/* Text to Speech Plugin Styles - Modern Minimal Dark Theme with Cyan */

:root {
    /* Dark Background Palette */
    --tts-dark-bg: #0a0a0a;
    --tts-dark-panel: #111111;
    --tts-dark-card: #1a1a1a;
    --tts-dark-border: #252525;

    /* Cyan Theme Colors */
    --tts-cyan-primary: #00d4ff;
    --tts-cyan-hover: #00b8e6;
    --tts-cyan-active: #00a3cc;
    --tts-cyan-glow: rgba(0, 212, 255, 0.2);
    --tts-cyan-subtle: rgba(0, 212, 255, 0.1);

    /* Text Colors */
    --tts-text-primary: #f5f5f5;
    --tts-text-secondary: #b0b0b0;
    --tts-text-tertiary: #707070;

    /* Input Colors */
    --tts-input-bg: #1a1a1a;
    --tts-input-border: #2a2a2a;
    --tts-input-focus: var(--tts-cyan-primary);
}

/* Global Select/Option Override for Text Visibility */
.tts-desktop-container select,
.tts-desktop-container select option {
    color: var(--tts-text-primary) !important;
    -webkit-text-fill-color: var(--tts-text-primary) !important;
}

.tts-desktop-container select option {
    background-color: var(--tts-input-bg) !important;
    opacity: 1 !important;
}


.tts-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.tts-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.tts-button-primary {
    background: var(--tts-cyan-primary);
    color: #0a0a0a;
    font-weight: 600;
    border: none;
}

.tts-button-primary:hover:not(:disabled) {
    background: var(--tts-cyan-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--tts-cyan-glow);
}

.tts-button-secondary {
    background: var(--tts-dark-card);
    color: var(--tts-text-primary);
    border: 1px solid var(--tts-dark-border);
}

.tts-button-secondary:hover:not(:disabled) {
    background: var(--tts-dark-panel);
}

.tts-button-link {
    background: transparent;
    color: var(--tts-cyan-primary);
    padding: 8px 12px;
    font-size: 14px;
}

.tts-button-link:hover {
    background: var(--tts-cyan-subtle);
    text-decoration: none;
}

.tts-button-small {
    padding: 8px 16px;
    font-size: 14px;
    background: var(--tts-cyan-primary);
    color: #0a0a0a;
    font-weight: 600;
}

.tts-button-small:hover {
    background: var(--tts-cyan-hover);
}

.tts-icon {
    font-size: 18px;
}

.tts-select {
    width: 100%;
    padding: 12px 12px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.6;
    /* Fix for cut off descenders */
    font-family: inherit;
    background: var(--tts-input-bg) !important;
    color: var(--tts-text-primary) !important;
    -webkit-text-fill-color: var(--tts-text-primary) !important;
    cursor: pointer;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d4ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    min-height: 46px;
    /* Ensure minimum height */
    overflow: visible;
}

.tts-select:focus {
    outline: none;
    border-color: var(--tts-cyan-primary);
    background: var(--tts-input-bg) !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d4ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    color: var(--tts-text-primary) !important;
    box-shadow: 0 0 0 2px var(--tts-cyan-glow);
}

.tts-select option {
    background: var(--tts-input-bg) !important;
    background-color: var(--tts-input-bg) !important;
    color: var(--tts-text-primary) !important;
    -webkit-text-fill-color: var(--tts-text-primary) !important;
    opacity: 1 !important;
    padding: 10px 12px;
    font-size: 14px !important;
    line-height: 1.6 !important;
}

.tts-select:hover {
    border-color: var(--tts-dark-border);
}

.tts-select:active,
.tts-select:focus {
    border-color: var(--tts-cyan-primary);
}

.tts-range {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--tts-dark-border);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.tts-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--tts-cyan-primary);
    cursor: pointer;
    box-shadow: 0 0 8px var(--tts-cyan-glow);
}

.tts-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--tts-cyan-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 8px var(--tts-cyan-glow);
}

.tts-status {
    padding: 12px 16px;
    background: var(--tts-cyan-subtle);
    border-left: 3px solid var(--tts-cyan-primary);
    border-radius: 6px;
    color: var(--tts-cyan-primary);
    font-size: 14px;
    margin-top: 10px;
    display: none;
}

.tts-status.active {
    display: block;
}

.tts-error {
    padding: 10px 15px;
    background: rgba(244, 67, 54, 0.2);
    border-left: 4px solid #f44336;
    border-radius: 4px;
    color: #ff8a80;
    font-size: 14px;
    margin-top: 10px;
    display: none;
}

.tts-error.active {
    display: block;
}

/* Animation for speaking indicator */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.tts-button-primary.speaking {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Loading spinner for buttons */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.tts-loading-spinner {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid var(--tts-text-primary);
    border-radius: 50%;
    width: 1em;
    height: 1em;
    animation: spin 1s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-right: 0.5em;
}

/* Desktop Layout */
.tts-desktop-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background-color: var(--tts-dark-bg) !important;
    /* Ensure default background is dark */
    color: var(--tts-text-primary);
}

/* Version Tab Switcher */
.tts-version-tabs {
    display: flex;
    width: 100%;
    justify-content: flex-start;
    gap: 0;
    background: var(--tts-dark-bg);
    border-bottom: 1px solid var(--tts-dark-border);
    padding: 0;

}

.tts-version-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--tts-text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    position: relative;
}

.tts-version-tab:hover {
    color: var(--tts-text-primary);
    background: var(--tts-dark-panel);
}

.tts-version-tab.active {
    color: var(--tts-cyan-primary);
    background: var(--tts-dark-card);
    border-bottom-color: var(--tts-cyan-primary);
    border-bottom-width: 2px;
}

.tts-tab-icon {
    font-size: 16px;
    line-height: 1;
}

.tts-tab-text {
    font-weight: 500;
}

/* Version UI Containers */
.tts-version-ui {
    display: block;
    width: 100%;
    animation: fadeInSlide 0.4s ease-out;
}

.tts-version-ui.hidden {
    display: none !important;
}

/* Fade in and slide animation for version switching */
@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* V1 UI Styles */
.tts-v1-layout {
    display: flex;
    gap: 0;
    background: var(--tts-dark-bg);
    min-height: 700px;
    position: relative;
}

/* Main Content Area */
.tts-v1-main-content {
    flex: 1;
    padding: 24px;
    background-color: var(--tts-dark-bg);
    min-width: 0;
    overflow-y: auto;
}

.tts-v1-input-section {
    margin-bottom: 32px;
}

.tts-v1-textarea {
    width: 100%;
    min-height: 150px;
    padding: 16px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    background: var(--tts-dark-card);
    color: var(--tts-text-primary) !important;
    font-size: 14px;
    line-height: 1.6;
    font-family: inherit;
    resize: vertical;
    box-sizing: border-box;
    margin-bottom: 16px;
}

.tts-v1-textarea:focus {
    outline: none;
    border-color: var(--tts-cyan-primary);
    background: var(--tts-dark-card);
    box-shadow: 0 0 0 2px var(--tts-cyan-glow);
}

.tts-v1-textarea::placeholder {
    color: var(--tts-text-secondary);
}

.tts-v1-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
}

.tts-v1-settings-mobile-btn {
    display: none;
    padding: 12px 16px;
    background: var(--tts-dark-card);
    color: var(--tts-text-primary);
    border: 1px solid var(--tts-dark-border);
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tts-v1-settings-mobile-btn:hover {
    background: var(--tts-dark-card);
    border-color: var(--tts-cyan-primary);
}

.tts-v1-generate-btn {
    padding: 14px 28px;
    background: var(--tts-cyan-primary);
    color: #0a0a0a;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    white-space: nowrap;
}

.tts-v1-generate-btn:hover:not(:disabled) {
    background: var(--tts-cyan-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--tts-cyan-glow);
}

.tts-v1-generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Right Sidebar: Settings */
.tts-v1-sidebar {
    width: 360px;
    background: var(--tts-dark-panel);
    border-left: 1px solid var(--tts-dark-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
    flex-shrink: 0;
    height: 700px;
}

.tts-v1-sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--tts-dark-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tts-v1-sidebar-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--tts-text-primary);
}

.tts-v1-close-sidebar-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--tts-text-secondary);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.tts-v1-close-sidebar-btn:hover {
    background: var(--tts-dark-panel);
    color: var(--tts-text-primary);
}

.tts-v1-sidebar-content {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
}

.tts-v1-setting-group {
    margin-bottom: 24px;
}

.tts-v1-setting-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--tts-text-primary);
}

.tts-v1-dropdown {
    width: 100%;
    padding: 12px 12px;
    padding-right: 36px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    background: var(--tts-input-bg) !important;
    color: var(--tts-text-primary) !important;
    -webkit-text-fill-color: var(--tts-text-primary) !important;
    font-size: 14px;
    line-height: 1.6;
    /* Fix for cut off descenders */
    font-family: inherit;
    cursor: pointer;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d4ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    min-height: 46px;
    /* Ensure minimum height */
    overflow: visible;
}

.tts-v1-dropdown:focus {
    outline: none;
    border-color: var(--tts-cyan-primary);
    background: var(--tts-input-bg) !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d4ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    color: var(--tts-text-primary) !important;
    box-shadow: 0 0 0 2px var(--tts-cyan-glow);
}

.tts-v1-dropdown:hover {
    border-color: var(--tts-dark-border);
}

.tts-v1-dropdown option {
    background: var(--tts-input-bg) !important;
    background-color: var(--tts-input-bg) !important;
    color: var(--tts-text-primary) !important;
    -webkit-text-fill-color: var(--tts-text-primary) !important;
    opacity: 1 !important;
    padding: 10px 12px;
    font-size: 14px !important;
    line-height: 1.6 !important;
}

/* Settings Overlay for Mobile */
.tts-v1-settings-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.tts-v1-settings-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Variations Section */
.tts-v1-variations {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tts-v1-variation {
    background: var(--tts-dark-panel);
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    padding: 18px;
    position: relative;
}

/* Generating animation - gradient border */
.tts-v1-variation.generating {
    border: 2px solid transparent;
    background: linear-gradient(var(--tts-dark-card), var(--tts-dark-card)) padding-box,
        linear-gradient(90deg, var(--tts-cyan-primary), var(--tts-cyan-hover), var(--tts-cyan-primary)) border-box;
    animation: gradient-rotate 2s linear infinite;
}

@keyframes gradient-rotate {
    0% {
        background: linear-gradient(var(--tts-dark-card), var(--tts-dark-card)) padding-box,
            linear-gradient(90deg, var(--tts-cyan-primary), var(--tts-cyan-hover), var(--tts-cyan-primary)) border-box;
    }

    25% {
        background: linear-gradient(var(--tts-dark-card), var(--tts-dark-card)) padding-box,
            linear-gradient(180deg, var(--tts-cyan-primary), var(--tts-cyan-hover), var(--tts-cyan-primary)) border-box;
    }

    50% {
        background: linear-gradient(var(--tts-dark-card), var(--tts-dark-card)) padding-box,
            linear-gradient(270deg, var(--tts-cyan-primary), var(--tts-cyan-hover), var(--tts-cyan-primary)) border-box;
    }

    75% {
        background: linear-gradient(var(--tts-dark-card), var(--tts-dark-card)) padding-box,
            linear-gradient(360deg, var(--tts-cyan-primary), var(--tts-cyan-hover), var(--tts-cyan-primary)) border-box;
    }

    100% {
        background: linear-gradient(var(--tts-dark-card), var(--tts-dark-card)) padding-box,
            linear-gradient(450deg, var(--tts-cyan-primary), var(--tts-cyan-hover), var(--tts-cyan-primary)) border-box;
    }
}

.tts-v1-generate-btn.stop-mode {
    background: #dc3545;
    color: #ffffff;
}

.tts-v1-generate-btn.stop-mode:hover:not(:disabled) {
    background: #c82333;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

.tts-v1-variation-title {
    margin: 0 0 12px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--tts-text-primary);
}

.tts-v1-variation-placeholder {
    margin: 0 0 16px 0;
    font-size: 13px;
    color: var(--tts-text-secondary);
}

.tts-v1-variation-waveform {
    margin: 16px 0;
    height: 60px;
    display: flex;
    align-items: center;
    background: var(--tts-dark-panel);
    border-radius: 4px;
    padding: 8px;
}

.tts-v1-waveform-line {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2px;
    padding: 0 4px;
}

/* Create multiple bars using span elements added by JavaScript */
.tts-v1-waveform-bar {
    flex: 1;
    min-width: 2px;
    max-width: 4px;
    height: 20px;
    background: var(--tts-cyan-primary);
    border-radius: 2px;
    opacity: 0.5;
    transition: all 0.1s ease;
}

/* Animate bars when playing - realistic audio-like animation with varying heights */
.tts-v1-variation.playing .tts-v1-waveform-bar {
    animation-duration: 0.6s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}

/* Create varied heights for realistic audio visualization */
.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(1) {
    animation-name: bar-pulse-low;
    animation-delay: 0s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(2) {
    animation-name: bar-pulse-high;
    animation-delay: 0.05s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(3) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.1s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(4) {
    animation-name: bar-pulse-high;
    animation-delay: 0.15s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(5) {
    animation-name: bar-pulse-low;
    animation-delay: 0.2s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(6) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.25s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(7) {
    animation-name: bar-pulse-high;
    animation-delay: 0.3s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(8) {
    animation-name: bar-pulse-low;
    animation-delay: 0.35s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(9) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.4s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(10) {
    animation-name: bar-pulse-high;
    animation-delay: 0.45s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(11) {
    animation-name: bar-pulse-low;
    animation-delay: 0.5s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(12) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.55s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(13) {
    animation-name: bar-pulse-high;
    animation-delay: 0s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(14) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.05s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(15) {
    animation-name: bar-pulse-low;
    animation-delay: 0.1s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(16) {
    animation-name: bar-pulse-high;
    animation-delay: 0.15s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(17) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.2s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(18) {
    animation-name: bar-pulse-low;
    animation-delay: 0.25s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(19) {
    animation-name: bar-pulse-high;
    animation-delay: 0.3s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(20) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.35s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(21) {
    animation-name: bar-pulse-low;
    animation-delay: 0.4s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(22) {
    animation-name: bar-pulse-high;
    animation-delay: 0.45s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(23) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.5s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(24) {
    animation-name: bar-pulse-low;
    animation-delay: 0.55s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(25) {
    animation-name: bar-pulse-high;
    animation-delay: 0s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(26) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.05s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(27) {
    animation-name: bar-pulse-low;
    animation-delay: 0.1s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(28) {
    animation-name: bar-pulse-high;
    animation-delay: 0.15s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(29) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.2s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(30) {
    animation-name: bar-pulse-low;
    animation-delay: 0.25s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(31) {
    animation-name: bar-pulse-high;
    animation-delay: 0.3s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(32) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.35s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(33) {
    animation-name: bar-pulse-low;
    animation-delay: 0.4s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(34) {
    animation-name: bar-pulse-high;
    animation-delay: 0.45s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(35) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.5s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(36) {
    animation-name: bar-pulse-low;
    animation-delay: 0.55s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(37) {
    animation-name: bar-pulse-high;
    animation-delay: 0s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(38) {
    animation-name: bar-pulse-mid;
    animation-delay: 0.05s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(39) {
    animation-name: bar-pulse-low;
    animation-delay: 0.1s;
}

.tts-v1-variation.playing .tts-v1-waveform-bar:nth-child(40) {
    animation-name: bar-pulse-high;
    animation-delay: 0.15s;
}

/* Low amplitude bars */
@keyframes bar-pulse-low {

    0%,
    100% {
        height: 15px;
        opacity: 0.5;
    }

    50% {
        height: 25px;
        opacity: 0.8;
    }
}

/* Medium amplitude bars */
@keyframes bar-pulse-mid {

    0%,
    100% {
        height: 20px;
        opacity: 0.6;
    }

    50% {
        height: 35px;
        opacity: 0.9;
    }
}

/* High amplitude bars */
@keyframes bar-pulse-high {

    0%,
    100% {
        height: 25px;
        opacity: 0.7;
    }

    50% {
        height: 50px;
        opacity: 1;
    }
}

/* Fallback animation */
@keyframes bar-pulse {

    0%,
    100% {
        height: 20px;
        opacity: 0.4;
    }

    50% {
        height: 45px;
        opacity: 1;
    }
}

.tts-v1-variation-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.tts-v1-play-btn,
.tts-v1-download-btn {
    padding: 8px 16px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 5px;
    background: var(--tts-dark-card);
    color: var(--tts-text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.tts-v1-play-btn:hover:not(:disabled),
.tts-v1-download-btn:hover:not(:disabled) {
    background: var(--tts-dark-bg);
    border-color: var(--tts-cyan-primary);
    color: var(--tts-cyan-primary);
}

.tts-v1-play-btn:disabled,
.tts-v1-download-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.tts-v1-time-display {
    font-size: 12px;
    color: var(--tts-text-secondary);
    font-family: monospace;
    margin-left: auto;
}

/* Mobile Responsive Styles for V1 */
@media (max-width: 768px) {
    .tts-v1-layout {
        flex-direction: column;
    }

    .tts-v1-main-content {
        padding: 16px;
    }

    .tts-v1-settings-mobile-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        order: 1;
        padding: 16px 20px;
    }

    .tts-v1-generate-btn {
        order: 2;
        flex: 1;
    }

    .tts-v1-sidebar {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        z-index: 1000;
        transition: right 0.3s ease;
        border-left: 1px solid var(--tts-dark-border);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
    }

    .tts-v1-sidebar.open {
        right: 0;
    }

    .tts-v1-close-sidebar-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .tts-v1-settings-overlay {
        display: block;
    }

    .tts-v1-variations {
        grid-template-columns: 1fr;
    }

    .tts-v1-actions {
        flex-direction: row;
        justify-content: space-between;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .tts-v1-main-content {
        padding: 12px;
    }

    .tts-v1-sidebar {
        width: 100%;
        max-width: 100%;
    }

    .tts-v1-variation {
        padding: 16px;
    }
}


/* Script Builder Layout */
.tts-script-builder {
    display: flex;
    gap: 0;
    background: var(--tts-dark-bg);
    border: 1px solid var(--tts-dark-border);
    min-height: 700px;
    border-radius: 0;
}

/* Left Panel: Script Builder */
.tts-script-panel {
    flex: 1;
    border-right: 1px solid var(--tts-dark-border);
    display: flex;
    flex-direction: column;
    background: var(--tts-dark-panel);
    overflow: hidden;
    min-width: 0;
    box-sizing: border-box;
}

.tts-panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--tts-dark-border);
    background: var(--tts-dark-panel);
    flex-shrink: 0;
}

.tts-panel-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--tts-text-primary);
    text-transform: capitalize;
}

.tts-script-content {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    box-sizing: border-box;
}

.tts-style-instructions {
    margin-bottom: 24px;
    flex-shrink: 0;
}

.tts-style-instructions label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--tts-text-primary);
}

.tts-style-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    background: var(--tts-dark-card) !important;
    color: var(--tts-text-primary) !important;
    box-sizing: border-box;
}

.tts-style-input:focus {
    outline: none;
    border-color: var(--tts-cyan-primary);
    background: var(--tts-dark-card) !important;
    color: var(--tts-text-primary) !important;
    box-shadow: 0 0 0 2px var(--tts-cyan-glow);
}

.tts-style-input::placeholder {
    color: var(--tts-text-secondary);
}

.tts-raw-structure {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: 24px;
    min-height: 0;
}

.tts-raw-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    flex-shrink: 0;
}

.tts-raw-icon {
    font-size: 18px;
}

.tts-raw-icon::before {
    content: '</>';
    font-family: monospace;
    color: var(--tts-cyan-primary);
}

.tts-raw-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--tts-text-primary);
}

.tts-raw-description {
    margin: 0 0 12px 0;
    font-size: 13px;
    color: var(--tts-text-secondary);
    flex-shrink: 0;
}

.tts-raw-textarea {
    flex: 1;
    width: 100%;
    padding: 16px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.6;
    font-family: 'Courier New', Courier, monospace;
    background: var(--tts-dark-card) !important;
    color: var(--tts-text-primary) !important;
    resize: none;
    box-sizing: border-box;
    min-height: 300px;
    overflow-y: auto;
    overflow-x: hidden;
}

.tts-raw-textarea:focus {
    outline: none;
    border-color: var(--tts-cyan-primary);
    background: var(--tts-dark-card) !important;
    color: var(--tts-text-primary) !important;
    box-shadow: 0 0 0 2px var(--tts-cyan-glow);
}

.tts-raw-textarea::placeholder {
    color: var(--tts-text-secondary);
}

/* Custom scrollbar for raw textarea */
.tts-raw-textarea::-webkit-scrollbar {
    width: 8px;
}

.tts-raw-textarea::-webkit-scrollbar-track {
    background: var(--tts-dark-panel);
    border-radius: 4px;
}

.tts-raw-textarea::-webkit-scrollbar-thumb {
    background: var(--tts-dark-border);
    border-radius: 4px;
}

.tts-raw-textarea::-webkit-scrollbar-thumb:hover {
    background: var(--tts-cyan-primary);
}

.tts-run-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--tts-dark-border);
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
}

/* Player View */
.tts-player-view {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.tts-player-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.tts-player-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--tts-dark-border);
    border-radius: 50%;
    background: var(--tts-dark-card);
    color: var(--tts-text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.tts-player-btn:hover:not(:disabled) {
    background: var(--tts-dark-card);
    border-color: var(--tts-cyan-primary);
    color: var(--tts-cyan-primary);
}

.tts-player-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.tts-player-btn.active {
    background: var(--tts-cyan-primary);
    border-color: var(--tts-cyan-primary);
    color: #0a0a0a;
}

.tts-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    background: var(--tts-dark-card);
    color: var(--tts-text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    margin-left: 8px;
}

.tts-download-btn:hover {
    background: var(--tts-dark-card);
    border-color: var(--tts-cyan-primary);
    color: var(--tts-cyan-primary);
}

.tts-player-icon {
    font-size: 16px;
    line-height: 1;
}

.tts-player-progress {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.tts-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--tts-dark-border);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.tts-progress-fill {
    height: 100%;
    background: var(--tts-cyan-primary);
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px var(--tts-cyan-glow);
}

.tts-time-display {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--tts-text-secondary);
    font-family: monospace;
}

.tts-time-separator {
    opacity: 0.5;
}

.tts-run-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    flex-shrink: 0;
}

.tts-shortcut {
    font-size: 12px;
    opacity: 0.7;
    font-weight: normal;
}

/* Right Panel: Settings */
.tts-settings-panel-v2 {
    width: 360px;
    background: var(--tts-dark-panel);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
    flex-shrink: 0;
    height: 700px;
}

/* Custom scrollbar for settings panel */
.tts-settings-panel-v2::-webkit-scrollbar {
    width: 8px;
}

.tts-settings-panel-v2::-webkit-scrollbar-track {
    background: var(--tts-dark-panel);
}

.tts-settings-panel-v2::-webkit-scrollbar-thumb {
    background: var(--tts-dark-border);
    border-radius: 4px;
}

.tts-settings-panel-v2::-webkit-scrollbar-thumb:hover {
    background: var(--tts-cyan-primary);
}

.tts-model-header {
    margin-bottom: 8px;
}

.tts-model-badge {
    display: inline-block;
    padding: 4px 8px;
    background: var(--tts-dark-panel);
    border-radius: 4px;
    font-size: 12px;
    color: var(--tts-text-secondary);
    margin-top: 8px;
    border: 1px solid var(--tts-dark-border);
}

.tts-model-description {
    margin: 12px 0 0 0;
    font-size: 13px;
    color: var(--tts-text-secondary);
    line-height: 1.5;
}

.tts-settings-content {
    flex: 1;
    padding: 24px;
    box-sizing: border-box;
    min-width: 0;
    width: 100%;
}

.tts-mode-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--tts-dark-border);
}

.tts-language-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--tts-dark-border);
}

.tts-section-label {
    display: block;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--tts-text-primary);
}

.tts-mode-buttons {
    display: flex;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
}

.tts-mode-btn {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    background: var(--tts-dark-panel);
    color: var(--tts-text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    box-sizing: border-box;
    min-width: 0;
    white-space: nowrap;
}

.tts-mode-btn:hover {
    background: var(--tts-dark-bg);
    border-color: var(--tts-cyan-primary);
}

.tts-mode-btn.active {
    background: var(--tts-cyan-primary);
    color: #0a0a0a;
    border-color: var(--tts-cyan-primary);
    font-weight: 600;
}

.tts-voice-settings-section {
    margin-bottom: 24px;
}

.tts-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.tts-toggle-section {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--tts-text-secondary);
    font-size: 12px;
}

.tts-toggle-section:hover {
    color: var(--tts-cyan-primary);
}

.tts-toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
}

.tts-voice-settings-content {
    padding-top: 12px;
}

.tts-speaker-voices {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tts-speaker-voice-item {
    padding: 14px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    background: var(--tts-dark-card);
    width: 100%;
    box-sizing: border-box;
}

.tts-speaker-voice-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    width: 100%;
    box-sizing: border-box;
    flex-wrap: wrap;
}

.tts-speaker-voice-name {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 4px;
    font-size: 13px;
    font-family: inherit;
    background: var(--tts-input-bg) !important;
    color: var(--tts-text-primary) !important;
    box-sizing: border-box;
    min-width: 0;
    width: 100%;
}

.tts-speaker-voice-name:focus {
    outline: none;
    border-color: var(--tts-cyan-primary);
    background: var(--tts-input-bg) !important;
    color: var(--tts-text-primary) !important;
    box-shadow: 0 0 0 2px var(--tts-cyan-glow);
}

.tts-speaker-voice-select {
    width: 100%;
    padding: 8px 12px;
    padding-right: 36px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    background: var(--tts-input-bg) !important;
    color: var(--tts-text-primary) !important;
    cursor: pointer;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d4ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
}

.tts-speaker-voice-select:focus {
    outline: none;
    border-color: var(--tts-cyan-primary);
    background: var(--tts-input-bg) !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d4ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    color: var(--tts-text-primary) !important;
    box-shadow: 0 0 0 2px var(--tts-cyan-glow);
}

.tts-speaker-voice-select:hover {
    border-color: var(--tts-dark-border);
}

.tts-speaker-voice-select option {
    background: var(--tts-input-bg) !important;
    background-color: var(--tts-input-bg) !important;
    color: var(--tts-text-primary) !important;
    -webkit-text-fill-color: var(--tts-text-primary) !important;
    opacity: 1 !important;
    padding: 8px;
    font-size: 14px !important;
}

/* Style for the new voice select button */
.tts-voice-select-button {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 4px;
    font-size: 13px;
    font-family: inherit;
    background: var(--tts-input-bg);
    color: var(--tts-text-primary);
    cursor: pointer;
    box-sizing: border-box;
    text-align: left;
    /* Align text to the left */
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tts-voice-select-button:hover {
    border-color: var(--tts-cyan-primary);
}

.tts-voice-select-button:focus {
    outline: none;
    border-color: var(--tts-cyan-primary);
    box-shadow: 0 0 0 2px var(--tts-cyan-glow);
}

/* Add an arrow icon to the button */
.tts-voice-select-button::after {
    content: '▼';
    /* Unicode for a downward-pointing triangle */
    font-size: 10px;
    color: var(--tts-text-secondary);
    margin-left: 8px;
}

/* Mobile Text Section */
.tts-text-section-mobile {
    display: none;
}

/* Settings Header for Mobile */
.tts-settings-header-mobile {
    display: none;
    padding: 16px 20px;
    border-bottom: 1px solid var(--tts-dark-border);
    background: var(--tts-dark-card);
    flex-shrink: 0;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    box-sizing: border-box;
}

.tts-settings-title-mobile {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--tts-text-primary);
}

.tts-close-settings-btn {
    background: transparent;
    border: none;
    color: var(--tts-text-secondary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
    flex-shrink: 0;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tts-close-settings-btn:hover {
    background: var(--tts-dark-panel);
    color: var(--tts-text-primary);
}

/* Responsive Design for Desktop Layout */
/* Tablet View */
@media (max-width: 1024px) and (min-width: 801px) {
    .tts-script-panel {
        min-width: 0;
        flex: 1 1 50%;
    }

    .tts-settings-panel-v2 {
        width: 350px;
        flex-shrink: 0;
        max-width: 350px;
    }

    .tts-settings-content {
        padding: 20px;
    }

    .tts-script-content {
        padding: 20px;
    }

    .tts-panel-header {
        padding: 18px 20px;
    }

    .tts-mode-btn {
        padding: 10px 12px;
        font-size: 13px;
    }

    .tts-section-label {
        font-size: 13px;
    }

    .tts-speaker-voice-item {
        padding: 14px;
    }
}

@media (max-width: 800px) {
    .tts-script-builder {
        flex-direction: column;
    }

    .tts-settings-panel-v2 {
        width: 100%;
        border-top: 1px solid var(--tts-dark-border);
        border-left: none;
    }

    .tts-script-panel {
        border-right: none;
        border-bottom: 1px solid var(--tts-dark-border);
    }
}

/* Mobile View */
@media (max-width: 800px) {
    .tts-desktop-container {
        margin: 0;
        padding: 0;
        max-width: 100%;
    }

    .tts-script-builder {
        flex-direction: column;
        min-height: 100vh;
        border: none;
    }

    .tts-script-panel {
        border-right: none;
        border-bottom: none;
        flex: 1;
        display: flex;
        flex-direction: column;
        min-width: 0;
        width: 100%;
        max-width: 100%;
    }

    .tts-panel-header {
        padding: 16px 20px;
        border-bottom: 1px solid var(--tts-dark-border);
        flex-shrink: 0;
    }

    .tts-panel-title {
        font-size: 16px;
        word-wrap: break-word;
    }

    .tts-script-content {
        flex: 1;
        padding: 16px 20px;
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        overflow-x: hidden;
        min-height: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .tts-style-instructions {
        margin-bottom: 20px;
    }

    .tts-style-instructions label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .tts-style-input {
        padding: 12px;
        font-size: 14px;
        width: 100%;
        box-sizing: border-box;
    }

    /* Hide raw structure on mobile, show simple text section */
    .tts-raw-structure {
        display: none;
    }

    .tts-text-section-mobile {
        display: flex;
        flex-direction: column;
        flex: 1;
        margin-bottom: 20px;
        min-height: 0;
    }

    .tts-text-label-mobile {
        font-size: 13px;
        font-weight: 500;
        color: var(--tts-text-primary);
        margin-bottom: 8px;
    }

    .tts-text-textarea-mobile {
        flex: 1;
        width: 100%;
        padding: 12px;
        border: 1px solid var(--tts-dark-border);
        border-radius: 8px;
        font-size: 14px;
        line-height: 1.6;
        font-family: inherit;
        background: var(--tts-input-bg);
        color: var(--tts-text-primary);
        resize: none;
        box-sizing: border-box;
        height: auto !important;
        overflow-y: auto;
    }

    .tts-text-textarea-mobile:focus {
        outline: none;
        border-color: var(--tts-cyan-primary);
        background: var(--tts-input-bg) !important;
        color: var(--tts-text-primary) !important;
        box-shadow: 0 0 0 2px var(--tts-cyan-glow);
    }

    .tts-text-textarea-mobile::placeholder {
        color: var(--tts-text-secondary);
    }

    .tts-run-container {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--tts-dark-border);
        padding-bottom: 20px;
        flex-shrink: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .tts-player-view {
        flex: 1;
        min-width: 0;
        order: 1;
        max-width: calc(100% - 140px);
    }

    .tts-run-buttons-group {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
        order: 2;
    }

    .tts-run-btn {
        padding: 12px 20px;
        font-size: 15px;
        white-space: nowrap;
        min-width: auto;
    }

    .tts-shortcut {
        display: none;
    }

    .tts-player-controls {
        margin-bottom: 8px;
    }

    .tts-player-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    /* Settings Panel for Mobile */
    .tts-settings-panel-v2 {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 400px;
        height: 100vh;
        z-index: 1000;
        transition: right 0.3s ease;
        border-left: 1px solid var(--tts-dark-border);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
        overflow-y: auto;
        overflow-x: hidden;
    }

    .tts-settings-panel-v2.tts-settings-open {
        right: 0;
    }

    .tts-settings-header-mobile {
        display: flex;
        flex-shrink: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .tts-settings-title-mobile {
        word-wrap: break-word;
        flex: 1;
        min-width: 0;
    }

    .tts-settings-content {
        padding: 20px;
        overflow-y: auto;
        overflow-x: hidden;
        flex: 1;
        width: 100%;
        box-sizing: border-box;
        min-height: 0;
    }

    .tts-mode-section {
        margin-bottom: 20px;
        padding-bottom: 20px;
    }

    .tts-voice-settings-section {
        margin-bottom: 20px;
    }

    .tts-mode-buttons {
        flex-direction: row;
        gap: 8px;
        width: 100%;
    }

    .tts-mode-btn {
        flex: 1;
        padding: 10px 12px;
        font-size: 13px;
        min-width: 0;
    }

    .tts-section-label {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .tts-speaker-voices {
        gap: 16px;
    }

    .tts-speaker-voice-item {
        padding: 14px;
    }

    .tts-speaker-voice-name {
        font-size: 12px;
        padding: 6px 8px;
    }

    .tts-speaker-voice-select {
        font-size: 12px;
        padding: 8px 10px;
    }
}

/* Run Buttons Group */
.tts-run-buttons-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* Settings Button - Hidden on Desktop */
.tts-open-settings-mobile {
    display: none;
}

/* Settings Button - Show only on Mobile */
@media (max-width: 768px) {
    .tts-open-settings-mobile {
        display: inline-flex !important;
        padding: 10px;
        min-width: 40px;
        justify-content: center;
    }

    .tts-open-settings-mobile span:not(:first-child) {
        display: none;
    }
}

/* Settings Overlay for Mobile */
.tts-settings-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.tts-settings-overlay.tts-overlay-active {
    opacity: 1;
    pointer-events: all;
}

@media (max-width: 768px) {
    .tts-settings-overlay {
        display: block;
    }
}

/* Very Small Mobile Devices */
@media (max-width: 480px) {
    .tts-script-panel {
        min-height: auto;
    }

    .tts-script-content {
        padding: 12px 16px;
    }

    .tts-panel-header {
        padding: 12px 16px;
    }

    .tts-panel-title {
        font-size: 15px;
    }

    .tts-style-instructions {
        margin-bottom: 16px;
    }

    .tts-style-input {
        padding: 10px;
        font-size: 13px;
    }

    .tts-text-textarea-mobile {
        padding: 10px;
        font-size: 13px;
        min-height: 150px;
    }

    .tts-run-container {
        flex-direction: column;
        gap: 12px;
        padding: 12px 0;
    }

    .tts-player-view {
        width: 100%;
        max-width: 100%;
        order: 1;
    }

    .tts-run-buttons-group {
        width: 100%;
        justify-content: flex-end;
        order: 2;
    }

    .tts-run-btn {
        flex: 1;
        max-width: 120px;
    }

    .tts-settings-panel-v2 {
        width: 100%;
        max-width: 100%;
    }

    .tts-settings-header-mobile {
        padding: 12px 16px;
    }

    .tts-settings-title-mobile {
        font-size: 15px;
    }

    .tts-settings-content {
        padding: 16px;
    }

    .tts-mode-section {
        margin-bottom: 18px;
        padding-bottom: 18px;
    }

    .tts-voice-settings-section {
        margin-bottom: 18px;
    }

    .tts-mode-buttons {
        flex-direction: column;
        gap: 8px;
    }

    .tts-mode-btn {
        width: 100%;
        padding: 12px 16px;
        font-size: 13px;
    }

    .tts-section-label {
        font-size: 12px;
        margin-bottom: 8px;
    }

    .tts-speaker-voices {
        gap: 12px;
    }

    .tts-speaker-voice-item {
        padding: 12px;
    }

    .tts-speaker-voice-header {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .tts-speaker-voice-name {
        width: 100%;
        margin-bottom: 8px;
    }

    .tts-open-settings-mobile {
        bottom: 70px;
        right: 16px;
    }
}

/* V1 UI Responsive Styles */
@media (max-width: 800px) {
    .tts-version-tabs {
        border-bottom: 1px solid #e0e0e0;
    }

    .tts-version-tab {
        padding: 10px 16px;
        font-size: 13px;
    }

    .tts-v1-container {
        padding: 16px;
    }

    .tts-v1-controls {
        flex-direction: row;
        /* Keep as row on mobile */
        gap: 12px;
        justify-content: center;
        /* Center dropdowns on mobile */
    }

    .tts-v1-dropdown {
        width: 100%;
        /* Ensure full width on mobile */
        max-width: 100%;
    }

    .tts-v1-input-area {
        /* Remove flex-direction: column to keep textarea full width */
        gap: 12px;
        flex-direction: column;
    }

    .tts-v1-textarea {
        width: 100%;
        /* Ensure full width on mobile */
    }

    .tts-v1-actions {
        justify-content: stretch;
        /* Make button full width on mobile */
        margin-bottom: 24px;
    }

    .tts-v1-generate-btn {
        width: 100%;
        padding: 14px 24px;
    }

    .tts-v1-variations {
        grid-template-columns: 1fr;
        /* 1x1 on mobile */
        gap: 16px;
    }

    .tts-v1-variation {
        padding: 16px;
    }

    .tts-v1-variation-controls {
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .tts-v1-time-display {
        margin-left: 0;
        width: 100%;
        text-align: right;
        order: -1;
    }
}

@media (max-width: 480px) {
    .tts-version-tab {
        padding: 8px 12px;
        font-size: 12px;
    }

    .tts-tab-icon {
        font-size: 14px;
    }

    .tts-v1-container {
        padding: 12px;
    }

    .tts-v1-textarea {
        min-height: 120px;
        padding: 12px;
    }

    .tts-v1-generate-btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    .tts-v1-variation {
        padding: 12px;
    }

    .tts-v1-variation-title {
        font-size: 14px;
    }

    .tts-v1-play-btn,
    .tts-v1-download-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* Extra Small Devices */
@media (max-width: 360px) {
    .tts-script-content {
        padding: 10px 12px;
    }

    .tts-panel-header {
        padding: 10px 12px;
    }

    .tts-panel-title {
        font-size: 14px;
    }

    .tts-style-input {
        padding: 8px;
        font-size: 12px;
    }

    .tts-text-textarea-mobile {
        padding: 8px;
        font-size: 12px;
    }

    .tts-run-btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    .tts-settings-header-mobile {
        padding: 10px 12px;
    }

    .tts-settings-title-mobile {
        font-size: 14px;
    }

    .tts-settings-content {
        padding: 12px;
    }

    .tts-mode-section {
        margin-bottom: 16px;
        padding-bottom: 16px;
    }

    .tts-voice-settings-section {
        margin-bottom: 16px;
    }

    .tts-mode-btn {
        padding: 10px 12px;
        font-size: 12px;
    }

    .tts-section-label {
        font-size: 11px;
    }

    .tts-speaker-voice-item {
        padding: 10px;
    }

    .tts-speaker-voice-name {
        font-size: 11px;
        padding: 5px 6px;
    }

    .tts-speaker-voice-select {
        font-size: 11px;
        padding: 6px 8px;
    }
}

/* Voice Selection Dialog */
.tts-voice-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.tts-voice-dialog-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.tts-voice-dialog {
    background: var(--tts-dark-card);
    border: 1px solid var(--tts-dark-border);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.tts-voice-dialog-overlay.active .tts-voice-dialog {
    transform: scale(1);
}

.tts-voice-dialog-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--tts-dark-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.tts-voice-dialog-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--tts-text-primary);
}

.tts-voice-dialog-close {
    background: transparent;
    border: none;
    color: var(--tts-text-secondary);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.tts-voice-dialog-close:hover {
    background: var(--tts-dark-panel);
    color: var(--tts-text-primary);
}

.tts-voice-dialog-content {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.tts-voice-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tts-voice-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--tts-dark-card);
    border: 1px solid var(--tts-dark-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tts-voice-item:hover {
    background: var(--tts-dark-bg);
    border-color: var(--tts-cyan-primary);
}

.tts-voice-item-info {
    flex: 1;
    min-width: 0;
}

.tts-voice-item-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--tts-text-primary);
    margin-bottom: 4px;
}

.tts-voice-item-lang {
    font-size: 12px;
    color: var(--tts-text-secondary);
}

.tts-voice-item-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.tts-voice-test-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--tts-dark-border);
    border-radius: 50%;
    background: #000000 !important;
    color: #ffffff !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 0;
}

.tts-voice-test-btn:hover {
    background: #ffffff !important;
    border-color: #ffffff;
    color: #000000 !important;
}

.tts-voice-test-icon {
    font-size: 18px;
    line-height: 1;
}

/* Responsive Voice Dialog */
@media (max-width: 768px) {
    .tts-voice-dialog {
        width: 95%;
        max-height: 90vh;
    }

    .tts-voice-dialog-header {
        padding: 16px 20px;
    }

    .tts-voice-dialog-header h3 {
        font-size: 16px;
    }

    .tts-voice-dialog-content {
        padding: 16px;
    }

    .tts-voice-item {
        padding: 10px 12px;
    }
}

/* Stop Button State */
.tts-stop-btn {
    background-color: #f44336 !important;
    color: #ffffff !important;
    border-color: #d32f2f !important;
}

.tts-stop-btn:hover {
    background-color: #d32f2f !important;
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3) !important;
}

.tts-stop-btn .tts-loading-spinner {
    border-top-color: #ffffff;
}