/* ============================================================
   Auth pages (login, signup, admin-login) — vibrant & responsive
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --primary-color: var(--c-primary);
  --primary-hover: var(--c-primary-600);
  --text-main: var(--c-text);
  --text-muted: var(--c-muted);
  --border-color: var(--c-border);
  --error: var(--c-danger);
  --success: var(--c-success);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--c-text);
  background:
    radial-gradient(1200px 600px at 0% -10%, rgba(99,102,241,.20), transparent 60%),
    radial-gradient(900px 600px at 100% 110%, rgba(236,72,153,.18), transparent 60%),
    linear-gradient(135deg, #eef2ff 0%, #fdf2f8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.auth-card {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(18px);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  width: 100%;
  max-width: 460px;
  animation: fadeUp .55s cubic-bezier(.16,1,.3,1) both;
  position: relative;
  overflow: hidden;
}
.auth-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--g-hero);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.auth-header { text-align: center; margin-bottom: 1.75rem; }

.auth-logo {
  width: 68px; height: 68px;
  background: var(--g-primary);
  border-radius: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 28px; font-weight: 800;
  margin-bottom: 1.1rem;
  box-shadow: 0 10px 22px rgba(99,102,241,.35);
}

.auth-title {
  color: var(--c-text);
  font-size: clamp(1.35rem, 3.5vw, 1.6rem);
  font-weight: 800;
  margin: 0 0 .35rem;
  letter-spacing: -.02em;
}
.auth-subtitle { color: var(--c-muted); font-size: .95rem; margin: 0; }

.form-group { margin-bottom: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row .form-group { flex: 1; margin-bottom: 1.1rem; }

.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--c-text-2);
  margin-bottom: .4rem;
}

.form-control {
  width: 100%;
  padding: .85rem 1rem;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--c-text);
  background: #fff;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.form-control:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px rgba(99,102,241,.18);
}
.form-control::placeholder { color: var(--c-muted-2); }

.auth-btn {
  width: 100%;
  padding: .95rem 1rem;
  background: var(--g-primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform var(--t-base), box-shadow var(--t-base), filter var(--t-base);
  display: flex; justify-content: center; align-items: center; gap: .5rem;
  margin-top: 1.5rem;
  box-shadow: 0 8px 20px rgba(99,102,241,.30);
}
.auth-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(99,102,241,.40);
  filter: brightness(1.05);
}
.auth-btn:disabled { opacity: .7; cursor: not-allowed; transform: none; box-shadow: none; }

.auth-link {
  display: block;
  text-align: center;
  margin-top: 1.5rem;
  color: var(--c-primary);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 600;
  transition: color var(--t-base);
}
.auth-link:hover { color: var(--c-primary-700); text-decoration: underline; }

.error-msg {
  color: #b91c1c;
  font-size: .9rem;
  margin-bottom: 1.25rem;
  background: #fee2e2;
  border: 1px solid #fecaca;
  border-left: 4px solid var(--c-danger);
  padding: .85rem 1rem;
  border-radius: 10px;
  display: none;
  font-weight: 500;
}

/* Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 1000;
  padding: 1rem;
}
.modal-content {
  background: #fff;
  padding: clamp(1.5rem,5vw,2.5rem);
  border-radius: var(--r-xl);
  text-align: center;
  max-width: 440px; width: 100%;
  animation: scaleIn .3s cubic-bezier(.16,1,.3,1);
  box-shadow: var(--sh-lg);
}
@keyframes scaleIn {
  from { transform: scale(.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.modal-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg,#d1fae5,#a7f3d0);
  color: #047857;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 36px;
  margin: 0 auto 1.25rem;
  box-shadow: 0 8px 20px rgba(16,185,129,.25);
}

.loader {
  border: 3px solid rgba(255,255,255,.35);
  border-left-color: #fff;
  border-radius: 50%;
  width: 20px; height: 20px;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Password show/hide toggle */
.password-wrap { position: relative; }
.password-wrap .form-control { padding-right: 3rem; }
.password-toggle {
  position: absolute;
  top: 50%;
  right: .6rem;
  transform: translateY(-50%);
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: .35rem .5rem;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--text-muted, #64748b);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 38px;
  transition: background .15s ease, color .15s ease;
}
.password-toggle:hover { background: rgba(99,102,241,.10); color: #4338ca; }
.password-toggle:focus-visible { outline: 2px solid #6366f1; outline-offset: 2px; }

/* Mobile */
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  .auth-card { border-radius: var(--r-lg); }
}