/* Layout shell */
.admin-topbar {
	background-color: var(--tt-admin-sidebar-bg) !important;
	border-bottom: 1px solid var(--tt-admin-sidebar-border);
	min-height: var(--tt-admin-navbar-height);
}

.admin-topbar .navbar-toggler {
	padding: 0.4rem 0.55rem;
	border-color: rgba(255, 255, 255, 0.35);
}

.admin-topbar .navbar-toggler:focus {
	box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.15);
}

.admin-topbar .navbar-brand {
	min-width: 0;
	max-width: calc(100% - 7rem);
	font-family: var(--tt-admin-font-display);
	font-weight: 600;
	font-size: 1.15rem;
	letter-spacing: -0.02em;
}

.admin-brand-mark {
	width: 32px;
	height: 32px;
	border-radius: 8px;
	flex-shrink: 0;
}

.admin-brand-sub {
	font-family: var(--tt-admin-font);
	font-size: 0.65rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: rgba(255, 255, 255, 0.5);
	line-height: 1;
}

.admin-user-pill {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.25rem 0.6rem;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.08);
	color: rgba(255, 255, 255, 0.85);
	font-size: 0.8125rem;
}

.admin-user-pill i {
	opacity: 0.7;
}

.admin-sidebar {
	background-color: var(--tt-admin-sidebar-bg) !important;
	border-color: var(--tt-admin-sidebar-border) !important;
	min-height: calc(100vh - var(--tt-admin-navbar-height));
	max-height: calc(100vh - var(--tt-admin-navbar-height));
	overflow-y: auto;
	overflow-x: hidden;
}

@media (max-width: 991.98px) {
	.admin-sidebar:not(.offcanvas) {
		min-height: auto;
		max-height: none;
	}
}

.offcanvas.admin-sidebar {
	--bs-offcanvas-width: min(280px, 85vw);
	background-color: var(--tt-admin-sidebar-bg);
	border-right: 1px solid var(--tt-admin-sidebar-border);
}

.offcanvas.admin-sidebar .offcanvas-header {
	padding: 0.75rem 1rem;
}

.offcanvas.admin-sidebar .offcanvas-title {
	font-family: var(--tt-admin-font-display);
	font-size: 1rem;
	font-weight: 600;
}

.offcanvas.admin-sidebar .offcanvas-body {
	overflow-y: auto;
}

.admin-sidebar .nav-link {
	color: rgba(255, 255, 255, 0.72);
	border-radius: 8px;
	padding: 0.45rem 0.65rem;
	font-size: 0.875rem;
	border-left: 3px solid transparent;
}

.admin-sidebar .nav-link:hover {
	color: #fff;
	background-color: var(--tt-admin-sidebar-hover);
}

.admin-sidebar .nav-link.active {
	color: #fff;
	font-weight: 600;
	background-color: var(--tt-admin-sidebar-hover);
	border-left-color: var(--tt-admin-primary);
}

.admin-sidebar .menu-group-label {
	text-transform: uppercase;
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.05em;
	color: rgba(255, 255, 255, 0.38);
	margin-top: 1rem;
	padding: 0.25rem 0.5rem;
}

.admin-main {
	padding: 1.25rem 1.5rem 2rem;
	max-width: 1600px;
}

@media (max-width: 575.98px) {
	.admin-brand-sub {
		display: none;
	}

	.admin-main {
		padding: 1rem 1rem 1.5rem;
	}
}

.admin-flash .alert {
	border: none;
	border-radius: var(--tt-admin-card-radius);
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* Page header */
.admin-page-header {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: flex-start;
	gap: 1rem;
	margin-bottom: 1.5rem;
}

.admin-page-header__title {
	font-size: 1.5rem;
	font-weight: 600;
	margin: 0;
	letter-spacing: -0.02em;
}

.admin-page-header__subtitle {
	font-size: 0.875rem;
	color: var(--tt-admin-text-muted);
	margin: 0.25rem 0 0;
}

.admin-page-header__back {
	font-size: 0.8125rem;
	text-decoration: none;
	color: var(--tt-admin-text-muted);
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	margin-bottom: 0.35rem;
}

.admin-page-header__back:hover {
	color: var(--tt-admin-primary);
}

/* Cards */
.admin-main .card,
.admin-card {
	border: 1px solid var(--tt-admin-border);
	border-radius: var(--tt-admin-card-radius);
	background: var(--tt-admin-surface);
	box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04) !important;
}

.admin-main .card-header,
.admin-card > .card-header {
	background: var(--tt-admin-surface);
	border-bottom: 1px solid var(--tt-admin-border);
	font-weight: 600;
	font-size: 0.9375rem;
	padding: 0.75rem 1rem;
}

.admin-filter {
	border: 1px solid var(--tt-admin-border);
	border-radius: var(--tt-admin-card-radius);
	background: var(--tt-admin-surface);
}

.admin-option-card {
	border: 1px solid var(--tt-admin-border);
	border-radius: 0.75rem;
	background: #fbfcff;
	padding: 1rem;
}

.admin-option-card--muted {
	background: #f8f9fb;
}

.admin-option-card__title {
	font-size: 0.9375rem;
	font-weight: 600;
	margin-bottom: 0.25rem;
}

.admin-option-card__text {
	font-size: 0.8125rem;
	color: var(--tt-admin-text-muted);
}

.admin-action-bar {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	padding-top: 1rem;
	margin-top: 1rem;
	border-top: 1px solid var(--tt-admin-border);
}

.admin-action-summary {
	min-width: 0;
}

.admin-action-summary__title {
	font-size: 0.9375rem;
	font-weight: 600;
	margin: 0 0 0.15rem;
}

.admin-action-summary__text {
	font-size: 0.8125rem;
	color: var(--tt-admin-text-muted);
	margin: 0;
}

.admin-filter-actions {
	display: grid;
	gap: 0.5rem;
}

.admin-code-chip {
	display: inline-flex;
	align-items: center;
	padding: 0.18rem 0.45rem;
	border-radius: 999px;
	background: #f3f4f6;
	color: #374151;
	font-size: 0.75rem;
	font-weight: 600;
	line-height: 1.2;
}

.admin-code-hint {
	display: block;
	font-size: 0.72rem;
	color: var(--tt-admin-text-muted);
	margin-top: 0.2rem;
}

.admin-section-head {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: flex-start;
	gap: 0.75rem;
	margin-bottom: 0.75rem;
}

.admin-section-head__title {
	font-size: 1rem;
	font-weight: 600;
	margin: 0;
}

.admin-section-head__subtitle {
	font-size: 0.8125rem;
	color: var(--tt-admin-text-muted);
	margin: 0.2rem 0 0;
}

.admin-section-head__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

@media (min-width: 768px) {
	.admin-action-bar {
		flex-direction: row;
		justify-content: space-between;
		align-items: center;
	}

	.admin-filter-actions {
		display: flex;
		justify-content: flex-end;
	}
}

@media (max-width: 767.98px) {
	.admin-action-bar .btn,
	.admin-filter-actions .btn {
		width: 100%;
	}
}

/* KPI */
.admin-kpi {
	position: relative;
	overflow: hidden;
}

.admin-kpi::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 4px;
	background: linear-gradient(180deg, var(--tt-admin-primary), var(--tt-admin-brand-purple));
	border-radius: var(--tt-admin-card-radius) 0 0 var(--tt-admin-card-radius);
}

.admin-kpi .card-body {
	padding-left: 1.25rem;
}

.admin-kpi .admin-kpi__value {
	font-size: 1.6rem;
	font-weight: 700;
	line-height: 1.2;
	margin: 0;
	letter-spacing: -0.02em;
}

.admin-kpi .admin-kpi__label {
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--tt-admin-text-muted);
	margin-bottom: 0.35rem;
}

.admin-kpi .admin-kpi__hint {
	font-size: 0.8125rem;
	color: var(--tt-admin-text-muted);
	margin: 0.35rem 0 0;
}

.admin-kpi a.small {
	color: var(--tt-admin-primary);
	text-decoration: none;
}

.admin-kpi a.small:hover {
	text-decoration: underline;
}

/* Tables */
.admin-main .table.admin-table thead th,
.admin-main .table thead.table-light th {
	font-size: 0.6875rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--tt-admin-text-muted);
	background: #f8f9fb !important;
	border-bottom: 1px solid var(--tt-admin-border);
}

.admin-main .table-hover tbody tr:hover {
	background-color: rgba(99, 102, 241, 0.04);
}

/* Status badges */
.badge-status-active { background-color: rgba(50, 213, 131, 0.15) !important; color: #15803d !important; }
.badge-status-pending { background-color: rgba(255, 181, 71, 0.2) !important; color: #b45309 !important; }
.badge-status-blocked,
.badge-status-deleted { background-color: rgba(232, 90, 79, 0.12) !important; color: #b91c1c !important; }

/* Developer info (collapsed) */
.admin-dev-details {
	display: inline;
}

.admin-dev-details summary {
	cursor: pointer;
	list-style: none;
	display: inline;
	font-size: 0.75rem;
	color: var(--tt-admin-text-muted);
}

.admin-dev-details summary::-webkit-details-marker {
	display: none;
}

.admin-dev-details[open] summary {
	margin-bottom: 0.25rem;
}

.admin-dev-details__body {
	font-size: 0.75rem;
	color: var(--tt-admin-text-muted);
}

/* Login */
.admin-login-page {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(145deg, #0b0b0e 0%, #1a1035 45%, #2d1f5c 100%);
	padding: 1.5rem;
}

.admin-login-card {
	border: 1px solid var(--tt-admin-border);
	border-radius: var(--tt-admin-card-radius);
	max-width: 400px;
	width: 100%;
}

.admin-login-card .card-body {
	padding: 2rem;
}

.admin-login-logo {
	width: 48px;
	height: 48px;
	border-radius: 12px;
}

.admin-login-title {
	font-family: var(--tt-admin-font-display);
	font-weight: 600;
	font-size: 1.35rem;
	margin: 0;
}

.admin-login-sub {
	font-size: 0.875rem;
	color: var(--tt-admin-text-muted);
}

/* Empty state */
.admin-empty {
	text-align: center;
	padding: 2.5rem 1rem;
	color: var(--tt-admin-text-muted);
}

.admin-empty i {
	font-size: 2rem;
	opacity: 0.35;
	display: block;
	margin-bottom: 0.75rem;
}

/* Quick links */
.admin-quick-links .btn {
	font-size: 0.8125rem;
}

/* Project detail (contents) */
#ai-writing-prompts,
#story-chapters,
[id^="ai-prompt-ch-"] {
	scroll-margin-top: 5.5rem;
}

html.admin-app {
	scroll-padding-top: 5.5rem;
}

.admin-project-thumb {
	width: 120px;
	height: 160px;
	flex-shrink: 0;
	border-radius: 0.375rem;
	border: 1px solid var(--tt-admin-border);
	background-color: #f1f3f5;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
}

.admin-project-thumb.is-generating {
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	overflow: hidden;
	background-color: #e9ecef;
	background-image: none !important;
}

.admin-project-thumb.is-generating::after {
	content: "생성 중...";
	font-size: 0.8rem;
	font-weight: 600;
	color: #495057;
	z-index: 1;
}

.admin-project-thumb.is-generating::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
	animation: admin-thumb-shimmer 1.5s infinite linear;
}

.admin-project-thumb.is-failed {
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: 0.5rem;
	background-color: #fde8ea;
	color: #842029;
	font-size: 0.75rem;
	font-weight: 600;
}

@keyframes admin-thumb-shimmer {
	0% { transform: translateX(-100%); }
	100% { transform: translateX(100%); }
}