
    --sp-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.6);
    --sp-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.7);
    --sp-shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', 'Helvetica', sans-serif;
    background: var(--sp-black);
}

/* Main Container */
.isp-sampler-wrapper {
    max-width: 1200px;
    margin: 20px auto;
    padding: 30px;
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 20px;
    border: 3px solid var(--sp-border);
    box-shadow: var(--sp-shadow-lg),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Header */
.isp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--sp-dark-gray);
    border-radius: 12px;
    border: 1px solid var(--sp-border);
    box-shadow: var(--sp-shadow-sm);
}

.isp-title {
    margin: 0;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--sp-orange) 0%, var(--sp-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.isp-header-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Buttons - Roland Style */
.isp-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--sp-btn-off);
    border: 2px solid var(--sp-border);
    border-radius: 6px;
    color: var(--sp-text);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--sp-shadow-sm), var(--sp-shadow-inset);
    position: relative;
}

.isp-btn:hover {
    background: var(--sp-btn-hover);
    border-color: var(--sp-orange);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 107, 53, 0.3);
}

.isp-btn:active {
    transform: translateY(1px);
    box-shadow: var(--sp-shadow-inset);
}

.isp-btn svg {
    width: 16px;
    height: 16px;
}

/* Button variants */
.isp-btn-primary {
    background: linear-gradient(145deg, var(--sp-orange) 0%, #ff5522 100%);
    border-color: var(--sp-orange);
    color: white;
}

.isp-btn-primary:hover {
    background: linear-gradient(145deg, #ff5522 0%, var(--sp-orange) 100%);
    box-shadow: 0 6px 12px rgba(255, 107, 53, 0.5);
}

.isp-btn-secondary {
    background: var(--sp-med-gray);
}

.isp-btn-zen,
.isp-btn-relax {
    background: linear-gradient(145deg, #6b4dff 0%, #8b5cf6 100%);
    border-color: #6b4dff;
}

.isp-btn-relax.active {
    background: linear-gradient(145deg, var(--sp-green) 0%, #00dd77 100%);
    border-color: var(--sp-green);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

/* Control Panel */
.isp-control-panel {
    background: var(--sp-dark-gray);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    border: 1px solid var(--sp-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    box-shadow: var(--sp-shadow-sm);
}

.isp-recording-mode {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.isp-mode-indicator {
    padding: 12px 24px;
    background: rgba(255, 107, 53, 0.1);
    border: 2px solid var(--sp-orange);
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--sp-shadow-sm);
}

.isp-mode-indicator.recording {
    background: rgba(255, 51, 51, 0.2);
    border-color: var(--sp-red);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(0.98); }
}

.isp-recording-status {
    padding: 10px 20px;
    background: var(--sp-black);
    border-radius: 6px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--sp-orange);
    font-size: 18px;
    letter-spacing: 1px;
    font-family: 'Courier New', monospace;
    border: 1px solid var(--sp-border);
}

/* Pads Grid - Roland SP-404 style */
.isp-pads-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--sp-dark-gray);
    border-radius: 12px;
    border: 1px solid var(--sp-border);
    box-shadow: var(--sp-shadow-md);
}

.isp-pad {
    aspect-ratio: 1;
    background: linear-gradient(145deg, #2a2a2a 0%, #1a1a1a 100%);
    border: 3px solid var(--sp-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.1s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    user-select: none;
    box-shadow: var(--sp-shadow-sm), var(--sp-shadow-inset);
    overflow: hidden;
}

.isp-pad::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.2s;
}

.isp-pad:hover::before {
    opacity: 1;
}

.isp-pad:hover {
    border-color: var(--sp-orange);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 107, 53, 0.4);
}

.isp-pad:active,
.isp-pad.active {
    transform: scale(0.95);
    background: linear-gradient(145deg, var(--sp-orange) 0%, #ff5522 100%);
    border-color: var(--sp-orange);
    box-shadow: 0 0 25px rgba(255, 107, 53, 0.8),
                inset 0 2px 8px rgba(0, 0, 0, 0.6);
}

.isp-pad.recording {
    border-color: var(--sp-red);
    background: linear-gradient(145deg, rgba(255, 51, 51, 0.3) 0%, rgba(255, 51, 51, 0.1) 100%);
    animation: recording-pulse 1s ease-in-out infinite;
}

@keyframes recording-pulse {
    0%, 100% { box-shadow: 0 0 15px rgba(255, 51, 51, 0.6); }
    50% { box-shadow: 0 0 25px rgba(255, 51, 51, 0.9); }
}

.isp-pad.has-sample {
    background: linear-gradient(145deg, rgba(0, 255, 136, 0.15) 0%, rgba(0, 221, 119, 0.1) 100%);
    border-color: rgba(0, 255, 136, 0.5);
}

.isp-pad.has-sample:hover {
    border-color: var(--sp-green);
    box-shadow: 0 6px 12px rgba(0, 255, 136, 0.4);
}

.isp-pad.loop-mode::after {
    content: "⟲";
    position: absolute;
    top: 6px;
    left: 6px;
    font-size: 16px;
    color: var(--sp-orange);
    text-shadow: 0 0 8px rgba(255, 107, 53, 0.8);
}

.isp-pad-number {
    font-size: 28px;
    font-weight: 900;
    color: var(--sp-text-dim);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 1px;
}

.isp-pad.has-sample .isp-pad-number {
    color: var(--sp-green);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.isp-pad-zen-icon,
.isp-pad-relax-icon {
    font-size: 36px;
    opacity: 0.9;
    display: none;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.8));
}

.isp-pad-status {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--sp-green);
    opacity: 0;
    box-shadow: 0 0 10px var(--sp-green);
}

.isp-pad.has-sample .isp-pad-status {
    opacity: 1;
}

/* Pad Controls */
.isp-pad-controls {
    position: absolute;
    bottom: 6px;
    right: 6px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.isp-pad:hover .isp-pad-controls {
    opacity: 1;
}

.isp-pad-edit,
.isp-pad-delete {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--sp-border);
    padding: 6px;
    border-radius: 4px;
    cursor: pointer;
    color: var(--sp-text);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.isp-pad-edit:hover {
    background: var(--sp-orange);
    border-color: var(--sp-orange);
    box-shadow: 0 0 8px var(--sp-orange);
}

.isp-pad-delete:hover {
    background: var(--sp-red);
    border-color: var(--sp-red);
    box-shadow: 0 0 8px var(--sp-red);
}

/* Session Controls */
.isp-session-controls {
    padding: 20px;
    background: var(--sp-dark-gray);
    border-radius: 12px;
    margin-bottom: 25px;
    border: 1px solid var(--sp-border);
}

.isp-session-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Modals - Dark professional style */
.isp-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.isp-modal.active {
    display: flex;
}

.isp-modal-content {
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9),
                0 0 0 1px var(--sp-border);
    border: 2px solid var(--sp-border);
}

.isp-modal-large {
    max-width: 900px;
}

.isp-modal-header {
    padding: 20px 25px;
    background: var(--sp-med-gray);
    border-bottom: 2px solid var(--sp-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.isp-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--sp-text);
}

.isp-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--sp-text-dim);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.isp-modal-close:hover {
    background: var(--sp-red);
    color: white;
}

.isp-modal-body {
    padding: 25px;
    overflow-y: auto;
    flex: 1;
}

/* Sliders - Roland style */
.isp-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--sp-black);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid var(--sp-border);
}

.isp-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 3px;
    background: linear-gradient(145deg, var(--sp-orange) 0%, #ff5522 100%);
    cursor: pointer;
    border: 2px solid var(--sp-black);
    box-shadow: 0 2px 6px rgba(255, 107, 53, 0.5);
    transition: all 0.2s;
}

.isp-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.7);
}

.isp-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 3px;
    background: linear-gradient(145deg, var(--sp-orange) 0%, #ff5522 100%);
    cursor: pointer;
    border: 2px solid var(--sp-black);
    box-shadow: 0 2px 6px rgba(255, 107, 53, 0.5);
}

/* Form Controls */
.isp-edit-group {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--sp-med-gray);
    border-radius: 8px;
    border: 1px solid var(--sp-border);
}

.isp-edit-group label {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--sp-text);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.isp-edit-group label span:first-child {
    min-width: 80px;
}

.isp-edit-group label span:last-child {
    min-width: 60px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--sp-orange);
    font-weight: 700;
}

.isp-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--sp-orange);
}

/* Responsive */
@media (max-width: 768px) {
    .isp-sampler-wrapper {
        padding: 20px;
        border-radius: 16px;
    }
    
    .isp-pads-grid {
        gap: 8px;
        padding: 15px;
    }
    
    .isp-pad-number {
        font-size: 22px;
    }
    
    .isp-title {
        font-size: 24px;
    }
    
    .isp-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .isp-pad-controls {
        opacity: 1;
    }
}

@media (max-width: 480px) {
    .isp-pads-grid {
        gap: 6px;
    }
    
    .isp-pad-number {
        font-size: 18px;
    }
    
    .isp-btn {
        font-size: 11px;
        padding: 8px 14px;
    }
}

/* RELAX Mode Styles */
.isp-sampler-wrapper.relax-mode .isp-pad:nth-child(n+5) .isp-pad-number {
    display: none !important;
}

.isp-sampler-wrapper.relax-mode .isp-pad:nth-child(n+5) .isp-pad-relax-icon {
    display: block !important;
}

.isp-sampler-wrapper.relax-mode .isp-pad:nth-child(n+5) {
    background: linear-gradient(145deg, rgba(107, 77, 255, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-color: rgba(107, 77, 255, 0.5);
}

.isp-sampler-wrapper.relax-mode .isp-pad:nth-child(n+5):hover {
    border-color: #6b4dff;
    box-shadow: 0 6px 12px rgba(107, 77, 255, 0.4);
}

.isp-sampler-wrapper.relax-mode .isp-pad:nth-child(n+5).active {
    background: linear-gradient(145deg, #6b4dff 0%, #8b5cf6 100%);
    border-color: #6b4dff;
}

.isp-sampler-wrapper.relax-mode .isp-pad:nth-child(n+5) .isp-pad-controls {
    display: none !important;
}

/* Pads 1-4 in RELAX mode stay available for recording */
.isp-sampler-wrapper.relax-mode .isp-pad:nth-child(-n+4) {
    border-color: var(--sp-green);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.3);
}

/* ============================================
   VISUALIZER
   ============================================ */

.isp-visualizer-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #000;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

#isp-fluid-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.isp-visualizer-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    pointer-events: none;
}

.isp-visualizer-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    pointer-events: all;
}

.isp-visualizer-container.fullscreen {
    position: fixed !important;
}

/* Visualizer button active state */
#isp-visualizer-toggle.active {
    background: linear-gradient(145deg, #6b4dff 0%, #8b5cf6 100%);
    border-color: #6b4dff;
    box-shadow: 0 0 20px rgba(107, 77, 255, 0.5);
}

/* Fullscreen API */
.isp-visualizer-container:-webkit-full-screen {
    width: 100vw;
    height: 100vh;
}

.isp-visualizer-container:-moz-full-screen {
    width: 100vw;
    height: 100vh;
}

.isp-visualizer-container:-ms-fullscreen {
    width: 100vw;
    height: 100vh;
}

.isp-visualizer-container:fullscreen {
    width: 100vw;
    height: 100vh;
}

/* ============================================
   MOBILE UX IMPROVEMENTS
   ============================================ */

/* Touch gesture visual feedback */
.isp-pad.pad-touching {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

.isp-pad.swiping-left {
    background: linear-gradient(90deg, transparent 0%, rgba(255, 51, 51, 0.3) 100%);
    border-color: var(--sp-red, #ff3333);
}

.isp-pad.swiping-left::after {
    content: '← Borrar';
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    color: var(--sp-red, #ff3333);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    pointer-events: none;
}

.isp-pad.swiping-right {
    background: linear-gradient(90deg, rgba(107, 77, 255, 0.3) 0%, transparent 100%);
    border-color: var(--sp-purple, #6b4dff);
}

.isp-pad.swiping-right::after {
    content: 'Editar →';
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translateY(-50%);
    color: var(--sp-purple, #6b4dff);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    pointer-events: none;
}

/* Mobile: larger touch targets */
@media (max-width: 768px) {
    
    /* Larger header buttons */
    .isp-header-controls {
        gap: 8px;
    }
    
    .isp-btn {
        min-height: 44px; /* Apple's recommended touch target */
        min-width: 44px;
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .isp-btn svg {
        width: 20px;
        height: 20px;
    }
    
    /* Larger pads */
    .isp-pads-grid {
        gap: 12px;
        padding: 20px 15px;
    }
    
    .isp-pad {
        min-height: 80px;
        padding: 12px;
    }
    
    .isp-pad-number {
        font-size: 18px;
    }
    
    /* Hide desktop edit/delete buttons on mobile */
    .isp-pad-controls {
        display: none !important;
    }
    
    /* Larger control panel */
    .isp-control-panel {
        padding: 20px 15px;
        gap: 15px;
    }
    
    .isp-recording-mode {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .isp-mode-indicator {
        font-size: 16px;
        padding: 12px;
    }
    
    .isp-recording-status {
        font-size: 18px;
        padding: 12px;
    }
    
    /* Session controls */
    .isp-session-controls {
        padding: 20px 15px;
    }
    
    .isp-session-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-session-actions .isp-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Modal improvements */
    .isp-modal-content {
        width: 95%;
        max-width: 500px;
        margin: 20px auto;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .isp-modal-header {
        padding: 20px;
    }
    
    .isp-modal-body {
        padding: 20px;
    }
    
    .isp-modal-close {
        width: 44px;
        height: 44px;
        font-size: 28px;
    }
    
    /* Edit modal controls */
    .isp-edit-controls {
        gap: 20px;
    }
    
    .isp-edit-group label {
        font-size: 16px;
    }
    
    .isp-slider {
        height: 8px;
    }
    
    .isp-slider::-webkit-slider-thumb {
        width: 24px;
        height: 24px;
    }
    
    .isp-slider::-moz-range-thumb {
        width: 24px;
        height: 24px;
    }
    
    .isp-checkbox {
        width: 24px;
        height: 24px;
    }
    
    /* Edit actions */
    .isp-edit-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-edit-actions .isp-btn {
        width: 100%;
    }
    
    /* Master EQ improvements */
    .isp-eq-controls {
        gap: 25px;
    }
    
    .isp-eq-band {
        gap: 12px;
    }
    
    .isp-eq-band label {
        font-size: 16px;
    }
    
    /* Session list */
    .isp-session-list {
        gap: 12px;
    }
    
    .isp-session-item {
        padding: 15px;
    }
    
    .isp-session-item-actions {
        flex-direction: column;
        gap: 8px;
        margin-top: 12px;
    }
    
    .isp-session-item-actions .isp-btn {
        width: 100%;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    
    .isp-header {
        flex-direction: column;
        gap: 12px;
        padding: 15px;
    }
    
    .isp-header-controls {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    
    .isp-btn span {
        display: none; /* Hide text, show only icons on very small screens */
    }
    
    .isp-btn-relax span,
    .isp-user-info {
        display: inline-block; /* Keep RELAX and user info */
    }
    
    .isp-pads-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
        padding: 15px 10px;
    }
    
    .isp-pad {
        min-height: 70px;
        padding: 8px;
    }
    
    .isp-pad-number {
        font-size: 16px;
    }
}

/* Landscape mobile */
@media (max-width: 768px) and (orientation: landscape) {
    
    .isp-pads-grid {
        grid-template-columns: repeat(8, 1fr);
        padding: 15px;
    }
    
    .isp-pad {
        min-height: 60px;
    }
    
    .isp-control-panel {
        padding: 15px;
    }
}

/* Prevent text selection on touch */
@media (hover: none) {
    .isp-pad {
        -webkit-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
}

/* Improve touch feedback */
@media (hover: none) {
    .isp-btn:active {
        transform: scale(0.95);
    }
    
    .isp-pad:active {
        transform: scale(0.98);
    }
}

/* ============================================
   MOBILE TUTORIAL
   ============================================ */

.isp-mobile-tutorial {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.isp-mobile-tutorial.show {
    opacity: 1;
}

.isp-tutorial-content {
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border: 2px solid var(--sp-orange, #ff6b35);
    border-radius: 16px;
    padding: 30px;
    max-width: 90%;
    width: 400px;
    text-align: center;
}

.isp-tutorial-content h3 {
    font-size: 24px;
    color: var(--sp-orange, #ff6b35);
    margin-bottom: 25px;
}

.isp-tutorial-gestures {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

.isp-tutorial-gesture {
    display: flex;
    align-items: center;
    gap: 15px;
    text-align: left;
    padding: 15px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 107, 53, 0.3);
}

.isp-gesture-icon {
    font-size: 40px;
    min-width: 60px;
    text-align: center;
}

.isp-tutorial-gesture p {
    flex: 1;
    margin: 0;
    color: var(--sp-text, #e0e0e0);
    font-size: 14px;
    line-height: 1.5;
}

.isp-tutorial-gesture strong {
    display: block;
    color: var(--sp-orange, #ff6b35);
    font-size: 16px;
    margin-bottom: 5px;
}

.isp-tutorial-close {
    width: 100%;
    font-size: 16px;
}

/* ============================================
   MOBILE UX - CHIME INSPIRED
   ============================================ */

/* Touch-friendly buttons and controls */
@media (max-width: 768px) {
    
    /* Larger touch targets */
    .isp-btn {
        min-height: 56px;
        min-width: 56px;
        padding: 16px 20px;
        font-size: 16px;
        font-weight: 600;
    }
    
    .isp-btn svg {
        width: 24px;
        height: 24px;
    }
    
    /* Header adjustments */
    .isp-header {
        flex-direction: column;
        gap: 16px;
        padding: 20px 16px;
    }
    
    .isp-header-controls {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
    }
    
    .isp-title {
        font-size: 28px;
    }
    
    /* Pads grid - bigger and more spaced */
    .isp-pads-grid {
        gap: 16px;
        padding: 20px;
    }
    
    .isp-pad {
        min-height: 90px;
        padding: 16px;
        position: relative;
    }
    
    .isp-pad-number {
        font-size: 20px;
        font-weight: 700;
    }
    
    /* CRITICAL: Show edit/delete buttons on mobile */
    .isp-pad-controls {
        display: flex !important;
        position: absolute;
        bottom: 8px;
        right: 8px;
        gap: 8px;
    }
    
    .isp-pad-edit,
    .isp-pad-delete {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(26, 26, 26, 0.9);
        border: 2px solid var(--sp-border);
        color: var(--sp-text);
        font-size: 18px;
        cursor: pointer;
        transition: all 0.2s;
    }
    
    .isp-pad-edit:active {
        background: var(--sp-blue);
        transform: scale(0.95);
    }
    
    .isp-pad-delete:active {
        background: var(--sp-red);
        transform: scale(0.95);
    }
    
    /* Control panel */
    .isp-control-panel {
        padding: 20px;
        gap: 16px;
    }
    
    .isp-recording-mode {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-mode-indicator {
        font-size: 18px;
        padding: 16px;
        min-height: 56px;
    }
    
    /* Session controls */
    .isp-session-controls {
        padding: 20px;
    }
    
    .isp-session-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-session-actions .isp-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Modal improvements */
    .isp-modal-content {
        width: 95%;
        max-width: 500px;
        margin: 20px;
    }
    
    .isp-modal-header {
        padding: 24px;
    }
    
    .isp-modal-body {
        padding: 24px;
    }
    
    .isp-modal-close {
        width: 56px;
        height: 56px;
        font-size: 32px;
    }
    
    /* Edit controls */
    .isp-edit-controls {
        gap: 24px;
    }
    
    .isp-edit-group label {
        font-size: 18px;
        font-weight: 600;
    }
    
    .isp-slider {
        height: 12px;
    }
    
    .isp-slider::-webkit-slider-thumb {
        width: 32px;
        height: 32px;
    }
    
    .isp-slider::-moz-range-thumb {
        width: 32px;
        height: 32px;
    }
    
    .isp-checkbox {
        width: 28px;
        height: 28px;
    }
    
    /* Edit actions */
    .isp-edit-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-edit-actions .isp-btn {
        width: 100%;
    }
    
    /* Waveform editor */
    .isp-waveform-controls {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-waveform-controls .isp-btn {
        width: 100%;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    
    .isp-sampler-wrapper {
        margin: 0;
        padding: 16px;
        border-radius: 0;
    }
    
    .isp-pads-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
        padding: 16px;
    }
    
    .isp-pad {
        min-height: 80px;
        padding: 12px;
    }
    
    .isp-pad-number {
        font-size: 18px;
    }
    
    .isp-pad-edit,
    .isp-pad-delete {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
}

/* Landscape mobile */
@media (max-width: 896px) and (orientation: landscape) {
    
    .isp-pads-grid {
        grid-template-columns: repeat(8, 1fr);
    }
    
    .isp-pad {
        min-height: 70px;
    }
}

/* Better touch feedback */
@media (hover: none) {
    
    .isp-btn:active {
        transform: scale(0.96);
        opacity: 0.9;
    }
    
    .isp-pad:active {
        transform: scale(0.98);
    }
    
    /* Prevent text selection */
    .isp-pad,
    .isp-btn {
        -webkit-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
}
/* ============================================
   MOBILE UX - Chime-Inspired Design
   ============================================ */

/* Base responsive improvements */
@media (max-width: 768px) {
    
    /* ==== HEADER ==== */
    .isp-header {
        padding: 20px 16px;
        gap: 16px;
    }
    
    .isp-header-controls {
        gap: 12px;
        flex-wrap: wrap;
    }
    
    /* Botones táctiles grandes */
    .isp-btn {
        min-height: 48px;
        min-width: 48px;
        padding: 12px 20px;
        font-size: 15px;
        font-weight: 600;
        border-radius: 14px;
        transition: all 0.2s ease;
    }
    
    .isp-btn:active {
        transform: scale(0.96);
    }
    
    .isp-btn svg {
        width: 22px;
        height: 22px;
    }
    
    /* ==== PADS GRID ==== */
    .isp-pads-grid {
        gap: 14px;
        padding: 24px 16px;
    }
    
    .isp-pad {
        min-height: 85px;
        padding: 14px;
        border-radius: 18px;
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: visible;
    }
    
    /* Feedback táctil */
    .isp-pad:active {
        transform: scale(0.97);
    }
    
    /* Estado grabando */
    .isp-pad.recording {
        animation: pulse-recording 1.5s ease-in-out infinite;
    }
    
    @keyframes pulse-recording {
        0%, 100% { 
            box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.7);
        }
        50% { 
            box-shadow: 0 0 0 12px rgba(255, 71, 87, 0);
        }
    }
    
    /* Estado reproduciendo */
    .isp-pad.playing {
        animation: pulse-playing 1s ease-in-out infinite;
    }
    
    @keyframes pulse-playing {
        0%, 100% { 
            transform: scale(1);
        }
        50% { 
            transform: scale(1.02);
        }
    }
    
    /* Número del pad más grande */
    .isp-pad-number {
        font-size: 20px;
        font-weight: 700;
    }
    
    /* Icono más visible */
    .isp-pad-icon {
        font-size: 28px;
    }
    
    /* ==== CONTROLES DE PAD ==== */
    .isp-pad-controls {
        position: absolute;
        bottom: 8px;
        right: 8px;
        display: flex;
        gap: 6px;
        opacity: 0;
        transform: translateY(10px);
        transition: all 0.2s ease;
    }
    
    .isp-pad:active .isp-pad-controls,
    .isp-pad.has-sample .isp-pad-controls {
        opacity: 1;
        transform: translateY(0);
    }
    
    .isp-pad-controls button {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        font-weight: 700;
        border: none;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .isp-pad-edit {
        background: rgba(107, 77, 255, 0.9);
        color: white;
    }
    
    .isp-pad-delete {
        background: rgba(255, 71, 87, 0.9);
        color: white;
    }
    
    .isp-pad-controls button:active {
        transform: scale(0.9);
    }
    
    /* Labels claros */
    .isp-pad-controls button::after {
        content: attr(data-label);
        position: absolute;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(0, 0, 0, 0.9);
        color: white;
        padding: 4px 8px;
        border-radius: 6px;
        font-size: 11px;
        white-space: nowrap;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s;
        margin-bottom: 4px;
    }
    
    .isp-pad-controls button:active::after {
        opacity: 1;
    }
    
    /* ==== MODO GRABACIÓN ==== */
    .isp-control-panel {
        padding: 24px 16px;
        gap: 16px;
    }
    
    .isp-recording-mode {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-mode-indicator {
        font-size: 17px;
        padding: 14px;
        border-radius: 12px;
        font-weight: 600;
    }
    
    .isp-recording-status {
        font-size: 19px;
        padding: 14px;
        border-radius: 12px;
        font-weight: 700;
    }
    
    /* ==== BOTONES DE ACCIÓN ==== */
    .isp-action-buttons {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 16px;
    }
    
    .isp-action-buttons .isp-btn {
        width: 100%;
        justify-content: center;
        font-size: 16px;
        padding: 16px 24px;
    }
    
    /* ==== SESIONES ==== */
    .isp-session-controls {
        padding: 24px 16px;
    }
    
    .isp-session-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-session-actions .isp-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* ==== MODALES ==== */
    .isp-modal-content {
        width: 95%;
        max-width: 480px;
        margin: 16px auto;
        border-radius: 20px;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .isp-modal-header {
        padding: 24px;
    }
    
    .isp-modal-body {
        padding: 24px;
    }
    
    .isp-modal-close {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        font-size: 28px;
    }
    
    /* ==== EDITOR ==== */
    .isp-edit-controls {
        gap: 24px;
    }
    
    .isp-edit-group {
        gap: 12px;
    }
    
    .isp-edit-group label {
        font-size: 16px;
        font-weight: 600;
    }
    
    /* Sliders más grandes */
    .isp-slider {
        height: 10px;
        border-radius: 5px;
    }
    
    .isp-slider::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
        border-radius: 14px;
    }
    
    .isp-slider::-moz-range-thumb {
        width: 28px;
        height: 28px;
        border-radius: 14px;
    }
    
    /* Checkboxes más grandes */
    .isp-checkbox {
        width: 28px;
        height: 28px;
        border-radius: 8px;
    }
    
    /* Botones del editor */
    .isp-edit-actions {
        flex-direction: column;
        gap: 12px;
        margin-top: 24px;
    }
    
    .isp-edit-actions .isp-btn {
        width: 100%;
        font-size: 16px;
        padding: 16px;
    }
    
    /* ==== EQ MASTER ==== */
    .isp-eq-controls {
        gap: 28px;
    }
    
    .isp-eq-band {
        gap: 14px;
    }
    
    .isp-eq-band label {
        font-size: 17px;
        font-weight: 600;
    }
    
    /* ==== WAVEFORM EDITOR ==== */
    .isp-waveform-container {
        height: 180px;
        border-radius: 12px;
    }
    
    .isp-trim-handle {
        width: 44px;
        height: 100%;
        touch-action: none;
    }
}

/* Extra pequeño */
@media (max-width: 480px) {
    .isp-header {
        flex-direction: column;
        gap: 12px;
    }
    
    .isp-header-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .isp-btn span:not(.isp-btn-relax span):not(.isp-user-info) {
        display: none; /* Solo iconos */
    }
    
    .isp-pads-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
        padding: 16px 12px;
    }
    
    .isp-pad {
        min-height: 72px;
        padding: 10px;
    }
    
    .isp-pad-number {
        font-size: 18px;
    }
    
    .isp-pad-icon {
        font-size: 24px;
    }
}

/* Landscape mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .isp-pads-grid {
        grid-template-columns: repeat(8, 1fr);
        padding: 16px;
    }
    
    .isp-pad {
        min-height: 65px;
    }
}

/* Prevenir selección de texto en touch */
@media (hover: none) {
    .isp-pad,
    .isp-btn,
    .isp-pad-controls button {
        -webkit-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
}
/* ============================================
   CHIME-INSPIRED AESTHETIC
   Elegant, minimal, sophisticated
   ============================================ */

:root {
    /* Chime Color Palette */
    --chime-bg: #0a0a0a;
    --chime-surface: #1a1a1a;
    --chime-surface-light: #222222;
    --chime-accent: #ff6b6b;  /* Soft red/pink */
    --chime-accent-hover: #ff8585;
    --chime-text: #ffffff;
    --chime-text-dim: rgba(255, 255, 255, 0.6);
    --chime-text-dimmer: rgba(255, 255, 255, 0.3);
    
    /* Shadows - Subtle and professional */
    --chime-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --chime-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --chime-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --chime-glow: 0 0 20px rgba(255, 107, 107, 0.2);
}

/* Background gradient like Chime */
.isp-sampler-wrapper {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--chime-shadow-lg);
}

/* Header minimal */
.isp-header {
    background: var(--chime-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: none;
}

.isp-title {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8585 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 3px;
    text-shadow: none;
}

/* Buttons - Chime style */
.isp-btn {
    background: var(--chime-surface-light);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--chime-text);
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.isp-btn:hover {
    background: var(--chime-surface-light);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
    box-shadow: var(--chime-shadow-sm);
}

.isp-btn:active {
    transform: translateY(0);
}

.isp-btn-primary {
    background: linear-gradient(135deg, var(--chime-accent) 0%, var(--chime-accent-hover) 100%);
    border: none;
    color: white;
    font-weight: 600;
}

.isp-btn-primary:hover {
    box-shadow: var(--chime-glow);
}

/* Pads - Elegant gradients */
.isp-pad {
    background: linear-gradient(145deg, #1f1f1f 0%, #161616 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: var(--chime-shadow-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.isp-pad:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: var(--chime-shadow-md);
}

.isp-pad:active {
    transform: scale(0.98);
}

/* Pad with sample - subtle accent */
.isp-pad.has-sample {
    background: linear-gradient(145deg, #251f1f 0%, #1a1414 100%);
    border-color: rgba(255, 107, 107, 0.2);
}

/* Playing state - glowing */
.isp-pad.playing {
    background: linear-gradient(145deg, #2a1f1f 0%, #1f1414 100%);
    border-color: var(--chime-accent);
    box-shadow: var(--chime-glow), var(--chime-shadow-md);
}

/* Recording state - pulsing */
.isp-pad.recording {
    animation: pad-record-pulse 1.5s ease-in-out infinite;
    border-color: var(--chime-accent);
}

@keyframes pad-record-pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(255, 107, 107, 0);
    }
}

/* RELAX mode - different accent */
.isp-btn-relax.active {
    background: linear-gradient(135deg, #6b4dff 0%, #8566ff 100%);
    border: none;
}

/* Waveform - Chime style */
.isp-waveform {
    background: var(--chime-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Modal - Clean */
.isp-modal {
    backdrop-filter: blur(10px);
}

.isp-modal-content {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--chime-shadow-lg);
}

.isp-modal-header {
    background: var(--chime-surface);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Sliders - Elegant */
.isp-slider {
    background: rgba(255, 255, 255, 0.05);
    height: 6px;
}

.isp-slider::-webkit-slider-thumb {
    background: linear-gradient(135deg, var(--chime-accent) 0%, var(--chime-accent-hover) 100%);
    box-shadow: var(--chime-shadow-sm);
}

.isp-slider::-moz-range-thumb {
    background: linear-gradient(135deg, var(--chime-accent) 0%, var(--chime-accent-hover) 100%);
    box-shadow: var(--chime-shadow-sm);
}

/* Typography - San Francisco like */
body, .isp-sampler-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

.isp-pad-number {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Mono', 'Monaco', 'Courier New', monospace;
    font-weight: 600;
    letter-spacing: -0.5px;
}

/* Control panel - Minimal */
.isp-control-panel {
    background: var(--chime-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: none;
}

/* Mode indicator - Clean */
.isp-mode-indicator {
    background: var(--chime-surface-light);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--chime-text-dim);
}

.isp-mode-indicator.recording {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(255, 133, 133, 0.1) 100%);
    border-color: rgba(255, 107, 107, 0.3);
    color: var(--chime-accent);
}

/* Session controls - Minimal */
.isp-session-controls {
    background: var(--chime-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Notifications - Chime style */
.isp-notification {
    background: linear-gradient(135deg, #1f1f1f 0%, #161616 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--chime-shadow-md);
    color: var(--chime-text);
    backdrop-filter: blur(10px);
}

.isp-notification.success {
    border-left: 4px solid #4ade80;
}

.isp-notification.error {
    border-left: 4px solid var(--chime-accent);
}

/* Scrollbar - Minimal */
.isp-session-list::-webkit-scrollbar {
    width: 8px;
}

.isp-session-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.03);
}

.isp-session-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.isp-session-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Visualizer - Subtle */
.isp-visualizer-btn.active {
    background: linear-gradient(135deg, rgba(107, 77, 255, 0.2) 0%, rgba(133, 102, 255, 0.2) 100%);
    border-color: rgba(107, 77, 255, 0.5);
    color: #8566ff;
}
/* ============================================
   CHIME-INSPIRED AESTHETIC
   Paleta: Rosa suave + Negro profundo + Rojo accent
   ============================================ */

:root {
    /* Colores principales (inspirados en Chime) */
    --chime-bg: #1a1a1a;
    --chime-bg-light: #2a2a2a;
    --chime-accent: #ff6b6b;
    --chime-accent-hover: #ff8787;
    --chime-text: #ffffff;
    --chime-text-secondary: rgba(255, 255, 255, 0.6);
    --chime-pink: #ffb3ba;
    --chime-pink-soft: #ffd4d8;
    
    /* Gradientes suaves */
    --gradient-pad: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
    --gradient-pad-active: linear-gradient(135deg, #ff6b6b 0%, #ff8787 100%);
    --gradient-pad-playing: linear-gradient(135deg, #6b4dff 0%, #8b6dff 100%);
    --gradient-pad-recording: linear-gradient(135deg, #ff4757 0%, #ff6b7a 100%);
    
    /* Sombras elegantes */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-accent: 0 4px 16px rgba(255, 107, 107, 0.3);
}

/* ==== FONDO GENERAL ==== */
#isp-sampler-container {
    background: var(--chime-bg);
    color: var(--chime-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* ==== HEADER ==== */
.isp-header {
    background: var(--chime-bg-light);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.isp-header h1 {
    background: linear-gradient(135deg, var(--chime-accent) 0%, var(--chime-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.5px;
}

/* ==== BOTONES ==== */
.isp-btn {
    background: var(--chime-bg-light);
    color: var(--chime-text);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.isp-btn:hover {
    background: var(--chime-bg);
    border-color: var(--chime-accent);
    box-shadow: var(--shadow-md);
}

.isp-btn-primary {
    background: var(--chime-accent);
    border-color: var(--chime-accent);
    color: white;
}

.isp-btn-primary:hover {
    background: var(--chime-accent-hover);
    box-shadow: var(--shadow-accent);
}

.isp-btn-relax {
    background: var(--gradient-pad-playing);
    border: none;
    color: white;
}

.isp-btn-relax.active {
    background: var(--gradient-pad-recording);
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.4);
}

/* ==== PADS ==== */
.isp-pads-grid {
    background: transparent;
}

.isp-pad {
    background: var(--gradient-pad);
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.isp-pad:hover {
    border-color: rgba(255, 107, 107, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Pad con sample */
.isp-pad.has-sample {
    background: linear-gradient(135deg, #3a3a3a 0%, #2a2a2a 100%);
    border-color: var(--chime-accent);
}

/* Pad grabando */
.isp-pad.recording {
    background: var(--gradient-pad-recording);
    border-color: var(--chime-accent);
    box-shadow: 0 0 30px rgba(255, 71, 87, 0.5);
}

/* Pad reproduciendo */
.isp-pad.playing {
    background: var(--gradient-pad-playing);
    border-color: #8b6dff;
    box-shadow: 0 0 30px rgba(107, 77, 255, 0.4);
}

/* Pad en RELAX mode */
.isp-pad.relax-mode {
    background: linear-gradient(135deg, #3a2f4f 0%, #2a1f3f 100%);
    border-color: rgba(255, 179, 186, 0.3);
}

.isp-pad.relax-mode:hover {
    border-color: var(--chime-pink);
}

/* Números y estados */
.isp-pad-number {
    color: var(--chime-text-secondary);
    font-weight: 800;
}

.isp-pad.has-sample .isp-pad-number,
.isp-pad.playing .isp-pad-number,
.isp-pad.recording .isp-pad-number {
    color: white;
}

.isp-pad-icon {
    font-size: 32px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.isp-pad-status {
    color: var(--chime-text-secondary);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==== WAVEFORM ==== */
.isp-waveform {
    background: rgba(255, 107, 107, 0.15);
    border-radius: 8px;
}

.isp-waveform-bar {
    background: var(--chime-accent);
    border-radius: 2px;
    box-shadow: 0 0 4px rgba(255, 107, 107, 0.5);
}

/* ==== CONTROLES ==== */
.isp-control-panel {
    background: var(--chime-bg-light);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.isp-mode-indicator {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.2);
    border-radius: 12px;
    color: var(--chime-text);
}

.isp-mode-indicator.recording {
    background: var(--gradient-pad-recording);
    border-color: var(--chime-accent);
    color: white;
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.3);
}

.isp-recording-status {
    background: var(--chime-bg);
    border: 2px solid var(--chime-accent);
    border-radius: 12px;
    color: var(--chime-accent);
    font-variant-numeric: tabular-nums;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ==== SLIDERS ==== */
.isp-slider {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

.isp-slider::-webkit-slider-thumb {
    background: var(--chime-accent);
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.4);
    transition: all 0.2s ease;
}

.isp-slider::-webkit-slider-thumb:hover {
    background: var(--chime-accent-hover);
    transform: scale(1.1);
}

.isp-slider::-moz-range-thumb {
    background: var(--chime-accent);
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.4);
}

/* ==== MODALES ==== */
.isp-modal {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

.isp-modal-content {
    background: var(--chime-bg-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.isp-modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.isp-modal-header h3 {
    background: linear-gradient(135deg, var(--chime-accent) 0%, var(--chime-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.isp-modal-close {
    background: rgba(255, 255, 255, 0.1);
    color: var(--chime-text);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.isp-modal-close:hover {
    background: var(--chime-accent);
    color: white;
}

/* ==== VISUALIZADOR ==== */
#isp-visualizer-container {
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
}

#isp-fluid-canvas {
    opacity: 0.9;
}

.isp-visualizer-overlay {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
}

/* ==== SESIONES ==== */
.isp-session-item {
    background: var(--chime-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.isp-session-item:hover {
    border-color: var(--chime-accent);
    box-shadow: var(--shadow-md);
}

.isp-session-item h4 {
    color: var(--chime-text);
    font-weight: 600;
}

.isp-session-item small {
    color: var(--chime-text-secondary);
}

/* ==== NOTIFICACIONES ==== */
.isp-notification {
    background: var(--chime-bg-light);
    border: 1px solid var(--chime-accent);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    color: var(--chime-text);
    backdrop-filter: blur(10px);
}

.isp-notification.success {
    border-color: #51cf66;
    background: linear-gradient(135deg, rgba(81, 207, 102, 0.2) 0%, var(--chime-bg-light) 100%);
}

.isp-notification.error {
    border-color: var(--chime-accent);
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.2) 0%, var(--chime-bg-light) 100%);
}

/* ==== INPUTS ==== */
input[type="text"],
input[type="password"],
select,
textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--chime-text);
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 15px;
    transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--chime-accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2);
}

/* ==== CHECKBOXES ==== */
.isp-checkbox {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.2s ease;
}

.isp-checkbox:checked {
    background: var(--chime-accent);
    border-color: var(--chime-accent);
}

/* ==== SCROLLBAR ==== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--chime-accent);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--chime-accent-hover);
}

/* ==== ANIMACIONES SUAVES ==== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.isp-pad,
.isp-btn,
.isp-modal-content {
    animation: fadeIn 0.3s ease;
}

/* ==== GLASSMORPHISM ==== */
.isp-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
/* ============================================
   CHIME AESTHETIC - FORCE OVERRIDE
   Sobrescribe estilos antiguos con !important
   ============================================ */

/* ==== VARIABLES (recordatorio) ==== */
:root {
    --chime-bg: #1a1a1a !important;
    --chime-bg-light: #2a2a2a !important;
    --chime-accent: #ff6b6b !important;
    --chime-text: #ffffff !important;
}

/* ==== FONDO PRINCIPAL ==== */
#isp-sampler-container {
    background: #1a1a1a !important;
    color: #ffffff !important;
}

/* ==== HEADER ==== */
.isp-header {
    background: linear-gradient(180deg, #2a2a2a 0%, #1f1f1f 100%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
}

.isp-header h1 {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffb3ba 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    font-weight: 800 !important;
    letter-spacing: -0.5px !important;
}

/* ==== PADS ==== */
.isp-pads-grid {
    background: transparent !important;
}

.isp-pad {
    background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%) !important;
    border: 2px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 16px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.isp-pad:hover {
    border-color: rgba(255, 107, 107, 0.4) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 16px rgba(255, 107, 107, 0.2) !important;
}

.isp-pad.has-sample {
    background: linear-gradient(135deg, #3a3a3a 0%, #2a2a2a 100%) !important;
    border-color: rgba(255, 107, 107, 0.5) !important;
}

.isp-pad.recording {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b7a 100%) !important;
    border-color: #ff6b6b !important;
    box-shadow: 0 0 30px rgba(255, 71, 87, 0.5) !important;
    animation: pulse-recording 1.5s ease-in-out infinite !important;
}

.isp-pad.playing {
    background: linear-gradient(135deg, #6b4dff 0%, #8b6dff 100%) !important;
    border-color: #8b6dff !important;
    box-shadow: 0 0 30px rgba(107, 77, 255, 0.4) !important;
    animation: pulse-playing 1s ease-in-out infinite !important;
}

/* ==== BOTONES ==== */
.isp-btn {
    background: #2a2a2a !important;
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
    font-weight: 600 !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.isp-btn:hover {
    background: #3a3a3a !important;
    border-color: #ff6b6b !important;
    box-shadow: 0 4px 16px rgba(255, 107, 107, 0.3) !important;
    transform: translateY(-1px) !important;
}

.isp-btn-primary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8787 100%) !important;
    border: none !important;
    color: white !important;
}

.isp-btn-primary:hover {
    background: linear-gradient(135deg, #ff8787 0%, #ffa3a3 100%) !important;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.4) !important;
}

.isp-btn-relax {
    background: linear-gradient(135deg, #6b4dff 0%, #8b6dff 100%) !important;
    border: none !important;
}

.isp-btn-relax.active {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b7a 100%) !important;
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.5) !important;
}

/* ==== CONTROL PANEL ==== */
.isp-control-panel {
    background: #2a2a2a !important;
    border-radius: 16px !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.isp-mode-indicator {
    background: rgba(255, 107, 107, 0.15) !important;
    border: 1px solid rgba(255, 107, 107, 0.3) !important;
    border-radius: 12px !important;
    color: #ffffff !important;
}

.isp-mode-indicator.recording {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b7a 100%) !important;
    border-color: #ff6b6b !important;
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.3) !important;
}

.isp-recording-status {
    background: #1a1a1a !important;
    border: 2px solid #ff6b6b !important;
    border-radius: 12px !important;
    color: #ff6b6b !important;
}

/* ==== MODALES ==== */
.isp-modal {
    background: rgba(0, 0, 0, 0.9) !important;
    backdrop-filter: blur(10px) !important;
}

.isp-modal-content {
    background: #2a2a2a !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 20px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5) !important;
}

.isp-modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    background: linear-gradient(180deg, #2f2f2f 0%, #2a2a2a 100%) !important;
}

.isp-modal-header h3 {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffb3ba 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

.isp-modal-close {
    background: rgba(255, 255, 255, 0.1) !important;
    border-radius: 10px !important;
    transition: all 0.2s ease !important;
}

.isp-modal-close:hover {
    background: #ff6b6b !important;
}

/* ==== VISUALIZADOR ==== */
#isp-visualizer-container {
    background: linear-gradient(135deg, #0a0a0a 0%, #151515 100%) !important;
}

.isp-visualizer-overlay {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%) !important;
}

/* ==== SLIDERS ==== */
.isp-slider {
    background: rgba(255, 255, 255, 0.1) !important;
}

.isp-slider::-webkit-slider-thumb {
    background: #ff6b6b !important;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.5) !important;
}

.isp-slider::-moz-range-thumb {
    background: #ff6b6b !important;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.5) !important;
}

/* ==== INPUTS ==== */
input[type="text"],
input[type="password"],
select,
textarea {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #ffffff !important;
    border-radius: 10px !important;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: #ff6b6b !important;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2) !important;
}

/* ==== SESIONES ==== */
.isp-session-item {
    background: #2a2a2a !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 12px !important;
}

.isp-session-item:hover {
    border-color: #ff6b6b !important;
    box-shadow: 0 4px 16px rgba(255, 107, 107, 0.2) !important;
}

/* ==== WAVEFORM ==== */
.isp-waveform-bar {
    background: #ff6b6b !important;
}

/* ==== SCROLLBAR ==== */
::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05) !important;
}

::-webkit-scrollbar-thumb {
    background: #ff6b6b !important;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff8787 !important;
}

/* ==== SESSION CONTROLS ==== */
.isp-session-controls {
    background: #2a2a2a !important;
    border-radius: 16px !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

/* ==== RELAX MODE ==== */
.isp-pad.relax-mode {
    background: linear-gradient(135deg, #3a2f4f 0%, #2a1f3f 100%) !important;
    border-color: rgba(255, 179, 186, 0.3) !important;
}

.isp-pad.relax-mode:hover {
    border-color: #ffb3ba !important;
}

.isp-pad-relax-icon {
    filter: drop-shadow(0 2px 4px rgba(255, 107, 107, 0.3)) !important;
}