/* ============================================================================
   AUTH.CSS — Login Page & Teacher Dashboard
   ============================================================================ */

/* ── LOGIN PAGE — Full-screen split layout ──────────────────────────────────── */

html:has(.k2s-login-wrap),
body:has(.k2s-login-wrap) {
  margin: 0 !important;
  padding: 0 !important;
  width: 100% !important;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

.k2s-login-wrap {
  display: flex;
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: 100%;
  height: 100vh;
  height: 100dvh;
  background: oklch(0.975 0.012 78);
  z-index: 1000;
  overflow: hidden;
}

/* LEFT — Branded panel (hidden on mobile) */
.k2s-login-panel {
  flex: 0 0 42%;
  background: oklch(0.17 0.014 78);
  color: oklch(0.96 0.012 78);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px 56px 104px;
  position: relative;
  overflow: hidden;
  border-right: 1px solid oklch(0.78 0.17 78 / 0.18);
}

.k2s-login-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, oklch(0.78 0.17 78 / 0.12), transparent 46%),
    linear-gradient(180deg, transparent, oklch(0 0 0 / 0.22));
  pointer-events: none;
}

/* Subtle scanline grid over the panel */
.k2s-login-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(0.96 0.01 78 / 0.045) 1px, transparent 1px),
    linear-gradient(90deg, oklch(0.96 0.01 78 / 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 70% at 30% 40%, black 0%, transparent 70%);
  pointer-events: none;
}

.k2s-login-panel-logo {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: contain;
  margin-bottom: 28px;
  position: relative;
}

.k2s-login-panel-title {
  font-family: var(--font-main);
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 800;
  line-height: 1.02;
  margin: 0 0 10px;
  letter-spacing: 0;
  text-transform: none;
  position: relative;
  color: oklch(0.97 0.012 78);
}

.k2s-login-panel-kicker {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: oklch(0.80 0.15 78);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.k2s-login-panel-kicker::before {
  content: '';
  width: 18px;
  height: 1px;
  background: oklch(0.80 0.15 78);
}

.k2s-login-panel-sub {
  font-size: 16px;
  font-weight: 500;
  color: oklch(0.78 0.025 78);
  margin: 0 0 40px;
  position: relative;
}

.k2s-login-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.k2s-login-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: oklch(0.91 0.014 78);
}

.k2s-login-features li::before {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: oklch(0.78 0.17 78 / 0.14);
  border: 1px solid oklch(0.78 0.17 78 / 0.34);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

.k2s-login-panel-footer {
  position: absolute;
  bottom: 32px;
  left: 56px;
  right: 56px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: 12px;
  line-height: 1.45;
  color: oklch(0.64 0.024 78);
  font-weight: 600;
}

.k2s-login-panel-footer span {
  white-space: normal;
}

.k2s-login-panel-footer span + span::before {
  content: '·';
  margin-right: 10px;
  color: oklch(0.80 0.15 78 / 0.7);
}

/* RIGHT — Form panel */
.k2s-login-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(40px, 6vh, 80px) clamp(32px, 6vw, 80px);
  background:
    linear-gradient(180deg, oklch(0.99 0.006 78), oklch(0.965 0.014 78));
  overflow-y: auto;
  max-width: none;
  border-radius: 0;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  animation: k2s-card-in 0.4s cubic-bezier(0.2,0.8,0.2,1) forwards;
}

@keyframes k2s-card-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Mobile logo shown only on small screens */
.k2s-login-mobile-header {
  display: none;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.k2s-login-mobile-header img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: contain;
}

.k2s-login-mobile-header-text strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  color: var(--text-1);
}

.k2s-login-mobile-header-text span {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 600;
}

.k2s-login-heading {
  font-family: var(--font-main) !important;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: oklch(0.20 0.018 78);
  letter-spacing: 0;
  line-height: 1;
  margin: 0 0 10px;
}

.k2s-login-heading-sub {
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.55;
  color: oklch(0.43 0.022 78);
  font-weight: 500;
  margin: 0 0 28px;
}

/* Role toggle */
.k2s-role-toggle {
  display: flex;
  gap: 4px;
  background: oklch(0.94 0.01 78);
  border: 1px solid oklch(0.78 0.035 78 / 0.28);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
}

.k2s-role-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 12px 16px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: oklch(0.42 0.026 78);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
}

.k2s-role-btn .material-symbols-rounded { font-size: 18px; }

.k2s-role-btn.active {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: none;
}

.k2s-role-btn:not(.active):hover {
  background: oklch(0.98 0.006 78);
  color: oklch(0.23 0.024 78);
}

.k2s-role-btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.k2s-role-btn:focus:not(:focus-visible) { outline: none; }

/* Input fields */
.k2s-input-group {
  margin-bottom: 18px;
}

.k2s-input-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: oklch(0.31 0.024 78);
  margin-bottom: 7px;
  letter-spacing: 0.01em;
}

.k2s-input-group input {
  width: 100%;
  padding: 14px 15px;
  background: oklch(0.995 0.004 78);
  border: 1px solid oklch(0.78 0.035 78 / 0.34);
  border-radius: 8px;
  color: oklch(0.20 0.018 78);
  font-family: var(--font-main);
  font-size: 16px;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
}

.k2s-input-group input:focus {
  border-color: var(--accent);
  background: oklch(0.995 0.004 78);
  box-shadow: 0 0 0 3px oklch(0.78 0.17 78 / 0.16);
}

.k2s-input-group input::placeholder { color: oklch(0.56 0.018 78); }

/* Login button */
.k2s-login-btn {
  width: 100%;
  margin-top: 8px;
  min-height: 52px;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 700;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  letter-spacing: 0;
  transition: transform 0.12s, box-shadow 0.18s, background 0.18s;
  background: var(--accent) !important;
  color: var(--accent-ink) !important;
  border: none !important;
}

.k2s-login-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -16px oklch(0.16 0.018 78 / 0.65) !important;
}

.k2s-login-btn:active { transform: scale(0.99); }
.k2s-login-btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.k2s-login-btn:focus:not(:focus-visible) { outline: none; }
.k2s-login-btn:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

/* Error message */
.k2s-login-error {
  background: rgba(244,63,94,0.08);
  border: 1px solid rgba(244,63,94,0.25);
  border-radius: 10px;
  padding: 10px 14px;
  color: #dc2626;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.k2s-login-notice {
  background: rgba(16,185,129,0.10);
  border: 1px solid rgba(16,185,129,0.28);
  border-radius: 10px;
  padding: 10px 14px;
  color: #047857;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.k2s-login-notice.is-error {
  background: rgba(244,63,94,0.08);
  border-color: rgba(244,63,94,0.25);
  color: #dc2626;
}

/* Offline badge */
.k2s-offline-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 600;
  color: #d97706;
  margin-bottom: 20px;
}

/* Demo credentials */
.k2s-demo-wrap {
  margin-top: 22px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.k2s-demo-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--text-3);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  padding: 10px 14px;
  transition: border-color 0.18s, color 0.18s;
  font-family: var(--font-main);
}

.k2s-demo-toggle:hover { border-color: var(--accent); color: var(--accent); }
.k2s-demo-toggle .material-symbols-rounded { font-size: 18px; transition: transform 0.2s; }

.k2s-demo-table { margin-top: 12px; display: none; }
.k2s-demo-table.open { display: block; }

.k2s-demo-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 9px;
  transition: background 0.15s;
  cursor: pointer;
}

.k2s-demo-row:hover { background: var(--surface); }

.k2s-demo-avatar {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  color: white;
  flex-shrink: 0;
}

.k2s-demo-info { flex: 1; min-width: 0; }

.k2s-demo-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.k2s-demo-creds {
  font-size: 12px;
  color: var(--text-3);
  font-family: var(--font-mono);
}

.k2s-demo-badge {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 100px;
}

/* Login footer */
.k2s-login-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid oklch(0.78 0.035 78 / 0.22);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.k2s-login-footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: oklch(0.45 0.022 78);
  font-size: 13px;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s;
}

.k2s-login-footer a:hover { color: var(--accent); }
.k2s-login-footer span { color: oklch(0.62 0.018 78); font-size: 13px; }

/* Demo account grid */
.k2s-demo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 4px 0 8px;
}

.k2s-demo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s;
  outline: none;
  color: inherit;
}

.k2s-demo-card:hover,
.k2s-demo-card:focus {
  border-color: var(--accent);
  transform: translateY(-2px) scale(1.05);
}

.k2s-demo-card:active { transform: scale(0.97); }

.k2s-demo-initials {
  font-size: 24px;
  line-height: 1;
  display: block;
}

.k2s-demo-shortname {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-3);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

/* School code field */
#k2s-school-code {
  font-family: var(--font-mono);
  letter-spacing: .035em !important;
}

#k2s-school-code::placeholder {
  text-transform: uppercase;
  letter-spacing: .035em;
}

.k2s-optional-label {
  font-weight: 500;
  color: oklch(0.48 0.018 78);
  font-size: 11px;
}

.k2s-code-hint {
  margin: 7px 0 0;
  color: oklch(0.46 0.02 78);
  font-size: 12px;
  line-height: 1.35;
  font-weight: 600;
}

/* Link button style */
.k2s-login-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.15s;
}

.k2s-login-link:hover { opacity: 0.75; }

/* Mobile responsive */
@media (max-width: 767px) {
  .k2s-login-wrap { display: block; }
  .k2s-login-panel { display: none; }
  .k2s-login-card {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 36px 24px 28px;
    justify-content: flex-start;
  }
  .k2s-login-mobile-header {
    display: flex;
    margin-bottom: 26px;
  }
  .k2s-login-heading-sub { margin-bottom: 22px; }
  .k2s-role-toggle { margin-bottom: 20px; }
  .k2s-input-group { margin-bottom: 16px; }
  .k2s-login-btn { margin-top: 4px; }
  .k2s-login-aux { margin-top: 10px !important; }
  .k2s-login-footer {
    margin-top: 14px;
    padding-top: 12px;
    gap: 2px 7px;
  }
  .k2s-login-footer span:last-child {
    flex-basis: 100%;
    margin-top: -2px;
  }
  .k2s-demo-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .k2s-login-panel { flex: 0 0 38%; padding: 48px 40px; }
  .k2s-login-panel-footer { left: 40px; right: 40px; }
}

/* ── TEACHER DASHBOARD ──────────────────────────────────────────────────────── */

#k2s-teacher-dash {
  min-height: 100vh;
  background: var(--bg, #07080d);
  font-family: var(--font-main);
  color: #f0f2ff;
}

.k2s-t-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7,8,13,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.k2s-t-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 16px;
  color: #f0f2ff;
  flex-shrink: 0;
}

.k2s-t-teacher-badge {
  font-size: 14px;
  font-weight: 700;
  padding: 4px 12px;
  background: var(--accent-glow);
  border: 1px solid var(--border-2);
  border-radius: 100px;
  color: var(--accent-2);
}

.k2s-t-body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

/* Stats row */
.k2s-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.k2s-stat-card {
  background: rgba(13,15,24,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.k2s-stat-value {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}

.k2s-stat-label {
  font-size: 14px;
  font-weight: 700;
  color: #7b82a3;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Student grid */
.k2s-student-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.k2s-student-card {
  background: rgba(13,15,24,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
  cursor: default;
}

.k2s-student-card:hover {
  border-color: oklch(0.78 0.17 78 / 0.22);
  transform: translateY(-2px);
}

.k2s-student-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.k2s-student-avatar {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 18px;
  color: white;
  flex-shrink: 0;
}

.k2s-student-name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: #f0f2ff;
  margin-bottom: 2px;
}

.k2s-student-meta {
  font-size: 14px;
  color: #7b82a3;
  display: flex;
  align-items: center;
  gap: 8px;
}

.k2s-readiness-badge {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 100px;
}

.k2s-readiness-gd   { background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.k2s-readiness-exp  { background: oklch(0.78 0.17 78 / 0.12);  color: var(--accent-2); border: 1px solid oklch(0.78 0.17 78 / 0.28);  }
.k2s-readiness-sup  { background: rgba(244,63,94,0.12);   color: #fb7185; border: 1px solid rgba(244,63,94,0.25);  }

/* Stats row inside card */
.k2s-sc-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.k2s-sc-stat {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 10px;
  text-align: center;
}

.k2s-sc-stat-val {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 900;
  color: #f0f2ff;
  line-height: 1;
  margin-bottom: 3px;
}

.k2s-sc-stat-lbl {
  font-size: 11px;
  font-weight: 700;
  color: #7b82a3;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Progress bars in card */
.k2s-prog-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.k2s-prog-label {
  font-size: 14px;
  font-weight: 700;
  color: #8b92b3;
  width: 52px;
  flex-shrink: 0;
}

.k2s-prog-track {
  flex: 1;
  height: 7px;
  background: rgba(255,255,255,0.07);
  border-radius: 100px;
  overflow: hidden;
}

.k2s-prog-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 0.8s cubic-bezier(0.2,0.8,0.2,1);
}

.k2s-prog-pct {
  font-size: 14px;
  font-weight: 700;
  color: #7b82a3;
  width: 30px;
  text-align: right;
  flex-shrink: 0;
}

/* Section label */
.k2s-section-label {
  font-size: 14px;
  font-weight: 800;
  color: #7b82a3;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

/* Credentials table in teacher dash */
.k2s-cred-table {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 32px;
}

.k2s-cred-row {
  display: grid;
  grid-template-columns: 2fr 2fr 1.5fr 1fr;
  padding: 12px 20px;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  align-items: center;
  gap: 12px;
}

.k2s-cred-row:last-child { border-bottom: none; }

.k2s-cred-row.header {
  background: rgba(255,255,255,0.04);
  font-size: 12px;
  font-weight: 800;
  color: #7b82a3;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.k2s-cred-mono {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 14px;
}

/* Logout button */
.k2s-logout-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: rgba(244,63,94,0.1);
  border: 1px solid rgba(244,63,94,0.2);
  border-radius: 10px;
  color: #fb7185;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-main);
}

.k2s-logout-btn:hover {
  background: rgba(244,63,94,0.18);
  border-color: rgba(244,63,94,0.35);
}

.k2s-logout-btn .material-symbols-rounded { font-size: 16px; }

/* Tab panel */
.k2s-tab-panel { display: block; }

/* ── TAB NAVIGATION ─────────────────────────────────────────────────────────── */

.k2s-t-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.k2s-t-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: #7b82a3;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.k2s-t-tab .material-symbols-rounded { font-size: 16px; }
.k2s-t-tab:hover { background: rgba(255,255,255,0.06); color: #8b92b3; }
.k2s-t-tab.active { background: oklch(0.78 0.17 78 / 0.12); color: var(--accent-2); border: 1px solid oklch(0.78 0.17 78 / 0.22); }

/* ── SECTION HEADER ─────────────────────────────────────────────────────────── */

.k2s-t-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

/* ── READINESS PILLS ─────────────────────────────────────────────────────────── */

.k2s-readiness-pill {
  font-size: 14px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid transparent;
  white-space: nowrap;
}

/* ── STAT ICON ───────────────────────────────────────────────────────────────── */

.k2s-stat-icon { font-size: 22px; margin-bottom: 4px; }

/* ── PARENT REPORT BUTTON ────────────────────────────────────────────────────── */

.k2s-parent-report-btn {
  width: 100%;
  margin-top: 16px;
  padding: 9px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 12px;
  color: #60a5fa;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.k2s-parent-report-btn:hover { background: rgba(59,130,246,0.2); border-color: rgba(59,130,246,0.4); }

/* ── REPORT SELECTOR ────────────────────────────────────────────────────────── */

.k2s-report-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.k2s-report-select-btn {
  background: rgba(13,15,24,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 18px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
  font-family: var(--font-main);
}

.k2s-report-select-btn:hover { border-color: rgba(59,130,246,0.35); transform: translateY(-2px); }

/* ── PARENT REPORT MODAL ────────────────────────────────────────────────────── */

#k2s-report-modal-inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  background: rgba(13,15,24,0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 28px;
  padding: 40px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  animation: k2s-card-in 0.3s cubic-bezier(0.2,0.8,0.2,1) forwards;
}

.k2s-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  color: #7b82a3;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.k2s-modal-close:hover { background: rgba(244,63,94,0.12); border-color: rgba(244,63,94,0.25); color: #fb7185; }
.k2s-modal-close .material-symbols-rounded { font-size: 18px; }

/* ── REPORT SUBJECT CARDS ───────────────────────────────────────────────────── */

.k2s-report-subject-card {
  background: rgba(13,15,24,0.7);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 18px;
}

.k2s-report-stat {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 14px;
  text-align: center;
}

/* ── PRINT BUTTON ───────────────────────────────────────────────────────────── */

.k2s-print-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: oklch(0.78 0.17 78 / 0.10);
  border: 1px solid oklch(0.78 0.17 78 / 0.22);
  border-radius: 12px;
  color: var(--accent-2);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.k2s-print-btn:hover { background: oklch(0.78 0.17 78 / 0.20); border-color: oklch(0.78 0.17 78 / 0.38); }

@media print {
  #k2s-teacher-dash .k2s-t-topbar,
  .k2s-modal-close,
  .k2s-print-btn { display: none !important; }
  #k2s-report-modal { position: static !important; background: white !important; backdrop-filter: none !important; }
  #k2s-report-modal-inner { max-width: 100% !important; background: white !important; border: none !important; box-shadow: none !important; color: #000 !important; padding: 0 !important; }
}

/* ── Responsive */
@media (max-width: 768px) {
  .k2s-t-topbar { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px; }
  .k2s-t-logo { flex: none; }
  .k2s-t-tabs { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 2px; }
  .k2s-t-tab { font-size: 13px; padding: 6px 12px; }
  .k2s-t-section-head { flex-direction: column; }
  .k2s-report-selector { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  #k2s-report-modal-inner { padding: 24px 20px; }
}

@media (max-width: 600px) {
  .k2s-t-body { padding: 16px; }
  .k2s-student-grid { grid-template-columns: 1fr; }
  .k2s-sc-stats { grid-template-columns: repeat(2, 1fr); }
  .k2s-cred-row { grid-template-columns: 1fr 1fr; }
  .k2s-cred-row .k2s-cred-mono:last-child { display: none; }
  .k2s-report-selector { grid-template-columns: 1fr 1fr; }
  .k2s-roster-row { flex-wrap: wrap; }
  .k2s-roster-input { min-width: 100% !important; }
}

/* ── Animal Roster tab ─────────────────────────────────────────────────────── */
.k2s-roster-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 12px 14px;
  transition: border-color 0.15s;
}
.k2s-roster-row:hover { border-color: oklch(0.78 0.17 78 / 0.22); }
.k2s-roster-input:focus {
  border-color: oklch(0.78 0.17 78 / 0.48) !important;
  box-shadow: 0 0 0 3px oklch(0.78 0.17 78 / 0.09);
}