/* ================================================================
   AL-GHAFOOR SCHOOL SYSTEM — Frontend Styles
   Colors: School Blue #1033A0, School Red #CC1414, Gold #C8A020
   ================================================================ */

:root {
  --blue:       #1033A0;
  --blue-dark:  #0A1E78;
  --blue-light: #EEF2FF;
  --red:        #CC1414;
  --red-dark:   #A01010;
  --gold:       #C8A020;
  --gold-light: #FFF8E1;
  --ink:        #0D1340;
  --ink-soft:   #4A5580;
  --paper:      #F8F9FF;
  --paper-line: #D4D9EE;
  --white:      #FFFFFF;
  --success:    #1a7a3a;
  --danger:     #CC1414;
  --warn:       #C8701A;
  --radius:     10px;
  --shadow:     0 2px 12px rgba(16,51,160,.10);
}

/* ─── Reset ─────────────────────────────────────── */
.sr-frontend *, .sr-frontend *::before, .sr-frontend *::after { box-sizing: border-box; margin: 0; padding: 0; }
.sr-frontend {
  font-family: 'Segoe UI', 'Inter', Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
}

/* ─── Header ─────────────────────────────────────── */
.sr-header {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  color: #fff;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 3px solid var(--red);
  box-shadow: 0 2px 16px rgba(10,30,120,.30);
}
.sr-header-school {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.2;
}
.sr-header-school span {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: #C4CCFF;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: 1px;
}
.sr-header-teacher {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 13px;
  color: #C4CCFF;
}
.sr-header-teacher strong { color: #fff; font-size: 14px; }
.sr-logout-btn {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.5);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: background .15s, border-color .15s;
  letter-spacing: .03em;
}
.sr-logout-btn:hover { background: rgba(255,255,255,.15); border-color: #fff; color: #fff; }

/* ─── Tabs ───────────────────────────────────────── */
.sr-tabs {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  background: var(--white);
  border-bottom: 2px solid var(--paper-line);
  gap: 0;
  padding: 0 4px;
}
.sr-tabs::-webkit-scrollbar { display: none; }
.sr-tab {
  flex-shrink: 0;
  padding: 12px 18px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: color .15s, border-color .15s;
}
.sr-tab strong { font-size: 9px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--gold); }
.sr-tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.sr-tab:hover:not(.active) { color: var(--ink); background: var(--blue-light); }

/* ─── Panel ──────────────────────────────────────── */
.sr-panel { padding: 16px 20px; max-width: 1200px; }
.sr-empty { text-align: center; color: var(--ink-soft); padding: 40px 16px; font-size: 15px; }

/* ─── Buttons ────────────────────────────────────── */
.sr-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 22px;
  background: var(--blue);
  color: #fff;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-size: 14px; font-weight: 700;
  cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background .15s, transform .1s;
  letter-spacing: .02em;
}
.sr-btn:hover { background: var(--blue-dark); }
.sr-btn:active { transform: scale(.98); }
.sr-btn:disabled { opacity: .5; cursor: not-allowed; }
.sr-btn-ghost {
  background: transparent; color: var(--blue);
  border-color: var(--paper-line);
}
.sr-btn-ghost:hover { background: var(--blue-light); border-color: var(--blue); }
.sr-btn-red { background: var(--red); }
.sr-btn-red:hover { background: var(--red-dark); }
.sr-btn-sm { padding: 7px 14px; font-size: 12px; border-radius: 7px; }
.sr-add-toggle { width: 100%; margin-bottom: 14px; }

/* ─── Add test big button ────────────────────────── */
.sr-add-test-btn {
  display: block; width: 100%; margin-bottom: 18px; padding: 18px;
  font-size: 16px; font-weight: 800; text-align: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue), #2244CC);
  color: #fff; border: none; cursor: pointer;
  box-shadow: 0 4px 14px rgba(16,51,160,.35);
  letter-spacing: .04em;
  transition: transform .1s, box-shadow .1s;
}
.sr-add-test-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(16,51,160,.45); }

/* ─── Day chips ──────────────────────────────────── */
.sr-day-chips { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; padding: 12px 14px; background: var(--white); border-radius: var(--radius); border: 1px solid var(--paper-line); box-shadow: var(--shadow); }
.sr-day-chips-label { font-size: 12px; color: var(--ink-soft); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.sr-day-chip {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--paper); border: 1.5px solid var(--paper-line);
  font-family: monospace; font-size: 13px; font-weight: 700; cursor: pointer; color: var(--ink-soft);
  display: flex; align-items: center; justify-content: center;
  transition: all .12s;
}
.sr-day-chip:hover { background: var(--blue-light); border-color: var(--blue); color: var(--blue); }
.sr-day-chip.active { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 2px 6px rgba(16,51,160,.35); }

/* ─── Test form ──────────────────────────────────── */
.sr-test-form {
  background: var(--white); border: 1px solid var(--paper-line); border-radius: var(--radius);
  padding: 18px; margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end;
  box-shadow: var(--shadow);
}
.sr-test-form label {
  display: flex; flex-direction: column; gap: 5px;
  font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft);
  flex: 1; min-width: 130px;
}
.sr-test-form input {
  font-size: 15px; padding: 10px 12px;
  border: 1.5px solid var(--paper-line); border-radius: 7px;
  background: var(--paper); font-family: inherit; color: var(--ink);
  transition: border-color .15s;
}
.sr-test-form input:focus { outline: none; border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 3px rgba(16,51,160,.10); }
.sr-month-hint { font-size: 12px; color: var(--gold); font-weight: 700; align-self: center; }
.sr-test-summary {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--white); border: 1px solid var(--paper-line); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 18px; font-size: 14px; box-shadow: var(--shadow);
}
.sr-test-summary strong { color: var(--blue); font-size: 15px; }

/* ─── Roster ─────────────────────────────────────── */
.sr-roster-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); border: 1px solid var(--paper-line); margin-bottom: 24px; box-shadow: var(--shadow); }
.sr-roster { border-collapse: collapse; width: 100%; min-width: 480px; background: var(--white); }
.sr-roster th {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: #fff; font-size: 11px; font-weight: 800;
  text-transform: uppercase; letter-spacing: .06em; padding: 12px 14px; text-align: left;
}
.sr-roster td { padding: 10px 14px; border-bottom: 1px solid var(--paper-line); font-size: 14px; }
.sr-roster tr:last-child td { border-bottom: none; }
.sr-roster tbody tr:hover td { background: var(--blue-light); }
.sr-roll { font-family: monospace; font-weight: 800; color: var(--blue); font-size: 13px; }
.sr-student-name-cell { display: flex; flex-direction: column; }
.sr-student-name-cell .sr-fname { font-size: 11px; color: var(--ink-soft); margin-top: 2px; }

/* ─── Mark cell ──────────────────────────────────── */
.sr-mark-cell { display: flex; align-items: center; gap: 7px; }
.sr-mark-input {
  width: 68px; padding: 7px 8px;
  border: 2px solid var(--paper-line); border-radius: 7px;
  font-size: 15px; font-family: monospace; font-weight: 800;
  text-align: center; color: var(--ink);
  transition: border-color .15s, background .15s;
  background: var(--paper);
}
.sr-mark-input:focus { outline: none; border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 3px rgba(16,51,160,.10); }
.sr-mark-input.sr-status-active { background: #F0F0F0; color: var(--ink-soft); border-style: dashed; }
.sr-mark-input.sr-saved { border-color: var(--success); background: #F0FFF4; }
.sr-mark-input.sr-error { border-color: var(--red); background: #FFF0F0; }
.sr-status-btns { display: flex; gap: 5px; }
.sr-status-btn {
  min-width: 32px; height: 32px; border-radius: 7px;
  border: 1.5px solid var(--paper-line);
  background: var(--paper); font-size: 12px; font-weight: 800;
  cursor: pointer; color: var(--ink-soft); padding: 0 8px;
  transition: all .12s; letter-spacing: .02em;
}
.sr-status-btn[data-status="A"]:hover, .sr-status-btn[data-status="A"].active { background: #FFE8E8; border-color: var(--red); color: var(--red); }
.sr-status-btn[data-status="N"]:hover, .sr-status-btn[data-status="N"].active { background: #F0F0F0; border-color: #666; color: #444; }
.sr-status-btn[data-status="C"]:hover, .sr-status-btn[data-status="C"].active { background: #FFF3E0; border-color: var(--warn); color: var(--warn); }
.sr-row-state { font-size: 13px; font-weight: 800; min-width: 22px; transition: color .2s; }
.sr-row-state.ok { color: var(--success); }
.sr-row-state.err { color: var(--red); font-size: 11px; }

/* ─── Full sheet ─────────────────────────────────── */
.sr-sheet-title { font-size: 12px; font-weight: 800; margin: 24px 0 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); padding-bottom: 6px; border-bottom: 1px solid var(--paper-line); }
.sr-sheet-table th { font-size: 10px; padding: 7px 8px; }
.sr-sheet-cell { font-size: 12px; font-family: monospace; text-align: center; padding: 5px 8px; }

/* ─── Login card ─────────────────────────────────── */
.sr-login-card {
  max-width: 400px; margin: 60px auto; padding: 36px;
  background: var(--white); border: 1px solid var(--paper-line); border-radius: var(--radius);
  text-align: center; box-shadow: 0 4px 24px rgba(16,51,160,.12);
}
.sr-login-card h2 { margin-bottom: 10px; color: var(--blue); }
.sr-login-card p { margin-bottom: 20px; color: var(--ink-soft); font-size: 14px; }

/* ─── Lookup ─────────────────────────────────────── */
.sr-lookup { max-width: 100%; }
.sr-lookup-card {
  max-width: 560px; margin: 40px auto; padding: 32px;
  background: var(--white); border: 1px solid var(--paper-line); border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(16,51,160,.10);
}
.sr-lookup-letterhead { text-align: center; margin-bottom: 24px; }
.sr-lookup-school { font-size: 14px; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); font-weight: 800; }
.sr-lookup-card h2 { margin: 6px 0 8px; font-size: 22px; color: var(--ink); }
.sr-lookup-card p { color: var(--ink-soft); font-size: 14px; }
.sr-lookup-card label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); margin-bottom: 14px; }
.sr-lookup-card input { font-size: 15px; padding: 11px 13px; border: 1.5px solid var(--paper-line); border-radius: 7px; font-family: monospace; color: var(--ink); background: var(--paper); width: 100%; }
.sr-lookup-card input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(16,51,160,.10); }
.sr-lookup-card .sr-btn { width: 100%; margin-top: 6px; font-size: 15px; padding: 13px; }
.sr-lookup-error { color: var(--red); font-size: 14px; font-weight: 700; margin-top: 14px; padding: 10px 14px; background: #FFF0F0; border-radius: 6px; border-left: 3px solid var(--red); }
.sr-report-reveal { padding: 20px; }
.sr-month-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.sr-month-pill { padding: 7px 16px; border-radius: 20px; border: 1.5px solid var(--paper-line); background: var(--white); font-size: 13px; font-weight: 700; cursor: pointer; color: var(--ink-soft); transition: all .15s; }
.sr-month-pill.active { background: var(--blue); color: #fff; border-color: var(--blue); box-shadow: 0 2px 8px rgba(16,51,160,.30); }

/* ─── Report card ────────────────────────────────── */
.sr-card-frame { background: var(--white); border: 2px solid var(--blue); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.sr-card-head { text-align: center; position: relative; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 2px solid var(--paper-line); }
.sr-school { font-size: 14px; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); font-weight: 800; }
.sr-card-head h2 { margin: 5px 0; font-size: 18px; color: var(--ink); }
.sr-class-tag { position: absolute; top: 0; right: 0; background: var(--red); color: #fff; font-weight: 800; font-size: 12px; padding: 5px 12px; border-radius: 6px; }
.sr-student-info { display: flex; flex-wrap: wrap; gap: 14px; border: 1px solid var(--paper-line); border-radius: 7px; padding: 12px 16px; margin-bottom: 18px; font-size: 13px; background: var(--blue-light); }
.sr-student-info strong { color: var(--blue-dark); }
.sr-grid-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 18px; border: 1px solid var(--blue); border-radius: 6px; }
.sr-day-grid { border-collapse: collapse; font-size: 11px; white-space: nowrap; background: var(--white); }
.sr-day-grid th, .sr-day-grid td { border: 1px solid var(--paper-line); padding: 4px 5px; text-align: center; }
.sr-day-grid thead th { background: linear-gradient(135deg, var(--blue-dark), var(--blue)); color: #fff; font-size: 10px; }
.sr-subj-name { text-align: left !important; font-weight: 800; background: var(--blue-light) !important; white-space: nowrap; min-width: 80px; color: var(--blue-dark); }
.sr-subj-type { font-size: 9px; color: var(--ink-soft); background: var(--paper) !important; }
.sr-summary-flex { display: flex; gap: 18px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 16px; }
.sr-summary-table { border-collapse: collapse; flex: 1; min-width: 240px; }
.sr-summary-table th, .sr-summary-table td { border: 1px solid var(--paper-line); padding: 8px 11px; font-size: 13px; }
.sr-summary-table thead th { background: linear-gradient(135deg, var(--blue-dark), var(--blue)); color: #fff; text-align: left; font-size: 12px; }
.sr-summary-table td.num, .sr-summary-table th.num { text-align: right; font-family: monospace; font-weight: 700; }
.sr-totals-box { border: 2px solid var(--gold); border-radius: var(--radius); min-width: 200px; padding: 12px 16px; background: var(--gold-light); }
.sr-totals-row { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; font-size: 13px; border-bottom: 1px dashed #E0D0A0; }
.sr-totals-row:last-child { border-bottom: none; }
.sr-big { font-size: 18px; font-weight: 900; color: var(--blue); }
.sr-sign-row { display: flex; justify-content: space-between; margin-top: 16px; font-size: 13px; flex-wrap: wrap; gap: 10px; padding-top: 14px; border-top: 1px solid var(--paper-line); }
.sr-sign-row i { display: inline-block; width: 160px; border-bottom: 1px solid #aaa; margin-left: 6px; }
.sr-print-btn { margin-bottom: 14px; }

/* ─── Admin stat grid ────────────────────────────── */
.sr-stat-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-bottom: 20px; }
.sr-stat-card { background: linear-gradient(135deg, var(--blue-dark), var(--blue)); color: #fff; border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 4px; box-shadow: 0 4px 14px rgba(16,51,160,.25); }
.sr-stat-num { font-family: monospace; font-size: 32px; font-weight: 900; }
.sr-stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; opacity: .85; }
.sr-hint { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }
.sr-section-title { margin: 22px 0 12px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--blue); border-bottom: 2px solid var(--blue-light); padding-bottom: 7px; }
.sr-list-card { background: var(--white); border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 16px; margin-bottom: 10px; box-shadow: var(--shadow); }
.sr-list-card label { display: flex; flex-direction: column; gap: 5px; font-size: 11px; color: var(--ink-soft); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 10px; }
.sr-list-card input, .sr-list-card select { font-family: inherit; font-size: 14px; padding: 9px 11px; border: 1.5px solid var(--paper-line); border-radius: 7px; background: var(--paper); color: var(--ink); }
.sr-list-card input:focus, .sr-list-card select:focus { outline: none; border-color: var(--blue); }
.sr-field-row { display: flex; gap: 10px; flex-wrap: wrap; }
.sr-field-row label { flex: 1; min-width: 120px; }
.sr-checkbox-label { flex-direction: row !important; align-items: center; gap: 8px !important; text-transform: none !important; font-weight: 600 !important; }
.sr-list-card-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.sr-add-form { border-color: var(--blue); border-width: 1.5px; }
.sr-teacher-card, .sr-row-card { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.sr-list-card code { background: var(--blue-light); color: var(--blue-dark); padding: 2px 7px; border-radius: 4px; font-family: monospace; font-size: 13px; font-weight: 700; }
.sr-checklist { display: grid; grid-template-columns: repeat(auto-fill,minmax(140px,1fr)); gap: 8px; padding: 0; margin: 10px 0; }
.sr-checklist .sr-checkbox-label { background: var(--paper); border: 1px solid var(--paper-line); border-radius: 7px; padding: 8px 11px; margin-bottom: 0; }
.sr-pill-tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.sr-pill { border: 1.5px solid var(--paper-line); background: var(--white); color: var(--ink-soft); padding: 8px 18px; border-radius: 20px; font-size: 13px; font-weight: 700; cursor: pointer; }
.sr-pill.active { background: var(--blue); color: #fff; border-color: var(--blue); box-shadow: 0 2px 8px rgba(16,51,160,.25); }
.sr-rank-card { display: flex; align-items: center; gap: 13px; }
.sr-rank-badge { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), #2244CC); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 900; font-family: monospace; flex-shrink: 0; font-size: 14px; box-shadow: 0 2px 6px rgba(16,51,160,.30); }
.sr-rank-info { flex: 1; }
.sr-rank-pct { text-align: right; font-family: monospace; font-weight: 800; color: var(--blue); }
.sr-activity-card { border-left: 3px solid var(--blue); }
.sr-activity-action { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--blue); font-weight: 800; margin-bottom: 4px; }

/* ─── Responsive ─────────────────────────────────── */
@media (min-width: 600px) { .sr-stat-grid { grid-template-columns: repeat(4,1fr); } }
@media (min-width: 768px) { .sr-panel { padding: 20px 28px; } .sr-header { padding: 0 28px; } .sr-header-school { font-size: 20px; } }
@media (min-width: 1200px) { .sr-panel { padding: 24px 40px; } }

/* ─── Print ──────────────────────────────────────── */
@media print {
  .sr-print-btn { display: none !important; }
  .sr-header, .sr-tabs { display: none !important; }
  @page { size: A4 landscape; margin: 8mm; }
  .sr-card-frame { border: 1px solid #000; padding: 8px; box-shadow: none; }
  .sr-day-grid { font-size: 7px; }
  .sr-day-grid th, .sr-day-grid td { padding: 1px 2px; }
  .sr-summary-table th, .sr-summary-table td { font-size: 10px; padding: 3px 5px; }
}

/* ═══════════════════════════════════════════
   TEACHER DASHBOARD v2 — Grid + Detail views
   ═══════════════════════════════════════════ */

/* ── Centered inner wrapper ────────────────── */
.sr-inner {
  max-width: 900px;
  margin: 0 auto;
}

/* ── Header: mobile = stacked center ─────────── */
.sr-header {
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 14px 16px;
  gap: 8px;
}
.sr-header-school { text-align: center; }
.sr-header-teacher {
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.sr-logout-btn {
  border: 1.5px solid rgba(255,255,255,.55);
  background: transparent;
  color: #fff;
  border-radius: 7px;
  padding: 7px 16px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: .04em;
  transition: background .15s, border-color .15s;
  display: inline-block;
}
.sr-logout-btn:hover { background: rgba(255,255,255,.18); border-color: #fff; color: #fff; }

/* Desktop header: two columns */
@media (min-width: 640px) {
  .sr-header { flex-direction: row; align-items: center; text-align: left; padding: 0 24px; min-height: 64px; gap: 14px; }
  .sr-header-school { text-align: left; }
  .sr-header-teacher { flex-direction: row; align-items: center; gap: 14px; }
}

/* ── Class grid ──────────────────────────────── */
.sr-class-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 24px 20px;
}
@media (min-width: 480px) { .sr-class-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 700px) { .sr-class-grid { grid-template-columns: repeat(4, 1fr); } }

.sr-class-card {
  background: var(--white);
  border: 2px solid var(--paper-line);
  border-radius: 14px;
  padding: 20px 12px;
  cursor: pointer;
  text-align: center;
  transition: all .2s;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.sr-class-card:hover {
  border-color: var(--blue);
  background: var(--blue-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(16,51,160,.18);
}
.sr-class-card:active { transform: scale(.97); }
.sr-class-card-label {
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gold);
}
.sr-class-card-subject {
  font-size: 17px;
  font-weight: 900;
  color: var(--blue);
  line-height: 1.2;
}

/* ── Detail view top bar ─────────────────────── */
.sr-detail-topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  background: var(--white);
  border-bottom: 1px solid var(--paper-line);
  position: sticky;
  top: 64px; /* below header */
  z-index: 50;
  box-shadow: 0 2px 6px rgba(16,51,160,.07);
}
.sr-back-btn {
  background: none;
  border: 1.5px solid var(--paper-line);
  border-radius: 7px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  color: var(--blue);
  white-space: nowrap;
  transition: all .15s;
  flex-shrink: 0;
}
.sr-back-btn:hover { background: var(--blue-light); border-color: var(--blue); }
.sr-detail-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Marks table columns fixed ───────────────── */
.sr-col-roll { width: 52px; }
.sr-col-name { min-width: 120px; }
.sr-col-marks { width: 240px; }

/* ── Marks input — smaller ───────────────────── */
.sr-mark-input {
  width: 50px !important;
  padding: 6px 6px !important;
  font-size: 14px !important;
  border-radius: 6px !important;
  text-align: center !important;
}

/* ── Save button per row ─────────────────────── */
.sr-save-mark-btn {
  padding: 6px 12px;
  background: var(--blue);
  color: #fff !important;
  border: none;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: .02em;
  transition: background .15s, opacity .15s;
  flex-shrink: 0;
}
.sr-save-mark-btn:hover { background: var(--blue-dark); }
.sr-save-mark-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Add test button — white text ─────────────── */
.sr-add-test-btn {
  color: #fff !important;
  font-size: 15px;
}

/* ── Status buttons colored ──────────────────── */
.sr-status-btn { min-width: 28px; height: 28px; font-size: 11px; border-radius: 6px; }
.sr-status-btn[data-status="A"]:hover,.sr-status-btn[data-status="A"].active{background:#FFE0E0;border-color:var(--red);color:var(--red);}
.sr-status-btn[data-status="N"]:hover,.sr-status-btn[data-status="N"].active{background:#EBEBEB;border-color:#555;color:#333;}
.sr-status-btn[data-status="C"]:hover,.sr-status-btn[data-status="C"].active{background:#FFF0D0;border-color:var(--warn);color:var(--warn);}

/* ── Error / saved input states ──────────────── */
.sr-mark-input.sr-error { border-color: var(--red) !important; background: #FFF0F0 !important; }
.sr-mark-input.sr-saved { border-color: var(--success) !important; background: #EFFFEF !important; }
.sr-mark-input.sr-status-active { background: #F4F4F4 !important; border-style: dashed !important; color: var(--ink-soft) !important; }
.sr-row-state { font-size: 12px; font-weight: 800; min-width: 20px; }
.sr-row-state.ok { color: var(--success); }
.sr-row-state.err { color: var(--red); font-size: 11px; white-space: nowrap; }

/* ── Single Save All button at bottom of roster ── */
.sr-save-all-wrap {
  padding: 16px 0 8px;
  display: flex;
  justify-content: center;
}
.sr-save-all-btn {
  background: var(--blue-dark);
  color: #fff !important;
  border: none;
  border-radius: 10px;
  padding: 14px 48px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  letter-spacing: .04em;
  box-shadow: 0 4px 16px rgba(10,30,120,.30);
  transition: background .15s, transform .1s, box-shadow .15s;
  min-width: 200px;
}
.sr-save-all-btn:hover {
  background: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10,30,120,.40);
}
.sr-save-all-btn:active { transform: scale(.98); }
.sr-save-all-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.sr-save-all-btn.sr-save-done {
  background: var(--success);
  box-shadow: 0 4px 14px rgba(26,122,58,.30);
}

/* ── Per-row save btn — hidden now (kept for safety) ── */
.sr-save-mark-btn { display: none; }

/* A N C buttons — center align */
.sr-mark-cell { justify-content: center; }
.sr-col-marks { text-align: center; }

/* ── Centering fix (override specificity) ── */
.sr-roster td:last-child {
  text-align: center !important;
  vertical-align: middle !important;
}
.sr-mark-cell {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  flex-wrap: nowrap !important;
}

/* ── Save button hard-coded colors (fix variable issue) ── */
.sr-save-all-btn {
  background-color: #0A1E78 !important;
  color: #ffffff !important;
  border: none !important;
  font-size: 16px !important;
  font-weight: 800 !important;
  padding: 14px 48px !important;
  border-radius: 10px !important;
  cursor: pointer !important;
  box-shadow: 0 4px 16px rgba(10,30,120,.35) !important;
  min-width: 200px !important;
}
.sr-save-all-btn:hover { background-color: #1033A0 !important; }
.sr-save-all-btn:disabled { opacity: .6 !important; cursor: not-allowed !important; }
.sr-save-all-btn.sr-save-done { background-color: #1a7a3a !important; }

/* ── Final center fix: inline-flex centers inside td ── */
.sr-mark-cell {
  display: inline-flex !important;
  justify-content: center !important;
  align-items: center !important;
  gap: 6px !important;
}

/* ── Excel Import Section ──────────────────── */
.sr-import-wrap { margin-top: 20px; }
.sr-import-section, #sr-import-section { /* nothing — hidden by default */ }
.sr-import-box {
  background: #fff;
  border: 2px dashed #1033A0;
  border-radius: 12px;
  padding: 20px;
  margin-top: 12px;
}
.sr-import-title { font-size: 14px; font-weight: 800; color: #0A1E78; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .04em; }
.sr-import-format-table { border-collapse: collapse; width: 100%; margin-bottom: 10px; font-size: 13px; }
.sr-import-format-table th { background: #0A1E78; color: #fff; padding: 8px 12px; text-align: left; font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.sr-import-format-table td { border: 1px solid #D4D9EE; padding: 10px 12px; background: #EEF2FF; }
.sr-import-format-table td strong { color: #0A1E78; display: block; font-size: 14px; }
.sr-import-format-table td span { font-size: 11px; color: #5B6B86; }
.sr-import-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 14px 0; }
.sr-file-label {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px; background: #0A1E78; color: #fff !important;
  border-radius: 8px; font-size: 13px; font-weight: 700;
  cursor: pointer; transition: background .15s;
}
.sr-file-label:hover { background: #1033A0; }
.sr-file-label input[type="file"] { display: none; }
.sr-import-preview-head { font-size: 14px; margin: 14px 0 8px; }
.sr-import-confirm-wrap { display: flex; justify-content: center; margin-top: 14px; }
.sr-import-error { color: #CC1414; font-weight: 700; padding: 10px 14px; background: #FFF0F0; border-radius: 7px; border-left: 3px solid #CC1414; margin-top: 10px; font-size: 13px; }
.sr-import-success { color: #1a7a3a; font-weight: 700; padding: 14px 18px; background: #EFFFEF; border-radius: 8px; border-left: 3px solid #1a7a3a; margin-top: 12px; font-size: 14px; }

/* ── Month navigation pills ─────────────── */
.sr-month-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.sr-month-nav-pill {
  padding: 7px 16px;
  border-radius: 20px;
  border: 1.5px solid #D4D9EE;
  background: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  color: #5B6B86;
  transition: all .15s;
}
.sr-month-nav-pill:hover { background: #EEF2FF; border-color: #1033A0; color: #1033A0; }
.sr-month-nav-pill.active { background: #1033A0; color: #fff; border-color: #1033A0; box-shadow: 0 2px 8px rgba(16,51,160,.25); }