/* VideoKall Styles - Warm, Inviting Design for Family Calls */

:root {
	--color-bg: #0f0f12;
	--color-bg-elevated: #1a1a21;
	--color-bg-card: #22222d;
	--color-surface: #2a2a38;
	--color-border: #3a3a4a;
	--color-text: #f5f5f7;
	--color-text-muted: #9090a0;
	--color-primary: #ff6b4a;
	--color-primary-glow: rgba(255, 107, 74, 0.3);
	--color-secondary: #4a9fff;
	--color-success: #4ade80;
	--color-danger: #f87171;
	--radius-sm: 8px;
	--radius-md: 12px;
	--radius-lg: 20px;
	--radius-xl: 28px;
	--shadow-glow: 0 0 40px var(--color-primary-glow);
	--font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
	--transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
	font-family: var(--font-family);
	background: var(--color-bg);
	color: var(--color-text);
	min-height: 100vh;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

/* Background Pattern */
body::before {
	content: '';
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: 
		radial-gradient(ellipse at 20% 20%, rgba(255, 107, 74, 0.08) 0%, transparent 50%),
		radial-gradient(ellipse at 80% 80%, rgba(74, 159, 255, 0.08) 0%, transparent 50%),
		radial-gradient(ellipse at 50% 50%, rgba(255, 107, 74, 0.03) 0%, transparent 70%);
	pointer-events: none;
	z-index: -1;
}

.app {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

/* Screens */
.screen {
	display: none;
	min-height: 100vh;
}

.screen.active {
	display: flex;
	align-items: center;
	justify-content: center;
	animation: fadeIn 0.3s ease;
}

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

.container {
	width: 100%;
	max-width: 520px;
	padding: 32px;
}

/* Logo */
.logo {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 16px;
	margin-bottom: 8px;
}

.logo-icon {
	width: 56px;
	height: 56px;
	background: linear-gradient(135deg, var(--color-primary), #ff8a6a);
	border-radius: var(--radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: var(--shadow-glow);
}

.logo-icon svg {
	width: 32px;
	height: 32px;
	color: white;
}

.logo h1 {
	font-size: 2.5rem;
	font-weight: 700;
	letter-spacing: -0.02em;
	background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.tagline {
	text-align: center;
	color: var(--color-text-muted);
	font-size: 1.125rem;
	margin-bottom: 48px;
}

/* Entry Options */
.entry-options {
	display: flex;
	flex-direction: column;
	gap: 24px;
}

.option-card {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: 28px;
	transition: var(--transition);
}

.option-card:hover {
	border-color: var(--color-primary);
	box-shadow: 0 0 30px rgba(255, 107, 74, 0.1);
}

.option-icon {
	width: 48px;
	height: 48px;
	background: var(--color-surface);
	border-radius: var(--radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 16px;
}

.option-icon svg {
	width: 24px;
	height: 24px;
	color: var(--color-primary);
}

.option-card h3 {
	font-size: 1.25rem;
	font-weight: 600;
	margin-bottom: 4px;
}

.option-card > p {
	color: var(--color-text-muted);
	font-size: 0.9rem;
	margin-bottom: 20px;
}

/* Codec Selector */
.codec-selector {
	margin-bottom: 20px;
}

.codec-label {
	display: block;
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--color-text-muted);
	margin-bottom: 10px;
}

.codec-options {
	display: flex;
	gap: 10px;
}

.codec-option {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	padding: 12px 10px;
	background: var(--color-bg);
	border: 2px solid var(--color-border);
	border-radius: var(--radius-md);
	cursor: pointer;
	transition: var(--transition);
	text-align: center;
}

.codec-option:hover {
	border-color: var(--color-text-muted);
}

.codec-option:has(input:checked) {
	border-color: var(--color-primary);
	background: rgba(255, 107, 74, 0.08);
}

.codec-option input {
	display: none;
}

.codec-badge {
	font-size: 0.85rem;
	font-weight: 600;
	padding: 4px 10px;
	border-radius: 6px;
	letter-spacing: 0.02em;
}

.codec-badge.av1 {
	background: linear-gradient(135deg, #8b5cf6, #a78bfa);
	color: white;
}

.codec-badge.standard {
	background: var(--color-surface);
	color: var(--color-text-muted);
}

.codec-option:has(input:checked) .codec-badge.standard {
	background: var(--color-secondary);
	color: white;
}

.codec-desc {
	font-size: 0.7rem;
	color: var(--color-text-muted);
	line-height: 1.3;
}

@media (max-width: 600px) {
	.codec-options {
		flex-direction: column;
	}
	
	.codec-option {
		flex-direction: row;
		justify-content: flex-start;
		gap: 12px;
		padding: 10px 14px;
	}
	
	.codec-desc {
		flex: 1;
		text-align: left;
	}
}

.divider {
	display: flex;
	align-items: center;
	gap: 16px;
	color: var(--color-text-muted);
	font-size: 0.875rem;
}

.divider::before,
.divider::after {
	content: '';
	flex: 1;
	height: 1px;
	background: var(--color-border);
}

/* Input Groups */
.input-group {
	display: flex;
	gap: 12px;
}

input[type="text"],
input[type="password"] {
	flex: 1;
	padding: 14px 18px;
	font-size: 1rem;
	font-family: var(--font-family);
	background: var(--color-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	color: var(--color-text);
	transition: var(--transition);
}

input::placeholder {
	color: var(--color-text-muted);
}

input:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px var(--color-primary-glow);
}

#room-address {
	font-family: 'SF Mono', 'Fira Code', monospace;
	letter-spacing: 0.05em;
	text-transform: lowercase;
}

/* Buttons */
.btn {
	font-family: var(--font-family);
	font-size: 0.95rem;
	font-weight: 500;
	padding: 14px 24px;
	border: none;
	border-radius: var(--radius-md);
	cursor: pointer;
	transition: var(--transition);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	white-space: nowrap;
}

.btn.primary {
	background: linear-gradient(135deg, var(--color-primary), #ff8a6a);
	color: white;
	box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn.primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 30px var(--color-primary-glow);
}

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

.btn.secondary {
	background: var(--color-surface);
	color: var(--color-text);
	border: 1px solid var(--color-border);
}

.btn.secondary:hover {
	background: var(--color-border);
	border-color: var(--color-text-muted);
}

.btn.text {
	background: transparent;
	color: var(--color-text-muted);
	padding: 12px 20px;
}

.btn.text:hover {
	color: var(--color-text);
	background: var(--color-surface);
}

.btn.icon {
	padding: 12px;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
}

.btn.icon:hover {
	border-color: var(--color-primary);
	color: var(--color-primary);
}

.btn.icon svg {
	width: 20px;
	height: 20px;
}

/* Error Message */
.error-message {
	margin-top: 24px;
	padding: 14px 18px;
	background: rgba(248, 113, 113, 0.1);
	border: 1px solid rgba(248, 113, 113, 0.3);
	border-radius: var(--radius-md);
	color: var(--color-danger);
	font-size: 0.9rem;
	text-align: center;
	display: none;
}

.error-message.visible {
	display: block;
	animation: shake 0.4s ease;
}

@keyframes shake {
	0%, 100% { transform: translateX(0); }
	25% { transform: translateX(-5px); }
	75% { transform: translateX(5px); }
}

/* Waiting Screen */
.waiting-content {
	text-align: center;
}

.pulse-ring {
	width: 120px;
	height: 120px;
	margin: 0 auto 32px;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
}

.pulse-circle {
	width: 80px;
	height: 80px;
	background: linear-gradient(135deg, var(--color-primary), #ff8a6a);
	border-radius: 50%;
	position: relative;
}

.pulse-circle::before,
.pulse-circle::after {
	content: '';
	position: absolute;
	inset: 0;
	border-radius: 50%;
	border: 2px solid var(--color-primary);
	animation: pulse 2s ease-out infinite;
}

.pulse-circle::after {
	animation-delay: 1s;
}

@keyframes pulse {
	0% {
		transform: scale(1);
		opacity: 0.8;
	}
	100% {
		transform: scale(2.5);
		opacity: 0;
	}
}

.waiting-content h2 {
	font-size: 1.5rem;
	font-weight: 600;
	margin-bottom: 8px;
}

.waiting-content > p {
	color: var(--color-text-muted);
	margin-bottom: 16px;
}

.room-code-display {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: 16px 20px;
	margin-bottom: 8px;
}

.room-code-display span {
	font-family: 'SF Mono', 'Fira Code', monospace;
	font-size: 1.5rem;
	font-weight: 500;
	letter-spacing: 0.08em;
	color: var(--color-primary);
}

.copy-hint {
	font-size: 0.8rem;
	color: var(--color-text-muted);
	margin-bottom: 24px;
}

.copy-hint.copied {
	color: var(--color-success);
}

/* Join Link Section */
.join-link-section {
	background: var(--color-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: 20px;
	margin-bottom: 24px;
}

.join-link-section p {
	font-size: 0.9rem;
	color: var(--color-text-muted);
	margin-bottom: 12px;
}

.join-link-section .btn {
	width: 100%;
}

.join-link-section .btn-icon {
	width: 18px;
	height: 18px;
}

.link-hint {
	font-size: 0.75rem;
	color: var(--color-text-muted);
	margin-top: 10px;
	margin-bottom: 0 !important;
}

.link-hint.copied {
	color: var(--color-success);
}

/* Call Screen */
#call-screen {
	padding: 0;
}

#call-screen.active {
	display: block;
}

.video-container {
	position: fixed;
	inset: 0;
	background: var(--color-bg);
}

#remote-video {
	width: 100%;
	height: 100%;
	object-fit: contain;
	background: var(--color-bg);
}

#local-video {
	position: absolute;
	bottom: 120px;
	right: 24px;
	width: 180px;
	max-height: 240px;
	aspect-ratio: auto;
	object-fit: contain;
	border-radius: var(--radius-md);
	border: 2px solid var(--color-border);
	background: var(--color-bg-card);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
	cursor: move;
	z-index: 10;
}

.connection-status {
	position: absolute;
	top: 24px;
	left: 50%;
	transform: translateX(-50%);
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	padding: 10px 20px;
	border-radius: 100px;
	font-size: 0.9rem;
	color: var(--color-text-muted);
	display: flex;
	align-items: center;
	gap: 8px;
	z-index: 10;
}

.connection-status::before {
	content: '';
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--color-secondary);
	animation: blink 1.5s infinite;
}

.connection-status.connected::before {
	background: var(--color-success);
	animation: none;
}

.connection-status.hidden {
	display: none;
}

@keyframes blink {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.4; }
}

.call-controls {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	display: flex;
	justify-content: center;
	gap: 16px;
	padding: 24px;
	background: linear-gradient(to top, rgba(15, 15, 18, 0.95), transparent);
	z-index: 20;
}

.btn.control {
	width: 64px;
	height: 64px;
	border-radius: 50%;
	padding: 0;
	background: rgba(74, 222, 128, 0.15);
	border: 2px solid var(--color-success);
	color: var(--color-success);
	transition: var(--transition);
}

.btn.control svg {
	width: 24px;
	height: 24px;
}

.btn.control:hover {
	background: rgba(74, 222, 128, 0.25);
	transform: scale(1.05);
}

.btn.control.muted {
	background: rgba(248, 113, 113, 0.2);
	border-color: var(--color-danger);
	color: var(--color-danger);
}

.btn.control.muted:hover {
	background: rgba(248, 113, 113, 0.3);
}

.btn.control.danger {
	background: var(--color-danger);
	border-color: var(--color-danger);
	color: white;
}

.btn.control.danger:hover {
	background: #ef4444;
	transform: scale(1.05);
}

#switch-camera-btn {
	background: rgba(74, 159, 255, 0.15);
	border-color: var(--color-secondary);
	color: var(--color-secondary);
}

#switch-camera-btn:hover {
	background: rgba(74, 159, 255, 0.25);
}

.hidden {
	display: none !important;
}

/* Ended Screen */
.ended-content {
	text-align: center;
}

.ended-icon {
	width: 80px;
	height: 80px;
	margin: 0 auto 24px;
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
}

.ended-icon svg {
	width: 36px;
	height: 36px;
	color: var(--color-text-muted);
}

.ended-content h2 {
	font-size: 1.5rem;
	font-weight: 600;
	margin-bottom: 8px;
}

.ended-content p {
	color: var(--color-text-muted);
	margin-bottom: 32px;
}

/* Responsive */
@media (max-width: 600px) {
	.container {
		padding: 24px 16px;
	}
	
	.logo h1 {
		font-size: 2rem;
	}
	
	.input-group {
		flex-direction: column;
	}
	
	.option-card {
		padding: 20px;
	}
	
	#local-video {
		width: 100px;
		max-height: 180px;
		bottom: 110px;
		right: 16px;
	}
	
	.room-code-display span {
		font-size: 1.25rem;
	}
	
	.btn.control {
		width: 56px;
		height: 56px;
	}
}