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

:root {
  --black: #0A0A0A;
  --blue: #1A1AFF;
  --blue-dark: #1010CC;
  --white: #FFFFFF;
  --gray: #888888;
  --card: #111111;
  --sidebar: #0D0D0D;
  --border: #1E1E1E;
  --success: #00c864;
  --warning: #ffaa00;
  --danger: #ff4444;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--black); color: var(--white); min-height: 100vh; }

/* LOGIN PAGE */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--black); position: relative; overflow: hidden; }
.login-page::before { content: 'SA'; position: absolute; font-family: 'Space Grotesk', sans-serif; font-size: 40vw; font-weight: 700; color: rgba(26,26,255,0.03); line-height: 1; pointer-events: none; }
.login-box { background: var(--card); border: 1px solid var(--border); padding: 3rem; width: 100%; max-width: 420px; position: relative; z-index: 1; }
.login-logo { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 2rem; }
.login-logo img { height: 32px; }
.login-logo span { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; }
.login-title { font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; margin-bottom: 0.3rem; }
.login-sub { color: var(--gray); font-size: 0.85rem; margin-bottom: 2rem; }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray); margin-bottom: 0.4rem; }
.form-group input { width: 100%; background: var(--black); border: 1px solid var(--border); color: var(--white); padding: 0.85rem 1rem; font-size: 0.9rem; font-family: 'Inter', sans-serif; outline: none; transition: border-color 0.2s; border-radius: 2px; }
.form-group input:focus { border-color: var(--blue); }
.btn-login { width: 100%; background: var(--blue); color: var(--white); border: none; padding: 0.9rem; font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; cursor: pointer; transition: background 0.2s; margin-top: 0.5rem; }
.btn-login:hover { background: #3333ff; }
.alert { padding: 0.9rem 1rem; margin-bottom: 1rem; font-size: 0.85rem; border-radius: 2px; }
.alert-error { background: rgba(255,68,68,0.1); border: 1px solid rgba(255,68,68,0.3); color: #ff6666; }
.alert-success { background: rgba(0,200,100,0.1); border: 1px solid rgba(0,200,100,0.3); color: #00c864; }

/* ADMIN LAYOUT */
.admin-layout { display: flex; min-height: 100vh; }

/* SIDEBAR */
.sidebar { width: 260px; background: var(--sidebar); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 100; }
.sidebar-header { padding: 1.5rem; border-bottom: 1px solid var(--border); }
.sidebar-logo { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--white); }
.sidebar-logo img { height: 28px; }
.sidebar-logo span { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1rem; }
.sidebar-badge { font-size: 0.65rem; color: var(--gray); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 0.2rem; margin-left: calc(28px + 0.6rem); }
.sidebar-nav { flex: 1; padding: 1.5rem 0; overflow-y: auto; }
.nav-section { margin-bottom: 1.5rem; }
.nav-section-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--gray); padding: 0 1.5rem; margin-bottom: 0.5rem; }
.sidebar-link { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1.5rem; color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.87rem; transition: all 0.2s; border-left: 2px solid transparent; }
.sidebar-link:hover { color: var(--white); background: rgba(255,255,255,0.03); }
.sidebar-link.active { color: var(--white); background: rgba(26,26,255,0.1); border-left-color: var(--blue); }
.sidebar-link .icon { font-size: 1rem; width: 20px; text-align: center; }
.sidebar-link .badge { margin-left: auto; background: var(--blue); color: var(--white); font-size: 0.65rem; padding: 0.15rem 0.5rem; border-radius: 100px; }
.sidebar-footer { padding: 1.5rem; border-top: 1px solid var(--border); }
.user-info { display: flex; align-items: center; gap: 0.8rem; }
.user-avatar { width: 36px; height: 36px; background: rgba(26,26,255,0.2); border: 1px solid rgba(26,26,255,0.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'Space Grotesk', sans-serif; font-weight: 700; color: var(--blue); font-size: 0.9rem; }
.user-name { font-size: 0.87rem; font-weight: 600; }
.user-role { font-size: 0.72rem; color: var(--gray); }
.logout-btn { margin-left: auto; color: var(--gray); font-size: 0.8rem; text-decoration: none; transition: color 0.2s; }
.logout-btn:hover { color: var(--danger); }

/* MAIN CONTENT */
.admin-main { margin-left: 260px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.admin-topbar { padding: 1.2rem 2rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; background: var(--black); position: sticky; top: 0; z-index: 50; }
.topbar-title h1 { font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; }
.topbar-title p { color: var(--gray); font-size: 0.8rem; margin-top: 0.1rem; }
.topbar-actions { display: flex; align-items: center; gap: 1rem; }
.admin-content { padding: 2rem; flex: 1; }

/* STATS CARDS */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--card); border: 1px solid var(--border); padding: 1.5rem; position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--blue); }
.stat-card .stat-icon { font-size: 1.5rem; margin-bottom: 1rem; }
.stat-card .stat-val { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; line-height: 1; margin-bottom: 0.3rem; }
.stat-card .stat-label { font-size: 0.78rem; color: var(--gray); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card .stat-change { position: absolute; top: 1.5rem; right: 1.5rem; font-size: 0.75rem; font-weight: 600; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* TABLES */
.admin-table-wrap { background: var(--card); border: 1px solid var(--border); overflow: hidden; }
.table-header { padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.table-title { font-family: 'Space Grotesk', sans-serif; font-size: 1rem; font-weight: 600; }
.table-search { display: flex; gap: 0.5rem; }
.table-search input { background: var(--black); border: 1px solid var(--border); color: var(--white); padding: 0.5rem 1rem; font-size: 0.82rem; outline: none; border-radius: 2px; width: 200px; font-family: 'Inter', sans-serif; }
.table-search input:focus { border-color: var(--blue); }
table { width: 100%; border-collapse: collapse; }
thead { border-bottom: 1px solid var(--border); }
th { padding: 0.8rem 1.5rem; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray); text-align: left; font-weight: 500; }
td { padding: 1rem 1.5rem; font-size: 0.87rem; border-bottom: 1px solid rgba(30,30,30,0.5); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* BADGES */
.badge { display: inline-block; padding: 0.25rem 0.6rem; border-radius: 100px; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.badge-pending { background: rgba(255,170,0,0.15); color: var(--warning); }
.badge-approved { background: rgba(0,200,100,0.15); color: var(--success); }
.badge-rejected { background: rgba(255,68,68,0.15); color: var(--danger); }
.badge-new { background: rgba(26,26,255,0.15); color: var(--blue); }
.badge-sent { background: rgba(255,255,255,0.1); color: var(--gray); }
.badge-read { background: rgba(0,200,100,0.1); color: var(--success); }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.6rem 1.2rem; border-radius: 2px; font-family: 'Space Grotesk', sans-serif; font-size: 0.82rem; font-weight: 600; cursor: pointer; border: none; text-decoration: none; transition: all 0.2s; letter-spacing: 0.03em; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.75rem; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: #3333ff; }
.btn-success { background: rgba(0,200,100,0.1); color: var(--success); border: 1px solid rgba(0,200,100,0.3); }
.btn-danger { background: rgba(255,68,68,0.1); color: var(--danger); border: 1px solid rgba(255,68,68,0.3); }
.btn-outline { background: transparent; color: rgba(255,255,255,0.6); border: 1px solid var(--border); }
.btn-outline:hover { border-color: rgba(255,255,255,0.3); color: var(--white); }

/* FORMS */
.admin-form { display: flex; flex-direction: column; gap: 1.2rem; }
.admin-form label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray); display: block; margin-bottom: 0.4rem; }
.admin-form input, .admin-form textarea, .admin-form select { width: 100%; background: var(--black); border: 1px solid var(--border); color: var(--white); padding: 0.8rem 1rem; font-size: 0.87rem; font-family: 'Inter', sans-serif; outline: none; border-radius: 2px; transition: border-color 0.2s; }
.admin-form input:focus, .admin-form textarea:focus, .admin-form select:focus { border-color: var(--blue); }
.admin-form textarea { resize: vertical; min-height: 120px; }
.admin-form select option { background: var(--card); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* MODAL */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 500; display: none; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--card); border: 1px solid var(--border); width: 90%; max-width: 600px; max-height: 90vh; overflow-y: auto; }
.modal-header { padding: 1.5rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-family: 'Space Grotesk', sans-serif; font-size: 1.1rem; }
.modal-close { background: none; border: none; color: var(--gray); cursor: pointer; font-size: 1.2rem; transition: color 0.2s; }
.modal-close:hover { color: var(--white); }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 0.8rem; }

/* CARDS */
.admin-card { background: var(--card); border: 1px solid var(--border); padding: 1.5rem; }
.admin-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.admin-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* PAGINATION */
.pagination { display: flex; gap: 0.3rem; align-items: center; padding: 1rem 1.5rem; border-top: 1px solid var(--border); }
.page-btn { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); background: transparent; color: var(--gray); font-size: 0.82rem; cursor: pointer; transition: all 0.2s; text-decoration: none; border-radius: 2px; }
.page-btn:hover, .page-btn.active { background: var(--blue); border-color: var(--blue); color: var(--white); }

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
  .sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
}