/* ============================================================
   SBL — Solutions Based Learning
   Auth surfaces: login, register, forgot/reset password, admin.
   Built on top of the shared design system in sbl-theme.css
   (loaded first on every page that uses this file) — reuses its
   --navy / --teal / --font-* variables so these pages read as
   the same product as the lesson hub, not a bolted-on add-on.
   ============================================================ */

.sbl-auth-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1.25rem 4rem;
}

.sbl-auth-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 2.25rem;
  text-decoration: none;
}
.sbl-auth-brand__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.03em;
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--teal-bright));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sbl-auth-brand__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--white);
  letter-spacing: 0.01em;
}
.sbl-auth-brand__name strong { color: var(--teal-bright); font-weight: 600; }

.sbl-auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--navy-raised);
  border: 1px solid var(--navy-line);
  border-radius: 20px;
  padding: 2.25rem 2rem;
  box-shadow: 0 24px 60px rgba(3, 10, 20, 0.45);
}
.sbl-auth-card--wide { max-width: 760px; }

.sbl-auth-card h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.5rem;
  color: var(--white);
}
.sbl-auth-card__lead {
  color: var(--slate);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 0 1.75rem;
}

.sbl-auth-notice {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  background: rgba(23, 184, 166, 0.09);
  border: 1px solid rgba(23, 184, 166, 0.3);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin: 0 0 1.75rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--white);
}
.sbl-auth-notice svg { flex: none; width: 18px; height: 18px; margin-top: 0.1rem; color: var(--teal-bright); }
.sbl-auth-notice a { color: var(--teal-bright); font-weight: 600; }
.sbl-auth-notice a:hover { text-decoration: underline; }

.sbl-field { margin-bottom: 1.25rem; }
.sbl-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.45rem;
}
.sbl-field input[type="text"],
.sbl-field input[type="email"],
.sbl-field input[type="password"],
.sbl-field select,
.sbl-field textarea {
  width: 100%;
  background: var(--navy);
  border: 1px solid var(--navy-line);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--white);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.sbl-field textarea { min-height: 120px; resize: vertical; }
.sbl-field input:focus,
.sbl-field select:focus,
.sbl-field textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(23, 184, 166, 0.18);
}
.sbl-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%237C93A3'%3E%3Cpath d='M5.5 7.5l4.5 4.5 4.5-4.5' stroke='%237C93A3' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.25rem;
}
.sbl-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .sbl-field-row { grid-template-columns: 1fr; } }
.sbl-field-hint { font-size: 0.78rem; color: var(--slate); margin-top: 0.4rem; line-height: 1.45; }

.sbl-checkbox-group { display: flex; flex-direction: column; gap: 0.65rem; }
.sbl-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--white);
  cursor: pointer;
}
.sbl-checkbox input[type="checkbox"] {
  margin-top: 0.2rem;
  width: 16px;
  height: 16px;
  accent-color: var(--teal);
  flex: none;
}

.sbl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  border: none;
  border-radius: 10px;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease), opacity 0.15s var(--ease);
}
.sbl-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.sbl-btn--primary { background: linear-gradient(135deg, var(--teal), var(--teal-bright)); color: var(--ink); }
.sbl-btn--primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(23, 184, 166, 0.3); }
.sbl-btn--secondary { background: transparent; color: var(--white); border: 1px solid var(--navy-line); }
.sbl-btn--secondary:hover:not(:disabled) { border-color: var(--teal); color: var(--teal-bright); }
.sbl-btn--danger { background: transparent; color: #ff8b8b; border: 1px solid rgba(255, 139, 139, 0.4); }
.sbl-btn--danger:hover:not(:disabled) { background: rgba(255, 139, 139, 0.1); }
.sbl-btn--small { padding: 0.45rem 0.85rem; font-size: 0.78rem; width: auto; }

.sbl-auth-actions { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }
.sbl-auth-links { display: flex; justify-content: space-between; margin-top: 1.25rem; font-size: 0.85rem; }
.sbl-auth-links a { color: var(--teal-bright); }
.sbl-auth-links a:hover { text-decoration: underline; }

.sbl-alert {
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  display: none;
}
.sbl-alert--error { background: rgba(255, 107, 107, 0.1); border: 1px solid rgba(255, 107, 107, 0.35); color: #ffb3b3; }
.sbl-alert--success { background: rgba(23, 184, 166, 0.1); border: 1px solid rgba(23, 184, 166, 0.35); color: var(--teal-bright); }
.sbl-alert.is-visible { display: block; }

.sbl-fieldset { border: none; padding: 0; margin: 0 0 1.75rem; }
.sbl-fieldset legend {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--white);
  padding: 0 0 0.9rem;
  border-bottom: 1px solid var(--navy-line);
  width: 100%;
  margin-bottom: 1.25rem;
}

/* ---- Admin dashboard ---- */
.sbl-admin-shell {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}
.sbl-admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}
.sbl-admin-header h1 { font-family: var(--font-display); font-size: 1.6rem; margin: 0; color: var(--white); }
.sbl-admin-header p { color: var(--slate); margin: 0.3rem 0 0; font-size: 0.9rem; }

.sbl-tabs { display: flex; gap: 0.5rem; border-bottom: 1px solid var(--navy-line); margin-bottom: 1.5rem; }
.sbl-tab {
  background: none;
  border: none;
  color: var(--slate);
  font-family: var(--font-display);
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sbl-tab.is-active { color: var(--white); border-bottom-color: var(--teal); }
.sbl-tab__count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--navy-line);
  color: var(--slate);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
}
.sbl-tab.is-active .sbl-tab__count { background: rgba(23, 184, 166, 0.2); color: var(--teal-bright); }

.sbl-panel { background: var(--navy-raised); border: 1px solid var(--navy-line); border-radius: 16px; overflow: hidden; }
.sbl-table { width: 100%; border-collapse: collapse; }
.sbl-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--navy-line);
}
.sbl-table td { padding: 0.9rem 1.1rem; border-bottom: 1px solid var(--navy-line); font-size: 0.88rem; color: var(--white); vertical-align: top; }
.sbl-table tr:last-child td { border-bottom: none; }
.sbl-table .sbl-muted { color: var(--slate); font-size: 0.8rem; }
.sbl-table-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.sbl-empty-state { padding: 3rem 1.5rem; text-align: center; color: var(--slate); font-size: 0.9rem; }

.sbl-badge { display: inline-flex; align-items: center; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.2rem 0.55rem; border-radius: 999px; }
.sbl-badge--pending { background: rgba(255, 191, 105, 0.15); color: #ffbf69; }
.sbl-badge--approved { background: rgba(23, 184, 166, 0.15); color: var(--teal-bright); }
.sbl-badge--rejected { background: rgba(255, 107, 107, 0.15); color: #ff8b8b; }
.sbl-badge--suspended { background: rgba(124, 147, 163, 0.2); color: var(--slate); }

/* ---- Modal (view application) ---- */
.sbl-modal-backdrop {
  position: fixed; inset: 0; background: rgba(3, 10, 20, 0.7);
  display: none; align-items: center; justify-content: center;
  padding: 1.5rem; z-index: 50;
}
.sbl-modal-backdrop.is-open { display: flex; }
.sbl-modal {
  background: var(--navy-raised); border: 1px solid var(--navy-line);
  border-radius: 18px; max-width: 560px; width: 100%;
  max-height: 85vh; overflow-y: auto; padding: 2rem;
}
.sbl-modal h2 { font-family: var(--font-display); color: var(--white); margin: 0 0 1.25rem; font-size: 1.25rem; }
.sbl-modal dl { margin: 0; }
.sbl-modal dt { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); margin-top: 1rem; }
.sbl-modal dd { margin: 0.3rem 0 0; color: var(--white); font-size: 0.9rem; line-height: 1.5; }
.sbl-modal__close { position: absolute; top: 1.5rem; right: 1.5rem; }

@media (max-width: 640px) {
  .sbl-auth-card { padding: 1.75rem 1.25rem; }
  .sbl-table { display: block; overflow-x: auto; white-space: nowrap; }
}