/* ============================================================
   Mentorship Portal v5 — Complete Stylesheet
   Mobile-first, consistent class names throughout
   ============================================================ */
:root {
  --pri: #1e40af; --pri-dk: #1e3a8a; --pri-lt: #dbeafe;
  --sec: #0f766e; --acc: #7c3aed;
  --ok: #16a34a; --warn: #d97706; --err: #dc2626;
  --dark: #1f2937; --mid: #6b7280; --lite: #f3f4f6;
  --bdr: #e5e7eb; --wht: #ffffff;
  --sh: 0 1px 4px rgba(0,0,0,.08);
  --sh-lg: 0 8px 24px rgba(0,0,0,.14);
  --r: 8px; --r-lg: 12px;
  --sidebar-w: 252px; --topbar-h: 56px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--lite); color: var(--dark);
  line-height: 1.6; font-size: 15px; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* ── Login ── */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #0f766e 100%);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.login-card {
  background: var(--wht); border-radius: var(--r-lg);
  padding: 40px 32px; width: 100%; max-width: 400px;
  box-shadow: var(--sh-lg);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .login-icon {
  width: 64px; height: 64px; background: var(--pri-lt);
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; margin: 0 auto 12px; font-size: 28px;
}
.login-logo h1 { font-size: 20px; color: var(--pri-dk); font-weight: 700; }
.login-logo p  { color: var(--mid); font-size: 13px; margin-top: 4px; }
@media (max-width: 480px) {
  .login-card { padding: 28px 18px; }
  .login-logo h1 { font-size: 17px; }
}

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

.sb-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 199;
}
.sb-overlay.open { display: block; }

.sidebar {
  width: var(--sidebar-w); background: var(--pri-dk); color: var(--wht);
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 200;
  display: flex; flex-direction: column; overflow-y: auto;
  transition: transform .28s cubic-bezier(.4,0,.2,1);
  -webkit-overflow-scrolling: touch;
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); width: 280px; box-shadow: var(--sh-lg); }
  .sidebar.open { transform: translateX(0); }
}

.sb-brand {
  padding: 18px 18px 12px; border-bottom: 1px solid rgba(255,255,255,.1);
  flex-shrink: 0;
}
.sb-brand h2 { font-size: 14px; font-weight: 700; line-height: 1.3; }
.sb-brand p  { font-size: 10px; opacity: .6; margin-top: 2px; }

.sb-user {
  padding: 12px 18px; background: rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.1); flex-shrink: 0;
}
.sb-name { font-size: 13px; font-weight: 600; }
.sb-role { font-size: 10px; opacity: .6; text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; }
.class-badge {
  display: inline-block; background: var(--sec); color: #fff;
  font-size: 10px; padding: 2px 8px; border-radius: 20px; margin-top: 5px;
}

.sb-nav { padding: 8px 0; flex: 1; }
.nav-section-label {
  font-size: 9px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; opacity: .4; padding: 10px 18px 3px;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px; color: rgba(255,255,255,.8); font-size: 13px;
  border-left: 3px solid transparent; cursor: pointer;
  transition: all .15s; text-decoration: none;
}
.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,.1); color: #fff;
  border-left-color: var(--sec);
}
.nav-icon { font-size: 15px; width: 18px; text-align: center; }

.sb-foot {
  padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.1);
  flex-shrink: 0;
}
.ses-pill {
  display: inline-block; background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9); font-size: 11px;
  padding: 4px 10px; border-radius: 20px;
}

.main-content {
  margin-left: var(--sidebar-w); flex: 1;
  display: flex; flex-direction: column; min-height: 100vh; min-width: 0;
}
@media (max-width: 768px) { .main-content { margin-left: 0; } }

/* ── Topbar ── */
.topbar {
  background: var(--wht); height: var(--topbar-h);
  padding: 0 20px; display: flex; align-items: center; gap: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
  position: sticky; top: 0; z-index: 100;
}
.topbar-title {
  font-size: 17px; font-weight: 700; flex: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px; border: none;
  background: none; -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--dark); border-radius: 2px; }
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .topbar-title { font-size: 15px; }
}

.page-content { padding: 20px; flex: 1; }
@media (max-width: 480px) { .page-content { padding: 12px; } }

/* ── Cards ── */
.card {
  background: var(--wht); border-radius: var(--r);
  box-shadow: var(--sh); overflow: hidden; margin-bottom: 16px;
}
.card-header {
  padding: 14px 20px; border-bottom: 1px solid var(--bdr);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
}
.card-header h3 { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; } }
.stat-card {
  background: var(--wht); border-radius: var(--r);
  padding: 14px 16px; box-shadow: var(--sh);
  border-left: 4px solid var(--pri);
}
.stat-card.green  { border-left-color: var(--ok); }
.stat-card.orange { border-left-color: var(--warn); }
.stat-card.purple { border-left-color: var(--acc); }
.stat-card.red    { border-left-color: var(--err); }
.stat-value { font-size: 26px; font-weight: 700; }
.stat-label { font-size: 11px; color: var(--mid); margin-top: 2px; }

/* ── Two-column grid ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.form-control {
  width: 100%; padding: 10px 13px;
  border: 1px solid var(--bdr); border-radius: var(--r);
  font-size: 15px; color: var(--dark); background: var(--wht);
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none; appearance: none;
}
.form-control:focus {
  outline: none; border-color: var(--pri);
  box-shadow: 0 0 0 3px rgba(30,64,175,.12);
}
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px;
}
textarea.form-control { resize: vertical; min-height: 80px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; gap: 0; } }
/* Prevent iOS zoom on inputs */
@media (max-width: 768px) { .form-control { font-size: 16px; } }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; padding: 10px 18px; border: 1px solid transparent;
  border-radius: var(--r); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .15s; white-space: nowrap;
  -webkit-tap-highlight-color: transparent; min-height: 40px;
  text-decoration: none; line-height: 1;
}
.btn-primary   { background: var(--pri);  color: #fff; border-color: var(--pri);  }
.btn-primary:hover { background: var(--pri-dk); }
.btn-success   { background: var(--ok);   color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger    { background: var(--err);  color: #fff; }
.btn-warning   { background: var(--warn); color: #fff; }
.btn-secondary { background: var(--wht);  color: var(--dark); border-color: var(--bdr); }
.btn-secondary:hover { background: var(--lite); }
.btn-outline   { background: transparent; border: 2px solid var(--pri); color: var(--pri); }
.btn-sm        { padding: 6px 12px; font-size: 12px; min-height: 32px; }
.btn-block     { width: 100%; }
@media (hover: none) { .btn { min-height: 44px; } .btn-sm { min-height: 38px; } }

/* ── Tables ── */
.table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data-table {
  width: 100%; border-collapse: collapse; font-size: 13px; min-width: 460px;
}
.data-table thead th {
  background: var(--lite); padding: 10px 14px; text-align: left;
  font-weight: 700; font-size: 11px; text-transform: uppercase;
  letter-spacing: .4px; color: var(--mid);
  border-bottom: 2px solid var(--bdr); white-space: nowrap;
}
.data-table tbody td {
  padding: 10px 14px; border-bottom: 1px solid var(--bdr); vertical-align: middle;
}
.data-table tbody tr:hover { background: var(--lite); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Mobile card rows */
@media (max-width: 540px) {
  .table-card-rows table.data-table,
  .table-card-rows .data-table thead,
  .table-card-rows .data-table tbody,
  .table-card-rows .data-table th,
  .table-card-rows .data-table td,
  .table-card-rows .data-table tr { display: block; }
  .table-card-rows .data-table thead tr { display: none; }
  .table-card-rows .data-table tbody tr {
    background: var(--wht); border: 1px solid var(--bdr);
    border-radius: var(--r); margin-bottom: 10px; padding: 4px 0;
  }
  .table-card-rows .data-table tbody td {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 14px; border-bottom: 1px solid var(--lite);
    flex-wrap: wrap; gap: 4px;
  }
  .table-card-rows .data-table tbody td:last-child { border-bottom: none; }
  .table-card-rows .data-table tbody td::before {
    content: attr(data-label); font-weight: 700; font-size: 11px;
    color: var(--mid); text-transform: uppercase; letter-spacing: .3px; margin-right: 8px;
  }
}

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 9px; border-radius: 20px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.badge-success { background: #dcfce7; color: var(--ok); }
.badge-warning { background: #fef3c7; color: var(--warn); }
.badge-danger  { background: #fee2e2; color: var(--err); }
.badge-info    { background: var(--pri-lt); color: var(--pri); }
.badge-gray    { background: var(--lite); color: var(--mid); }
.badge-purple  { background: #f3e8ff; color: var(--acc); }

/* ── Alerts ── */
.alert {
  padding: 11px 14px; border-radius: var(--r);
  margin-bottom: 14px; font-size: 14px;
  display: flex; align-items: flex-start; gap: 8px;
}
.alert-success { background: #dcfce7; color: var(--ok);   border: 1px solid #bbf7d0; }
.alert-error   { background: #fee2e2; color: var(--err);  border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: var(--warn); border: 1px solid #fde68a; }
.alert-info    { background: var(--pri-lt); color: var(--pri); border: 1px solid #bfdbfe; }

/* ── Tabs ── */
.tabs {
  display: flex; border-bottom: 2px solid var(--bdr); margin-bottom: 20px;
  overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 10px 16px; flex-shrink: 0; background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  font-size: 13px; font-weight: 600; color: var(--mid);
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.tab-btn.active, .tab-btn:hover { color: var(--pri); border-bottom-color: var(--pri); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Subject Sections ── */
.subject-section {
  border: 1px solid var(--bdr); border-radius: var(--r);
  overflow: hidden; margin-bottom: 16px;
}
.subject-header { padding: 10px 14px; font-weight: 700; font-size: 13px; color: #fff; }
.tracker-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tracker-table  { min-width: 680px; width: 100%; border-collapse: collapse; font-size: 12px; }
.tracker-table th {
  background: var(--lite); padding: 7px 10px; text-align: left;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  color: var(--mid); white-space: nowrap;
}
.tracker-table td { padding: 5px 8px; border-bottom: 1px solid var(--bdr); vertical-align: middle; }
.tracker-table tr:last-child td { border-bottom: none; }
.tracker-table input, .tracker-table select {
  width: 100%; padding: 5px 7px; border: 1px solid var(--bdr);
  border-radius: 5px; font-size: 11px; background: var(--wht);
  color: var(--dark); -webkit-appearance: none;
}
.tracker-table input:focus, .tracker-table select:focus {
  outline: none; border-color: var(--pri);
  box-shadow: 0 0 0 2px rgba(30,64,175,.1);
}

/* Performance table */
.perf-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.perf-table { min-width: 620px; width: 100%; border-collapse: collapse; font-size: 12px; }
.perf-table th {
  background: var(--lite); padding: 7px 10px; text-align: left;
  font-size: 10px; font-weight: 700; text-transform: uppercase; color: var(--mid); white-space: nowrap;
}
.perf-table td { padding: 5px 8px; border-bottom: 1px solid var(--bdr); vertical-align: middle; }
.perf-table tr:last-child td { border-bottom: none; }
.perf-table input, .perf-table select {
  width: 100%; padding: 5px 7px; border: 1px solid var(--bdr);
  border-radius: 5px; font-size: 11px; background: var(--wht); color: var(--dark);
  -webkit-appearance: none;
}

/* Holistic */
.holistic-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.holistic-table { min-width: 560px; width: 100%; border-collapse: collapse; font-size: 12px; }
.holistic-table thead th { background: var(--pri-dk); color: #fff; padding: 9px 12px; text-align: left; font-size: 11px; white-space: nowrap; }
.holistic-table tbody td { padding: 7px 12px; border-bottom: 1px solid var(--bdr); vertical-align: middle; }
.holistic-table tbody tr:last-child td { border-bottom: none; }
.holistic-cat { font-weight: 600; background: var(--lite) !important; white-space: nowrap; }
.holistic-table select {
  padding: 4px 6px; border: 1px solid var(--bdr); border-radius: 5px;
  font-size: 11px; width: 100%; background: var(--wht); -webkit-appearance: none;
}

/* ── Modals ── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.5); z-index: 1000;
  align-items: flex-end; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--wht); width: 100%; max-width: 560px;
  max-height: 92vh; overflow-y: auto;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  box-shadow: var(--sh-lg); animation: slideUp .22s ease;
}
@keyframes slideUp { from { transform: translateY(30px); opacity: .6; } to { transform: translateY(0); opacity: 1; } }
@media (min-width: 640px) {
  .modal-overlay { align-items: center; padding: 16px; }
  .modal { border-radius: var(--r-lg); }
}
.modal-header {
  padding: 16px 20px; border-bottom: 1px solid var(--bdr);
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; background: var(--wht); z-index: 1;
}
.modal-header h3 { font-size: 16px; font-weight: 700; }
.modal-body  { padding: 20px; }
.modal-footer {
  padding: 12px 20px; border-top: 1px solid var(--bdr);
  display: flex; justify-content: flex-end; gap: 8px;
  flex-wrap: wrap; position: sticky; bottom: 0; background: var(--wht);
}

/* ── Activity feed ── */
.activity-feed { max-height: 220px; overflow-y: auto; font-size: 12px; }
.feed-item { padding: 7px 14px; border-bottom: 1px solid var(--lite); display: flex; align-items: center; gap: 8px; }
.feed-item:last-child { border-bottom: none; }
.feed-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); flex-shrink: 0; }
.feed-time { color: var(--mid); font-size: 10px; margin-left: auto; white-space: nowrap; }

/* ── Save bar ── */
.save-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--pri); color: #fff;
  padding: 10px 18px; font-size: 13px;
  display: flex; align-items: center; gap: 10px;
  z-index: 600; transform: translateY(100%);
  transition: transform .22s; box-shadow: 0 -2px 8px rgba(0,0,0,.15);
}
.save-bar.show { transform: translateY(0); }
.save-bar.saved { background: var(--ok); }
.save-bar.error { background: var(--err); }
.spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.3); border-top-color: #fff;
  border-radius: 50%; animation: spin .7s linear infinite; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Student bar ── */
.student-bar {
  background: var(--wht); border-radius: var(--r);
  box-shadow: var(--sh); border-left: 4px solid var(--pri);
  padding: 14px 18px; margin-bottom: 14px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.student-bar .student-name { font-size: 16px; font-weight: 700; }
.student-bar .student-meta { font-size: 12px; color: var(--mid); }

/* ── Performance scale ── */
.scale-options { display: flex; flex-wrap: wrap; gap: 8px; }
.scale-option {
  padding: 6px 14px; border: 2px solid var(--bdr); border-radius: 20px;
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all .15s;
  user-select: none;
}
.scale-option.selected { border-color: var(--pri); background: var(--pri-lt); }
.scale-option input[type="radio"] { display: none; }

/* ── Print ── */
@media print {
  .sidebar, .topbar, .no-print, .hamburger, .sb-overlay, .save-bar { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .page-content { padding: 0 !important; }
  body { background: #fff; font-size: 10pt; }
  .card { box-shadow: none; border: 1px solid #ccc; }

  .print-report { font-family: Arial, sans-serif; color: #000; }
  .report-header { text-align: center; border-bottom: 2px solid #1e3a8a; padding-bottom: 8px; margin-bottom: 12px; }
  .report-header h1 { font-size: 13pt; color: #1e3a8a; }
  .report-info { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 9pt; justify-content: center; margin-top: 5px; }
  .report-section-title { background: #1e3a8a; color: #fff; padding: 3px 8px; font-weight: bold; font-size: 9pt; margin: 8px 0 3px; }
  .report-table { width: 100%; border-collapse: collapse; margin-bottom: 6px; font-size: 8.5pt; }
  .report-table th, .report-table td { border: 1px solid #aaa; padding: 3px 5px; text-align: left; }
  .report-table th { background: #f0f0f0; font-weight: bold; }
  .page-break { page-break-before: always; }
  .report-two-col { display: table; width: 100%; }
  .report-two-col > div { display: table-cell; width: 50%; vertical-align: top; }
  .report-two-col > div:first-child { padding-right: 6px; }
  .report-two-col > div:last-child { padding-left: 6px; }
  .signature-line { border-top: 1px solid #000; margin-top: 20px; padding-top: 6px; text-align: center; font-size: 8.5pt; }
}

/* ── Utilities ── */
.d-flex     { display: flex; }
.flex-wrap  { flex-wrap: wrap; }
.align-center   { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8   { margin-top: 8px; }
.mt-16  { margin-top: 16px; }
.mt-24  { margin-top: 24px; }
.mb-8   { margin-bottom: 8px; }
.mb-16  { margin-bottom: 16px; }
.mb-24  { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted  { color: var(--mid); }
.text-small  { font-size: 12px; }
.text-bold   { font-weight: 700; }
.w-full { width: 100%; }
@media print {

.sidebar,
.topbar,
.no-print,
.btn,
button{
    display: none !important;
    }

.main-content {
    margin: 0 !important;
    width: 100% !important;
    }

body {
    background: white !important;
  }

.card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    break-inside: avoid;
  }

.page-content {
    padding: 0 !important;
  }
}