/* SuLink portal — lined notebook / school utility */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Source+Sans+3:wght@400;600;700&display=swap');

html[data-theme="light"] {
  --sl-bg: #f0ebe1;
  --sl-bg-deep: #e4ddd0;
  --sl-ink: #1a2420;
  --sl-muted: #5a6b62;
  --sl-band: #2a5c4e;
  --sl-accent: #c45c26;
  --sl-card: #fffdf8;
  --sl-border: rgba(26, 36, 32, 0.12);
  --sl-nav: rgba(255, 253, 248, 0.92);
  --sl-shadow: 0 12px 40px rgba(26, 36, 32, 0.08);
  --sl-glow: rgba(42, 92, 78, 0.14);
  --sl-glow2: rgba(196, 92, 38, 0.10);
  --sl-danger: #b33a2b;
  --sl-ok: #2a5c4e;
  --sl-input: #fffdf8;
}

html[data-theme="dark"] {
  --sl-bg: #121a17;
  --sl-bg-deep: #0c1210;
  --sl-ink: #e8efe9;
  --sl-muted: #9aada3;
  --sl-band: #7eb8a4;
  --sl-accent: #e8955f;
  --sl-card: #1a2420;
  --sl-border: rgba(232, 239, 233, 0.12);
  --sl-nav: rgba(18, 26, 23, 0.94);
  --sl-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --sl-glow: rgba(126, 184, 164, 0.12);
  --sl-glow2: rgba(232, 149, 95, 0.08);
  --sl-danger: #f07167;
  --sl-ok: #7eb8a4;
  --sl-input: #151d1a;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  margin: 0;
  padding: 0;
  height: 100%;
  color-scheme: light dark;
}

body {
  margin: 0;
  min-height: 100%;
  padding: 0;
  padding-top: 64px;
  font-family: 'Source Sans 3', Georgia, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--sl-ink);
  background:
    radial-gradient(ellipse 90% 55% at 8% -10%, var(--sl-glow), transparent 55%),
    radial-gradient(ellipse 70% 45% at 95% 5%, var(--sl-glow2), transparent 50%),
    linear-gradient(180deg, var(--sl-bg-deep) 0%, var(--sl-bg) 40%, var(--sl-bg) 100%);
  background-attachment: fixed;
}

a { color: var(--sl-band); font-weight: 600; }
a:visited { color: var(--sl-band); }
a.nolink { text-decoration: none; color: var(--sl-ink); font-weight: 400; }

.nowrap { white-space: nowrap; }

/* --- Top nav --- */
.sl-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1rem;
  background: var(--sl-nav);
  border-bottom: 1px solid var(--sl-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sl-nav-brand {
  font-family: Fraunces, Georgia, serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--sl-band);
  text-decoration: none;
  margin-right: 0.5rem;
}

.sl-nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex: 1;
  min-width: 0;
}

.sl-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}

.sl-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--sl-ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.sl-nav-btn:hover {
  background: rgba(42, 92, 78, 0.08);
}

html[data-theme="dark"] .sl-nav-btn:hover {
  background: rgba(126, 184, 164, 0.12);
}

.sl-nav-btn-primary {
  background: var(--sl-band);
  color: #fffdf8 !important;
  border-color: var(--sl-band);
}

html[data-theme="dark"] .sl-nav-btn-primary {
  color: #121a17 !important;
}

.sl-nav-btn-primary:hover {
  filter: brightness(1.06);
  background: var(--sl-band);
}

.sl-theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--sl-border);
  background: var(--sl-card);
  color: var(--sl-ink);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sl-theme-toggle:hover {
  border-color: var(--sl-band);
}

.sl-nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--sl-border);
  border-radius: 8px;
  background: var(--sl-card);
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.sl-nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--sl-ink);
  border-radius: 1px;
}

.sl-drawer {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  bottom: 0;
  width: min(280px, 86vw);
  z-index: 999;
  background: var(--sl-card);
  border-right: 1px solid var(--sl-border);
  padding: 1rem;
  box-shadow: var(--sl-shadow);
  transform: translateX(-105%);
  transition: transform 0.25s ease;
}

.sl-drawer.is-open {
  transform: translateX(0);
}

.sl-drawer a {
  display: block;
  padding: 0.75rem 0.5rem;
  text-decoration: none;
  color: var(--sl-ink);
  border-bottom: 1px solid var(--sl-border);
  font-weight: 600;
}

.sl-drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  top: 56px;
  z-index: 998;
  background: rgba(0, 0, 0, 0.35);
}

.sl-drawer-backdrop.is-open { display: block; }

@media (max-width: 720px) {
  .sl-nav-links { display: none; }
  .sl-nav-hide-sm { display: none !important; }
  .sl-nav-burger { display: inline-flex; }
  .sl-drawer { display: block; }
}

@media (min-width: 721px) {
  .sl-only-sm { display: none !important; }
}

/* --- Page shell --- */
.sl-page {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  min-height: calc(100vh - 64px - 120px);
}

.sl-page-narrow {
  max-width: 420px;
}

@keyframes sl-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.sl-anim {
  animation: sl-rise 0.55s ease both;
}

.sl-anim-d1 { animation-delay: 0.08s; }
.sl-anim-d2 { animation-delay: 0.16s; }
.sl-anim-d3 { animation-delay: 0.24s; }

/* --- Home --- */
.sl-hero {
  padding: 2.25rem 0 1.5rem;
}

.sl-brand {
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(2.5rem, 7vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 0.4em;
  color: var(--sl-band);
  line-height: 1.05;
}

.sl-lead {
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
  max-width: 34em;
}

.sl-sub {
  margin: 0;
  color: var(--sl-muted);
  max-width: 36em;
}

.sl-section-title {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.35rem;
  font-weight: 600;
  margin: 2rem 0 0.85rem;
  color: var(--sl-band);
}

.sl-tool {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--sl-card);
  border: 1px solid var(--sl-border);
  border-left: 4px solid var(--sl-accent);
  padding: 1.15rem 1.3rem;
  border-radius: 0 12px 12px 0;
  box-shadow: var(--sl-shadow);
  transition: transform 0.2s ease, border-color 0.2s, box-shadow 0.2s;
}

.sl-tool:hover {
  transform: translateY(-2px);
  border-color: var(--sl-band);
}

.sl-tool-name {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--sl-ink);
}

.sl-tool-desc {
  margin: 0;
  color: var(--sl-muted);
  font-size: 0.98rem;
  font-weight: 400;
}

.sl-disclaimer {
  margin-top: 2.5rem;
  padding: 1rem 1.15rem;
  background: rgba(42, 92, 78, 0.08);
  border: 1px solid var(--sl-border);
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--sl-muted);
}

html[data-theme="dark"] .sl-disclaimer {
  background: rgba(126, 184, 164, 0.08);
}

.sl-disclaimer strong {
  display: block;
  color: var(--sl-ink);
  margin-bottom: 0.35rem;
}

.sl-auth-line {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--sl-muted);
}

/* --- Forms --- */
.sl-card {
  background: var(--sl-card);
  border: 1px solid var(--sl-border);
  border-radius: 14px;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--sl-shadow);
}

.sl-card h1 {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--sl-band);
  text-align: center;
}

.sl-field {
  margin-bottom: 1rem;
}

.sl-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--sl-muted);
}

.sl-field input[type="text"],
.sl-field input[type="email"],
.sl-field input[type="password"],
.sl-field input[type="number"],
.sl-field textarea,
.sl-field select {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--sl-border);
  border-radius: 8px;
  background: var(--sl-input);
  color: var(--sl-ink);
  font: inherit;
  font-size: 1rem;
}

.sl-field input:focus,
.sl-field textarea:focus {
  outline: 2px solid var(--sl-band);
  outline-offset: 1px;
}

.sl-field-row {
  display: flex;
  gap: 0.5rem;
}

.sl-field-row input { flex: 1; }

.sl-check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--sl-muted);
  margin: 1rem 0;
}

.sl-check input {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.sl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 10px;
  background: var(--sl-band);
  color: #fffdf8;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: filter 0.15s;
}

html[data-theme="dark"] .sl-btn {
  color: #121a17;
}

.sl-btn:hover { filter: brightness(1.06); }

.sl-btn-ghost {
  background: transparent;
  border: 1px solid var(--sl-border);
  color: var(--sl-ink);
}

.sl-form-links {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--sl-muted);
}

.sl-form-links a { margin: 0 0.25rem; }

.sl-alert {
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}

.sl-alert-error {
  background: rgba(179, 58, 43, 0.12);
  border: 1px solid rgba(179, 58, 43, 0.35);
  color: var(--sl-danger);
}

.sl-alert-ok {
  background: rgba(42, 92, 78, 0.12);
  border: 1px solid rgba(42, 92, 78, 0.3);
  color: var(--sl-ok);
}

.sl-alert-info {
  background: rgba(42, 92, 78, 0.08);
  border: 1px solid var(--sl-border);
  color: var(--sl-muted);
}

.sl-hint {
  font-size: 0.8rem;
  color: var(--sl-muted);
  margin-top: 0.25rem;
}

/* Account table-ish form */
.sl-form-stack .sl-field { margin-bottom: 1.1rem; }

/* Legal */
.sl-legal h1 {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.85rem;
  color: var(--sl-band);
  margin: 0 0 1rem;
}

.sl-legal h2 {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.2rem;
  margin: 1.75rem 0 0.5rem;
  color: var(--sl-ink);
}

.sl-legal p, .sl-legal li {
  color: var(--sl-muted);
  max-width: 42em;
}

.sl-legal ul { padding-left: 1.25rem; }

/* Footer */
.sl-footer {
  border-top: 1px solid var(--sl-border);
  padding: 1.5rem 1.25rem 2rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--sl-muted);
  background: transparent;
}

.sl-footer a {
  color: var(--sl-band);
  text-decoration: none;
  margin: 0 0.45rem;
  font-weight: 600;
}

.sl-footer-meta {
  margin-top: 0.5rem;
  opacity: 0.85;
}

/* Legacy helpers still referenced */
.onlymobil { }
@media (min-width: 721px) {
  .onlymobil { display: none !important; }
}
@media (max-width: 720px) {
  .onmobilhide { display: none !important; }
}

#modaloverlay {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0; left: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 5010;
  display: none;
}