/* Premium Authentication/Login Stylesheet */

.auth-shell {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 120px 24px 80px;
  background: linear-gradient(180deg, var(--page-bg-2) 0%, var(--page-bg) 100%);
  position: relative;
  overflow: hidden;
}

/* Background soft decorative blur orbs */
.auth-shell::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(204, 34, 61, 0.05);
  filter: blur(80px);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.auth-shell::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(31, 63, 124, 0.05);
  filter: blur(80px);
  bottom: -100px;
  left: -100px;
  pointer-events: none;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-card:hover {
  box-shadow: 0 30px 70px rgba(15, 15, 18, 0.15);
}

.auth-card .eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.auth-card h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.8rem;
}

.auth-card h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.auth-sub {
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* Social authentication */
.auth-social {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}

.auth-social-button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 5px 14px rgba(15, 15, 18, 0.05);
  font-size: 0.84rem;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.auth-social-button:hover,
.auth-social-button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(31, 63, 124, 0.32);
  box-shadow: 0 9px 20px rgba(31, 63, 124, 0.1);
}

.auth-social-button:focus-visible {
  outline: 3px solid rgba(31, 63, 124, 0.16);
  outline-offset: 2px;
}

.auth-social-button i {
  font-size: 1.15rem;
}

.auth-social-google i {
  color: #4285f4;
}

.auth-social-facebook {
  border-color: rgba(24, 119, 242, 0.2);
}

.auth-social-facebook i {
  color: #1877f2;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1.35rem;
  color: var(--ink-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
}

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

/* Fields & Forms */
.auth-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 1.4rem;
  text-align: left;
}

.auth-field label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-2);
}

.auth-field input {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  background: var(--page-bg-2);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

.auth-field input:focus {
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(204, 34, 61, 0.12);
}

.auth-field input.is-invalid {
  border-color: var(--accent);
  background: rgba(204, 34, 61, 0.02);
}

.auth-field input.is-invalid:focus {
  box-shadow: 0 0 0 4px rgba(204, 34, 61, 0.18);
}

.error-message {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  min-height: 18px;
  animation: fadeIn 0.2s ease forwards;
}

/* Rows & Remember check */
.auth-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.8rem;
  font-size: 0.86rem;
}

.auth-row label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-2);
  cursor: pointer;
  user-select: none;
}

.auth-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.auth-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}

.auth-link:hover {
  border-color: var(--accent);
}

/* Submit CTA */
.auth-submit {
  width: 100%;
  min-height: 52px;
  border-radius: 100px;
  background: var(--ink);
  color: #fff;
  border: none;
  font-family: inherit;
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.auth-submit:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(204, 34, 61, 0.15);
}

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

.auth-foot {
  margin-top: 1.6rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.auth-note {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--ink-muted);
  text-align: center;
}

/* Keyframes */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* RTL (Right to Left) Styling Support */
html[dir="rtl"] .auth-card {
  text-align: right;
}

html[dir="rtl"] .auth-field {
  text-align: right;
}

html[dir="rtl"] .auth-row {
  flex-direction: row-reverse;
}

html[dir="rtl"] .auth-row label {
  flex-direction: row;
}

html[dir="rtl"] .auth-foot {
  text-align: center;
}

html[dir="rtl"] .auth-note {
  text-align: justify;
  text-align-last: center;
}

@media (max-width: 640px) {
  .auth-social {
    grid-template-columns: 1fr;
  }

  .auth-fields-row {
    grid-template-columns: minmax(0, 1fr);
  }
}