*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222636;
    --bg-hover: #2a2f42;
    --text-primary: #e4e6f0;
    --text-secondary: #8b8fa3;
    --accent: #6c5ce7;
    --accent-hover: #7d6ff0;
    --accent-glow: rgba(108, 92, 231, 0.3);
    --success: #00b894;
    --border: #2d3148;
    --radius: 12px;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

.header {
    text-align: center;
    padding: 32px 0 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 8px;
}

.main {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    align-items: start;
}

.main.panel-hidden {
    display: none !important;
}

@media (max-width: 860px) {
    .main {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.panel h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.voice-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.search-input, .lang-filter {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 10px 12px;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus, .lang-filter:focus {
    border-color: var(--accent);
}

.search-input {
    flex: 1;
}

.lang-dropdown {
    position: relative;
    width: 100%;
}

.lang-dropdown-btn {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 10px 32px 10px 12px;
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
}

.lang-dropdown-btn:focus {
    border-color: var(--accent);
}

.lang-dropdown-btn::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-top: 6px solid var(--text-secondary);
}

.lang-dropdown.open .lang-dropdown-btn::after {
    border-top-color: transparent;
    border-bottom: 6px solid var(--text-secondary);
    top: calc(50% - 6px);
}

.lang-dropdown-list {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    max-height: 280px;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    z-index: 100;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.lang-dropdown.open .lang-dropdown-list {
    display: block;
}

.lang-dropdown-search {
    width: 100%;
    background: var(--bg-secondary);
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 12px;
    font-size: 0.85rem;
    outline: none;
    position: sticky;
    top: 0;
    z-index: 1;
}

.lang-dropdown-group {
    padding: 4px 0;
}

.lang-dropdown-group-label {
    padding: 6px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
}

.lang-dropdown-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background 0.1s;
}

.lang-dropdown-item:hover {
    background: var(--bg-hover);
}

.lang-dropdown-item.active {
    background: var(--accent-glow);
    color: var(--accent);
    font-weight: 500;
}

.lang-dropdown-list::-webkit-scrollbar {
    width: 6px;
}

.lang-dropdown-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.voice-list {
    max-height: 340px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.voice-list::-webkit-scrollbar {
    width: 6px;
}

.voice-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.locale-header {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 10px 12px 4px;
    display: flex;
    align-items: center;
    gap: 6px;
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 1;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2px;
}

.locale-header .locale-count {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.voice-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
    border: 1px solid transparent;
}

.voice-item:hover {
    background: var(--bg-hover);
}

.voice-item.active {
    background: var(--accent-glow);
    border-color: var(--accent);
}

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

.voice-name {
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.voice-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.preview-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.15s;
    flex-shrink: 0;
}

.preview-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.selected-voice {
    margin-top: 12px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.selected-voice.has-voice {
    color: var(--accent);
    font-weight: 500;
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
}

textarea {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    padding: 16px;
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
}

textarea:focus {
    border-color: var(--accent);
}

.params {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}

@media (max-width: 600px) {
    .params {
        grid-template-columns: 1fr;
    }
}

.param-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.param-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.param-group span {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-glow);
}

.format-select {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 8px 12px;
    font-size: 0.9rem;
    outline: none;
}

.format-select:focus {
    border-color: var(--accent);
}

.btn-generate {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    margin-top: 20px;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s;
}

.btn-generate:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

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

.btn-generate:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.result {
    margin-top: 24px;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.result h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--success);
}

audio {
    width: 100%;
    margin-bottom: 12px;
    border-radius: 8px;
}

.btn-download {
    display: inline-block;
    padding: 10px 20px;
    background: var(--success);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: opacity 0.2s;
}

.btn-download:hover {
    opacity: 0.85;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 2px solid var(--accent);
    padding: 16px 24px;
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

.cookie-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    min-width: 200px;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: 8px;
}

.cookie-accept, .cookie-reject {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: opacity 0.2s;
}

.cookie-accept {
    background: var(--accent);
    color: white;
}

.cookie-accept:hover {
    opacity: 0.9;
}

.cookie-reject {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.cookie-reject:hover {
    border-color: var(--text-secondary);
}

/* ==================== AD PLACEMENTS ==================== */

.ad-slot {
    margin: 16px auto;
    text-align: center;
}

.ad-top {
    margin-top: 8px;
    margin-bottom: 16px;
}

.ad-bottom {
    margin-top: 24px;
    margin-bottom: 8px;
}

/* Adsterra iframe containers */
.ad-slot iframe {
    max-width: 100%;
    border: none;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .ad-slot {
        min-height: 60px;
    }
}

/* ==================== FLAG ICONS - visible on desktop, hidden on mobile ==================== */

.flag-icon {
    display: inline;
}

@media (max-width: 860px) {
    .flag-icon {
        display: none;
    }
}

/* ==================== MODE SWITCH ==================== */

.switch-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 12px;
}

.switch-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--accent);
}

.switch-icon {
    font-size: 1.1rem;
}

/* ==================== IMAGE PANEL ==================== */

.image-panel {
    grid-template-columns: 1fr;
    max-width: 800px;
    margin: 0 auto;
}

.image-form-panel {
    max-width: 800px;
    margin: 0 auto;
}

.image-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.image-panel .params {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
    margin-bottom: 0;
}

.btn-image {
    margin-top: 20px;
    background: linear-gradient(135deg, #e040fb, #7c4dff);
}

.btn-image:hover {
    box-shadow: 0 4px 20px rgba(224, 64, 251, 0.3);
}

.image-result {
    margin-top: 24px;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.image-result h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--success);
}

.image-container {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
}

.image-container img {
    max-width: 100%;
    max-height: 600px;
    object-fit: contain;
    border-radius: 8px;
}

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

.btn-regenerate {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-regenerate:hover {
    border-color: var(--accent);
    color: var(--accent);
}

@media (max-width: 600px) {
    .switch-btn {
        width: 100%;
        justify-content: center;
    }
    .image-params {
        grid-template-columns: 1fr !important;
    }
    .image-actions {
        flex-direction: column;
    }
    .image-actions .btn-download,
    .image-actions .btn-regenerate {
        text-align: center;
    }
}