/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --background-color: #f8fafc;
    --sidebar-bg: #1e293b;
    --sidebar-text: #94a3b8;
    --sidebar-active: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

h1:focus {
    outline: none;
}

/* App Layout */
.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
}

.sidebar-header {
    height: 83px; /* Match height of page-header.fixed */
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.logo-image {
    max-width: 200px;
    max-height: 200px;
    width: auto;
    height: auto;
    display: block;
}

/* Legacy logo styles - kept just in case */
.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
    display: none; /* Hide legacy */
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    display: none; /* Hide legacy */
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: all 0.2s;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--sidebar-active);
}

.nav-item.active {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--sidebar-active);
    border-right: 3px solid var(--primary-color);
}

.nav-icon {
    font-size: 1.25rem;
}

.nav-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 0.5rem 1.5rem;
}

.sidebar-footer {
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    margin-bottom: 0;
    padding: 1rem 1.5rem;
}

.user-name {
    color: white;
    font-weight: 500;
}

.user-role {
    font-size: 0.875rem;
    color: var(--sidebar-text);
}

.btn-logout {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    font-size: 14px;
}

.btn-logout:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

    .page-header.fixed {
        position: sticky;
        top: 0;
        z-index: 100;
        background: var(--sidebar-bg);
        color: white;
        padding: 1.05rem 2rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: 0;
    }

.page-header.fixed .page-title {
    color: white;
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

.page-header.fixed .page-subtitle {
    color: var(--sidebar-text);
    font-size: 0.875rem;
}

.page-title {
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Page Content Wrapper */
.page-content {
    flex: 1;
    padding: 2rem;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

.breadcrumbs span {
    color: var(--text-primary);
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
}

/* Card Tabs */
.card-tabs {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 0; /* Pull tabs down to overlap border */
    transform: translateY(1.25rem); /* Push down to align with bottom border */
}

.card-tab {
    padding: 0 0 0 0;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    font-weight: 500;
    transition: all 0.2s;
    font-size: 0.875rem;
}

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

.card-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-change {
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.stat-change.positive {
    color: var(--success-color);
}

.stat-change.negative {
    color: var(--danger-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.25;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

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

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

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

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-outline-light {
    background-color: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: #ffffff;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
}

.btn-block {
    width: 100%;
}

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

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
    color: #cbd5e1;
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.info-label {
    font-weight: 600;
    color: #666;
    font-size: 0.875rem;
    display: block;
    margin-bottom: 0.5rem;
}

.info-value {
    margin: 0;
    color: var(--text-primary);
}

/* Tables / Data Grid */
.data-grid {
    width: 100%;
    border-collapse: collapse;
}

    .data-grid th,
    .data-grid td {
        padding: 0.875rem;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
        vertical-align: middle;
    }

.data-grid th {
    background-color: var(--background-color);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

.data-grid tbody tr:hover {
    background-color: var(--background-color);
}

.data-grid .actions {
    white-space: nowrap;
}

.data-grid .actions .btn {
    margin-right: 0.5rem;
}

.data-grid .actions .btn:last-child {
    margin-right: 0;
}

.data-grid .actions form {
    display: inline-block;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-badge.active {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--success-color);
}

.status-badge.inactive {
    background-color: rgba(100, 116, 139, 0.1);
    color: var(--secondary-color);
}

.status-badge.pending {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status-badge.admin {
    background-color: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.status-badge.planroom {
    background-color: rgba(59, 130, 246, 0.1);
    color: #2563eb;
}

.status-badge.advertiser {
    background-color: rgba(147, 51, 234, 0.1);
    color: #9333ea;
}

/* Status Toggle */
.status-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.status-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.status-toggle .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: 0.3s;
    border-radius: 24px;
}

.status-toggle .slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.status-toggle input:checked + .slider {
    background-color: var(--success-color);
}

.status-toggle input:checked + .slider:before {
    transform: translateX(20px);
}

/* Modal */
.modal-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-backdrop.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 6px;
    margin-bottom: 1.25rem;
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #166534;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #991b1b;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #92400e;
}

.alert-info {
    background-color: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    color: #1e3a8a;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
}

.pagination-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pagination-buttons {
    display: flex;
    gap: 0.5rem;
}

.pagination-btn {
    padding: 0.5rem 1rem;
    border: 1px solid #cbd5e1;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn:hover:not(:disabled) {
    background-color: #f1f5f9;
    border-color: #94a3b8;
    color: var(--primary-color);
}

.pagination-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: #f8fafc;
    color: #94a3b8;
}

.pagination-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Login Page */
.login-wrapper {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #e8e9eb;
    z-index: -1;
}

.login-container {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    width: 100%;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25),
                0 10px 20px -8px rgba(0, 0, 0, 0.1);
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 0rem;
}

.logo-wrapper {
    margin-bottom: 0rem;
}

.login-logo {
    height: 112px;
    width: auto;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.brand-name {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0.5rem 0 0.5rem 0;
    background: linear-gradient(135deg, #1e293b 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-tagline {
    color: #64748b;
    font-size: 0.95rem;
    margin: 0;
    font-weight: 500;
}

.login-form {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.input-group-icon {
    position: absolute;
    left: 12px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    pointer-events: none;
}

.input-group .form-control {
    padding-left: 2.75rem;
    height: 44px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.input-group .form-control:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

.input-group .form-control::placeholder {
    color: #cbd5e1;
}

.btn-login {
    height: 44px;
    font-size: 0.95rem;
    font-weight: 600;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-login:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

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

.btn-icon {
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.btn-login:hover .btn-icon {
    transform: translateX(2px);
}

.alert {
    padding: 0.875rem 1rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    border: 1px solid;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideDown 0.3s ease-out;
}

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

.alert-danger {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

.alert-danger strong {
    font-weight: 600;
}

.btn-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.btn-close:hover {
    opacity: 1;
}

.field-validation-error {
    display: block;
    color: #dc2626;
    font-size: 0.8125rem;
    margin-top: 0.35rem;
    font-weight: 500;
}

.login-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.login-footer p {
    margin: 0;
    color: #94a3b8;
    font-size: 0.875rem;
}

.text-link {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.text-link:hover {
    color: #2563eb;
    text-decoration: underline;
}

.text-muted {
    color: #94a3b8;
}

.empty-layout {
    margin: 0;
    padding: 0;
    background: #f8fafc;
}

/* Spinner */
.spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

/* Toolbar */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.toolbar-search {
    flex: 1;
    max-width: 400px;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.875rem 1.25rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

/* Validation */
.field-validation-error {
    color: var(--danger-color);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

.input-validation-error {
    border-color: var(--danger-color) !important;
}

/* Empty Layout */
.empty-layout {
    background: linear-gradient(316deg, #d9d9d9 0%, #ffffff 100%);
}

/* HTMX Indicators */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-request.htmx-indicator {
    display: inline-block;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 1rem 1.25rem;
    border-radius: 6px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.3s ease-out;
}

.toast-success {
    background-color: var(--success-color);
    color: white;
}

.toast-error {
    background-color: var(--danger-color);
    color: white;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .main-content {
        margin-left: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}