/* ============================================================
   Video Delivery & Payment Tracking System — app.css
   Modern dark sidebar admin UI + clean client panel
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Variables ──────────────────────────────────────────── */
:root {
  --sidebar-w:     240px;
  --sidebar-bg:    #0f1117;
  --sidebar-hover: #1e2130;
  --sidebar-active:#6366f1;
  --accent:        #6366f1;
  --accent-soft:   rgba(99,102,241,.15);
  --accent2:       #22d3ee;
  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --body-bg:       #f1f5f9;
  --card-bg:       #ffffff;
  --text-primary:  #0f172a;
  --text-muted:    #64748b;
  --border:        #e2e8f0;
  --radius:        12px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.14);
  --transition:    .2s ease;
}

/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--body-bg);
  color: var(--text-primary);
  min-height: 100%;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent); opacity: .85; }

/* ── Admin Layout ───────────────────────────────────────── */
.admin-wrapper   { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  transition: transform var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.sidebar-brand .brand-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.sidebar-brand .brand-name {
  font-size: .8rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}
.sidebar-brand .brand-sub {
  font-size: .65rem;
  color: rgba(255,255,255,.4);
}

.sidebar-nav { padding: 12px 0; flex: 1; }
.nav-section-label {
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: rgba(255,255,255,.25);
  padding: 14px 20px 6px;
  text-transform: uppercase;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,.65);
  font-size: .85rem;
  font-weight: 500;
  border-radius: 0;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover {
  background: var(--sidebar-hover);
  color: #fff;
  opacity: 1;
}
.sidebar-nav a.active {
  background: var(--accent-soft);
  color: #a5b4fc;
  border-left-color: var(--accent);
}
.sidebar-nav a .nav-icon { width: 18px; text-align: center; font-size: .95rem; }

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.sidebar-footer a {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,.45);
  font-size: .82rem;
  padding: 8px 10px;
  border-radius: 8px;
  transition: all var(--transition);
}
.sidebar-footer a:hover { background: rgba(239,68,68,.15); color: #fca5a5; opacity: 1; }

/* Main content */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Topbar */
.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}
.topbar-title { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.topbar-user  {
  display: flex; align-items: center; gap: 10px;
  font-size: .84rem; color: var(--text-muted);
}
.topbar-avatar {
  width: 34px; height: 34px;
  background: var(--accent-soft);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: .9rem;
  color: var(--accent);
}

/* Page body */
.page-body { padding: 28px; flex: 1; }

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.card-header-custom {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.card-header-custom h5 { font-size: .95rem; font-weight: 600; margin: 0; }
.card-body-custom { padding: 22px; }

/* ── Stat Cards ─────────────────────────────────────────── */
.stat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 28px; }
.stat-cards.stat-cards-4 { grid-template-columns: repeat(4, 1fr); }
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, var(--accent));
}
.stat-card .stat-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 14px;
  background: var(--card-accent-soft, var(--accent-soft));
  color: var(--card-accent, var(--accent));
}
.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.stat-card .stat-label { font-size: .78rem; color: var(--text-muted); font-weight: 500; }

/* Color variants */
.stat-success { --card-accent: var(--success); --card-accent-soft: rgba(16,185,129,.12); }
.stat-warning { --card-accent: var(--warning); --card-accent-soft: rgba(245,158,11,.12); }
.stat-danger  { --card-accent: var(--danger);  --card-accent-soft: rgba(239,68,68,.12); }
.stat-cyan    { --card-accent: var(--accent2); --card-accent-soft: rgba(34,211,238,.12); }

/* ── Tables ─────────────────────────────────────────────── */
.table-card { border-radius: var(--radius); overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.table { margin: 0; }
.table th {
  background: #f8fafc;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border) !important;
  padding: 12px 16px !important;
}
.table td { padding: 13px 16px !important; vertical-align: middle; font-size: .875rem; border-color: var(--border) !important; }
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background: #f8fafc; }

/* ── Badges ─────────────────────────────────────────────── */
.badge-status {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 20px;
  font-size: .72rem; font-weight: 600;
}
.badge-active  { background: rgba(16,185,129,.12); color: #059669; }
.badge-inactive{ background: rgba(100,116,139,.12); color: #64748b; }
.badge-pending { background: rgba(245,158,11,.12);  color: #b45309; }
.badge-paid    { background: rgba(16,185,129,.12);  color: #059669; }

/* ── Buttons ────────────────────────────────────────────── */
.btn { border-radius: 8px !important; font-weight: 500 !important; font-size: .85rem !important; padding: .45rem 1rem !important; transition: all var(--transition) !important; }
.btn-primary   { background: var(--accent) !important; border-color: var(--accent) !important; }
.btn-primary:hover { background: #4f46e5 !important; border-color: #4f46e5 !important; box-shadow: 0 4px 12px rgba(99,102,241,.35) !important; }
.btn-success   { background: var(--success) !important; border-color: var(--success) !important; }
.btn-success:hover { box-shadow: 0 4px 12px rgba(16,185,129,.35) !important; }
.btn-sm        { padding: .3rem .7rem !important; font-size: .78rem !important; }
.btn-outline-primary { border-color: var(--accent) !important; color: var(--accent) !important; }
.btn-outline-primary:hover { background: var(--accent) !important; color: #fff !important; }

/* ── Forms ──────────────────────────────────────────────── */
.form-control, .form-select {
  border-radius: 8px !important;
  border-color: var(--border) !important;
  font-size: .875rem !important;
  padding: .5rem .85rem !important;
  transition: all var(--transition) !important;
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,.15) !important;
}
.form-label { font-weight: 500; font-size: .84rem; margin-bottom: .35rem; }
.invalid-feedback { font-size: .78rem; }

/* ── Filter Bar ─────────────────────────────────────────── */
.filter-bar {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.filter-bar .row { align-items: flex-end; }

/* ── Date Range Pills ───────────────────────────────────── */
.range-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.range-pill {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 500;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.range-pill:hover, .range-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  opacity: 1;
}

/* ── Alerts ─────────────────────────────────────────────── */
.alert { border-radius: var(--radius) !important; border: none !important; font-size: .875rem; }
.alert-success { background: rgba(16,185,129,.1) !important;  color: #065f46 !important; }
.alert-danger  { background: rgba(239,68,68,.1) !important;   color: #991b1b !important; }
.alert-warning { background: rgba(245,158,11,.1) !important;  color: #78350f !important; }
.alert-info    { background: rgba(99,102,241,.1) !important;  color: #312e81 !important; }

/* ── Pagination ─────────────────────────────────────────── */
.page-link { border-radius: 6px !important; margin: 0 2px; border: 1px solid var(--border) !important; color: var(--text-muted) !important; font-size: .82rem !important; }
.page-item.active .page-link { background: var(--accent) !important; border-color: var(--accent) !important; color: #fff !important; }
.page-link:hover { background: var(--accent-soft) !important; color: var(--accent) !important; }

/* ── Login Page ─────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-page.admin-login-page {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f0fdf4 100%);
}
.login-page.client-login-page {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f0fdf4 100%);
}
.login-card {
  background: var(--card-bg);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 44px 40px;
  width: 100%;
  max-width: 420px;
}
.login-logo {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 20px;
}
.login-title { font-size: 1.4rem; font-weight: 700; text-align: center; margin-bottom: 6px; }
.login-sub   { font-size: .84rem; text-align: center; color: var(--text-muted); margin-bottom: 28px; }

/* ── Client Dashboard ───────────────────────────────────── */
.client-header {
  background: #0f172a;
  color: #fff;
  padding: 0 28px;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
.client-header .brand   { font-weight: 700; font-size: 1.05rem; }
.client-header .client-name { font-size: .85rem; opacity: .85; }
.client-header .logout-btn {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  padding: 6px 16px;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 500;
  transition: all var(--transition);
}
.client-header .logout-btn:hover { background: rgba(255,255,255,.25); opacity: 1; }

.client-body { padding: 28px; flex: 1; }

/* ── Pending Amount Banner ──────────────────────────────── */
.pending-banner {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border: 1px solid #f59e0b;
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.pending-banner .banner-icon { font-size: 2.2rem; }
.pending-banner .banner-amount { font-size: 2rem; font-weight: 700; color: #92400e; }
.pending-banner .banner-label { font-size: .85rem; color: #78350f; font-weight: 500; }

/* ── Utility ────────────────────────────────────────────── */
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger)  !important; }
.text-warning { color: var(--warning) !important; }
.text-accent  { color: var(--accent)  !important; }
.fw-600 { font-weight: 600; }
.page-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 22px; }

/* ── Checkbox in payment table ──────────────────────────── */
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .stat-cards { grid-template-columns: 1fr !important; }
  .login-card { padding: 28px 22px; }
  
  /* Client Dashboard specific */
  .client-header { padding: 0 16px; }
  .client-header .brand { font-size: 0.9rem; }
  .client-header .client-name { font-size: 0.75rem; }
  .client-header .logout-btn { padding: 6px 12px; font-size: 0.75rem; }
  .client-body { padding: 16px; }
  
  .pending-banner { 
    padding: 18px; 
    flex-direction: column; 
    text-align: center; 
    gap: 12px; 
  }
  .pending-banner .banner-amount { font-size: 1.6rem; }

  .stat-card { text-align: center; }
  .stat-card .stat-icon { margin-left: auto; margin-right: auto; }

  /* Admin layout specifics */
  .topbar-user { display: none !important; }
  .topbar { padding: 0 16px; }
  .page-body { padding: 16px; }
  
  .card-header-custom { padding: 14px 16px; flex-direction: column; align-items: flex-start; gap: 10px; }
  .card-header-custom > div, .card-header-custom > span { align-self: flex-start; }
  .card-body-custom { padding: 16px; }
  
  .filter-bar { padding: 14px 16px; }
  .filter-bar form { flex-direction: column; align-items: stretch !important; }
  .filter-bar .row { flex-direction: column; }
  .filter-bar .row > div { width: 100%; margin-bottom: 12px; }
  .filter-bar .row > div:last-child { margin-bottom: 0; }
  
  .range-pills { justify-content: flex-start; }
}