/* =============================================
   SIGN IN — signin.css
   Mobile-first, orthodox editorial aesthetic
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=Lora:ital,wght@0,400;0,500;1,400&family=Montserrat:wght@300;400;600&display=swap');

:root {
  --clr-bg:        #0f0e0b;
  --clr-surface:   #1a1814;
  --clr-surface2:  #231f1a;
  --clr-gold:      #c9a84c;
  --clr-gold-soft: #e8c97a;
  --clr-gold-dim:  rgba(201, 168, 76, 0.12);
  --clr-text:      #e8e0d0;
  --clr-muted:     #8c8275;
  --clr-border:    rgba(201, 168, 76, 0.22);
  --clr-error:     #c0503a;
  --clr-success:   #6a9e72;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Lora', Georgia, serif;
  --font-ui:      'Montserrat', sans-serif;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ── Full-height section ── */
.auth-section {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
  isolation: isolate;
}

/* Radial glow background */
.auth-background {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(201,168,76,0.07) 0%, transparent 70%),
    var(--clr-bg);
}

/* Grain overlay */
.auth-background::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 460px;
}

/* ── Card ── */
.auth-content {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
  animation: fadeUp 0.7s var(--ease-out) both;
}

@media (min-width: 480px) {
  .auth-content { padding: 3rem 2.5rem; }
}

/* Ornamental top rule inside card */
.auth-content::before {
  content: '✦';
  display: block;
  text-align: center;
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: var(--clr-gold);
  margin-bottom: 1.25rem;
}

/* ── Title ── */
.auth-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  font-weight: 900;
  color: var(--clr-text);
  text-align: center;
  margin-bottom: 2rem;
  line-height: 1.1;
}

/* ── Form layout ── */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.form-single-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* ── Labels ── */
.form-label {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-muted);
}

/* ── Inputs — Django renders these directly ── */
.auth-form input[type="text"],
.auth-form input[type="password"],
.auth-form input[type="email"] {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  outline: none;
  -webkit-appearance: none;
}

.auth-form input:focus {
  border-color: var(--clr-gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

.auth-form input::placeholder {
  color: var(--clr-muted);
  opacity: 0.6;
}

/* ── Errors ── */
.form-errors {
  background: rgba(192, 80, 58, 0.1);
  border: 1px solid rgba(192, 80, 58, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

.field-errors {
  margin-top: 0.25rem;
}

.error {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--clr-error);
  letter-spacing: 0.03em;
}

/* ── Submit button ── */
.form-actions {
  margin-bottom: 1.5rem;
}

.auth-btn {
  width: 100%;
  padding: 0.85rem 2rem;
  background: var(--clr-gold);
  color: var(--clr-bg);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease;
}

.auth-btn:hover {
  background: var(--clr-gold-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 168, 76, 0.25);
}

.auth-btn:active { transform: translateY(0); }

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

/* ── Social login section ── */
.social-login {
  margin-bottom: 1.5rem;
}

.social-login-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-muted);
  text-align: center;
  margin-bottom: 0.75rem;
}

.social-btn-row {
  display: flex;
  gap: 0.75rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex: 1;
  padding: 0.65rem 1rem;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.15s ease;
}

.social-btn:hover {
  background: var(--clr-surface);
  border-color: var(--clr-gold);
  transform: translateY(-2px);
}

.social-btn:active { transform: translateY(0); }

.social-btn svg,
.social-btn img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  object-fit: contain;
}

/* VK brand color on hover */
.social-btn.vk:hover {
  background: rgba(0, 119, 255, 0.15);
  border-color: #0077ff;
}

/* Yandex brand color on hover */
.social-btn.yandex:hover {
  background: rgba(255, 204, 0, 0.15);
  border-color: #ffcc00;
}

/* Divider with "или" */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.25rem 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--clr-border);
}

.auth-divider-text {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-muted);
}

/* ── Links below form ── */
.auth-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
  border-top: 1px solid var(--clr-border);
  padding-top: 1.25rem;
}

.auth-links p {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--clr-muted);
  letter-spacing: 0.04em;
}

.auth-link {
  color: var(--clr-gold);
  text-decoration: none;
  transition: color 0.2s ease;
}

.auth-link:hover { color: var(--clr-gold-soft); }

/* ── Consent section ── */
.auth-consent {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--clr-border);
}

.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--clr-muted);
  line-height: 1.5;
  cursor: pointer;
}

.consent-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin: 0;
  accent-color: var(--clr-gold);
  cursor: pointer;
  border-radius: 3px;
}

.consent-label a {
  color: var(--clr-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

.consent-label a:hover { color: var(--clr-gold-soft); }

/* ── Privacy policy modal ── */
.pp-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.pp-modal[style*="display: block"] {
  display: flex !important;
}

.pp-modal-content {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  max-width: 500px;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: fadeUp 0.35s var(--ease-out) both;
}

.pp-modal-content h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 1rem;
}

.pp-modal-content p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--clr-muted);
}

.pp-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 1.4rem;
  color: var(--clr-muted);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s ease;
  font-family: var(--font-ui);
}

.pp-close:hover { color: var(--clr-gold); }

/* ── Animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}