/* ===========================
   SMS Student Portal CSS
   =========================== */

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

:root {
  --sms-primary: #2563eb;
  --sms-primary-dark: #1e40af;
  --sms-success: #22c55e;
  --sms-warning: #f59e0b;
  --sms-danger: #ef4444;
  --sms-purple: #8b5cf6;
  --sms-bg: #f1f5f9;
  --sms-card: #ffffff;
  --sms-border: #e2e8f0;
  --sms-text: #1e293b;
  --sms-muted: #64748b;
  --sms-sidebar-w: 260px;
  --sms-radius: 12px;
  --sms-shadow: 0 2px 16px rgba(0,0,0,.08);
}

/* ---- Layout ---- */
.sms-dashboard-wrap {
  display: flex;
  min-height: 100vh;
  background: var(--sms-bg);
  font-family: 'Inter', -apple-system, sans-serif;
  position: relative;
}

/* ---- Sidebar ---- */
.sms-sidebar {
  width: var(--sms-sidebar-w);
  background: #0f172a;
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  transition: transform .3s ease;
}
.sms-sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid #1e293b;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.sms-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--sms-primary);
  display: flex; align-items: center; justify-content: center;
  background: var(--sms-primary);
  color: #fff;
  font-size: 24px; font-weight: 700;
}
.sms-avatar img { width:100%; height:100%; object-fit:cover; }
.sms-sidebar-name strong { display:block; font-size:15px; color:#f1f5f9; }
.sms-sidebar-name small  { font-size:12px; color:#94a3b8; }
.sms-nav { padding: 12px 0; flex: 1; }
.sms-nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  transition: all .2s;
  border-left: 3px solid transparent;
  position: relative;
}
.sms-nav-item:hover { background: #1e293b; color: #f1f5f9; }
.sms-nav-item.active { background: #1e3a5f; color: #fff; border-left-color: var(--sms-primary); }
.sms-nav-icon { font-size: 18px; width: 22px; text-align: center; }
.sms-nav-logout { margin-top: auto; color: #f87171 !important; }
.sms-nav-logout:hover { background: #1a0000 !important; }
.sms-badge {
  margin-left: auto;
  background: var(--sms-danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
}

/* ---- Main ---- */
.sms-main {
  margin-left: var(--sms-sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.sms-topbar {
  background: #fff;
  border-bottom: 1px solid var(--sms-border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.sms-page-title { font-size: 18px; font-weight: 700; color: var(--sms-text); flex: 1; }
.sms-sidebar-toggle { display:none; background:none; border:none; font-size:22px; cursor:pointer; color: var(--sms-text); }
.sms-topbar-right { display:flex; align-items:center; gap:12px; }
.sms-notif-btn {
  background: none; border: 1px solid var(--sms-border);
  padding: 8px 12px; border-radius: 8px; cursor: pointer; font-size: 18px;
  position: relative;
}
.sms-notif-count {
  position: absolute; top: -6px; right: -6px;
  background: var(--sms-danger); color:#fff; font-size:11px;
  font-weight:700; padding:2px 6px; border-radius:10px;
}
.sms-notif-dropdown {
  position: absolute; right: 16px; top: 72px;
  width: 340px; background: #fff;
  border-radius: var(--sms-radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  z-index: 200;
  border: 1px solid var(--sms-border);
  overflow: hidden;
}
.sms-notif-header {
  display:flex; justify-content:space-between; align-items:center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--sms-border);
  font-size: 13px;
}
.sms-notif-header button { background:none; border:none; cursor:pointer; color:var(--sms-primary); font-size:12px; }
.sms-notif-item { padding:12px 16px; border-bottom:1px solid #f1f5f9; font-size:13px; }
.sms-notif-item.unread { background:#eff6ff; }
.sms-notif-item strong { display:block; margin-bottom:2px; }
.sms-notif-item p { color:var(--sms-muted); margin:0; }
.sms-notif-item small { color:#94a3b8; font-size:11px; }

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

/* ---- Cards ---- */
.sms-card {
  background: var(--sms-card);
  border-radius: var(--sms-radius);
  box-shadow: var(--sms-shadow);
  padding: 24px;
  margin-bottom: 20px;
}
.sms-card h4 { font-size:16px; font-weight:700; color:var(--sms-text); margin-bottom:16px; }

/* ---- Stats Grid ---- */
.sms-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.sms-stat-card {
  background: #fff;
  border-radius: var(--sms-radius);
  padding: 20px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--sms-shadow);
}
.sms-stat-icon { font-size: 32px; }
.sms-stat-num  { font-size: 26px; font-weight: 800; color: var(--sms-text); }
.sms-stat-label{ font-size: 13px; color: var(--sms-muted); }
.sms-stat-blue   { border-left: 4px solid var(--sms-primary); }
.sms-stat-green  { border-left: 4px solid var(--sms-success); }
.sms-stat-purple { border-left: 4px solid var(--sms-purple); }
.sms-stat-orange { border-left: 4px solid var(--sms-warning); }

/* ---- Two Col ---- */
.sms-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }

/* ---- Forms ---- */
.sms-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sms-form-group { display:flex; flex-direction:column; gap:6px; }
.sms-form-group label { font-size:13px; font-weight:600; color:var(--sms-muted); text-transform:uppercase; letter-spacing:.5px; }
.sms-form-group input,
.sms-form-group select,
.sms-form-group textarea {
  padding: 10px 14px;
  border: 1.5px solid var(--sms-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--sms-text);
  transition: border-color .2s;
  background: #fff;
  width: 100%;
}
.sms-form-group input:focus,
.sms-form-group select:focus,
.sms-form-group textarea:focus { border-color: var(--sms-primary); outline: none; }
.sms-full { grid-column: 1 / -1; }
.req { color: var(--sms-danger); }
.sms-form-row { display:flex; align-items:center; justify-content:space-between; margin:12px 0; font-size:13px; }
.sms-form-check { margin: 12px 0; font-size:13px; }
.sms-form-check a { color: var(--sms-primary); }
.sms-input-eye { position:relative; }
.sms-input-eye input { padding-right: 44px; }
.sms-eye-btn { position:absolute; right:12px; top:50%; transform:translateY(-50%); background:none; border:none; cursor:pointer; font-size:16px; }
.sms-forgot { color: var(--sms-primary); font-size:13px; text-decoration:none; }

/* ---- Buttons ---- */
.sms-btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .2s;
  text-decoration: none;
  text-align: center;
}
.sms-btn-primary   { background: var(--sms-primary); color: #fff; border-color: var(--sms-primary); }
.sms-btn-primary:hover { background: var(--sms-primary-dark); border-color: var(--sms-primary-dark); }
.sms-btn-outline   { background: transparent; color: var(--sms-primary); border-color: var(--sms-primary); }
.sms-btn-outline:hover { background: var(--sms-primary); color: #fff; }
.sms-btn-green     { background: var(--sms-success); color:#fff; border-color:var(--sms-success); }
.sms-btn-full      { width:100%; display:block; }
.sms-btn-sm        { padding: 6px 14px; font-size: 12px; }

/* ---- Alerts ---- */
.sms-alert { padding:12px 16px; border-radius:8px; font-size:14px; margin-bottom:12px; }
.sms-alert-success { background:#dcfce7; color:#166534; border:1px solid #86efac; }
.sms-alert-error   { background:#fee2e2; color:#991b1b; border:1px solid #fca5a5; }

/* ---- Status Badges ---- */
.sms-status-badge { display:inline-block; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:700; text-transform:uppercase; }
.sms-status-pending    { background:#fef3c7; color:#92400e; }
.sms-status-approved   { background:#dcfce7; color:#166534; }
.sms-status-suspended  { background:#fee2e2; color:#991b1b; }
.sms-status-graduated  { background:#ede9fe; color:#5b21b6; }
.sms-badge-green  { display:inline-block; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:700; background:#dcfce7; color:#166534; }
.sms-badge-red    { display:inline-block; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:700; background:#fee2e2; color:#991b1b; }
.sms-badge-yellow { display:inline-block; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:700; background:#fef3c7; color:#92400e; }
.sms-badge-blue   { display:inline-block; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:700; background:#dbeafe; color:#1e40af; }

/* ---- Tables ---- */
.sms-table-wrap { overflow-x: auto; }
.sms-table { width:100%; border-collapse:collapse; font-size:14px; }
.sms-table th { background:#f8fafc; padding:10px 14px; text-align:left; font-size:12px; text-transform:uppercase; letter-spacing:.5px; color:var(--sms-muted); border-bottom:2px solid var(--sms-border); }
.sms-table td { padding:12px 14px; border-bottom:1px solid #f1f5f9; vertical-align:middle; }
.sms-table tr:last-child td { border-bottom:none; }

/* ---- Info Table ---- */
.sms-info-table { width:100%; font-size:14px; }
.sms-info-table td { padding:6px 0; }
.sms-info-table td:first-child { color:var(--sms-muted); width:40%; font-size:13px; }

/* ---- Grade ---- */
.sms-grade { display:inline-block; width:28px; height:28px; border-radius:50%; background:var(--sms-primary); color:#fff; font-weight:700; font-size:13px; text-align:center; line-height:28px; }
.sms-grade-a { background:#22c55e; }
.sms-grade-b { background:#3b82f6; }
.sms-grade-c { background:#f59e0b; }
.sms-grade-d { background:#f97316; }
.sms-grade-e { background:#ef4444; }
.sms-grade-f { background:#6b7280; }
.sms-remark-pass { color:#22c55e; font-weight:700; }
.sms-remark-fail { color:#ef4444; font-weight:700; }

/* ---- Profile ---- */
.sms-profile-top { display:flex; align-items:center; gap:24px; margin-bottom:20px; }
.sms-profile-pic { width:100px; height:100px; border-radius:50%; object-fit:cover; border:3px solid var(--sms-primary); }
.sms-profile-initials { width:100px; height:100px; border-radius:50%; background:var(--sms-primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:32px; font-weight:700; }
.sms-profile-pic-wrap { text-align:center; }
.sms-pic-upload-btn { display:inline-block; margin-top:8px; font-size:12px; color:var(--sms-primary); cursor:pointer; border:1px solid var(--sms-primary); padding:4px 10px; border-radius:6px; }
.sms-profile-id-info h3 { font-size:20px; font-weight:700; }
.sms-profile-id-info p  { color:var(--sms-muted); font-size:13px; margin-top:2px; }
.sms-profile-summary { display:flex; align-items:flex-start; gap:20px; }
.sms-profile-summary .sms-profile-initials,
.sms-profile-summary img { width:70px; height:70px; font-size:22px; flex-shrink:0; }

/* ---- Assignment Cards ---- */
.sms-assignment-list { display:flex; flex-direction:column; gap:16px; }
.sms-assignment-card { background:#f8fafc; border-radius:10px; padding:16px; border:1px solid var(--sms-border); }
.sms-assignment-card.overdue { border-color:#fca5a5; background:#fff5f5; }
.sms-assignment-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:8px; }
.sms-assignment-header h5 { font-size:15px; font-weight:700; margin:0; }
.sms-assignment-header small { color:var(--sms-muted); font-size:12px; }
.sms-assignment-desc { font-size:13px; color:#374151; margin-bottom:10px; }
.sms-assignment-meta { display:flex; gap:16px; align-items:center; flex-wrap:wrap; font-size:12px; color:var(--sms-muted); margin-bottom:10px; }
.sms-submit-form { margin-top:12px; padding-top:12px; border-top:1px solid var(--sms-border); }
.sms-submit-form textarea { width:100%; padding:10px; border:1.5px solid var(--sms-border); border-radius:8px; font-size:13px; margin-bottom:8px; }

/* ---- Exam Cards ---- */
.sms-exam-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; }
.sms-exam-card { background:#f8fafc; border-radius:10px; padding:20px; border:1px solid var(--sms-border); }
.sms-exam-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:10px; }
.sms-exam-header h5 { font-size:15px; font-weight:700; margin:0; }
.sms-exam-meta { display:flex; gap:12px; flex-wrap:wrap; font-size:12px; color:var(--sms-muted); margin-bottom:12px; }
.sms-exam-instructions { font-size:13px; color:#374151; margin-bottom:12px; }
.sms-exam-result { font-size:13px; padding:10px; background:#dcfce7; border-radius:6px; margin-top:10px; }

/* ---- CBT Interface ---- */
.sms-cbt-wrap { background:#fff; border-radius:var(--sms-radius); box-shadow:var(--sms-shadow); overflow:hidden; }
.sms-cbt-header { background:#0f172a; color:#fff; padding:16px 24px; display:flex; align-items:center; gap:16px; }
.sms-cbt-header h4 { flex:1; margin:0; font-size:18px; }
.sms-cbt-header small { opacity:.7; display:block; font-size:12px; margin-top:2px; }
.sms-cbt-timer { font-size:24px; font-weight:700; font-variant-numeric:tabular-nums; background:#1e293b; padding:8px 16px; border-radius:8px; min-width:90px; text-align:center; }
.sms-timer-warning { color:#ef4444 !important; animation:pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }
.sms-cbt-body { display:flex; min-height:500px; }
.sms-cbt-questions { flex:1; padding:24px; }
.sms-cbt-nav { width:200px; background:#f8fafc; border-left:1px solid var(--sms-border); padding:16px; }
.sms-cbt-nav h5 { font-size:13px; text-transform:uppercase; letter-spacing:.5px; color:var(--sms-muted); margin-bottom:10px; }
#cbt-nav-grid { display:flex; flex-wrap:wrap; gap:6px; }
.cbt-nav-btn { width:34px; height:34px; border-radius:6px; border:1.5px solid var(--sms-border); background:#fff; cursor:pointer; font-size:12px; font-weight:600; transition:all .15s; }
.cbt-nav-btn.cbt-nav-answered { background:#dcfce7; border-color:#22c55e; color:#166534; }
.cbt-nav-btn.cbt-nav-current  { background:var(--sms-primary); border-color:var(--sms-primary); color:#fff; }
.sms-cbt-legend { margin-top:12px; font-size:11px; color:var(--sms-muted); display:flex; flex-direction:column; gap:4px; }
.cbt-nav-answered { color:#22c55e; }
.cbt-nav-unanswered { color:#94a3b8; }
.cbt-nav-current { color:var(--sms-primary); }
.sms-cbt-question {}
.sms-q-num { font-size:12px; color:var(--sms-muted); text-transform:uppercase; letter-spacing:.5px; margin-bottom:6px; }
.sms-q-text { font-size:16px; font-weight:600; color:var(--sms-text); line-height:1.6; margin-bottom:20px; }
.sms-q-img { max-width:100%; border-radius:8px; margin-bottom:16px; }
.sms-q-options { display:flex; flex-direction:column; gap:10px; margin-bottom:24px; }
.sms-option { display:flex; align-items:flex-start; gap:10px; padding:14px 16px; border-radius:8px; border:1.5px solid var(--sms-border); cursor:pointer; transition:all .2s; font-size:14px; }
.sms-option:hover  { border-color:var(--sms-primary); background:#eff6ff; }
.sms-option.selected { border-color:var(--sms-primary); background:#dbeafe; color:var(--sms-primary-dark); }
.sms-q-nav { display:flex; gap:10px; }

/* ---- Modal ---- */
.sms-modal { position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:1000; display:flex; align-items:center; justify-content:center; }
.sms-modal-content { background:#fff; border-radius:var(--sms-radius); padding:28px; max-width:480px; width:90%; position:relative; max-height:90vh; overflow-y:auto; }
.sms-modal-close { position:absolute; right:16px; top:16px; background:none; border:none; font-size:18px; cursor:pointer; color:var(--sms-muted); }
.sms-cbt-result-content { text-align:center; }

/* ---- Auth Pages ---- */
.sms-wrap { min-height:100vh; background:var(--sms-bg); display:flex; align-items:center; justify-content:center; padding:40px 16px; font-family:'Inter',-apple-system,sans-serif; }
.sms-register-wrap, .sms-login-wrap {}
.sms-register-card, .sms-login-card { background:#fff; border-radius:var(--sms-radius); box-shadow:0 4px 32px rgba(0,0,0,.1); width:100%; max-width:680px; overflow:hidden; }
.sms-card-header { background:linear-gradient(135deg,#0f172a,#2563eb); color:#fff; padding:28px 32px; text-align:center; }
.sms-card-header h2 { font-size:22px; font-weight:800; margin-bottom:4px; }
.sms-card-header p  { font-size:13px; opacity:.8; }
.sms-register-card form, .sms-login-card form { padding:28px 32px; }
.sms-login-card form { padding-bottom:8px; }
.sms-card-foot { padding:16px 32px 24px; text-align:center; font-size:13px; color:var(--sms-muted); }
.sms-card-foot a { color:var(--sms-primary); font-weight:600; text-decoration:none; }

/* ---- File Upload ---- */
.sms-file-upload { }
.sms-file-label { display:flex; flex-direction:column; align-items:center; gap:8px; padding:20px; border:2px dashed var(--sms-border); border-radius:8px; cursor:pointer; transition:border-color .2s; font-size:13px; color:var(--sms-muted); }
.sms-file-label:hover { border-color:var(--sms-primary); }
.sms-file-upload input[type=file] { display:none; }

/* ---- Quick Actions ---- */
.sms-quick-actions { display:flex; flex-direction:column; gap:10px; }

/* ---- Payment Buttons ---- */
.sms-payment-buttons { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:20px; }

/* ---- Filter bar ---- */
.sms-filter-bar { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:16px; }
.sms-filter-bar input, .sms-filter-bar select { padding:8px 12px; border:1.5px solid var(--sms-border); border-radius:8px; font-size:13px; }

/* ---- Result summary ---- */
.sms-result-summary { display:flex; gap:24px; margin-bottom:16px; font-size:14px; color:var(--sms-muted); }
.sms-result-summary strong { color:var(--sms-text); }

/* ---- Empty ---- */
.sms-empty { text-align:center; padding:48px 24px; color:var(--sms-muted); }
.sms-empty span { font-size:48px; display:block; margin-bottom:12px; }

/* ---- Mobile ---- */
@media (max-width: 768px) {
  .sms-sidebar { transform: translateX(-100%); }
  .sms-sidebar.open { transform: translateX(0); }
  .sms-main { margin-left: 0; }
  .sms-sidebar-toggle { display:block; }
  .sms-two-col { grid-template-columns: 1fr; }
  .sms-form-grid { grid-template-columns: 1fr; }
  .sms-stats-grid { grid-template-columns: 1fr 1fr; }
  .sms-cbt-body { flex-direction:column; }
  .sms-cbt-nav { width:100%; border-left:none; border-top:1px solid var(--sms-border); }
  .sms-content { padding: 16px; }
  .sms-register-card form { padding: 20px 16px; }
  .sms-exam-grid { grid-template-columns: 1fr; }
  .sms-payment-buttons { flex-direction:column; }
  .sms-topbar { padding: 0 16px; }
}
@media (max-width: 480px) {
  .sms-stats-grid { grid-template-columns: 1fr; }
}

/* ---- Registration Fee Notice ---- */
.sms-reg-fee-notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-left: 4px solid #2563eb;
  border-radius: 8px;
  padding: 14px 20px;
  margin: 0 32px 20px;
  font-size: 14px;
  color: #1e40af;
  line-height: 1.6;
}
.sms-reg-fee-notice span:first-child { font-size: 18px; flex-shrink: 0; }

/* ---- Payment fee card on dashboard ---- */
.sms-pay-notice {
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  color: #92400e;
  margin-bottom: 4px;
}
.sms-pay-notice-success {
  background: #dcfce7;
  border-color: #86efac;
  color: #166534;
}
.sms-pay-notice p { margin: 0; }

.sms-payment-fee-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.sms-payment-fee-card.paid {
  border-color: #86efac;
  background: #f0fdf4;
}
.sms-fee-info { display: flex; align-items: center; gap: 16px; }
.sms-fee-icon { font-size: 32px; }
.sms-fee-name { font-weight: 700; font-size: 16px; color: var(--sms-text); }
.sms-fee-amount { font-size: 22px; font-weight: 800; color: var(--sms-primary); margin: 2px 0; }
.sms-fee-desc { font-size: 12px; color: var(--sms-muted); }

/* ---- Alert warning variant ---- */
.sms-alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }