/* ── Student portal theme ─────────────────────────────────────────────── */
:root {
  --student-color: var(--neon-cyan);
  --student-dark:  #38b2ac;
  --student-light: #4fd1c7;
  --student-bg:    rgba(79,209,199,0.12);
}
[data-theme="light"] {
  --student-color: #2563a8;
  --student-dark:  #1a4a80;
  --student-light: #3a7bd5;
  --student-bg:    #dce8fb;
}

/* Topbar */
.student-topbar {
  background: rgba(6, 11, 24, 0.9);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
}
[data-theme="light"] .student-topbar { background: var(--student-color); backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom-color: transparent; }

.student-brand-icon { background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue)) !important; }
[data-theme="light"] .student-brand-icon { background: rgba(255,255,255,0.2) !important; }
.student-avatar { background: var(--neon-cyan) !important; }
[data-theme="light"] .student-avatar { background: var(--student-light) !important; }

/* Auth page */
.student-auth-page {
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(79,209,199,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 90%, rgba(99,179,237,0.06) 0%, transparent 50%);
}
[data-theme="light"] .student-auth-page { background: linear-gradient(135deg, #1a4a80 0%, #3a7bd5 100%); background-image: none; }

.student-logo-icon {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue)) !important;
  box-shadow: var(--glow-cyan) !important;
}
[data-theme="light"] .student-logo-icon { background: var(--student-color) !important; box-shadow: none !important; }

.btn-student {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  color: #fff;
  border: 1px solid rgba(79,209,199,0.4);
  box-shadow: 0 4px 15px rgba(79,209,199,0.25);
}
.btn-student:hover {
  box-shadow: 0 6px 25px rgba(79,209,199,0.4), var(--glow-cyan);
  transform: translateY(-1px); color: #fff;
}
[data-theme="light"] .btn-student { background: var(--student-color); border-color: var(--student-color); box-shadow: 0 2px 6px rgba(37,99,168,0.2); }
[data-theme="light"] .btn-student:hover { background: var(--student-dark); box-shadow: 0 4px 10px rgba(37,99,168,0.3); transform: none; }

/* Auth logo — override base with cyan gradient for student */
.student-auth-page .auth-logo h1 {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
[data-theme="light"] .student-auth-page .auth-logo h1 { background: none; -webkit-text-fill-color: #1a3a5c; color: #1a3a5c; }

/* Welcome block */
.student-welcome { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 10px; }
.student-welcome h2 {
  font-size: 1.5rem; color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  background: linear-gradient(135deg, var(--text-primary), var(--neon-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
[data-theme="light"] .student-welcome h2 { background: none; -webkit-text-fill-color: #1a3a5c; color: #1a3a5c; }
.section-heading { font-size: 1rem; color: var(--text-secondary); margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
[data-theme="light"] .section-heading { color: #6c757d; }

/* Subject cards grid */
.student-subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.subject-card {
  background: var(--glass-bg);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  cursor: pointer;
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), transform var(--transition-smooth);
  display: flex; flex-direction: column; gap: 7px;
  animation: cardEntrance 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}
.subject-card:hover {
  border-color: rgba(79,209,199,0.35);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), var(--glow-cyan);
  transform: translateY(-3px);
}
[data-theme="light"] .subject-card {
  background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none;
  border-color: #e2e6ea; box-shadow: 0 2px 8px rgba(0,0,0,0.08); animation: none;
}
[data-theme="light"] .subject-card:hover { border-color: var(--student-color); box-shadow: 0 4px 16px rgba(0,0,0,0.12); transform: translateY(-2px); }

.subject-card-header { display: flex; align-items: center; justify-content: space-between; }
.subject-card-title { font-size: 1rem; font-weight: 700; color: var(--text-primary); line-height: 1.3; font-family: 'Space Grotesk', sans-serif; }
.subject-card-meta  { font-size: 0.8rem; color: var(--text-secondary); }
[data-theme="light"] .subject-card-title { color: #1a3a5c; }
[data-theme="light"] .subject-card-meta  { color: #6c757d; }

/* Grade pills on card */
.subject-grade-row { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.grade-pill {
  flex: 1; min-width: 72px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
  padding: 7px 10px; text-align: center;
  transition: border-color var(--transition-fast);
}
.grade-pill:hover { border-color: rgba(79,209,199,0.3); }
.grade-pill-label { display: block; font-size: 0.7rem; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.grade-pill-value { display: block; font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
.grade-pill-final {
  background: linear-gradient(135deg, rgba(79,209,199,0.2), rgba(99,179,237,0.2));
  border-color: rgba(79,209,199,0.35);
}
.grade-pill-final .grade-pill-label { color: var(--neon-cyan); opacity: 0.8; }
.grade-pill-final .grade-pill-value { color: var(--neon-cyan); }
.grade-pill-pass { background: rgba(104,211,145,0.15) !important; border-color: rgba(104,211,145,0.3) !important; }
.grade-pill-pass .grade-pill-value { color: var(--neon-green); }
.grade-pill-fail { background: rgba(252,129,129,0.15) !important; border-color: rgba(252,129,129,0.3) !important; }
.grade-pill-fail .grade-pill-value { color: var(--neon-danger); }

[data-theme="light"] .grade-pill { background: #f5f6f8; border-color: #e2e6ea; }
[data-theme="light"] .grade-pill-label { color: #6c757d; }
[data-theme="light"] .grade-pill-value { color: #343a40; }
[data-theme="light"] .grade-pill-final  { background: #2563a8; border-color: #2563a8; }
[data-theme="light"] .grade-pill-final .grade-pill-label { color: rgba(255,255,255,0.7); }
[data-theme="light"] .grade-pill-final .grade-pill-value { color: #fff; }
[data-theme="light"] .grade-pill-pass { background: #d4edda !important; border-color: #2d8a4e !important; }
[data-theme="light"] .grade-pill-pass .grade-pill-value { color: #2d8a4e; }
[data-theme="light"] .grade-pill-fail { background: #fde8e6 !important; border-color: #c0392b !important; }
[data-theme="light"] .grade-pill-fail .grade-pill-value { color: #c0392b; }

.subject-card-footer { margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--glass-border); display: flex; justify-content: flex-end; }
[data-theme="light"] .subject-card-footer { border-top-color: #e9ecef; }

/* ── Grades detail page ───────────────────────────────────────────────── */
.student-info-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--radius-md); padding: 16px 20px; margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
[data-theme="light"] .student-info-card { background: #fff; border-color: #e2e6ea; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }

.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px 20px; }
.info-label { display: block; font-size: 0.75rem; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.info-val   { display: block; font-size: 0.9rem; color: var(--text-primary); font-weight: 500; margin-top: 2px; }
[data-theme="light"] .info-label { color: #6c757d; }
[data-theme="light"] .info-val   { color: #343a40; }

/* Final grade banner */
.final-grade-banner {
  border-radius: var(--radius-md); padding: 20px 24px; margin-bottom: 24px;
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
  border-width: 2px; border-style: solid;
  backdrop-filter: blur(8px);
}
.final-pass { background: rgba(104,211,145,0.1); border-color: var(--neon-green); color: var(--neon-green); }
.final-fail { background: rgba(252,129,129,0.1); border-color: var(--neon-danger); color: var(--neon-danger); }
.final-inc  { background: rgba(148,163,184,0.08); border-color: var(--text-secondary); color: var(--text-secondary); }
.final-cond { background: rgba(246,173,85,0.1); border-color: var(--neon-amber); color: var(--neon-amber); }
[data-theme="light"] .final-grade-banner { backdrop-filter: none; }
[data-theme="light"] .final-pass { background: #d4edda; border-color: #2d8a4e; color: #2d8a4e; }
[data-theme="light"] .final-fail { background: #fde8e6; border-color: #c0392b; color: #c0392b; }
[data-theme="light"] .final-inc  { background: #e9ecef; border-color: #adb5bd; color: #6c757d; }
[data-theme="light"] .final-cond { background: #fff3cd; border-color: #d4840a; color: #d4840a; }

.final-grade-label { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; color: inherit; opacity: 0.75; }
.final-grade-value { font-size: 2.4rem; font-weight: 800; line-height: 1; color: inherit; }
.final-grade-mid   { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.final-term-block  { text-align: center; }
.final-term-label  { display: block; font-size: 0.72rem; color: inherit; opacity: 0.7; font-weight: 600; }
.final-term-val    { display: block; font-size: 1.3rem; font-weight: 700; }
.final-term-sep    { font-size: 1.2rem; opacity: 0.5; }
.final-grade-right { margin-left: auto; }
.badge-lg { font-size: 0.9rem; padding: 5px 14px; }
.final-gp-row     { display: flex; align-items: baseline; gap: 6px; margin-top: 6px; }
.final-gp-point   { font-size: 1.5rem; font-weight: 800; line-height: 1; color: inherit; opacity: 0.9; }
.final-gp-desc    { font-size: 0.78rem; font-weight: 600; opacity: 0.75; text-transform: uppercase; letter-spacing: 0.3px; }

/* Term section */
.term-section { margin-bottom: 32px; }
.term-heading {
  font-size: 1.15rem; color: var(--neon-cyan); font-weight: 700;
  padding-bottom: 8px; border-bottom: 2px solid rgba(79,209,199,0.2); margin-bottom: 16px;
  font-family: 'Space Grotesk', sans-serif;
}
[data-theme="light"] .term-heading { color: #1a3a5c; border-bottom-color: #e2e6ea; }

.term-layout { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 900px) { .term-layout { grid-template-columns: 1fr 340px; } }

.term-scores-card, .term-grade-card, .term-att-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--radius-md); padding: 18px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.term-scores-card h4, .term-grade-card h4, .term-att-card h4 {
  font-size: 0.9rem; color: var(--neon-cyan); margin-bottom: 12px;
  padding-bottom: 8px; border-bottom: 1px solid var(--glass-border);
  font-family: 'Space Grotesk', sans-serif;
}
.term-right-col { display: flex; flex-direction: column; gap: 14px; }
[data-theme="light"] .term-scores-card,
[data-theme="light"] .term-grade-card,
[data-theme="light"] .term-att-card { background: #fff; border-color: #e2e6ea; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
[data-theme="light"] .term-scores-card h4,
[data-theme="light"] .term-grade-card h4,
[data-theme="light"] .term-att-card h4 { color: #1a3a5c; border-bottom-color: #e9ecef; }

/* Component score breakdown */
.comp-section  { margin-bottom: 16px; }
.comp-header   { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.comp-badge    { padding: 2px 8px; border-radius: 5px; font-size: 0.75rem; font-weight: 700; color: #fff; }
.comp-badge-a  { background: rgba(99,179,237,0.6); }
.comp-badge-b  { background: rgba(104,211,145,0.6); }
.comp-badge-c  { background: rgba(246,173,85,0.6); }
.comp-name     { font-weight: 600; font-size: 0.85rem; color: var(--text-primary); }
.comp-weight   { font-size: 0.78rem; color: var(--text-secondary); }
.comp-avg      { margin-left: auto; font-size: 0.9rem; font-weight: 700; color: var(--neon-cyan); }
[data-theme="light"] .comp-badge-a { background: #1e4d7b; }
[data-theme="light"] .comp-badge-b { background: #1a5c3a; }
[data-theme="light"] .comp-badge-c { background: #6b3a1f; }
[data-theme="light"] .comp-name    { color: #343a40; }
[data-theme="light"] .comp-avg     { color: #2563a8; }

.score-detail-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.score-detail-table th { background: var(--bg-surface); padding: 6px 10px; border: 1px solid var(--glass-border); font-weight: 600; text-align: left; color: var(--text-secondary); }
.score-detail-table td { padding: 6px 10px; border: 1px solid rgba(255,255,255,0.05); color: var(--text-primary); }
.score-detail-table tbody tr:hover td { background: rgba(99,179,237,0.04); }
.text-center { text-align: center; }
[data-theme="light"] .score-detail-table th { background: #f5f6f8; border-color: #e2e6ea; color: #6c757d; }
[data-theme="light"] .score-detail-table td { border-color: #e9ecef; color: #343a40; }
[data-theme="light"] .score-detail-table tbody tr:hover td { background: #f6f9ff; }

/* Attendance summary pills */
.att-summary-pills { display: flex; gap: 10px; justify-content: center; margin-bottom: 4px; }
.att-pill { flex: 1; text-align: center; border-radius: var(--radius-md); padding: 10px 6px; }
.att-pill span  { display: block; font-size: 1.5rem; font-weight: 700; }
.att-pill small { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; }
.att-pill-present { background: rgba(104,211,145,0.12); color: var(--neon-green); border: 1px solid rgba(104,211,145,0.25); }
.att-pill-late    { background: rgba(246,173,85,0.12);  color: var(--neon-amber);  border: 1px solid rgba(246,173,85,0.25); }
.att-pill-absent  { background: rgba(252,129,129,0.12); color: var(--neon-danger); border: 1px solid rgba(252,129,129,0.25); }
[data-theme="light"] .att-pill-present { background: #d4edda; color: #2d8a4e; border-color: #b8ddc4; }
[data-theme="light"] .att-pill-late    { background: #fff3cd; color: #d4840a; border-color: #ffe083; }
[data-theme="light"] .att-pill-absent  { background: #fde8e6; color: #c0392b; border-color: #f5c6cb; }

/* Attendance session log */
.att-log-details { margin-top: 12px; }
.att-log-details summary { font-size: 0.82rem; color: var(--neon-cyan); cursor: pointer; font-weight: 600; padding: 4px 0; }
.att-log { margin-top: 8px; display: flex; flex-direction: column; gap: 4px; max-height: 240px; overflow-y: auto; }
.att-log-row { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; padding: 3px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.att-dot { width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.72rem; flex-shrink: 0; }
.att-dot-present { background: rgba(104,211,145,0.2); color: var(--neon-green); }
.att-dot-late    { background: rgba(246,173,85,0.2);  color: var(--neon-amber); }
.att-dot-absent  { background: rgba(252,129,129,0.2); color: var(--neon-danger); }
.att-date        { color: var(--text-primary); font-weight: 500; }
.att-session-label { color: var(--text-secondary); font-size: 0.75rem; }
.att-status-text { margin-left: auto; font-size: 0.75rem; font-weight: 600; }
.text-present { color: var(--neon-green); }
.text-late    { color: var(--neon-amber); }
.text-absent  { color: var(--neon-danger); }
.text-pass    { color: var(--neon-green); font-weight: 700; }
.text-fail    { color: var(--neon-danger); font-weight: 700; }
[data-theme="light"] .att-log-row { border-bottom-color: #e9ecef; }
[data-theme="light"] .att-log-details summary { color: #2563a8; }
[data-theme="light"] .att-dot-present { background: #d4edda; color: #2d8a4e; }
[data-theme="light"] .att-dot-late    { background: #fff3cd; color: #d4840a; }
[data-theme="light"] .att-dot-absent  { background: #fde8e6; color: #c0392b; }
[data-theme="light"] .att-date        { color: #343a40; }
[data-theme="light"] .att-session-label { color: #6c757d; }
[data-theme="light"] .text-present { color: #2d8a4e; }
[data-theme="light"] .text-late    { color: #d4840a; }
[data-theme="light"] .text-absent  { color: #c0392b; }
[data-theme="light"] .text-pass    { color: #2d8a4e; }
[data-theme="light"] .text-fail    { color: #c0392b; }

/* ── Grading scale reference (student) ─────────────────────────────── */
.student-grade-ref {
  margin-bottom: 24px; border: 1px solid var(--glass-border);
  border-radius: var(--radius-md); background: var(--glass-bg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3); overflow: hidden;
}
.student-grade-ref summary {
  padding: 12px 18px; font-size: 0.875rem; font-weight: 600;
  color: var(--neon-cyan); cursor: pointer; user-select: none;
  list-style: none; display: flex; align-items: center; gap: 8px;
}
.student-grade-ref summary::before { content: '▶'; font-size: 0.65rem; transition: transform 0.2s ease; display: inline-block; }
.student-grade-ref[open] summary::before { transform: rotate(90deg); }
.student-grade-ref summary:hover { background: rgba(255,255,255,0.04); }
.student-ref-body { border-top: 1px solid var(--glass-border); overflow-x: auto; }
.student-ref-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.student-ref-table th { background: rgba(99,179,237,0.15); color: var(--text-primary); padding: 8px 16px; text-align: left; font-weight: 600; white-space: nowrap; }
.student-ref-table td { padding: 7px 16px; border-bottom: 1px solid rgba(255,255,255,0.05); color: var(--text-primary); }
.student-ref-table tr:last-child td { border-bottom: none; }
.ref-pass        td { background: rgba(104,211,145,0.06); }
.ref-conditional td { background: rgba(246,173,85,0.06); }
.ref-fail        td { background: rgba(252,129,129,0.06); }
.student-ref-table tr:hover td { filter: brightness(1.08); }
[data-theme="light"] .student-grade-ref { background: #fff; border-color: #e2e6ea; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
[data-theme="light"] .student-grade-ref summary { color: #1a3a5c; }
[data-theme="light"] .student-grade-ref summary:hover { background: #f5f6f8; }
[data-theme="light"] .student-ref-body { border-top-color: #e2e6ea; }
[data-theme="light"] .student-ref-table th { background: #1a3a5c; color: #fff; }
[data-theme="light"] .student-ref-table td { border-bottom-color: #e9ecef; }
[data-theme="light"] .ref-pass        td { background: #f5fffa; }
[data-theme="light"] .ref-conditional td { background: #fffbf0; }
[data-theme="light"] .ref-fail        td { background: #fff5f5; }

/* Login page link on faculty login */
.student-login-link { display: block; text-align: center; margin-top: 10px; font-size: 0.85rem; color: var(--text-secondary); }
[data-theme="light"] .student-login-link { color: #6c757d; }

/* ── Notifications ────────────────────────────────────────────────────── */
.notif-list { display: flex; flex-direction: column; gap: .75rem; }
.notif-item { background: var(--bg-card); border: 1px solid var(--glass-border); border-radius: 8px; padding: 1rem 1.25rem; color: var(--text-primary); }
.notif-item strong { color: var(--text-primary); }
.notif-item p { color: var(--text-secondary); }
.notif-meta { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-bottom: .35rem; }
[data-theme="light"] .notif-item { background: #fff; border-color: #e2e6ea; color: #212529; }
[data-theme="light"] .notif-item strong { color: #1a3a5c; }
[data-theme="light"] .notif-item p { color: #6c757d; }

/* ── Attendance calendar ──────────────────────────────────────────────── */
.att-calendar-wrap { margin-top: 1rem; }
.att-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: .5rem; }
.att-cell { display: flex; flex-direction: column; align-items: center; padding: .5rem .25rem;
            border-radius: 6px; border: 1px solid #e5e7eb; font-size: .8em; }
.att-cell.att-present { background: #f0fdf4; }
.att-cell.att-late    { background: #fffbeb; }
.att-cell.att-absent  { background: #fff1f2; }
.att-icon { font-size: 1.1em; }
.att-date  { font-size: .75em; color: #6b7280; margin-top: .15rem; }

/* ── Grade simulator ─────────────────────────────────────────────────── */
.sim-row { display: flex; align-items: center; justify-content: space-between; padding: .35rem 0; border-bottom: 1px solid #f0f0f0; }
.sim-result-card { background: #f8fafc; border: 2px solid #3b82f6; border-radius: 10px; padding: 1rem 1.5rem; margin-top: 1rem; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }

/* Print */
@media print {
  .student-topbar, .back-link, .no-print, .att-log-details summary { display: none !important; }
  .final-grade-banner { border: 2px solid #333 !important; }
}

/* ── Mobile hamburger ────────────────────────────────────────────────── */
.student-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  border-radius: 6px;
  transition: background .15s;
}
.student-nav-toggle:hover { background: rgba(255,255,255,.08); }
[data-theme="light"] .student-nav-toggle:hover { background: rgba(255,255,255,.2); }
.student-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
[data-theme="light"] .student-nav-toggle span { background: #fff; }
/* Animate to X when open */
.student-nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.student-nav-toggle.open span:nth-child(2) { opacity: 0; }
.student-nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile slide-down nav ───────────────────────────────────────────── */
.student-mobile-nav {
  display: none;
  background: rgba(6, 11, 24, 0.97);
  border-bottom: 1px solid var(--glass-border);
  flex-direction: column;
  padding: 8px 0;
  animation: mobileNavDrop .18s ease;
}
[data-theme="light"] .student-mobile-nav {
  background: var(--student-color);
  border-bottom-color: rgba(255,255,255,.15);
}
@keyframes mobileNavDrop {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.student-mobile-nav.open { display: flex; }
.student-mobile-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  color: var(--text-secondary);
  font-size: .92rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.05);
  transition: background .15s, color .15s;
}
.student-mobile-nav a:last-child { border-bottom: none; }
.student-mobile-nav a:hover { background: rgba(255,255,255,.06); color: var(--text-primary); }
[data-theme="light"] .student-mobile-nav a { color: rgba(255,255,255,.85); border-bottom-color: rgba(255,255,255,.12); }
[data-theme="light"] .student-mobile-nav a:hover { background: rgba(255,255,255,.15); color: #fff; }
.student-mobile-nav .mobile-nav-logout { color: var(--text-muted); }
[data-theme="light"] .student-mobile-nav .mobile-nav-logout { color: rgba(255,255,255,.65); }
.mobile-nav-badge {
  background: #ef4444;
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  border-radius: 10px;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 480px) {
  .student-subjects-grid { grid-template-columns: 1fr; }
  .final-grade-banner { flex-direction: column; gap: 14px; }
  .info-grid { grid-template-columns: 1fr 1fr; }
  /* Show hamburger, hide all topbar links in the student topbar */
  .student-topbar .topbar-link { display: none !important; }
  .student-topbar .topbar-context { display: none; }
  .student-nav-toggle { display: flex; }
}