/* ============================================================
   GCETTB Student Association Dashboard CSS
   ============================================================ */
:root {
  --sa-navy: #0f1c3f;
  --sa-navy-light: #1a2d5a;
  --sa-gold: #e8a020;
  --sa-green: #10b981;
  --sa-red: #ef4444;
  --sa-blue: #3b82f6;
  --sa-white: #ffffff;
  --sa-off-white: #f7f8fb;
  --sa-gray-100: #f1f3f6;
  --sa-gray-200: #e2e6ed;
  --sa-gray-500: #6b7280;
  --sa-gray-700: #374151;
  --sa-shadow: 0 2px 12px rgba(0,0,0,0.08);
  --sa-radius: 10px;
  --sa-font: 'DM Sans', -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body.assoc-body { font-family: var(--sa-font); background: var(--sa-off-white); color: var(--sa-gray-700); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* Layout */
.sa-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sa-sidebar {
  width: 240px;
  background: var(--sa-navy);
  color: var(--sa-white);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 100;
}
.sa-sidebar::-webkit-scrollbar { width: 3px; }
.sa-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); }

.sa-sidebar-brand {
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sa-sidebar-brand .logo { font-size: 1.1rem; font-weight: 800; color: var(--sa-white); letter-spacing: 0.5px; }
.sa-sidebar-brand .sub { font-size: 0.7rem; color: rgba(255,255,255,0.45); margin-top: 2px; }

.sa-nav { flex: 1; padding: 12px 0; }
.sa-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.68);
  transition: all 0.2s;
}
.sa-nav a:hover, .sa-nav a.active {
  background: rgba(255,255,255,0.09);
  color: var(--sa-white);
  border-right: 3px solid var(--sa-gold);
}
.sa-nav a svg { width: 16px; height: 16px; flex-shrink: 0; }

.sa-sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.sa-sidebar-footer a { font-size: 0.8rem; color: rgba(255,255,255,0.45); display: flex; align-items: center; gap: 8px; }
.sa-sidebar-footer a:hover { color: var(--sa-white); }

/* Main */
.sa-main { margin-left: 240px; flex: 1; display: flex; flex-direction: column; }

.sa-topbar {
  background: var(--sa-white);
  border-bottom: 1px solid var(--sa-gray-200);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.sa-topbar h1 { font-size: 1.05rem; font-weight: 700; color: var(--sa-navy); }
.sa-topbar-user { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: var(--sa-gray-500); }
.sa-topbar-user .av { width: 30px; height: 30px; background: var(--sa-navy); color: var(--sa-white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.78rem; font-weight: 700; }

.sa-content { padding: 24px 28px; flex: 1; }

/* Stat cards */
.sa-stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.sa-stat-card { background: var(--sa-white); border-radius: var(--sa-radius); padding: 20px; border: 1px solid var(--sa-gray-200); display: flex; align-items: center; gap: 14px; }
.sa-stat-icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sa-stat-icon svg { width: 22px; height: 22px; }
.si-navy { background: rgba(15,28,63,0.1); color: var(--sa-navy); }
.si-gold { background: rgba(232,160,32,0.1); color: var(--sa-gold); }
.si-green { background: rgba(16,185,129,0.1); color: var(--sa-green); }
.si-red { background: rgba(239,68,68,0.1); color: var(--sa-red); }
.si-blue { background: rgba(59,130,246,0.1); color: var(--sa-blue); }
.sa-stat-info h3 { font-size: 1.7rem; font-weight: 800; color: var(--sa-navy); line-height: 1; }
.sa-stat-info p { font-size: 0.78rem; color: var(--sa-gray-500); margin-top: 3px; }

/* Cards */
.sa-card { background: var(--sa-white); border-radius: var(--sa-radius); border: 1px solid var(--sa-gray-200); box-shadow: var(--sa-shadow); overflow: hidden; margin-bottom: 20px; }
.sa-card-header { padding: 15px 22px; border-bottom: 1px solid var(--sa-gray-200); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.sa-card-header h2 { font-size: 0.97rem; font-weight: 700; color: var(--sa-navy); }
.sa-card-body { padding: 22px; }

/* Table */
.sa-table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 500px; }
th { text-align: left; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--sa-gray-500); padding: 10px 14px; background: var(--sa-gray-100); border-bottom: 1px solid var(--sa-gray-200); white-space: nowrap; }
td { padding: 10px 14px; font-size: 0.84rem; border-bottom: 1px solid var(--sa-gray-200); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--sa-off-white); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 5px; padding: 8px 16px; border-radius: 7px; font-size: 0.82rem; font-weight: 600; cursor: pointer; border: none; transition: all 0.2s; text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--sa-navy); color: var(--sa-white); }
.btn-primary:hover { background: var(--sa-navy-light); }
.btn-gold { background: var(--sa-gold); color: var(--sa-navy); }
.btn-gold:hover { background: #f5b535; }
.btn-green { background: var(--sa-green); color: var(--sa-white); }
.btn-red { background: var(--sa-red); color: var(--sa-white); }
.btn-sm { padding: 5px 11px; font-size: 0.76rem; }
.btn-outline { background: transparent; border: 1.5px solid var(--sa-gray-200); color: var(--sa-gray-700); }
.btn-outline:hover { border-color: var(--sa-navy); color: var(--sa-navy); }

/* Forms */
.form-group { margin-bottom: 15px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--sa-navy); margin-bottom: 6px; }
.form-control { width: 100%; padding: 9px 13px; border: 1.5px solid var(--sa-gray-200); border-radius: 7px; font-size: 0.85rem; color: var(--sa-gray-700); background: var(--sa-white); outline: none; transition: all 0.2s; font-family: var(--sa-font); }
.form-control:focus { border-color: var(--sa-navy); box-shadow: 0 0 0 3px rgba(15,28,63,0.07); }
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { cursor: pointer; }

/* Badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; }
.badge-pending { background: rgba(245,158,11,0.1); color: #92400e; }
.badge-in_progress { background: rgba(59,130,246,0.1); color: #1d4ed8; }
.badge-resolved { background: rgba(16,185,129,0.1); color: #065f46; }
.badge-closed { background: var(--sa-gray-100); color: var(--sa-gray-500); }
.badge-paid { background: rgba(16,185,129,0.1); color: #065f46; }
.badge-unpaid, .badge-pending-fee { background: rgba(239,68,68,0.1); color: #991b1b; }
.badge-president { background: rgba(232,160,32,0.15); color: #92400e; }
.badge-secretary { background: rgba(59,130,246,0.1); color: #1d4ed8; }
.badge-member { background: var(--sa-gray-100); color: var(--sa-gray-500); }

/* Alerts */
.alert { padding: 11px 16px; border-radius: 7px; margin-bottom: 16px; font-size: 0.85rem; font-weight: 500; }
.alert-success { background: rgba(16,185,129,0.1); color: #065f46; border: 1px solid rgba(16,185,129,0.2); }
.alert-error { background: rgba(239,68,68,0.08); color: #991b1b; border: 1px solid rgba(239,68,68,0.15); }

/* Upload area */
.upload-zone { border: 2px dashed var(--sa-gray-200); border-radius: var(--sa-radius); padding: 28px; text-align: center; transition: all 0.2s; cursor: pointer; }
.upload-zone:hover { border-color: var(--sa-navy); background: rgba(15,28,63,0.02); }
.upload-zone p { font-size: 0.82rem; color: var(--sa-gray-500); margin-top: 8px; }

/* Login */
.sa-login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--sa-navy); }
.sa-login-box { background: var(--sa-white); border-radius: 14px; padding: 40px 36px; width: 100%; max-width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.sa-login-logo { text-align: center; margin-bottom: 26px; }
.sa-login-logo h1 { font-size: 1.4rem; font-weight: 800; color: var(--sa-navy); }
.sa-login-logo .divider { width: 36px; height: 3px; background: var(--sa-gold); border-radius: 2px; margin: 10px auto; }
.sa-login-logo p { font-size: 0.78rem; color: var(--sa-gray-500); }

/* Grid utilities */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.flex-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* Certificate search box */
.cert-search-box { background: var(--sa-white); border-radius: var(--sa-radius); padding: 28px; border: 1px solid var(--sa-gray-200); margin-bottom: 20px; }
.cert-result { padding: 16px; background: rgba(16,185,129,0.06); border: 1px solid rgba(16,185,129,0.2); border-radius: 8px; margin-top: 16px; }

/* Responsive */
@media (max-width: 900px) {
  .sa-sidebar { width: 200px; }
  .sa-main { margin-left: 200px; }
  .sa-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 650px) {
  .sa-sidebar { position: fixed; transform: translateX(-100%); transition: transform 0.3s; z-index: 200; width: 240px; }
  .sa-sidebar.open { transform: translateX(0); }
  .sa-main { margin-left: 0; }
  .sa-stat-grid { grid-template-columns: 1fr 1fr; }
  .sa-content { padding: 16px; }
}