/**
 * Podcast Trivia - Base Styles
 * Shared styles, CSS vars, typography.
 */

:root {
	--trivia-bg:           #0a0a0f;
	--trivia-surface:      #13131a;
	--trivia-surface-2:    #1e1e2a;
	--trivia-border:       #2a2a3a;
	--trivia-accent:       #ed1c24;
	--trivia-accent-2:     #0f1f3d;
	--trivia-text:         #f0f0f5;
	--trivia-text-muted:   #8888aa;
	--trivia-correct:      #22c55e;
	--trivia-wrong:        #ef4444;
	--trivia-font-display: 'Georgia', 'Times New Roman', serif;
	--trivia-font-ui:      system-ui, -apple-system, sans-serif;
	--trivia-radius:       8px;
	--trivia-radius-lg:    16px;
}

#podcast-trivia-app {
	--trivia-question-size: clamp(2rem, 5vw, 4rem);
	--trivia-question-admin: clamp(1.5rem, 3vw, 2.5rem);
	font-family: var(--trivia-font-ui);
	background: var(--trivia-bg);
	color: var(--trivia-text);
	min-height: 40vh;
	padding: 2rem;
	border-radius: var(--trivia-radius-lg);
	box-sizing: border-box;
}

#podcast-trivia-app *,
#podcast-trivia-app *::before,
#podcast-trivia-app *::after {
	box-sizing: border-box;
}

/* Typography */
.trivia-question-text,
.trivia-reveal-question {
	font-family: var(--trivia-font-display);
	font-size: var(--trivia-question-size);
	line-height: 1.2;
	margin: 0 0 1.5rem;
}

.trivia-label,
.trivia-guest-panel label {
	font-size: 0.875rem;
	color: var(--trivia-text-muted);
	display: block;
	margin-bottom: 0.5rem;
}

/* Buttons */
.trivia-btn {
	font-family: var(--trivia-font-ui);
	font-size: 1rem;
	padding: 0.75rem 1.5rem;
	border: none;
	border-radius: var(--trivia-radius);
	cursor: pointer;
	transition: background 0.2s, transform 0.1s;
}

.trivia-btn:hover {
	transform: translateY(-1px);
}

.trivia-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
	transform: none;
}

.trivia-btn-primary {
	background: var(--trivia-accent);
	color: white;
}

.trivia-btn-primary:hover:not(:disabled) {
	background: #ed1c24;
}

.trivia-btn-danger {
	background: var(--trivia-wrong);
	color: white;
}

.trivia-btn-danger:hover:not(:disabled) {
	background: #ff5555;
}

/* Inputs - light background, dark text for contrast */
#podcast-trivia-app .trivia-answer-input,
#podcast-trivia-app .trivia-join-name,
#podcast-trivia-app .trivia-join-key,
#podcast-trivia-app .trivia-key-input,
#podcast-trivia-app .trivia-add-question-form input,
#podcast-trivia-app .trivia-add-question-form textarea {
	width: 100%;
	max-width: 100%;
	padding: 1rem;
	font-size: 1.25rem;
	background: #f5f5f8 !important;
	background-color: #f5f5f8 !important;
	border: 2px solid #c0c0cc;
	border-radius: var(--trivia-radius);
	color: #1a1a1a !important;
	-webkit-text-fill-color: #1a1a1a !important;
	margin-bottom: 1rem;
}

#podcast-trivia-app .trivia-answer-input:-webkit-autofill,
#podcast-trivia-app .trivia-join-name:-webkit-autofill,
#podcast-trivia-app .trivia-join-key:-webkit-autofill,
#podcast-trivia-app .trivia-key-input:-webkit-autofill,
#podcast-trivia-app .trivia-add-question-form input:-webkit-autofill,
#podcast-trivia-app .trivia-add-question-form textarea:-webkit-autofill {
	-webkit-text-fill-color: #1a1a1a !important;
	-webkit-box-shadow: 0 0 0 1000px #f5f5f8 inset !important;
	box-shadow: 0 0 0 1000px #f5f5f8 inset !important;
}

.trivia-add-question-form textarea {
	min-height: 80px;
	resize: vertical;
}

#podcast-trivia-app .trivia-answer-input::placeholder,
#podcast-trivia-app .trivia-join-name::placeholder,
#podcast-trivia-app .trivia-join-key::placeholder,
#podcast-trivia-app .trivia-key-input::placeholder,
#podcast-trivia-app .trivia-add-question-form input::placeholder,
#podcast-trivia-app .trivia-add-question-form textarea::placeholder {
	color: #6b6b7a;
}

#podcast-trivia-app .trivia-add-question-form input:focus,
#podcast-trivia-app .trivia-add-question-form textarea:focus,
#podcast-trivia-app .trivia-answer-input:focus,
#podcast-trivia-app .trivia-join-name:focus,
#podcast-trivia-app .trivia-join-key:focus,
#podcast-trivia-app .trivia-key-input:focus {
	outline: none;
	border-color: var(--trivia-accent);
}

#podcast-trivia-app .trivia-key-form label,
#podcast-trivia-app .trivia-join-form label {
	color: var(--trivia-text);
}

.trivia-switch-key {
	margin: 2rem 0 0;
	padding-top: 1.5rem;
	text-align: center;
	font-size: 0.875rem;
}

.trivia-switch-key a {
	color: var(--trivia-text-muted);
	text-decoration: none;
}

.trivia-switch-key a:hover {
	color: var(--trivia-accent);
}

.trivia-btn-restart {
	background: transparent;
	color: var(--trivia-text-muted);
	font-size: 0.875rem;
	padding: 0.5rem 1rem;
}

.trivia-btn-restart:hover {
	color: var(--trivia-accent);
	background: transparent;
}

/* Session key display */
.trivia-session-key-display {
	font-size: 3rem;
	font-family: monospace;
	letter-spacing: 0.2em;
	margin: 1rem 0;
}

/* Answer card - 3D flip */
.answer-card {
	perspective: 1000px;
	min-height: 180px;
}

.answer-card-inner {
	transform-style: preserve-3d;
	transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
	position: relative;
	width: 100%;
	height: 100%;
	min-height: 180px;
}

.answer-card.flipped .answer-card-inner {
	transform: rotateY(180deg);
}

.answer-card.flipped .answer-card-inner.animate-pulse {
	animation: trivia-card-pulse 0.2s ease-out 0.6s both;
}

@keyframes trivia-card-pulse {
	0% { transform: rotateY(180deg) scale(1); }
	50% { transform: rotateY(180deg) scale(1.05); }
	100% { transform: rotateY(180deg) scale(1); }
}

.answer-card-front,
.answer-card-back {
	backface-visibility: hidden;
	position: absolute;
	inset: 0;
	border-radius: var(--trivia-radius);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 1.5rem;
	background: var(--trivia-surface-2);
	border: 2px solid var(--trivia-border);
}

.answer-card-back {
	transform: rotateY(180deg);
}

.answer-card.correct .answer-card-back {
	border-color: var(--trivia-correct);
	background: rgba(34, 197, 94, 0.15);
}

.answer-card.wrong .answer-card-back {
	border-color: var(--trivia-wrong);
	background: rgba(239, 68, 68, 0.15);
}

/* Answer card grid */
.trivia-answer-cards,
.trivia-reveal-cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 1.5rem;
	margin: 2rem 0;
}

/* Waiting dots animation */
.trivia-waiting-dots {
	display: flex;
	gap: 0.5rem;
	justify-content: center;
	margin: 2rem 0;
}

.trivia-waiting-dots span {
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--trivia-accent);
	animation: trivia-dots 1.4s ease-in-out infinite both;
}

.trivia-waiting-dots span:nth-child(1) { animation-delay: -0.32s; }
.trivia-waiting-dots span:nth-child(2) { animation-delay: -0.16s; }
.trivia-waiting-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes trivia-dots {
	0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
	40% { transform: scale(1); opacity: 1; }
}