/* ============================================
   MP3 Cutter - Stylesheet
   Dark Mode Support with Light Mode Default
   Color Theme: Blue (#3399cc)  Prefix: mc-
   ============================================ */

/* CSS Variables - Light Mode (Default) */
:root {
    --mc-transition: 0.25s;
    --mc-primary: #3399cc;
    --mc-primary-light: #E0F2FE;
    --mc-primary-dark: #2d88b8;
    --mc-accent: #339966;
    --mc-accent-light: #E8F5E9;
    --mc-success: #339966;
    --mc-warning: #f59e0b;
    --mc-danger: #e64e4e;
    --mc-danger-light: #FEE2E2;
    --mc-bg: #F0F9FF;
    --mc-bg-elevated: #ffffff;
    --mc-bg-secondary: #F1F5F9;
    --mc-bg-tertiary: #E2E8F0;
    --mc-text: #1E293B;
    --mc-text-secondary: #475569;
    --mc-text-muted: #64748B;
    --mc-border: #BAE6FD;
    --mc-border-light: #E2E8F0;
    --mc-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --mc-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --mc-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --mc-shadow-primary: 0 4px 14px rgba(51, 153, 204, 0.25);
    --mc-shadow-primary-hover: 0 6px 20px rgba(51, 153, 204, 0.35);
    --mc-radius-sm: 6px;
    --mc-radius-md: 12px;
    --mc-radius-lg: 16px;
    --mc-radius-full: 9999px;
    --mc-waveform-bg: #F1F5F9;
    --mc-waveform-color: #3399cc;
    --mc-waveform-muted: #CBD5E1;
    --mc-waveform-selection: rgba(51, 153, 204, 0.12);
    --mc-handle-color: #F59E0B;
    --mc-handle-hover: #D97706;
    --mc-handle-glow: rgba(245, 158, 11, 0.35);
    --mc-playhead-color: #e64e4e;
    --mc-input-bg: #ffffff;
    --mc-input-border: #BAE6FD;
}

/* Dark Mode (light is default) */
[data-theme="dark"] {
    --mc-primary: #38BDF8;
    --mc-primary-light: rgba(56, 189, 248, 0.15);
    --mc-primary-dark: #0EA5E9;
    --mc-accent: #4ade80;
    --mc-accent-light: rgba(74, 222, 128, 0.15);
    --mc-success: #4ade80;
    --mc-danger: #f87171;
    --mc-danger-light: rgba(248, 113, 113, 0.15);
    --mc-bg: #0F172A;
    --mc-bg-elevated: #1E293B;
    --mc-bg-secondary: #334155;
    --mc-bg-tertiary: #475569;
    --mc-text: #F1F5F9;
    --mc-text-secondary: #CBD5E1;
    --mc-text-muted: #94A3B8;
    --mc-border: #334155;
    --mc-border-light: #475569;
    --mc-shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --mc-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --mc-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --mc-shadow-primary: 0 4px 14px rgba(56, 189, 248, 0.2);
    --mc-shadow-primary-hover: 0 6px 20px rgba(56, 189, 248, 0.3);
    --mc-waveform-bg: #1E293B;
    --mc-waveform-color: #38BDF8;
    --mc-waveform-muted: #475569;
    --mc-waveform-selection: rgba(56, 189, 248, 0.1);
    --mc-handle-color: #FBBF24;
    --mc-handle-hover: #F59E0B;
    --mc-handle-glow: rgba(251, 191, 36, 0.35);
    --mc-playhead-color: #f87171;
    --mc-input-bg: #1E293B;
    --mc-input-border: #475569;
}

/* ============================================
   LAYOUT
   ============================================ */
.mc-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px 60px;
}

.mc-header {
    text-align: center;
    margin-bottom: 32px;
}
.mc-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 16px;
}
.mc-icon-wrapper {
    width: 52px;
    height: 52px;
    background: var(--mc-primary);
    color: #fff;
    border-radius: var(--mc-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}
.mc-icon-wrapper i,
.mc-icon-wrapper svg {
    width: 28px;
    height: 28px;
}
.mc-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--mc-text);
    margin: 0;
}
.mc-description {
    max-width: 800px;
    margin: 0 auto;
    color: var(--mc-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}
.mc-description a {
    color: var(--mc-primary);
    text-decoration: none;
    font-weight: 500;
}
.mc-description a:hover {
    text-decoration: underline;
}

/* ============================================
   UPLOAD SECTION
   ============================================ */
.mc-upload-area {
    background: var(--mc-bg-elevated);
    border: 2px dashed var(--mc-border);
    border-radius: var(--mc-radius-lg);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--mc-transition);
}
.mc-upload-area:hover,
.mc-upload-area.dragover {
    border-color: var(--mc-primary);
    background: var(--mc-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--mc-shadow-primary);
}
.mc-upload-icon {
    color: var(--mc-primary);
    margin-bottom: 16px;
}
.mc-upload-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--mc-text);
    margin: 0 0 6px;
}
.mc-upload-subtitle {
    color: var(--mc-text-muted);
    margin: 0 0 20px;
    font-size: 0.95rem;
}
.mc-file-types {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 16px;
}
.mc-file-badge {
    background: var(--mc-bg-secondary);
    color: var(--mc-text-secondary);
    padding: 4px 12px;
    border-radius: var(--mc-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.mc-upload-hint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--mc-text-muted);
    font-size: 0.85rem;
}

/* ============================================
   ERROR BANNER
   ============================================ */
.mc-error-banner {
    background: var(--mc-danger-light);
    border: 1px solid var(--mc-danger);
    border-radius: var(--mc-radius-md);
    padding: 16px 20px;
    margin-bottom: 24px;
}
.mc-error-content {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--mc-danger);
    font-weight: 600;
    font-size: 0.95rem;
}
.mc-error-help {
    margin: 8px 0 0;
    font-size: 0.85rem;
    color: var(--mc-text-secondary);
}
.mc-error-help a {
    color: var(--mc-primary);
    text-decoration: underline;
}

/* ============================================
   EDITOR
   ============================================ */
.mc-editor {
    background: var(--mc-bg-elevated);
    border-radius: var(--mc-radius-lg);
    box-shadow: var(--mc-shadow-md);
    overflow: hidden;
}
.mc-file-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--mc-bg-secondary);
    border-bottom: 1px solid var(--mc-border-light);
}
.mc-file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}
.mc-file-icon {
    width: 40px;
    height: 40px;
    background: var(--mc-primary-light);
    color: var(--mc-primary);
    border-radius: var(--mc-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}
.mc-file-name {
    display: block;
    font-weight: 600;
    color: var(--mc-text);
    font-size: 0.95rem;
}
.mc-file-meta {
    display: block;
    color: var(--mc-text-muted);
    font-size: 0.8rem;
    margin-top: 2px;
}
.mc-btn-icon {
    width: 36px;
    height: 36px;
    border: 1px solid var(--mc-border-light);
    border-radius: var(--mc-radius-sm);
    background: var(--mc-bg-elevated);
    color: var(--mc-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--mc-transition);
}
.mc-btn-icon:hover {
    color: var(--mc-primary);
    border-color: var(--mc-primary);
}

/* Waveform */
.mc-waveform-container {
    position: relative;
    min-height: 160px;
    background: var(--mc-waveform-bg);
    overflow: hidden;
}
.mc-waveform-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 160px;
    color: var(--mc-text-muted);
    font-size: 0.9rem;
}
.mc-waveform-scroll {
    position: relative;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
}
.mc-waveform-scroll::-webkit-scrollbar { height: 8px; }
.mc-waveform-scroll::-webkit-scrollbar-thumb {
    background: var(--mc-handle-color);
    border-radius: 4px;
}
.mc-waveform-wrapper {
    position: relative;
    width: 100%;
}
.mc-waveform-wrapper canvas {
    display: block;
    width: 100%;
}
.mc-segments-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 24px;
    pointer-events: none;
}
.mc-seg-band {
    position: absolute;
    top: 0;
    bottom: 0;
    background: var(--mc-accent-light);
    box-shadow: inset 2px 0 0 0 var(--mc-accent),
                inset -2px 0 0 0 var(--mc-accent);
}
.mc-seg-band span {
    position: absolute;
    top: 4px;
    left: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--mc-accent);
    background: var(--mc-bg-elevated);
    padding: 1px 6px;
    border-radius: 4px;
}
.mc-selection-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 24px;
    pointer-events: none;
}
/* Selection edges drawn with inset box-shadow (no border-left/right rule) */
.mc-selection-area {
    position: absolute;
    top: 0;
    bottom: 0;
    background: var(--mc-waveform-selection);
    box-shadow: inset 2px 0 0 0 var(--mc-handle-color),
                inset -2px 0 0 0 var(--mc-handle-color);
    pointer-events: auto;
    cursor: grab;
}
.mc-selection-area:active {
    cursor: grabbing;
}
.mc-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 20px;
    cursor: ew-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
}
.mc-handle-left { left: -10px; }
.mc-handle-right { right: -10px; }
.mc-handle-bar {
    width: 6px;
    height: 36px;
    background: var(--mc-handle-color);
    border-radius: 3px;
    box-shadow: 0 0 8px var(--mc-handle-glow);
    transition: all var(--mc-transition);
}
.mc-handle:hover .mc-handle-bar {
    background: var(--mc-handle-hover);
    height: 44px;
    width: 7px;
    box-shadow: 0 0 14px var(--mc-handle-glow);
}
.mc-playhead {
    position: absolute;
    top: 0;
    bottom: 24px;
    width: 2px;
    background: var(--mc-playhead-color);
    pointer-events: none;
    display: none;
    z-index: 10;
}
.mc-time-markers {
    display: flex;
    justify-content: space-between;
    padding: 4px 8px;
    font-size: 0.7rem;
    color: var(--mc-text-muted);
    background: var(--mc-bg-secondary);
}

/* Playback Controls */
.mc-playback-controls {
    padding: 16px 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--mc-border-light);
}
.mc-time-display {
    display: flex;
    align-items: center;
    gap: 10px;
}
.mc-time-group label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--mc-text-muted);
    margin-bottom: 2px;
}
.mc-time-input {
    width: 88px;
    padding: 5px 8px;
    border: 1px solid var(--mc-input-border);
    border-radius: var(--mc-radius-sm);
    background: var(--mc-input-bg);
    color: var(--mc-text);
    font-size: 0.85rem;
    font-family: monospace;
    text-align: center;
    transition: border-color var(--mc-transition);
}
.mc-time-input:focus {
    outline: none;
    border-color: var(--mc-primary);
    box-shadow: 0 0 0 2px var(--mc-primary-light);
}
.mc-time-input.mc-input-error {
    border-color: var(--mc-danger);
    box-shadow: 0 0 0 2px var(--mc-danger-light);
}
.mc-duration-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--mc-primary-light);
    color: var(--mc-primary);
    padding: 6px 10px;
    border-radius: var(--mc-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}
.mc-player-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}
.mc-btn-ctrl {
    width: 36px;
    height: 36px;
    border: 1px solid var(--mc-border-light);
    border-radius: var(--mc-radius-sm);
    background: var(--mc-bg-elevated);
    color: var(--mc-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--mc-transition);
}
.mc-btn-ctrl:hover {
    border-color: var(--mc-primary);
    color: var(--mc-primary);
}
.mc-btn-ctrl.active {
    background: var(--mc-primary-light);
    border-color: var(--mc-primary);
    color: var(--mc-primary);
}
.mc-btn-play {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--mc-primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--mc-transition);
    box-shadow: var(--mc-shadow-primary);
}
.mc-btn-play:hover {
    background: var(--mc-primary-dark);
    box-shadow: var(--mc-shadow-primary-hover);
    transform: scale(1.05);
}
.mc-zoom-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}
.mc-zoom-slider-wrap { width: 80px; }
.mc-zoom-slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--mc-border-light);
    border-radius: 2px;
    outline: none;
}
.mc-zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--mc-primary);
    border-radius: 50%;
    cursor: pointer;
}
.mc-zoom-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--mc-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

/* Quick Actions */
.mc-quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--mc-border-light);
}
.mc-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--mc-border-light);
    border-radius: var(--mc-radius-full);
    background: var(--mc-bg-elevated);
    color: var(--mc-text-secondary);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all var(--mc-transition);
}
.mc-chip:hover {
    border-color: var(--mc-primary);
    color: var(--mc-primary);
    background: var(--mc-primary-light);
}
.mc-chip-accent {
    border-color: var(--mc-accent);
    color: var(--mc-accent);
    font-weight: 600;
}
.mc-chip-accent:hover {
    background: var(--mc-accent-light);
    border-color: var(--mc-accent);
    color: var(--mc-accent);
}

/* Ringtone Presets */
.mc-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--mc-border-light);
}
.mc-presets-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--mc-text-secondary);
}
.mc-presets-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Editing mode tabs */
.mc-mode-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--mc-border-light);
}
.mc-mode-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--mc-text-secondary);
}
.mc-mode-tabs {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    background: var(--mc-bg-secondary);
    border-radius: var(--mc-radius-full);
}
.mc-mode-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: none;
    border-radius: var(--mc-radius-full);
    background: transparent;
    color: var(--mc-text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--mc-transition);
}
.mc-mode-tab:hover { color: var(--mc-primary); }
.mc-mode-tab.active {
    background: var(--mc-primary);
    color: #fff;
    font-weight: 600;
}
.mc-mode-hint {
    font-size: 0.8rem;
    color: var(--mc-text-muted);
}

/* Multi-cut segments panel */
.mc-segments-panel {
    padding: 14px 20px;
    border-bottom: 1px solid var(--mc-border-light);
}
.mc-segments-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}
.mc-segments-title {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--mc-text-secondary);
}
.mc-segments-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.mc-seg-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 12px;
    background: var(--mc-bg-elevated);
    border: 1px solid var(--mc-border-light);
    border-radius: var(--mc-radius-sm);
    font-size: 0.85rem;
    color: var(--mc-text-secondary);
}
.mc-seg-item-info {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.mc-seg-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--mc-accent-light);
    color: var(--mc-accent);
    font-size: 0.72rem;
    font-weight: 700;
}
.mc-seg-remove {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border: 1px solid var(--mc-border-light);
    border-radius: var(--mc-radius-sm);
    background: transparent;
    color: var(--mc-danger);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all var(--mc-transition);
}
.mc-seg-remove:hover {
    background: var(--mc-danger-light);
    border-color: var(--mc-danger);
}
.mc-segments-note {
    margin: 10px 0 0;
    font-size: 0.78rem;
    color: var(--mc-text-muted);
}
.mc-segments-empty {
    padding: 10px 12px;
    font-size: 0.82rem;
    color: var(--mc-text-muted);
    text-align: center;
    border: 1px dashed var(--mc-border-light);
    border-radius: var(--mc-radius-sm);
}

/* Setting hint + normalize */
.mc-setting-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.74rem;
    color: var(--mc-text-muted);
}
.mc-normalize-setting {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
}

/* Extra (multi-file) downloads */
.mc-extra-downloads {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 14px;
    padding: 0 4px;
}
.mc-extra-dl {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px;
    background: var(--mc-bg-elevated);
    border: 1px solid var(--mc-border-light);
    border-radius: var(--mc-radius-sm);
    font-size: 0.85rem;
    color: var(--mc-text-secondary);
    text-decoration: none;
    transition: all var(--mc-transition);
}
.mc-extra-dl:hover {
    border-color: var(--mc-primary);
    color: var(--mc-primary);
    background: var(--mc-primary-light);
}
.mc-extra-dl span { display: inline-flex; align-items: center; gap: 8px; }

/* Settings */
.mc-settings {
    padding: 16px 20px;
    border-bottom: 1px solid var(--mc-border-light);
}
.mc-settings-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.mc-setting {
    flex: 1;
    min-width: 160px;
}
.mc-setting-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--mc-text-secondary);
    margin-bottom: 6px;
}
.mc-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--mc-input-border);
    border-radius: var(--mc-radius-sm);
    background: var(--mc-input-bg);
    color: var(--mc-text);
    font-size: 0.9rem;
    cursor: pointer;
}
.mc-select-sm {
    width: 80px;
    padding: 5px 8px;
    font-size: 0.82rem;
}
.mc-fade-row { margin-top: 12px; }
.mc-fade-setting {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: none;
    min-width: auto;
}
.mc-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
}
.mc-checkbox-label input[type="checkbox"] {
    width: 16px !important;
    height: 16px !important;
    accent-color: var(--mc-primary);
    cursor: pointer;
    margin-right: 0 !important;
}
.mc-checkbox-text {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--mc-text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
}

/* Volume slider */
.mc-volume-row { margin-top: 12px; }
.mc-volume-setting { flex: 1; min-width: 100%; }
.mc-volume-value {
    margin-left: auto;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--mc-primary);
}
.mc-volume-slider {
    width: 100%;
    height: 5px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--mc-border-light);
    border-radius: 3px;
    outline: none;
}
.mc-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--mc-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--mc-shadow-sm);
}
.mc-volume-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--mc-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

/* Action Bar */
.mc-action-bar {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    justify-content: flex-end;
}
.mc-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--mc-radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--mc-transition);
    border: none;
    text-decoration: none;
}
.mc-btn-primary {
    background: var(--mc-primary);
    color: #fff;
    box-shadow: var(--mc-shadow-primary);
}
.mc-btn-primary:hover {
    background: var(--mc-primary-dark);
    box-shadow: var(--mc-shadow-primary-hover);
    transform: translateY(-1px);
}
.mc-btn-secondary {
    background: var(--mc-bg-secondary);
    color: var(--mc-text-secondary);
    border: 1px solid var(--mc-border-light);
}
.mc-btn-secondary:hover {
    background: var(--mc-bg-tertiary);
    color: var(--mc-text);
}

/* ============================================
   PROCESSING OVERLAY
   ============================================ */
.mc-processing {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9000;
    backdrop-filter: blur(4px);
}
.mc-processing-content {
    background: var(--mc-bg-elevated);
    border-radius: var(--mc-radius-lg);
    padding: 40px;
    text-align: center;
    max-width: 400px;
    min-width: 340px;
    width: 90%;
    box-shadow: var(--mc-shadow-lg);
    border: 1px solid var(--mc-border);
}
.mc-processing-content h3 {
    color: var(--mc-text);
    margin: 16px 0 20px;
    font-size: 1.1rem;
}
.mc-progress-container {
    height: 8px;
    background: var(--mc-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}
.mc-progress-bar {
    height: 100%;
    background: var(--mc-primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}
.mc-progress-text {
    color: var(--mc-text-muted);
    font-size: 0.85rem;
    margin-top: 12px;
}
.mc-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--mc-border-light);
    border-top-color: var(--mc-primary);
    border-radius: 50%;
    animation: mc-spin 0.8s linear infinite;
    margin: 0 auto;
}
.mc-spinner-lg {
    width: 48px;
    height: 48px;
    border-width: 4px;
}
@keyframes mc-spin { to { transform: rotate(360deg); } }

/* ============================================
   RESULTS
   ============================================ */
.mc-results {
    background: var(--mc-bg-elevated);
    border-radius: var(--mc-radius-lg);
    box-shadow: var(--mc-shadow-md);
    padding: 40px 24px;
    text-align: center;
}
.mc-success-icon {
    color: var(--mc-success);
    margin-bottom: 12px;
}
.mc-results h2 {
    color: var(--mc-text);
    margin: 0 0 6px;
    font-size: 1.4rem;
}
.mc-results-subtitle {
    color: var(--mc-text-muted);
    font-size: 0.95rem;
    margin: 0 0 24px;
}
.mc-results-preview {
    background: var(--mc-bg-secondary);
    border-radius: var(--mc-radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.mc-preview-player {
    display: flex;
    align-items: center;
    gap: 16px;
}
.mc-btn-play-preview {
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background: var(--mc-primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--mc-transition);
    box-shadow: var(--mc-shadow-primary);
}
.mc-btn-play-preview:hover {
    background: var(--mc-primary-dark);
    transform: scale(1.05);
}
.mc-preview-info { text-align: left; }
.mc-preview-name {
    display: block;
    font-weight: 600;
    color: var(--mc-text);
    font-size: 0.95rem;
}
.mc-preview-meta {
    display: block;
    color: var(--mc-text-muted);
    font-size: 0.82rem;
    margin-top: 2px;
}
.mc-results-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.mc-stat { text-align: center; }
.mc-stat-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--mc-text-muted);
    margin-bottom: 4px;
}
.mc-stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--mc-text);
}
.mc-stat-value.mc-highlight { color: var(--mc-primary); }
.mc-stat-arrow { color: var(--mc-text-muted); }
.mc-results-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}
.mc-results-tip {
    margin: 22px auto 0;
    max-width: 560px;
    font-size: 0.85rem;
    color: var(--mc-text-muted);
    line-height: 1.6;
}
.mc-results-tip a {
    color: var(--mc-primary);
    text-decoration: none;
}
.mc-results-tip a:hover { text-decoration: underline; }

/* ============================================
   INFO SECTION - uses site .info-card via custom_styles.css
   ============================================ */
.mc-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    counter-reset: step-counter;
}
.mc-step {
    display: flex;
    gap: 14px;
    min-width: 0;
}
.mc-step-number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--mc-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    counter-increment: step-counter;
}
.mc-step-number::before { content: counter(step-counter); }
.mc-step-content h4 {
    margin: 0 0 6px;
    color: var(--mc-text);
    font-size: 1rem;
}
.mc-step-content p {
    margin: 0;
    color: var(--mc-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}
.mc-step-content a {
    color: var(--mc-primary);
    text-decoration: none;
}
.mc-step-content a:hover { text-decoration: underline; }

.mc-features,
.mc-usecases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}
.mc-feature,
.mc-usecase {
    display: flex;
    gap: 14px;
    min-width: 0;
}
.mc-feature-icon,
.mc-usecase-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--mc-primary-light);
    color: var(--mc-primary);
    border-radius: var(--mc-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}
.mc-feature-content h4,
.mc-usecase-content h4 {
    margin: 0 0 4px;
    color: var(--mc-text);
    font-size: 0.95rem;
}
.mc-feature-content p,
.mc-usecase-content p {
    margin: 0;
    color: var(--mc-text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}
.mc-feature-content a,
.mc-usecase-content a {
    color: var(--mc-primary);
    text-decoration: none;
}
.mc-feature-content a:hover,
.mc-usecase-content a:hover { text-decoration: underline; }

/* Related Tools */
.mc-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}
.mc-related-tool {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--mc-bg-elevated);
    border: 1px solid var(--mc-border-light);
    border-radius: var(--mc-radius-full);
    color: var(--mc-text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all var(--mc-transition);
}
.mc-related-tool:hover {
    border-color: var(--mc-primary);
    color: var(--mc-primary);
    background: var(--mc-primary-light);
    transform: translateY(-1px);
}
.mc-related-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: var(--mc-primary-light);
    color: var(--mc-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* FAQ */
.mc-faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mc-faq-item {
    border: 1px solid var(--mc-border-light);
    border-radius: var(--mc-radius-sm);
    overflow: hidden;
}
.mc-faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: var(--mc-bg-elevated);
    border: none;
    color: var(--mc-text);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: background var(--mc-transition);
}
.mc-faq-question:hover { background: var(--mc-bg-secondary); }
.mc-faq-question i,
.mc-faq-question svg {
    color: var(--mc-text-muted);
    transition: transform var(--mc-transition);
    flex-shrink: 0;
}
.mc-faq-item.open .mc-faq-question i,
.mc-faq-item.open .mc-faq-question svg {
    transform: rotate(180deg);
}
.mc-faq-answer {
    display: none;
    padding: 0 18px 14px;
    background: var(--mc-bg-elevated);
}
.mc-faq-item.open .mc-faq-answer { display: block; }
.mc-faq-answer p {
    margin: 0;
    color: var(--mc-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}
.mc-faq-answer a {
    color: var(--mc-primary);
    text-decoration: none;
}
.mc-faq-answer a:hover { text-decoration: underline; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .mc-container { padding: 16px 12px 40px; }
    .mc-title { font-size: 1.5rem; }
    .mc-description { font-size: 0.95rem; }
    .mc-upload-area { padding: 32px 16px; }
    .mc-playback-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .mc-time-display { justify-content: center; }
    .mc-player-controls { justify-content: center; }
    .mc-zoom-controls {
        justify-content: center;
        margin-left: 0;
    }
    .mc-action-bar { flex-direction: column; }
    .mc-results-actions { flex-direction: column; }
    .mc-results-stats { gap: 12px; }
    .mc-settings-row { flex-direction: column; }
    .mc-fade-row { flex-direction: row !important; }
    .mc-related-grid { grid-template-columns: 1fr; }
}