/* ==========================================================================
   auth.css — shared styling for all authentication screens
   (username/password login + access-code login). Keeps every auth page on
   one synchronized, logo-driven design. Loaded after the core app CSS.
   ========================================================================== */

/* Hide the empty page-head on auth routes so the card stays centered. */
body.app-body .app-main > .page-head { display: none; }

/* Full-page brand gradient — covers the ENTIRE screen, topbar included. */
body.app-body {
  background:
    radial-gradient(1200px 860px at 3% -6%, color-mix(in srgb, var(--c-brand) 32%, transparent), transparent 58%),
    radial-gradient(1100px 800px at 106% 108%, color-mix(in srgb, var(--c-accent) 28%, transparent), transparent 58%),
    linear-gradient(135deg,
      color-mix(in srgb, var(--c-brand) 14%, var(--c-bg)) 0%,
      var(--c-bg) 38%,
      var(--c-bg) 62%,
      color-mix(in srgb, var(--c-accent) 14%, var(--c-bg)) 100%);
  background-attachment: fixed;
  background-repeat: no-repeat;
}

/* Frosted, transparent topbar so the gradient flows behind it. */
body.app-body .app-topbar {
  background: color-mix(in srgb, var(--c-surface) 36%, transparent);
  border-bottom-color: color-mix(in srgb, var(--c-border) 55%, transparent);
  box-shadow: none;
}

/* Shell + main stay transparent so the page-wide gradient shows through. */
body.app-body .app-shell { background: transparent; }
body.app-body .app-main {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) var(--sp-4);
  background: transparent;
}

/* ===== Stage + card ===== */
.login-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 412px;
  display: grid;
  gap: var(--sp-4);
}
.login-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  padding: var(--sp-8) var(--sp-6) var(--sp-6);
  display: grid;
  gap: var(--sp-5);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 12px 40px -12px rgba(15, 23, 42, 0.18);
}

/* ===== Brand header ===== */
.login-head { display: grid; justify-items: center; gap: var(--sp-3); text-align: center; }
.login-logo {
  width: 84px; height: 84px;
  display: grid; place-items: center;
  background: #ffffff;
  border: 1px solid var(--c-border);
  border-radius: 22px;
  box-shadow: 0 8px 24px -10px rgba(15, 23, 42, 0.30);
}
.login-logo img { width: 64px; height: 64px; object-fit: contain; display: block; }
.login-title {
  font-family: 'Sora','Manrope',sans-serif;
  font-size: 1.5rem; font-weight: 700; letter-spacing: -0.025em;
  margin: 0; color: var(--c-text);
}
.login-subtitle { margin: 0; font-size: 0.875rem; color: var(--c-text-muted); }

/* ===== Form ===== */
.login-form { display: grid; gap: var(--sp-4); }
.login-field { display: grid; gap: 6px; }
.login-field > label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--c-text-muted);
}
.login-input-wrap { position: relative; display: flex; align-items: center; }
.login-input-wrap > .bx-prefix {
  position: absolute; left: 13px;
  color: var(--c-text-subtle); font-size: 1.1rem; pointer-events: none;
}
.login-input-wrap > input {
  width: 100%;
  padding: 12px 14px 12px 40px;
  font-size: 0.95rem;
  color: var(--c-text);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.login-input-wrap > input::placeholder { color: var(--c-text-subtle); }
.login-input-wrap > input:focus {
  outline: none;
  background: var(--c-surface);
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px var(--c-brand-soft);
}
.login-input-wrap.has-toggle > input { padding-right: 42px; }
.login-pass-toggle {
  position: absolute; right: 6px;
  display: grid; place-items: center;
  width: 30px; height: 30px;
  border: 0; background: transparent; cursor: pointer;
  color: var(--c-text-subtle); font-size: 1.15rem; border-radius: var(--r-sm);
  transition: color 0.15s ease, background 0.15s ease;
}
.login-pass-toggle:hover { color: var(--c-text); background: var(--c-brand-soft); }
.login-field-error { color: var(--c-danger); font-size: 0.78rem; }

/* ===== Access-code input (centered, spaced) ===== */
.login-code-input {
  width: 100%;
  text-align: center;
  letter-spacing: 0.5em;
  font-family: 'Sora','Manrope',sans-serif;
  font-size: 1.7rem; font-weight: 700;
  color: var(--c-text);
  padding: 14px 12px 14px 18px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.login-code-input::placeholder { color: var(--c-text-subtle); font-weight: 600; }
.login-code-input:focus {
  outline: none; background: var(--c-surface);
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px var(--c-brand-soft);
}
.login-code-input::-webkit-outer-spin-button,
.login-code-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.login-code-input { -moz-appearance: textfield; }

.login-row-end { display: flex; justify-content: flex-end; margin-top: -4px; }
.login-link-muted {
  font-size: 0.8rem; color: var(--c-text-muted); text-decoration: none;
  transition: color 0.15s ease;
}
.login-link-muted:hover { color: var(--c-brand); }

/* ===== Primary action ===== */
.login-submit {
  width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 16px;
  font-family: inherit; font-size: 0.95rem; font-weight: 600;
  color: #fff; cursor: pointer;
  border: 0; border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--c-brand) 0%, var(--c-brand-strong) 100%);
  box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--c-brand) 55%, transparent);
  transition: transform 0.12s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.login-submit:hover { transform: translateY(-1px); box-shadow: 0 12px 26px -8px color-mix(in srgb, var(--c-brand) 60%, transparent); filter: brightness(1.03); }
.login-submit:active { transform: translateY(0); }
.login-submit[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; filter: none; }

/* ===== Divider ===== */
.login-divider {
  display: flex; align-items: center; gap: var(--sp-3);
  color: var(--c-text-subtle); font-size: 0.74rem;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.login-divider::before, .login-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--c-border);
}

/* ===== Secondary button ===== */
.login-secondary {
  width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 16px;
  font-size: 0.9rem; font-weight: 600;
  color: var(--c-text); text-decoration: none;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.login-secondary:hover { border-color: var(--c-brand); color: var(--c-brand); background: var(--c-brand-soft); }

/* ===== Footer ===== */
.login-foot { display: flex; justify-content: center; }
.login-foot a {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.84rem; color: var(--c-text-muted); text-decoration: none;
  transition: color 0.15s ease;
}
.login-foot a:hover { color: var(--c-brand); }

/* ===== Flash / error ===== */
.login-flash {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-radius: var(--r-sm);
  font-size: 0.85rem;
  color: var(--c-danger);
  background: var(--c-danger-soft);
  border: 1px solid color-mix(in srgb, var(--c-danger) 30%, transparent);
}

@media (max-width: 480px) {
  .login-card { padding: var(--sp-6) var(--sp-4) var(--sp-5); border-radius: 16px; }
}