/* StoryKeeper Design System - matching React mockup */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #DBEAFE;
    --slate-50: #F8FAFC;
    --slate-100: #F1F5F9;
    --slate-200: #E2E8F0;
    --slate-300: #CBD5E1;
    --slate-400: #94A3B8;
    --slate-500: #64748B;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1E293B;
    --slate-900: #0F172A;
    --emerald-50: #ECFDF5;
    --emerald-600: #059669;
    --emerald-700: #047857;
    --amber-50: #FFFBEB;
    --amber-600: #D97706;
    --amber-700: #B45309;
    --red-50: #FEF2F2;
    --red-600: #DC2626;
    --red-700: #B91C1C;
    --purple-50: #FAF5FF;
    --purple-700: #7C3AED;
    --blue-50: #EFF6FF;
    --blue-700: #1D4ED8;
}

body { font-family: 'Inter', system-ui, sans-serif; background: var(--slate-50); color: var(--slate-900); -webkit-font-smoothing: antialiased; }

/* Layout */
.app-layout { display: flex; height: 100vh; overflow: hidden; }
.sidebar { width: 240px; background: var(--slate-900); color: white; display: flex; flex-direction: column; flex-shrink: 0; }
.sidebar-header { height: 64px; display: flex; align-items: center; padding: 0 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-header span { font-size: 18px; font-weight: 700; letter-spacing: -0.5px; }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.sidebar-divider { margin: 8px 12px; border-top: 1px solid rgba(255,255,255,0.1); }

.nav-item { display: flex; align-items: center; gap: 12px; padding: 10px 16px; margin: 2px 8px; border-radius: 8px; color: #CBD5E1; text-decoration: none; font-size: 14px; transition: all 0.15s; cursor: pointer; }
.nav-item:hover { background: rgba(255,255,255,0.08); color: white; }
.nav-item.active { background: var(--primary); color: white; font-weight: 500; }
.nav-icon { width: 20px; text-align: center; flex-shrink: 0; }

.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.top-bar { height: 64px; background: white; border-bottom: 1px solid var(--slate-200); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; flex-shrink: 0; }
.top-bar-search { display: flex; align-items: center; gap: 8px; color: var(--slate-400); }
.top-bar-search input { border: none; outline: none; font-size: 14px; color: var(--slate-700); background: transparent; width: 300px; }
.top-bar-user { display: flex; align-items: center; gap: 12px; }
.user-avatar { width: 36px; height: 36px; background: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 14px; font-weight: 600; }
.user-info { text-align: right; }
.user-name { font-size: 14px; font-weight: 500; color: var(--slate-700); }
.user-role { font-size: 12px; color: var(--slate-500); }

.page-content { flex: 1; overflow-y: auto; padding: 24px; }

/* Cards */
.card { background: white; border-radius: 12px; border: 1px solid var(--slate-200); box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
.card-body { padding: 24px; }

/* KPI Cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi-card { padding: 20px; }
.kpi-label { font-size: 13px; color: var(--slate-500); font-weight: 500; }
.kpi-value { font-size: 28px; font-weight: 700; color: var(--slate-900); margin-top: 4px; }
.kpi-change { display: inline-block; font-size: 12px; font-weight: 500; padding: 2px 8px; border-radius: 12px; margin-top: 8px; }
.kpi-change.positive { background: var(--emerald-50); color: var(--emerald-700); }
.kpi-change.negative { background: var(--red-50); color: var(--red-700); }
.kpi-change.neutral { background: var(--slate-100); color: var(--slate-600); }

/* Page Header */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; }
.page-title { font-size: 24px; font-weight: 700; color: var(--slate-900); }
.page-subtitle { font-size: 14px; color: var(--slate-500); margin-top: 4px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 8px; font-size: 14px; font-weight: 500; border: none; cursor: pointer; transition: all 0.15s; text-decoration: none; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: white; color: var(--slate-700); border: 1px solid var(--slate-300); }
.btn-secondary:hover { background: var(--slate-50); }
.btn-danger { background: var(--red-600); color: white; }
.btn-ghost { background: transparent; color: var(--slate-600); }
.btn-ghost:hover { background: var(--slate-100); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* Badges */
.badge { display: inline-flex; align-items: center; padding: 2px 10px; border-radius: 12px; font-size: 12px; font-weight: 500; border: 1px solid; }
.badge-paid, .badge-active, .badge-completed { background: var(--emerald-50); color: var(--emerald-700); border-color: #A7F3D0; }
.badge-unpaid, .badge-pending { background: var(--amber-50); color: var(--amber-700); border-color: #FDE68A; }
.badge-overdue, .badge-cancelled { background: var(--red-50); color: var(--red-700); border-color: #FECACA; }
.badge-confirmed { background: var(--blue-50); color: var(--blue-700); border-color: #BFDBFE; }
.badge-inprogress { background: var(--purple-50); color: var(--purple-700); border-color: #DDD6FE; }
.badge-inactive { background: var(--slate-100); color: var(--slate-600); border-color: var(--slate-200); }

/* Data Table */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th { text-align: left; padding: 12px 16px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--slate-500); border-bottom: 1px solid var(--slate-200); }
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--slate-100); color: var(--slate-700); }
.data-table tr.clickable { cursor: pointer; transition: background 0.1s; }
.data-table tr.clickable:hover { background: var(--blue-50); }
.cell-primary { font-weight: 600; color: var(--slate-900); }
.cell-secondary { font-size: 12px; color: var(--slate-500); }
.cell-link { color: var(--primary); font-weight: 600; }
.cell-amount { font-weight: 600; }

/* Search */
.search-bar { display: flex; align-items: center; gap: 8px; padding: 8px 12px; margin-bottom: 16px; }
.search-bar input { border: none; outline: none; font-size: 14px; color: var(--slate-700); background: transparent; flex: 1; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--slate-700); margin-bottom: 6px; }
.form-label .required { color: var(--red-600); margin-left: 2px; }
.form-control { width: 100%; padding: 8px 12px; font-size: 14px; border: 1px solid var(--slate-300); border-radius: 8px; outline: none; transition: all 0.15s; background: white; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }
select.form-control { appearance: auto; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }

/* Section headers */
.section-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--slate-500); margin-bottom: 12px; }
.section-heading { font-size: 18px; font-weight: 600; color: var(--slate-900); margin-bottom: 16px; }

/* Detail page */
.detail-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.detail-header .back-btn { padding: 8px; color: var(--slate-400); cursor: pointer; border-radius: 8px; transition: all 0.15s; }
.detail-header .back-btn:hover { color: var(--slate-600); background: var(--slate-100); }
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
.detail-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--slate-100); font-size: 14px; }
.detail-row-label { color: var(--slate-500); }
.detail-row-value { color: var(--slate-700); font-weight: 500; }

/* Invoice detail */
.invoice-items-table { width: 100%; font-size: 14px; border-collapse: collapse; margin: 16px 0; }
.invoice-items-table th { text-align: left; padding: 12px 8px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--slate-500); border-bottom: 1px solid var(--slate-200); }
.invoice-items-table td { padding: 12px 8px; border-bottom: 1px solid var(--slate-100); }
.invoice-totals { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; margin-top: 16px; }
.invoice-total-row { display: flex; justify-content: space-between; width: 240px; font-size: 14px; }
.invoice-total-row.grand { font-size: 16px; font-weight: 700; border-top: 1px solid var(--slate-200); padding-top: 8px; }

/* Activity feed */
.activity-item { display: flex; gap: 12px; padding: 8px 0; }
.activity-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); margin-top: 7px; flex-shrink: 0; }
.activity-message { font-size: 14px; color: var(--slate-700); }
.activity-time { font-size: 12px; color: var(--slate-400); margin-top: 2px; }

/* Appointment list */
.appt-date-badge { width: 52px; padding: 4px 8px; background: var(--primary-light); border-radius: 8px; text-align: center; flex-shrink: 0; }
.appt-date-day { font-size: 18px; font-weight: 700; color: var(--primary); }
.appt-date-month { font-size: 10px; color: var(--primary); }

/* Placeholder */
.placeholder-page { display: flex; align-items: center; justify-content: center; min-height: 60vh; }
.placeholder-card { text-align: center; max-width: 400px; }
.placeholder-icon { font-size: 48px; margin-bottom: 16px; }
.placeholder-badge { display: inline-flex; padding: 6px 16px; background: var(--amber-50); color: var(--amber-700); border-radius: 12px; font-size: 12px; font-weight: 500; border: 1px solid #FDE68A; }

/* Utility */
.text-primary { color: var(--primary) !important; }
.text-red { color: var(--red-600) !important; }
.text-emerald { color: var(--emerald-600) !important; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.text-slate-500 { color: var(--slate-500); }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.gap-4 { gap: 16px; }
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.clickable { cursor: pointer; }

/* Login Page */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, var(--slate-900) 0%, var(--slate-800) 100%); }
.login-card { background: white; border-radius: 16px; padding: 40px; width: 100%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.login-header { text-align: center; margin-bottom: 32px; }
.login-logo { width: 56px; height: 56px; background: var(--primary); border-radius: 14px; display: flex; align-items: center; justify-content: center; color: white; font-size: 22px; font-weight: 700; margin: 0 auto 16px; }
.login-title { font-size: 24px; font-weight: 700; color: var(--slate-900); margin-bottom: 4px; }
.login-subtitle { font-size: 14px; color: var(--slate-500); }
.login-error { background: var(--red-50); color: var(--red-700); padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; border: 1px solid #FECACA; }
.login-btn { width: 100%; justify-content: center; padding: 12px; font-size: 15px; margin-top: 8px; }
.login-hint { text-align: center; font-size: 12px; color: var(--slate-400); margin-top: 16px; }

/* Report Tabs */
.report-tab { padding: 10px 20px; font-size: 14px; font-weight: 500; border: none; background: transparent; color: var(--slate-500); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all 0.15s; }
.report-tab:hover { color: var(--slate-700); border-bottom-color: var(--slate-300); }
.report-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Search Dropdown */
.search-dropdown { position: absolute; top: 100%; left: 0; right: 0; background: white; border: 1px solid var(--slate-200); border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,0.12); z-index: 50; margin-top: 8px; max-height: 400px; overflow-y: auto; }
.search-result { display: flex; align-items: center; gap: 12px; padding: 10px 14px; cursor: pointer; transition: background 0.1s; }
.search-result:hover { background: var(--blue-50); }
.search-result-type { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--primary); background: var(--primary-light); padding: 2px 8px; border-radius: 4px; flex-shrink: 0; }
.search-result-text { font-size: 14px; font-weight: 500; color: var(--slate-900); }
.search-result-sub { font-size: 12px; color: var(--slate-500); margin-left: auto; }

/* Theme Toggle */
.theme-toggle { background: transparent; border: 1px solid var(--slate-200); border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 16px; transition: all 0.15s; }
.theme-toggle:hover { background: var(--slate-100); }

/* Dark Mode */
[data-theme="dark"] { --slate-50: #0F172A; --slate-100: #1E293B; --slate-200: #334155; --slate-300: #475569; --slate-400: #64748B; --slate-500: #94A3B8; --slate-600: #CBD5E1; --slate-700: #E2E8F0; --slate-800: #F1F5F9; --slate-900: #F8FAFC; }
[data-theme="dark"] body { background: #0F172A; color: #F8FAFC; }
[data-theme="dark"] .card { background: #1E293B; border-color: #334155; }
[data-theme="dark"] .top-bar { background: #1E293B; border-color: #334155; }
[data-theme="dark"] .data-table th { color: #94A3B8; border-color: #334155; }
[data-theme="dark"] .data-table td { color: #E2E8F0; border-color: #1E293B; }
[data-theme="dark"] .data-table tr.clickable:hover { background: rgba(59,130,246,0.1); }
[data-theme="dark"] .form-control { background: #0F172A; border-color: #334155; color: #F8FAFC; }
[data-theme="dark"] .search-dropdown { background: #1E293B; border-color: #334155; }
[data-theme="dark"] .search-result:hover { background: rgba(59,130,246,0.1); }

/* Toast Notifications */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 10px; font-size: 14px; font-weight: 500; min-width: 260px; max-width: 400px; box-shadow: 0 8px 24px rgba(0,0,0,0.15); pointer-events: all; animation: toast-in 0.25s ease; }
.toast-success { background: var(--emerald-700); color: white; }
.toast-error   { background: var(--red-600); color: white; }
.toast-warning { background: var(--amber-600); color: white; }
.toast-info    { background: var(--primary); color: white; }
.toast-icon { font-size: 16px; flex-shrink: 0; }
.toast-text { flex: 1; }
.toast-close { background: transparent; border: none; color: rgba(255,255,255,0.7); cursor: pointer; font-size: 14px; padding: 0 2px; line-height: 1; flex-shrink: 0; }
.toast-close:hover { color: white; }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* Loading Spinner */
.loading-spinner-wrap { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 0; gap: 12px; }
.loading-spinner { width: 36px; height: 36px; border: 3px solid var(--slate-200); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.7s linear infinite; }
.loading-text { font-size: 14px; color: var(--slate-500); }
@keyframes spin { to { transform: rotate(360deg); } }

/* Pager */
.pager { display: flex; align-items: center; gap: 4px; padding: 16px 0 4px; flex-wrap: wrap; }
.pager-btn { min-width: 32px; height: 32px; padding: 0 8px; border: 1px solid var(--slate-200); border-radius: 6px; background: var(--surface); color: var(--text-primary); font-size: 13px; cursor: pointer; transition: all 0.15s; }
.pager-btn:hover:not(:disabled) { background: var(--slate-100); border-color: var(--slate-300); }
.pager-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 600; }
.pager-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pager-ellipsis { padding: 0 4px; color: var(--slate-400); font-size: 13px; }
.pager-info { margin-left: 8px; font-size: 12px; color: var(--slate-500); }

/* Skeleton loader */
.skeleton { background: linear-gradient(90deg, var(--slate-200) 25%, var(--slate-100) 50%, var(--slate-200) 75%); background-size: 200% 100%; animation: skeleton-shimmer 1.2s ease-in-out infinite; border-radius: 4px; }
@keyframes skeleton-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-header span, .nav-item span { display: none; }
    .form-grid, .detail-grid, .grid-2col { grid-template-columns: 1fr; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}