/**
 * TTS Controller Styles
 * GPT-4o mini TTS UI components
 */

/* ===== TTS Panel ===== */
.tts-panel {
    position: fixed;
    right: -380px;
    bottom: 80px;
    width: 340px;
    max-width: calc(100vw - 40px);
    max-height: calc(100vh - 120px);
    display: flex;
    flex-direction: column;
    background: var(--surface-color, #ffffff);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    z-index: 950;
    transition: right 0.3s ease;
    overflow: hidden;
}

.tts-panel.open {
    right: 20px;
}

.tts-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, var(--accent-color, #2563eb), #3b82f6);
    color: white;
    flex-shrink: 0;
}

.tts-panel-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tts-panel-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.tts-panel-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Header buttons container */
.tts-panel-header-buttons {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.tts-panel-minimize {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.tts-panel-minimize:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ===== Minimized Panel State ===== */
.tts-panel.minimized {
    width: auto;
    min-width: 260px;
    max-width: 340px;
}

.tts-panel.minimized .tts-panel-header {
    display: none;
}

.tts-panel-minimized {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--accent-color, #2563eb), #3b82f6);
    border-radius: 12px;
}

.tts-mini-status {
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    flex: 1;
    white-space: nowrap;
}

.tts-play-pause-mini {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.tts-play-pause-mini:hover {
    background: rgba(255, 255, 255, 0.3);
}

.tts-panel-expand {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.tts-panel-expand:hover {
    background: rgba(255, 255, 255, 0.25);
}

.tts-panel-content {
    padding: 1.25rem;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

/* ===== Enable/Disable Toggle (in panel) ===== */
.tts-enable-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    margin: -0.25rem -0.25rem 1rem -0.25rem;
    background: var(--surface-elevated, #f3f4f6);
    border-radius: 10px;
    border: 1px solid var(--border-color, #e5e7eb);
}

.tts-toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    cursor: pointer;
}

.tts-toggle-text {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

/* Dark mode for enable toggle */
[data-theme="dark"] .tts-enable-toggle,
.dark .tts-enable-toggle {
    background: var(--surface-elevated, #111827);
    border-color: var(--border-color, #374151);
}

[data-theme="dark"] .tts-toggle-text,
.dark .tts-toggle-text {
    color: var(--text-primary, #f9fafb);
}

/* ===== Enable/Disable Toggle (legacy) ===== */
.tts-enable-setting {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.tts-enable-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary, #111827);
}

/* Custom toggle switch */
.tts-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.tts-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.tts-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color, #d1d5db);
    transition: 0.3s;
    border-radius: 26px;
}

.tts-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

input:checked + .tts-slider {
    background-color: var(--accent-color, #2563eb);
}

input:checked + .tts-slider:before {
    transform: translateX(22px);
}

/* ===== Settings Group ===== */
.tts-settings-group {
    transition: opacity 0.3s ease;
}

.tts-settings-group.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* ===== Now Playing ===== */
.tts-now-playing {
    text-align: center;
    padding: 0.75rem;
    background: var(--surface-elevated, #f9fafb);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.tts-now-playing .now-playing-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary, #9ca3af);
    margin-bottom: 0.25rem;
}

.tts-now-playing .now-playing-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary, #111827);
}

.tts-now-playing .now-playing-hint {
    font-size: 0.6875rem;
    color: var(--text-tertiary, #9ca3af);
    margin-top: 0.25rem;
    line-height: 1.3;
}

/* Indeterminate progress bar */
.tts-progress-bar {
    width: 100%;
    height: 3px;
    background: var(--border-color, #e5e7eb);
    border-radius: 3px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.tts-progress-fill {
    width: 40%;
    height: 100%;
    background: var(--accent-color, #2563eb);
    border-radius: 3px;
    animation: tts-progress-slide 1.5s ease-in-out infinite;
}

@keyframes tts-progress-slide {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(150%); }
    100% { transform: translateX(150%); }
}

/* ===== Playback Controls ===== */
.tts-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.tts-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 50%;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tts-btn:hover:not(:disabled) {
    border-color: var(--accent-color, #2563eb);
    color: var(--accent-color, #2563eb);
}

.tts-btn:disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

.tts-prev,
.tts-next {
    width: 40px;
    height: 40px;
}

.tts-stop {
    width: 40px;
    height: 40px;
}

.tts-play-pause {
    width: 56px;
    height: 56px;
    background: var(--accent-color, #2563eb);
    border-color: var(--accent-color, #2563eb);
    color: white;
}

.tts-play-pause:hover {
    background: var(--accent-hover, #1d4ed8);
    border-color: var(--accent-hover, #1d4ed8);
    color: white;
    transform: scale(1.05);
}

/* ===== Mini Nav Buttons (Minimized View) ===== */
.tts-prev-mini,
.tts-next-mini {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.tts-prev-mini:hover:not(:disabled),
.tts-next-mini:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.3);
}

.tts-prev-mini:disabled,
.tts-next-mini:disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

/* ===== Settings ===== */
.tts-setting {
    margin-bottom: 1rem;
}

.tts-setting label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary, #6b7280);
    margin-bottom: 0.5rem;
}

/* Speed Buttons */
.tts-setting .speed-buttons {
    display: flex;
    gap: 0.5rem;
}

.tts-setting .speed-btn {
    flex: 1;
    padding: 0.5rem;
    background: transparent;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tts-setting .speed-btn:hover {
    border-color: var(--accent-color, #2563eb);
    color: var(--accent-color, #2563eb);
}

.tts-setting .speed-btn.active {
    background: var(--accent-color, #2563eb);
    border-color: var(--accent-color, #2563eb);
    color: white;
}

/* Volume Slider */
.tts-volume {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    appearance: none;
    background: var(--border-color, #e5e7eb);
    outline: none;
}

.tts-volume::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color, #2563eb);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.tts-volume::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.tts-volume::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color, #2563eb);
    cursor: pointer;
    border: none;
}

/* Speed Buttons */
.tts-speed-setting .speed-buttons {
    display: flex;
    gap: 0.375rem;
}

.tts-speed-setting .speed-btn {
    flex: 1;
    padding: 0.4rem 0.25rem;
    background: transparent;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.15s ease;
}

.tts-speed-setting .speed-btn:hover {
    border-color: var(--accent-color, #2563eb);
    color: var(--accent-color, #2563eb);
}

.tts-speed-setting .speed-btn.active {
    background: var(--accent-color, #2563eb);
    border-color: var(--accent-color, #2563eb);
    color: white;
}

/* ===== Voice Selection ===== */
.tts-voice-setting {
    margin-bottom: 1rem;
}

.tts-voice-selectors {
    display: flex;
    gap: 0.5rem;
}

.tts-provider-select,
.tts-voice-select {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--text-primary, #111827);
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    padding-right: 2rem;
}

.tts-provider-select:hover,
.tts-voice-select:hover {
    border-color: var(--accent-color, #2563eb);
}

.tts-provider-select:focus,
.tts-voice-select:focus {
    border-color: var(--accent-color, #2563eb);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

/* Provider dropdown - narrower when shown */
.tts-provider-select {
    flex: 0 0 100px;
    min-width: 100px;
}

/* Voice dropdown - takes remaining space */
.tts-voice-select {
    flex: 1;
    min-width: 0;
}

/* ===== Info ===== */
.tts-info {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color, #e5e7eb);
    text-align: center;
}

.tts-info small {
    font-size: 0.6875rem;
    color: var(--text-tertiary, #9ca3af);
}

/* ===== Toast ===== */
.tts-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 0.75rem 1.25rem;
    background: #1f2937;
    color: white;
    border-radius: 8px;
    font-size: 0.875rem;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1100;
    white-space: nowrap;
}

.tts-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 480px) {
    .tts-panel {
        right: -100vw;
        width: calc(100vw - 32px);
        bottom: 16px;
        max-height: calc(100vh - 32px);
    }

    .tts-panel.open {
        right: 16px;
    }

    .tts-panel-content {
        padding: 1rem;
    }

    .tts-controls {
        gap: 0.5rem;
    }

    .tts-play-pause {
        width: 48px;
        height: 48px;
    }

    .tts-stop,
    .tts-prev,
    .tts-next {
        width: 36px;
        height: 36px;
    }

    .tts-prev-mini,
    .tts-next-mini {
        width: 28px;
        height: 28px;
    }

    .tts-enable-toggle {
        padding: 0.75rem;
        margin: -0.25rem -0.25rem 0.75rem -0.25rem;
    }

    .tts-toggle-text {
        font-size: 0.875rem;
    }
}

/* ===== Dark Mode ===== */
[data-theme="dark"] .tts-panel,
.dark .tts-panel {
    background: var(--surface-color, #1f2937);
}

[data-theme="dark"] .tts-now-playing,
.dark .tts-now-playing {
    background: var(--surface-elevated, #111827);
}

[data-theme="dark"] .tts-progress-bar,
.dark .tts-progress-bar {
    background: var(--border-color, #374151);
}

[data-theme="dark"] .tts-slider,
.dark .tts-slider {
    background-color: var(--border-color, #4b5563);
}

[data-theme="dark"] .tts-provider-select,
[data-theme="dark"] .tts-voice-select,
.dark .tts-provider-select,
.dark .tts-voice-select {
    background-color: var(--surface-elevated, #111827);
    border-color: var(--border-color, #374151);
    color: var(--text-primary, #f9fafb);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

@media (prefers-color-scheme: dark) {
    .tts-panel {
        background: var(--surface-color, #1f2937);
    }

    .tts-now-playing {
        background: var(--surface-elevated, #111827);
    }

    .tts-slider {
        background-color: var(--border-color, #4b5563);
    }

    .tts-provider-select,
    .tts-voice-select {
        background-color: var(--surface-elevated, #111827);
        border-color: var(--border-color, #374151);
        color: var(--text-primary, #f9fafb);
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    }
}

/* ===== Settings Panel TTS Toggle ===== */
.tts-setting-group {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color, #e5e7eb);
}

.tts-setting-group .setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.tts-setting-group label[for="ttsEnabledSetting"] {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary, #111827);
}

.tts-setting-group .setting-icon {
    font-size: 1.125rem;
}

.tts-setting-group .setting-description {
    margin: 0.5rem 0 0;
    font-size: 0.75rem;
    color: var(--text-tertiary, #9ca3af);
    line-height: 1.4;
}

/* Toggle Switch for Settings Panel */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color, #d1d5db);
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--accent-color, #2563eb);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.3);
}