:root {
	--bg-color: #0d1117;
	--card-bg: #161b22;
	--accent-color: #58a6ff;
	--accent-hover: #1f6feb;
	--text-primary: #c9d1d9;
	--text-secondary: #8b949e;
	--border-color: #30363d;
	--input-bg: #0d1117;
	--font-family:
		'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial,
		sans-serif;
	--glass-bg: rgba(22, 27, 34, 0.7);
	--glass-border: rgba(48, 54, 61, 0.5);
}

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

body {
	font-family: var(--font-family);
	background-color: var(--bg-color);
	color: var(--text-primary);
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	background-image: radial-gradient(circle at 50% 0%, #1f2530 0%, #0d1117 100%);
}

.container {
	width: 100%;
	max-width: 800px;
	padding: 2rem;
	background: var(--glass-bg);
	backdrop-filter: blur(12px);
	border: 1px solid var(--glass-border);
	border-radius: 16px;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
	animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

header {
	text-align: center;
	margin-bottom: 2rem;
}

.logo {
	max-width: 120px;
	margin-bottom: 1rem;
	filter: drop-shadow(0 0 10px rgba(88, 166, 255, 0.3));
}

h1 {
	font-size: 2rem;
	font-weight: 700;
	color: var(--text-primary);
	margin-bottom: 0.5rem;
	background: linear-gradient(90deg, #58a6ff, #a371f7);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

.subtitle {
	color: var(--text-secondary);
	font-size: 0.95rem;
}

.control-group {
	margin-bottom: 1.5rem;
	position: relative;
}

label {
	display: block;
	margin-bottom: 0.5rem;
	font-weight: 500;
	color: var(--text-secondary);
	font-size: 0.9rem;
}

input[type='text'],
textarea,
select {
	width: 100%;
	padding: 0.75rem 1rem;
	background-color: var(--input-bg);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	color: var(--text-primary);
	font-family: inherit;
	font-size: 1rem;
	transition:
		border-color 0.2s,
		box-shadow 0.2s;
}

/* Replace native select chevron with a custom one positioned right next to
   the content area instead of floating at the far edge of the box.
   `!important` on background-image is needed because #format-select has an
   inline `background: var(--input-bg)` that would otherwise reset the image. */
select {
	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='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%238b949e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") !important;
	background-repeat: no-repeat !important;
	background-position: right 14px center !important;
	background-size: 12px 8px !important;
	padding-right: 36px !important;
}

input[type='file'] {
	width: 100%;
	padding: 0.5rem;
	background-color: var(--input-bg);
	border: 1px dashed var(--border-color);
	border-radius: 8px;
	color: var(--text-secondary);
	cursor: pointer;
}

input:focus,
textarea:focus,
select:focus {
	outline: none;
	border-color: var(--accent-color);
	box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

textarea {
	min-height: 120px;
	resize: vertical;
}

.input-with-action {
	position: relative;
	display: flex;
	align-items: center;
}

.input-with-action input[type='text'] {
	width: 100%;
	padding-right: 2.5rem;
}

.clear-btn {
	position: absolute;
	right: 0.5rem;
	top: 50%;
	transform: translateY(-50%);
	width: 1.8rem;
	height: 1.8rem;
	padding: 0;
	background: transparent;
	color: var(--text-secondary);
	border: none;
	border-radius: 50%;
	font-size: 0.85rem;
	font-weight: 600;
	line-height: 1;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition:
		background-color 0.2s,
		color 0.2s;
}

.clear-btn:hover {
	color: var(--text-primary);
	background-color: rgba(255, 255, 255, 0.1);
}

.clear-btn:disabled {
	cursor: default;
	opacity: 0;
	pointer-events: none;
}

.voice-list {
	position: absolute;
	top: 100%;
	left: 0;
	width: 100%;
	z-index: 100;
	list-style: none;
	margin-top: 4px;
	padding: 0;
	background: var(--card-bg);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	max-height: 250px;
	overflow-y: auto;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
	display: none; /* Changed from just being in flow */
}

.voice-list.show {
	display: block;
}

.voice-list li {
	border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.voice-list li:last-child {
	border-bottom: none;
}

.voice-list-item {
	width: 100%;
	text-align: left;
	background: transparent;
	border: none;
	border-radius: 0;
	color: var(--text-primary);
	padding: 0.75rem 1rem;
	font-size: 0.95rem;
	cursor: pointer;
	transition: background-color 0.1s;
	display: grid;
	grid-template-columns: 1fr auto;
	align-items: center;
	gap: 0.5rem;
}

.voice-list-item .voice-info {
	display: flex;
	flex-direction: column;
	gap: 2px;
	overflow: hidden;
}

.voice-list-item .voice-name {
	font-weight: 500;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.voice-list-item .voice-sub {
	font-size: 0.75rem;
	color: var(--text-secondary);
	font-family: 'SF Mono', 'Consolas', monospace;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	opacity: 0.7;
}

.voice-list-item span.voice-badge {
	font-size: 0.7rem;
	font-weight: 600;
	padding: 2px 8px;
	border-radius: 12px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	white-space: nowrap;
}

.voice-list-item span.voice-badge.badge-builtin {
	color: var(--text-secondary);
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.1);
}

.voice-list-item span.voice-badge.badge-custom {
	color: #7ee787; /* Greenish for custom */
	background: rgba(46, 160, 67, 0.15);
	border: 1px solid rgba(46, 160, 67, 0.2);
}

.voice-list-item:hover,
.voice-list-item:focus {
	outline: none;
	background: rgba(88, 166, 255, 0.15);
	color: var(--accent-color);
}

.voice-list-empty {
	color: var(--text-secondary);
	padding: 1rem;
	text-align: center;
	font-size: 0.9rem;
}

.btn-primary {
	display: block;
	width: 100%;
	padding: 1rem;
	border: none;
	border-radius: 8px;
	background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
	color: white;
	font-weight: 600;
	font-size: 1.1rem;
	cursor: pointer;
	transition:
		transform 0.1s,
		opacity 0.2s;
	box-shadow: 0 4px 12px rgba(31, 111, 235, 0.3);
}

.btn-primary:hover {
	opacity: 0.9;
}

.btn-primary:active {
	transform: scale(0.98);
}

.btn-primary:disabled {
	background: var(--border-color);
	cursor: not-allowed;
	opacity: 0.7;
	box-shadow: none;
}

.output-section {
	margin-top: 2rem;
	padding-top: 2rem;
	border-top: 1px solid var(--border-color);
	text-align: center;
	display: none; /* Hidden by default */
}

.output-section.active {
	display: block;
	animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
	from {
		opacity: 0;
		transform: translateY(-10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

audio {
	width: 100%;
	margin-bottom: 1rem;
	border-radius: 8px;
}

.download-link {
	display: inline-block;
	padding: 0.5rem 1rem;
	color: var(--accent-color);
	text-decoration: none;
	border: 1px solid var(--accent-color);
	border-radius: 6px;
	font-size: 0.9rem;
	transition: all 0.2s;
}

.download-link:hover {
	background: rgba(88, 166, 255, 0.1);
}

/* Spinner */
.spinner {
	display: inline-block;
	width: 1.5rem;
	height: 1.5rem;
	border: 3px solid rgba(255, 255, 255, 0.3);
	border-radius: 50%;
	border-top-color: #fff;
	animation: spin 1s ease-in-out infinite;
	margin-left: 0.5rem;
	vertical-align: middle;
	display: none;
}

.btn-primary.loading .spinner {
	display: inline-block;
}

.btn-primary.loading span {
	display: none;
}

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

.hidden {
	display: none;
}

/* API Documentation Styles */
.api-docs {
	margin-top: 3rem;
	padding-top: 2rem;
	border-top: 1px solid var(--border-color);
}

.api-docs h2 {
	font-size: 1.5rem;
	margin-bottom: 0.5rem;
	color: var(--text-primary);
}

.api-intro {
	color: var(--text-secondary);
	margin-bottom: 2rem;
	font-size: 0.95rem;
}

.endpoint {
	background: var(--input-bg);
	border: 1px solid var(--border-color);
	border-radius: 12px;
	padding: 1.5rem;
	margin-bottom: 1.5rem;
}

.endpoint-header {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1rem;
}

.method {
	padding: 0.25rem 0.75rem;
	border-radius: 4px;
	font-weight: 600;
	font-size: 0.8rem;
	text-transform: uppercase;
}

.method.get {
	background: rgba(46, 160, 67, 0.2);
	color: #3fb950;
	border: 1px solid rgba(46, 160, 67, 0.4);
}

.method.post {
	background: rgba(88, 166, 255, 0.2);
	color: #58a6ff;
	border: 1px solid rgba(88, 166, 255, 0.4);
}

.path {
	font-family: 'SF Mono', 'Consolas', monospace;
	font-size: 1rem;
	color: var(--text-primary);
	background: none;
	padding: 0;
}

.endpoint-desc {
	color: var(--text-secondary);
	margin-bottom: 1rem;
	font-size: 0.9rem;
}

.params-section,
.example-section,
.response-example,
.error-section {
	margin-top: 1rem;
}

.params-section strong,
.example-section strong,
.response-example strong,
.error-section strong {
	display: block;
	color: var(--text-secondary);
	font-size: 0.85rem;
	margin-bottom: 0.5rem;
}

.params-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.85rem;
	margin-top: 0.5rem;
}

.params-table th,
.params-table td {
	padding: 0.6rem 0.75rem;
	text-align: left;
	border-bottom: 1px solid var(--border-color);
}

.params-table th {
	color: var(--text-secondary);
	font-weight: 500;
	background: rgba(0, 0, 0, 0.2);
}

.params-table td {
	color: var(--text-primary);
}

.params-table code {
	background: rgba(88, 166, 255, 0.1);
	color: var(--accent-color);
	padding: 0.15rem 0.4rem;
	border-radius: 4px;
	font-size: 0.85em;
}

.api-docs pre {
	background: rgba(0, 0, 0, 0.3);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	padding: 1rem;
	overflow-x: auto;
	font-family: 'SF Mono', 'Consolas', monospace;
	font-size: 0.85rem;
	color: var(--text-primary);
	line-height: 1.5;
}

.voices-reference {
	margin-top: 2rem;
	padding: 1.5rem;
	background: var(--input-bg);
	border: 1px solid var(--border-color);
	border-radius: 12px;
}

.voices-reference h3 {
	font-size: 1.1rem;
	margin-bottom: 0.5rem;
	color: var(--text-primary);
}

.voices-reference p {
	color: var(--text-secondary);
	font-size: 0.9rem;
	margin-bottom: 1rem;
}

.voice-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 1rem;
}

.voice-chip {
	background: rgba(88, 166, 255, 0.15);
	color: var(--accent-color);
	padding: 0.4rem 0.8rem;
	border-radius: 20px;
	font-size: 0.85rem;
	font-family: 'SF Mono', 'Consolas', monospace;
	border: 1px solid rgba(88, 166, 255, 0.3);
}

.voice-note {
	font-size: 0.85rem;
	color: var(--text-secondary);
	margin-top: 1rem;
	margin-bottom: 0;
}

.voice-note a {
	color: var(--accent-color);
	text-decoration: none;
}

.voice-note a:hover {
	text-decoration: underline;
}

/* ID Helper */
.voice-id-helper {
	margin-top: 0.5rem;
	font-size: 0.8rem;
	color: var(--text-secondary);
	font-family: 'SF Mono', 'Consolas', monospace;
	display: flex;
	align-items: center;
	padding-left: 2px;
	animation: fadeIn 0.3s ease-out;
}

.voice-id-helper span {
	color: var(--accent-color);
	margin-left: 0.5rem;
	background: rgba(88, 166, 255, 0.1);
	padding: 2px 6px;
	border-radius: 4px;
	user-select: all;
	cursor: text;
}

.copy-btn {
	background: transparent;
	border: none;
	color: var(--text-secondary);
	cursor: pointer;
	padding: 4px;
	margin-left: 0.5rem;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 4px;
	transition:
		background-color 0.2s,
		color 0.2s;
}

.copy-btn:hover {
	background: rgba(255, 255, 255, 0.1);
	color: var(--text-primary);
}

.copy-btn:active {
	transform: translateY(1px);
}

.version-strip {
	color: var(--text-secondary);
	font-size: 0.8em;
	margin-top: 4px;
	margin-bottom: 0;
}

.version-strip a {
	color: var(--text-secondary);
	text-decoration: none;
	border-bottom: 1px dotted currentColor;
}

.version-strip a:hover {
	color: var(--text-color);
}

.model-settings {
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
}

.model-settings-summary {
    padding: 10px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    list-style: none;
}

.model-settings-summary::-webkit-details-marker {
    display: none;
}

.disclosure-caret {
    display: inline-block;
    transition: transform 0.15s ease;
    color: var(--text-secondary);
}

.model-settings[open] .disclosure-caret {
    transform: rotate(90deg);
}

.summary-label #active-model-label {
    font-family: monospace;
    color: var(--text-color);
}

.model-badge {
    font-size: 0.75em;
    padding: 2px 6px;
    border-radius: 3px;
    background: var(--border-color);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.session-badge {
    background: #b45309;
    color: #fff;
}

.loading-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9em;
    color: var(--text-secondary);
}

.spinner-small {
    width: 12px;
    height: 12px;
    border: 2px solid var(--border-color);
    border-top-color: var(--text-color);
    border-radius: 50%;
    display: inline-block;
    animation: spin 0.8s linear infinite;
}

.model-settings-body {
    padding: 14px 14px 14px 14px;
    border-top: 1px solid var(--border-color);
}

/* HTML [hidden] is otherwise overridden by display: inline-flex etc. */
.model-settings [hidden] {
    display: none !important;
}

.btn-secondary {
    padding: 8px 18px;
    margin-top: 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: transparent;
    color: var(--text-color);
    font-weight: 500;
    cursor: pointer;
    transition:
        background 0.15s,
        border-color 0.15s,
        opacity 0.15s;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--input-bg);
    border-color: var(--accent-color);
}

.btn-secondary:active:not(:disabled) {
    transform: translateY(1px);
}

.btn-secondary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.inline-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.info-banner {
    padding: 10px 12px;
    border-radius: 4px;
    margin-top: 14px;
    font-size: 0.9em;
    line-height: 1.4;
}

.info-banner code {
    font-family: monospace;
    background: rgba(255,255,255,0.06);
    padding: 1px 4px;
    border-radius: 2px;
}

.info-banner.info {
    background: rgba(59,130,246,0.08);
    border-left: 3px solid #3b82f6;
    color: var(--text-color);
}

.info-banner.warning {
    background: rgba(234,179,8,0.08);
    border-left: 3px solid #eab308;
    color: var(--text-color);
}

.info-banner.error {
    background: rgba(239,68,68,0.08);
    border-left: 3px solid #ef4444;
    color: var(--text-color);
}

/* Responsive adjustments */
@media (max-width: 600px) {
	.params-table {
		font-size: 0.75rem;
	}

	.params-table th,
	.params-table td {
		padding: 0.4rem 0.5rem;
	}

	.endpoint-header {
		flex-wrap: wrap;
	}
}