/* ============================================
   ICAC 2026 Admin Dashboard CSS
   ============================================ */
:root {
  --bg: #060F1C;
  --bg2: #0A192F;
  --sidebar-w: 240px;
  --accent: #38BDF8;
  --accent2: #818CF8;
  --gold: #F59E0B;
  --green: #34D399;
  --red: #F87171;
  --text: #E2E8F0;
  --text2: #94A3B8;
  --border: rgba(255,255,255,0.07);
  --card: rgba(255,255,255,0.04);
  --card-hover: rgba(255,255,255,0.07);
  --r: 12px;
  --font: 'Inter', sans-serif;
  --font2: 'Outfit', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; }
a { text-decoration: none; }
::-webkit-scrollbar { width: 5px; } ::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ===== LOGIN ===== */
.login-screen {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 30% 40%, rgba(56,189,248,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(129,140,248,0.06) 0%, transparent 50%), var(--bg);
}
.login-box {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 40px;
  width: 100%; max-width: 420px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-bec-logo { width: 72px; height: 72px; object-fit: contain; border-radius: 50%; margin-bottom: 12px; filter: drop-shadow(0 4px 16px rgba(56,189,248,0.4)); }
.login-title { font-family: var(--font2); font-size: 2rem; font-weight: 800; color: #fff; }
.login-title span { background: linear-gradient(135deg,#38BDF8,#818CF8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.login-subtitle { font-size: 0.85rem; color: var(--text2); letter-spacing: 1px; text-transform: uppercase; margin-top: 4px; }
.admin-label { display: block; font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text2); margin-bottom: 8px; }
.admin-input {
  width: 100%; padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
  font-size: 0.95rem; font-family: var(--font);
  transition: all 0.3s;
}
.admin-input:focus { outline: none; border-color: rgba(56,189,248,0.5); background: rgba(255,255,255,0.08); box-shadow: 0 0 0 3px rgba(56,189,248,0.1); }
.admin-input::placeholder { color: rgba(255,255,255,0.2); }
.input-with-eye { position: relative; }
.input-with-eye .admin-input { padding-right: 44px; }
.eye-btn { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); background: transparent; border: none; color: var(--text2); cursor: pointer; font-size: 1rem; }
.btn-admin-login {
  width: 100%; padding: 13px;
  background: linear-gradient(135deg,#38BDF8,#818CF8);
  border: none; border-radius: 50px; color: #fff;
  font-family: var(--font2); font-weight: 700; font-size: 1rem;
  cursor: pointer; transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(56,189,248,0.3);
}
.btn-admin-login:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(56,189,248,0.5); }
.login-error { color: var(--red); font-size: 0.85rem; text-align: center; margin-top: 12px; display: none; }
.login-hint { text-align: center; margin-top: 16px; font-size: 0.78rem; color: rgba(255,255,255,0.25); }

/* ===== DASHBOARD LAYOUT ===== */
.dashboard { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: rgba(6,15,28,0.95);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform 0.3s ease;
}
.sidebar.closed { transform: translateX(calc(-1 * var(--sidebar-w))); }
.sidebar-logo {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-bec-logo { width: 40px; height: 40px; border-radius: 50%; object-fit: contain; filter: drop-shadow(0 2px 8px rgba(56,189,248,0.3)); }
.sidebar-title { font-family: var(--font2); font-weight: 800; font-size: 1rem; color: #fff; line-height: 1.1; }
.sidebar-sub { font-size: 0.65rem; color: var(--text2); letter-spacing: 0.5px; }
.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.sidebar-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: 10px;
  color: var(--text2); font-size: 0.9rem; font-weight: 500;
  transition: all 0.25s;
}
.sidebar-link i { font-size: 1rem; flex-shrink: 0; }
.sidebar-link:hover { background: var(--card-hover); color: var(--text); }
.sidebar-link.active { background: rgba(56,189,248,0.1); color: var(--accent); border: 1px solid rgba(56,189,248,0.15); }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--border); }
.btn-logout {
  width: 100%; padding: 10px; background: rgba(248,113,113,0.08);
  border: 1px solid rgba(248,113,113,0.2); border-radius: 10px;
  color: var(--red); font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: all 0.25s;
  display: flex; align-items: center; justify-content: center;
}
.btn-logout:hover { background: rgba(248,113,113,0.15); }

/* Main */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1; min-height: 100vh;
  display: flex; flex-direction: column;
  transition: margin-left 0.3s;
}
.main-content.expanded { margin-left: 0; }

/* Topbar */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 28px;
  background: rgba(6,15,28,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.sidebar-toggle { background: transparent; border: 1px solid var(--border); border-radius: 8px; color: var(--text2); font-size: 1.2rem; width: 38px; height: 38px; cursor: pointer; display: none; align-items: center; justify-content: center; }
.topbar-title { font-family: var(--font2); font-size: 1.1rem; font-weight: 700; color: var(--text); flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.admin-badge { background: rgba(56,189,248,0.1); border: 1px solid rgba(56,189,248,0.2); border-radius: 50px; padding: 4px 14px; font-size: 0.78rem; font-weight: 600; color: var(--accent); }
.topbar-time { font-size: 0.82rem; color: var(--text2); }

/* Panels */
.main-content > .panel { flex: 1; padding: 28px; display: none; }
.main-content > .panel.active { display: block; }

/* Stat cards */
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 22px 20px;
  transition: all 0.3s;
}
.stat-card:hover { background: var(--card-hover); border-color: rgba(56,189,248,0.2); transform: translateY(-3px); }
.stat-card-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; margin-bottom: 14px; }
.stat-card-num { font-family: var(--font2); font-size: 2rem; font-weight: 800; color: var(--text); line-height: 1; margin-bottom: 6px; }
.stat-card-label { font-size: 0.82rem; color: var(--text2); }

/* Panel card */
.panel-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 22px 24px; }
.panel-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.panel-card-header h6 { font-family: var(--font2); font-size: 0.95rem; font-weight: 700; margin: 0; color: var(--text); display: flex; align-items: center; }
.view-all { font-size: 0.8rem; color: var(--accent); }

/* Category bars */
.category-breakdown { display: flex; flex-direction: column; gap: 16px; margin-top: 20px; }
.cat-bar-item { display: flex; align-items: center; gap: 12px; }
.cat-bar-label { width: 120px; font-size: 0.82rem; color: var(--text2); display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.cat-bar-track { flex: 1; height: 8px; background: rgba(255,255,255,0.06); border-radius: 4px; overflow: hidden; }
.cat-bar-fill { height: 100%; border-radius: 4px; transition: width 1s ease; }
.cat-bar-fill.student { background: linear-gradient(90deg,#38BDF8,#818CF8); }
.cat-bar-fill.acad { background: linear-gradient(90deg,#34D399,#38BDF8); }
.cat-bar-fill.industry { background: linear-gradient(90deg,#F59E0B,#F97316); }
.cat-bar-count { width: 28px; text-align: right; font-size: 0.88rem; font-weight: 700; color: var(--text); }

/* Recent reg items */
.recent-reg-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.recent-reg-item:last-child { border-bottom: none; }
.rr-avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg,rgba(56,189,248,0.2),rgba(129,140,248,0.2)); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; color: var(--accent); flex-shrink: 0; }
.rr-name { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.rr-cat { font-size: 0.75rem; color: var(--text2); }
.rr-date { font-size: 0.72rem; color: var(--text2); margin-left: auto; white-space: nowrap; }

/* Table */
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.admin-table th { padding: 10px 14px; text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text2); border-bottom: 1px solid var(--border); white-space: nowrap; }
.admin-table td { padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: middle; color: var(--text); }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }
.admin-table td:first-child { color: var(--text2); font-size: 0.8rem; }

.badge-cat { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: 0.72rem; font-weight: 600; }
.badge-cat.student { background: rgba(56,189,248,0.1); color: #38BDF8; }
.badge-cat.academician { background: rgba(52,211,153,0.1); color: #34D399; }
.badge-cat.industry { background: rgba(245,158,11,0.1); color: #F59E0B; }

.badge-pay { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: 0.72rem; font-weight: 600; }
.badge-pay.paid { background: rgba(52,211,153,0.1); color: #34D399; }
.badge-pay.pending { background: rgba(245,158,11,0.1); color: #F59E0B; }

.btn-view-detail { background: rgba(56,189,248,0.1); border: 1px solid rgba(56,189,248,0.2); border-radius: 6px; color: var(--accent); font-size: 0.78rem; padding: 4px 10px; cursor: pointer; transition: all 0.2s; }
.btn-view-detail:hover { background: rgba(56,189,248,0.2); }

/* Search & Filter */
.admin-search {
  padding: 8px 14px; background: rgba(255,255,255,0.05);
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 0.85rem; width: 200px;
}
.admin-search:focus { outline: none; border-color: rgba(56,189,248,0.4); }
.admin-search::placeholder { color: rgba(255,255,255,0.2); }
.admin-select {
  padding: 8px 12px; background: rgba(255,255,255,0.05);
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 0.85rem;
}
.admin-select:focus { outline: none; border-color: rgba(56,189,248,0.4); }
.admin-select option { background: #0A192F; }
.btn-export {
  padding: 8px 14px; background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.25); border-radius: 8px;
  color: #34D399; font-size: 0.82rem; font-weight: 600; cursor: pointer;
  display: flex; align-items: center; white-space: nowrap; transition: all 0.2s;
}
.btn-export:hover { background: rgba(52,211,153,0.18); }

/* Messages */
.messages-list { display: flex; flex-direction: column; gap: 12px; }
.message-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 10px; padding: 16px; transition: all 0.2s; }
.message-card:hover { border-color: rgba(56,189,248,0.2); }
.msg-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.msg-name { font-weight: 600; font-size: 0.92rem; color: var(--text); }
.msg-email { font-size: 0.78rem; color: var(--accent); }
.msg-date { font-size: 0.72rem; color: var(--text2); }
.msg-subject { font-size: 0.82rem; color: var(--text2); margin-bottom: 6px; }
.msg-body { font-size: 0.88rem; color: var(--text); line-height: 1.6; }

/* Empty state */
.empty-state { text-align: center; padding: 32px; color: var(--text2); }
.empty-state i { font-size: 2.5rem; display: block; margin-bottom: 8px; opacity: 0.4; }
.empty-state p { font-size: 0.9rem; margin: 0; }

/* Modal */
.admin-modal { background: #0D2137; border: 1px solid var(--border); border-radius: 16px; color: var(--text); }
.admin-modal-header { border-bottom: 1px solid var(--border); padding: 18px 24px; }
.admin-modal-footer { border-top: 1px solid var(--border); padding: 16px 24px; }
.modal-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail-field label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text2); display: block; margin-bottom: 4px; }
.detail-field p { font-size: 0.95rem; color: var(--text); margin: 0; }

/* Settings */
.system-info-list { display: flex; flex-direction: column; gap: 12px; }
.sys-info-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.sys-info-item span { color: var(--text2); }
.sys-info-item strong { color: var(--text); }

/* Responsive */
@media (max-width: 991px) {
  .sidebar { transform: translateX(calc(-1 * var(--sidebar-w))); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: flex; }
  .admin-search { width: 140px; }
  .modal-detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 575px) {
  .login-box { padding: 28px 20px; }
  .panel-card-header { flex-direction: column; align-items: flex-start; }
  .topbar { padding: 12px 16px; }
  .main-content > .panel { padding: 16px; }
}