/* Sign-in page (index.html) — the product tour's dark look.
   Loaded after styles.css and scoped to body.login-page, so the dashboard and
   admin pages (which share styles.css) are untouched. Presentation only: every
   id / class that js/auth.js uses is left as it was. Tokens, type, buttons and
   background mirror css/onboarding.css. */

.login-page {
  /* Palette (same as the tour): near-black page, navy-black surfaces, teal
     accent, violet for actions. *-face colours keep white labels at AA; *-ink
     colours are the light steps for small text on dark. */
  --bg: #05060b;
  --surface: #0d1020;
  --surface-2: #141831;
  --field: #080a17;
  --field-line: #5b6696; /* input outline: 3.2:1 against the card (WCAG 1.4.11) */
  --ink: #eef1ff;
  --ink-2: #b9c1e2;
  --ink-3: #8d97bf;
  --line: #242b4a;
  --line-2: #171c36;
  --axis: #3a4370;

  --teal: #2dd4bb;
  --teal-bright: #2cc7ad;
  --teal-deep: #46dcc4;
  --teal-face: #0a8270;
  --teal-edge: #065a4b;
  --teal-tint: #0c2a2b;
  --teal-line: #17625a;

  --violet: #8b73ff;
  --violet-face: #6d4ff2;
  --violet-face-2: #4b32cf;
  --violet-edge: #33229e;
  --violet-ink: #bcaeff;
  --violet-tint: #191545;
  --violet-line: #392f86;

  --good-ink: #6fe08a;
  --good-tint: #0c2616;
  --bad-ink: #ff9b9b;
  --bad-tint: #2c1219;

  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-head: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --card-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 12px 28px -14px rgba(0, 0, 0, 0.75),
    0 2px 6px rgba(0, 0, 0, 0.4);
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);

  /* styles.css's own tokens, remapped so its rules (terms box, legal popup…)
     pick the dark palette up without being re-written. */
  --text: var(--ink);
  --text-muted: var(--ink-2);
  --border: var(--line);
  --primary: var(--violet-ink);
  --primary-hover: #d3caff;
  --danger-bg: var(--bad-tint);
  --danger-text: var(--bad-ink);
  --notice-bg: var(--good-tint);
  --notice-text: var(--good-ink);
  --radius: 22px;

  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 15px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.login-page [hidden] { display: none !important; }

.login-page :focus-visible {
  outline: 3px solid var(--violet);
  outline-offset: 2px;
}

.login-page .ico {
  width: 1em;
  height: 1em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============ Ambient background ============ */
.login-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: radial-gradient(1100px 560px at 82% -8%, rgba(109, 79, 242, 0.34) 0%, transparent 62%),
    radial-gradient(900px 560px at -8% 34%, rgba(44, 199, 173, 0.2) 0%, transparent 60%), var(--bg);
}
.login-bg-blob { position: absolute; border-radius: 50%; filter: blur(72px); }
.login-bg-blob--a {
  width: 520px; height: 520px; right: -120px; top: 14%; opacity: 0.3;
  background: linear-gradient(135deg, #5b3fe0, #2f6fd6);
}
.login-bg-blob--b { width: 420px; height: 420px; left: -150px; bottom: -90px; opacity: 0.22; background: #12a58b; }
.login-bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 42%, #000 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at 70% 42%, #000 0%, transparent 70%);
}

/* ============ Header ============ */
.login-page .page { min-height: 100vh; }
@supports (min-height: 100dvh) { .login-page .page { min-height: 100dvh; } }

.login-page .topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  padding: max(12px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) 12px max(24px, env(safe-area-inset-left));
  background: rgba(5, 6, 11, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.login-page .brand { display: flex; align-items: center; gap: 14px; }
/* The supplied logo (light version: its navy letters would vanish on the dark theme) */
.login-page .brand-logo { display: block; height: 40px; width: auto; flex: none; }
.login-page .brand-tag {
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 9.5px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ============ Hero copy ============ */
/* Top-aligned (like the tour) so the card doesn't jump when its height changes
   — a message appearing, or switching between Parent and Student. */
.login-page .hero {
  max-width: 1180px;
  align-items: flex-start;
  gap: 56px;
  padding: 72px 24px 72px;
}

.login-page .hero-copy {
  flex: 1 1 400px;
  max-width: 520px;
}

.login-page .hero-copy h1 {
  margin: 0 0 16px;
  font: 800 clamp(28px, 4vw, 46px)/1.1 var(--font-head);
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.login-page .hero-copy h1 .is-accent { color: var(--teal); display: block; }

.login-page .hero-copy p {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 15.5px;
  color: var(--ink-2);
}

.login-page .hero-points {
  display: grid;
  gap: 10px;
  font-size: 14.5px;
}

.login-page .hero-points li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(13, 16, 32, 0.72);
  box-shadow: var(--card-shadow);
  font: 700 14.5px/1.3 var(--font-head);
  color: var(--ink);
}
/* styles.css draws a "✓" bullet here — the icon tile replaces it. */
.login-page .hero-points li::before { content: none; }

.hero-ico {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 18px;
  color: #fff;
  background: var(--teal-face);
  box-shadow: 0 3px 0 var(--teal-edge), 0 8px 16px -6px rgba(16, 163, 138, 0.55);
}

/* ============ Sign-in card ============ */
.login-page .login-card {
  position: relative;
  flex: 1 1 380px;
  max-width: 440px;
  padding: 30px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #171c3a 0%, var(--surface) 62%);
  box-shadow: var(--card-shadow), 0 40px 80px -30px rgba(91, 63, 224, 0.45);
}

/* Two tilted layers peeking out from behind the card (the tour's 3D feel). */
.login-page .login-card::before,
.login-page .login-card::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 26px;
  pointer-events: none;
}
.login-page .login-card::before {
  inset: 10px -12px -14px 12px;
  background: linear-gradient(135deg, rgba(109, 79, 242, 0.34), rgba(109, 79, 242, 0.08));
  border: 1px solid rgba(139, 115, 255, 0.28);
  transform: rotate(2.6deg);
}
.login-page .login-card::after {
  inset: 18px 12px -24px -12px;
  background: linear-gradient(135deg, rgba(44, 199, 173, 0.22), rgba(44, 199, 173, 0.05));
  border: 1px solid rgba(44, 199, 173, 0.22);
  transform: rotate(-2.2deg);
}

.login-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.login-card-ico {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 22px;
  color: #fff;
  background: linear-gradient(180deg, #8467f7, var(--violet-face));
  box-shadow: 0 4px 0 var(--violet-edge), 0 12px 20px -8px rgba(91, 63, 224, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.login-page .login-card h2 {
  margin: 0;
  font: 800 24px/1.15 var(--font-head);
  letter-spacing: -0.02em;
}

/* Messages (text is set by auth.js; the icon is drawn by CSS). */
.login-page .form-error,
.login-page .form-notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 18px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid;
  font: 600 13.5px/1.4 var(--font-ui);
}
.login-page .form-error { background: var(--bad-tint); color: var(--bad-ink); border-color: rgba(255, 155, 155, 0.3); }
.login-page .form-notice { background: var(--good-tint); color: var(--good-ink); border-color: rgba(111, 224, 138, 0.3); }
.login-page .form-error::before,
.login-page .form-notice::before {
  content: "";
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  background: currentColor;
  -webkit-mask: var(--msg-ico) center / contain no-repeat;
  mask: var(--msg-ico) center / contain no-repeat;
}
.login-page .form-error {
  --msg-ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='12' x2='12' y1='8' y2='12'/%3E%3Cline x1='12' x2='12.01' y1='16' y2='16'/%3E%3C/svg%3E");
}
.login-page .form-notice {
  --msg-ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='m9 12 2 2 4-4'/%3E%3C/svg%3E");
}

/* Parent / Student switch */
.login-page .tabs {
  gap: 6px;
  margin-bottom: 22px;
  padding: 5px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--field);
}
.login-page .tab {
  padding: 10px 8px;
  border: 1.5px solid transparent;
  border-radius: 13px;
  font: 700 13.5px var(--font-head);
  color: var(--ink-2);
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.login-page .tab:hover:not(.active) { background: rgba(255, 255, 255, 0.05); color: var(--ink); }
.login-page .tab.active {
  background: var(--teal-tint);
  color: var(--ink);
  border-color: var(--teal);
  box-shadow: 0 3px 0 var(--teal-line);
}

.login-page .tab-panel { gap: 4px; }

.login-page .panel-hint {
  margin: 0 0 6px;
  font-size: 13.5px;
  color: var(--ink-2);
}

.login-page .tab-panel label {
  margin-top: 10px;
  font: 700 13px var(--font-head);
  color: var(--ink-2);
}

.login-page .tab-panel input:not([type="checkbox"]) {
  padding: 12px 14px;
  border: 1.5px solid var(--field-line);
  border-radius: 14px;
  background: var(--field);
  color: var(--ink);
  color-scheme: dark;
  font: 600 15px var(--font-ui);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-page .tab-panel input:not([type="checkbox"]):hover { border-color: #7b86b8; }
.login-page .tab-panel input:not([type="checkbox"]):focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(139, 115, 255, 0.28);
}
.login-page .tab-panel input:-webkit-autofill {
  -webkit-text-fill-color: var(--ink);
  caret-color: var(--ink);
  box-shadow: 0 0 0 100px var(--field) inset;
}

/* Terms & Conditions box */
.login-page .tab-panel .terms-check {
  gap: 10px;
  margin: 14px 0 2px;
  padding: 11px 13px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  font: 500 13px/1.5 var(--font-ui);
  color: var(--ink-2);
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.login-page .tab-panel .terms-check input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--teal-bright);
  color-scheme: dark;
}
.login-page .tab-panel .terms-check a {
  color: var(--violet-ink);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.login-page .tab-panel .terms-check.invalid {
  color: var(--bad-ink);
  border-color: rgba(255, 155, 155, 0.45);
  background: var(--bad-tint);
}
.login-page .tab-panel .terms-check.invalid a { color: var(--bad-ink); }
.login-page .tab-panel .terms-check.invalid input { outline: 2px solid var(--bad-ink); outline-offset: 1px; }

/* Google draws its own button in an iframe; it's left as Google styles it. */
.login-page .google-btn-wrap { margin-top: 12px; min-height: 44px; }
.login-page .google-btn-wrap.terms-pending #googleBtn { opacity: 0.5; }
.login-page .google-fallback {
  padding: 11px 14px;
  border: 1px dashed var(--axis);
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-2);
}
.login-page .google-fallback code {
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--teal-deep);
}

/* Buttons — the tour's chunky "3D" controls */
.login-page .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  padding: 14px 20px;
  border: 0;
  border-radius: 16px;
  font: 700 15px/1.1 var(--font-head);
  letter-spacing: 0.005em;
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.2s, background 0.2s;
}
.login-page .btn .ico { width: 18px; height: 18px; }

.login-page .btn-primary {
  color: #fff;
  background: linear-gradient(180deg, var(--violet-face) 0%, var(--violet-face-2) 100%);
  box-shadow: 0 5px 0 var(--violet-edge), 0 14px 24px -8px rgba(91, 63, 224, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.login-page .btn-primary:hover:not(:disabled) { background: linear-gradient(180deg, var(--violet-face) 0%, var(--violet-face-2) 100%); filter: brightness(1.06); transform: translateY(-1px); }
.login-page .btn-primary:active:not(:disabled) {
  transform: translateY(4px);
  box-shadow: 0 1px 0 var(--violet-edge), 0 4px 10px -6px rgba(91, 63, 224, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* "Sign in with Google" inside the mobile app's WebView */
.login-page .btn-secondary {
  color: var(--teal-deep);
  background: var(--surface);
  border: 1.5px solid var(--teal-bright);
  box-shadow: 0 3px 0 var(--teal-line);
}
.login-page .btn-secondary:hover:not(:disabled) { background: var(--teal-tint); }
.login-page .btn-secondary:active:not(:disabled) { transform: translateY(2px); box-shadow: 0 1px 0 var(--teal-line); }

.login-page .btn:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; transform: none; filter: none; }

/* ============ Footer ============ */
.login-page .footer { color: var(--ink-3); }

/* ============ Terms & Privacy popup ============ */
.login-page .plans-modal-overlay {
  background: rgba(2, 3, 8, 0.74);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.login-page .plans-modal {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 40px 90px -20px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
}
.login-page .plans-modal-header { padding: 14px 18px; border-bottom: 1px solid var(--line); }
.login-page .plans-modal-header h2 { font: 800 17px var(--font-head); letter-spacing: -0.01em; color: var(--ink); }
.login-page .plans-modal-close { color: var(--ink-2); }
.login-page .plans-modal-close:hover { background: var(--line-2); color: var(--ink); }
.login-page .legal-modal-newtab { font-family: var(--font-head); font-weight: 700; color: var(--violet-ink); }
/* The policy pages are authored light, so their frame stays on white. */
.login-page .legal-modal-loading { color: #5b6280; }

/* ============ Motion ============ */
@media (prefers-reduced-motion: no-preference) {
  @keyframes login-rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
  }
  .login-page .hero-copy > * { animation: login-rise 0.6s var(--ease-out) both; }
  .login-page .hero-copy > p { animation-delay: 0.06s; }
  .login-page .hero-points li { animation: login-rise 0.6s var(--ease-out) both; }
  .login-page .hero-points li:nth-child(1) { animation-delay: 0.12s; }
  .login-page .hero-points li:nth-child(2) { animation-delay: 0.18s; }
  .login-page .hero-points li:nth-child(3) { animation-delay: 0.24s; }
}

/* ============ Small screens ============ */
/* Stacked layout (the two columns no longer fit side by side): one shared
   width, so the copy and the card line up. */
@media (max-width: 900px) {
  .login-page .hero { gap: 44px; padding-top: 36px; }
  .login-page .hero-copy,
  .login-page .login-card { flex-basis: 100%; max-width: 480px; }
}

@media (max-width: 480px) {
  .login-page .topbar { padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
  .login-page .hero { gap: 40px; padding: 24px 16px 48px; }
  .login-page .hero-copy p { font-size: 15px; }
  .login-page .hero-points li { padding: 10px 12px; font-size: 14px; }
  .login-page .login-card { padding: 22px 20px; border-radius: 24px; }
  .login-page .login-card::before { inset: 10px -4px -12px 4px; transform: rotate(1.8deg); }
  .login-page .login-card::after { inset: 16px 4px -20px -4px; transform: rotate(-1.6deg); }
  .login-page .login-card h2 { font-size: 22px; }
}