/* =========================================
   SIGN IN PAGE
   ========================================= */

.signin-body {
  background: var(--color-primary);
  overflow-y: auto;
}

.signin__form[hidden] {
  display: none;
}

.signin {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-xl);
  isolation: isolate;
}

/* ---- Background ---- */
.signin__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.18;
  z-index: -2;
}

.signin__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 50% 60% at 50% 50%,
    rgba(3, 255, 255, 0.04) 0%,
    transparent 65%
  );
  z-index: -1;
  pointer-events: none;
}

/* ---- Card ---- */
.signin__card {
  width: 100%;
  max-width: 420px;
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  animation: pageFadeIn 0.6s ease forwards;
}

/* ---- Card Header ---- */
.signin__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.signin__wordmark {
  font-size: 1rem;
  font-weight: 200;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text);
}

.signin__wordmark span {
  color: var(--color-tertiary);
}

.signin__divider {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-tertiary), transparent);
  opacity: 0.5;
  margin: var(--space-xs) 0;
}

.signin__heading {
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.signin__subtext {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.signin__password-hint {
  margin: 0.45rem 0 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--color-text-dim);
}

/* ---- Form ---- */
.signin__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}


/* ---- Messages ---- */
.signin__error,
.signin__success {
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-align: center;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
}

.signin__error {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.2);
}

.signin__success {
  color: var(--color-tertiary);
  background: rgba(3, 255, 255, 0.06);
  border: 1px solid rgba(3, 255, 255, 0.2);
}

/* ---- Form Footer ---- */
.signin__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.signin__submit-btn {
  width: 100%;
  padding: 13px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
}

.signin__bypass {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.signin__bypass a {
  color: var(--color-tertiary);
  opacity: 0.8;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.signin__bypass a:hover {
  opacity: 1;
}

.signin__terms {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--color-text-dim);
  cursor: pointer;
}

.signin__terms input {
  margin-top: 3px;
  flex-shrink: 0;
}

.signin__terms a {
  color: var(--color-tertiary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.signin__terms a:hover {
  opacity: 0.85;
}

/* ---- Back Link ---- */
.signin__back {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--transition-fast);
  border: none;
  background: none;
}

.signin__back:hover {
  color: var(--color-text-muted);
}

.signin__back-arrow {
  font-size: 1rem;
  line-height: 1;
  transition: transform var(--transition-fast);
}

.signin__back:hover .signin__back-arrow {
  transform: translateX(-3px);
}

.signin__verify-intro {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--color-text-dim);
  text-align: center;
}

.signin__verify-intro strong {
  color: var(--color-text);
  font-weight: 500;
}

.signin__verify-input {
  text-align: center;
  letter-spacing: 0.35em;
  font-size: 1.1rem;
  font-weight: 500;
}

.signin__verify-sep {
  margin: 0 0.35em;
  color: var(--color-text-dim);
}