/* ========== Variables ========== */
:root {
	--bg-primary: #0f0f0f;
	--bg-secondary: #1a1a1a;
	--bg-card: #252525;
	--bg-hover: #333;
	--text-primary: #fff;
	--text-secondary: #aaa;
	--text-muted: #666;
	--accent: #7c3aed;
	--accent-hover: #6d28d9;
	--success: #22c55e;
	--warning: #f59e0b;
	--danger: #ef4444;
	--border: #333;
	--radius: 12px;
	--radius-sm: 8px;
}

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

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	background: var(--bg-primary);
	color: var(--text-primary);
	min-height: 100vh;
	line-height: 1.5;
}

/* ========== Layout ========== */
.page {
	min-height: 100vh;
}

.hidden {
	display: none !important;
}

/* ========== Login Page ========== */
.login-container {
	max-width: 400px;
	margin: 0 auto;
	padding: 60px 20px;
	text-align: center;
}

.login-container h1 {
	font-size: 2.5rem;
	margin-bottom: 8px;
}

.subtitle {
	color: var(--text-secondary);
	margin-bottom: 40px;
}

.login-step {
	background: var(--bg-secondary);
	padding: 30px;
	border-radius: var(--radius);
	text-align: left;
}

.login-step label {
	display: block;
	margin-bottom: 8px;
	font-weight: 500;
}

.login-step input {
	width: 100%;
	padding: 14px 16px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--text-primary);
	font-size: 16px;
	margin-bottom: 16px;
}

.login-step input:focus {
	outline: none;
	border-color: var(--accent);
}

.login-step button {
	width: 100%;
	padding: 14px;
	background: var(--accent);
	color: white;
	border: none;
	border-radius: var(--radius-sm);
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.2s;
	margin-bottom: 8px;
}

.login-step button:hover {
	background: var(--accent-hover);
}

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

.btn-secondary {
	background: transparent !important;
	border: 1px solid var(--border) !important;
}

.btn-secondary:hover {
	background: var(--bg-hover) !important;
}

.hint {
	color: var(--text-muted);
	font-size: 13px;
	margin-top: 16px;
	text-align: center;
}

.error-message {
	background: rgba(239, 68, 68, 0.1);
	border: 1px solid var(--danger);
	color: var(--danger);
	padding: 12px;
	border-radius: var(--radius-sm);
	margin-top: 16px;
	text-align: center;
}

/* ========== Dashboard ========== */
header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 20px 24px;
	background: var(--bg-secondary);
	border-bottom: 1px solid var(--border);
}

.header-left h1 {
	font-size: 1.5rem;
}

.header-left span {
	color: var(--text-secondary);
	font-size: 14px;
}

.header-right {
	display: flex;
	gap: 8px;
}

.header-right button {
	padding: 10px 16px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--text-primary);
	cursor: pointer;
	transition: background 0.2s;
}

.header-right button:hover {
	background: var(--bg-hover);
}

.btn-icon {
	padding: 10px 12px !important;
}

/* ========== Stats Bar ========== */
.stats-bar {
	display: flex;
	gap: 16px;
	padding: 16px 24px;
	background: var(--bg-secondary);
}

.stat {
	background: var(--bg-card);
	padding: 16px 24px;
	border-radius: var(--radius-sm);
	display: flex;
	flex-direction: column;
}

.stat-value {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--accent);
}

.stat-label {
	font-size: 13px;
	color: var(--text-secondary);
}

/* ========== Filter Bar ========== */
.filter-bar {
	display: flex;
	gap: 12px;
	padding: 16px 24px;
	background: var(--bg-primary);
}

.filter-bar input,
.filter-bar select {
	padding: 10px 14px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--text-primary);
	font-size: 14px;
}

.filter-bar input {
	flex: 1;
}

.filter-bar input:focus,
.filter-bar select:focus {
	outline: none;
	border-color: var(--accent);
}

/* ========== Video List - Responsive Grid ========== */
.video-list {
	padding: 16px 24px;
	display: grid;
	grid-template-columns: repeat(4, 1fr); /* Desktop: 5 columns */
	gap: 12px;
}

.video-card {
	display: flex;
	flex-direction: column;
	gap: 8px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 12px;
	transition: all 0.2s;
	position: relative;
}

.video-card:hover {
	border-color: var(--accent);
}

.video-card.sortable-ghost {
	opacity: 0.5;
	background: var(--accent);
}

.video-card.sortable-chosen {
	box-shadow: 0 8px 30px rgba(124, 58, 237, 0.3);
}

.video-card.duplicate {
	border-color: var(--danger);
	background: rgba(239, 68, 68, 0.08);
}

.video-card.duplicate::after {
	content: '⚠️ TRÙNG';
	position: absolute;
	top: 4px;
	right: 4px;
	background: var(--danger);
	color: white;
	font-size: 10px;
	padding: 2px 6px;
	border-radius: 4px;
	font-weight: 600;
}

.video-card-header {
	display: flex;
	align-items: center;
	gap: 8px;
}

.drag-handle {
	cursor: grab;
	color: var(--text-muted);
	font-size: 16px;
	padding: 4px;
}

.drag-handle:active {
	cursor: grabbing;
}

.video-index {
	font-size: 12px;
	color: var(--text-muted);
	min-width: 24px;
	text-align: center;
	background: var(--bg-hover);
	padding: 2px 6px;
	border-radius: 4px;
}

.video-thumbnail {
	width: 100%;
	aspect-ratio: 9 / 16; /* TikTok vertical video ratio */
	max-height: 200px;
	background: var(--bg-hover);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	overflow: hidden;
	position: relative;
}

.video-thumbnail:hover {
	opacity: 0.9;
}

.video-thumbnail video {
	width: 100%;
	height: 100%;
	object-fit: contain; /* Show full video, don't crop */
	background: #000;
}

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

.video-title {
	font-weight: 500;
	margin-bottom: 4px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.video-title[contenteditable='true'] {
	background: var(--bg-hover);
	padding: 4px 8px;
	border-radius: 4px;
	outline: none;
	white-space: normal;
}

.video-hashtags {
	font-size: 13px;
	color: var(--accent);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.video-meta {
	display: flex;
	gap: 12px;
	font-size: 12px;
	color: var(--text-muted);
	margin-top: 4px;
}

.video-status {
	padding: 4px 8px;
	border-radius: 4px;
	font-size: 12px;
	font-weight: 500;
}

.video-status.pending {
	background: rgba(245, 158, 11, 0.15);
	color: var(--warning);
}

.video-status.posted {
	background: rgba(34, 197, 94, 0.15);
	color: var(--success);
}

.video-actions {
	display: flex;
	gap: 8px;
}

.video-actions button {
	padding: 8px 12px;
	background: var(--bg-hover);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--text-primary);
	cursor: pointer;
	transition: all 0.2s;
}

.video-actions button:hover {
	border-color: var(--accent);
}

.btn-danger {
	background: rgba(239, 68, 68, 0.1) !important;
	border-color: var(--danger) !important;
	color: var(--danger) !important;
}

.btn-danger:hover {
	background: var(--danger) !important;
	color: white !important;
}

/* ========== Modal ========== */
.modal {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.8);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 1000;
}

.modal-content {
	background: var(--bg-secondary);
	border-radius: var(--radius);
	max-width: 800px;
	width: 90%;
	max-height: 90vh;
	overflow: auto;
	position: relative;
}

.modal-small {
	max-width: 400px;
	padding: 24px;
	text-align: center;
}

.modal-small h3 {
	margin-bottom: 12px;
}

.modal-close {
	position: absolute;
	top: 12px;
	right: 12px;
	background: var(--bg-card);
	border: none;
	color: var(--text-primary);
	width: 36px;
	height: 36px;
	border-radius: 50%;
	font-size: 24px;
	cursor: pointer;
	z-index: 1;
}

.modal-close:hover {
	background: var(--bg-hover);
}

#modal-video {
	width: 100%;
	max-height: 60vh;
	background: #000;
}

#modal-info {
	padding: 16px;
}

.modal-actions {
	display: flex;
	gap: 12px;
	justify-content: center;
	margin-top: 20px;
}

.modal-actions button {
	padding: 12px 24px;
	border-radius: var(--radius-sm);
	border: none;
	cursor: pointer;
	font-weight: 500;
}

/* ========== Responsive ========== */

/* Tablet: 3 columns */
@media (max-width: 1024px) {
	.video-list {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* Mobile: 1 column, no drag */
@media (max-width: 768px) {
	.stats-bar {
		flex-wrap: wrap;
	}

	.stat {
		flex: 1;
		min-width: 80px;
		padding: 12px 16px;
	}

	.video-list {
		grid-template-columns: 1fr;
		padding: 12px 16px;
	}

	/* Hide drag handle on mobile */
	.drag-handle {
		display: none;
	}

	.video-thumbnail {
		height: 120px;
	}

	.video-actions {
		justify-content: flex-end;
	}
}

/* Posted videos cannot be dragged - dim drag handle */
/* Posted videos cannot be dragged - dim drag handle */
.video-card.posted .drag-handle {
	opacity: 0.2;
	cursor: not-allowed;
}

/* Marked for delete */
.video-card.marked-for-delete {
	border-color: var(--danger);
	position: relative;
}

.video-card.marked-for-delete::after {
	content: '❌ To be deleted';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(239, 68, 68, 0.1);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--danger);
	font-weight: bold;
	font-size: 1.2rem;
	pointer-events: none;
}

/* Save actions bar */
.save-actions-bar {
	position: fixed;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
	background: var(--bg-secondary);
	border: 1px solid var(--border);
	padding: 12px 24px;
	border-radius: var(--radius);
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
		0 2px 4px -1px rgba(0, 0, 0, 0.06);
	display: flex;
	align-items: center;
	gap: 16px;
	z-index: 100;
	animation: slideUp 0.3s ease-out;
}

.save-actions-bar.hidden {
	display: none;
}

@keyframes slideUp {
	from {
		transform: translate(-50%, 100%);
		opacity: 0;
	}
	to {
		transform: translate(-50%, 0);
		opacity: 1;
	}
}

/* ========== Tabs ========== */
.tabs {
	display: flex;
	gap: 4px;
	padding: 0 24px;
	background: var(--bg-secondary);
	border-bottom: 1px solid var(--border);
}

.tab {
	padding: 12px 20px;
	background: transparent;
	border: none;
	color: var(--text-secondary);
	cursor: pointer;
	font-size: 14px;
	font-weight: 500;
	border-bottom: 2px solid transparent;
	transition: all 0.2s;
}

.tab:hover {
	color: var(--text-primary);
}

.tab.active {
	color: var(--accent);
	border-bottom-color: var(--accent);
}

.tab-content {
	display: none;
}

.tab-content.active {
	display: block;
}

/* ========== Admin Panel ========== */
.admin-panel {
	padding: 24px;
}

.admin-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 20px;
}

.admin-header h2 {
	font-size: 1.25rem;
	font-weight: 600;
}

/* ========== Users List ========== */
.users-list {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.user-card {
	display: flex;
	align-items: center;
	gap: 16px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 16px;
	transition: border-color 0.2s;
}

.user-card:hover {
	border-color: var(--accent);
}

.user-avatar {
	width: 48px;
	height: 48px;
	background: var(--accent);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 20px;
	font-weight: 600;
}

.user-info {
	flex: 1;
}

.user-name {
	font-weight: 600;
	margin-bottom: 2px;
}

.user-username {
	color: var(--text-secondary);
	font-size: 13px;
}

.user-meta {
	display: flex;
	gap: 16px;
	font-size: 12px;
	color: var(--text-muted);
	margin-top: 4px;
}

.user-role {
	padding: 4px 8px;
	border-radius: 4px;
	font-size: 12px;
	font-weight: 500;
}

.user-role.admin {
	background: rgba(124, 58, 237, 0.2);
	color: var(--accent);
}

.user-role.reviewer {
	background: rgba(34, 197, 94, 0.2);
	color: var(--success);
}

.user-role.mod {
	background: rgba(245, 158, 11, 0.2);
	color: var(--warning);
}

.user-role.user {
	background: var(--bg-hover);
	color: var(--text-secondary);
}

.user-stats {
	text-align: right;
}

.user-stat-value {
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--accent);
}

.user-stat-label {
	font-size: 11px;
	color: var(--text-muted);
}

/* ========== Audit List ========== */
.audit-list {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.audit-item {
	display: flex;
	align-items: center;
	gap: 12px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 12px 16px;
	font-size: 13px;
}

.audit-time {
	color: var(--text-muted);
	font-size: 11px;
	min-width: 100px;
}

.audit-user {
	color: var(--accent);
	font-weight: 500;
	min-width: 120px;
}

.audit-action {
	flex: 1;
}

.audit-details {
	color: var(--text-secondary);
	font-size: 12px;
	max-width: 300px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/* ========== Pagination ========== */
.pagination {
	display: flex;
	justify-content: center;
	gap: 8px;
	margin-top: 20px;
}

.pagination button {
	padding: 8px 16px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--text-primary);
	cursor: pointer;
	transition: all 0.2s;
}

.pagination button:hover {
	border-color: var(--accent);
}

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

.pagination .page-info {
	padding: 8px 16px;
	color: var(--text-secondary);
}