/* ─── Sentry-style login page - self-contained ─────────────────────────────── */

:root {
  --srs-yellow:       #FFD700;
  --srs-yellow-dark:  #E6C200;
  --srs-bg:           #1A1A1A;
  --srs-bg-content:   #1E2329;
  --srs-border:       #404040;
  --srs-text:         #FFFFFF;
  --srs-text-sub:     #B0B0B0;
  --srs-text-muted:   #808080;
  --srs-radius-sm:    4px;
  --srs-radius-md:    8px;
  --srs-radius-lg:    12px;
  --srs-transition:   0.3s ease;
  --srs-transition-f: 0.15s ease;
}

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

html, body {
  height: 100%;
  font-family: 'Source Sans 3', system-ui, -apple-system, sans-serif;
  background: var(--srs-bg);
  color: var(--srs-text);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* ── Background grid + line texture ─────────────────────────────────────────── */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.02) 2px,
    rgba(255,255,255,0.02) 3px
  );
  pointer-events: none;
  z-index: 0;
}

/* ── Layout ──────────────────────────────────────────────────────────────────── */

.login-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

/* ── Card ────────────────────────────────────────────────────────────────────── */

.login-card {
  background: rgba(28, 28, 28, 0.35);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--srs-radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: loginFadeIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes loginFadeIn {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

@keyframes sk-login-out {
  to { opacity: 0; }
}

html.page-exit .login-page {
  animation: sk-login-out 0.08s ease forwards;
}

/* ── Card header ─────────────────────────────────────────────────────────────── */

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

.login-logo-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  display: block;
  margin: 0 auto 0.85rem;
  filter: brightness(0) invert(1);
}

.login-header h1 {
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--srs-text);
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.login-header p {
  color: var(--srs-text-sub);
  font-size: 0.88rem;
}

/* ── Alert ───────────────────────────────────────────────────────────────────── */

.login-alert {
  padding: 0.72rem 1rem;
  border-radius: var(--srs-radius-sm);
  margin-bottom: 1.1rem;
  font-size: 0.88rem;
  border: 1px solid transparent;
}

.login-alert-danger {
  background: linear-gradient(135deg, rgba(231,76,60,0.1), rgba(231,76,60,0.18));
  color: #ff6b6b;
  border-color: rgba(231,76,60,0.3);
}

.login-alert-info {
  background: linear-gradient(135deg, rgba(52,152,219,0.08), rgba(52,152,219,0.16));
  color: #5dade2;
  border-color: rgba(52,152,219,0.3);
}

/* ── Form ────────────────────────────────────────────────────────────────────── */

.login-form-group {
  margin-bottom: 1.15rem;
}

.login-form-label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--srs-text);
  font-weight: 500;
  font-size: 0.88rem;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.login-input {
  width: 100%;
  padding: 0.72rem 2.75rem 0.72rem 1rem;
  border: 2px solid var(--srs-border);
  border-radius: var(--srs-radius-md);
  background: var(--srs-bg-content);
  color: var(--srs-text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--srs-transition), box-shadow var(--srs-transition);
  outline: none;
}

.login-input:focus {
  border-color: var(--srs-yellow);
  box-shadow: 0 0 0 3px rgba(255,215,0,0.15);
}

.login-input::placeholder { color: var(--srs-text-muted); }

.input-icon {
  position: absolute;
  right: 12px;
  pointer-events: none;
  color: var(--srs-text-muted);
  font-size: 20px;
  line-height: 1;
  display: flex;
  align-items: center;
}

.password-toggle {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--srs-text-sub);
  border-radius: var(--srs-radius-sm);
  transition: color var(--srs-transition-f);
  display: flex;
  align-items: center;
  padding: 2px;
}

.password-toggle:hover { color: var(--srs-text); }

.password-toggle .material-icons { font-size: 20px; }

/* ── Remember me checkbox ────────────────────────────────────────────────────── */

.checkbox-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.custom-checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid var(--srs-border);
  border-radius: 4px;
  background: var(--srs-bg-content);
  position: relative;
  flex-shrink: 0;
  transition: all var(--srs-transition);
}

.checkbox-wrapper input[type="checkbox"]:checked + .custom-checkbox {
  background: var(--srs-yellow);
  border-color: var(--srs-yellow);
}

.checkbox-wrapper input[type="checkbox"]:checked + .custom-checkbox::after {
  content: '✓';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: #000;
  font-size: 11px;
  font-weight: 700;
}

.checkbox-wrapper:hover .custom-checkbox {
  border-color: var(--srs-yellow);
}

.checkbox-label {
  color: var(--srs-text-sub);
  font-size: 0.88rem;
}

/* ── Submit button ───────────────────────────────────────────────────────────── */

.login-btn {
  width: 100%;
  padding: 0.75rem 1.25rem;
  background: var(--srs-yellow);
  color: #000;
  border: none;
  border-radius: var(--srs-radius-md);
  font-size: 0.92rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background var(--srs-transition), transform var(--srs-transition), box-shadow var(--srs-transition);
}

.login-btn:hover {
  background: var(--srs-yellow-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255,215,0,0.28);
}

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

/* ── Footer ──────────────────────────────────────────────────────────────────── */

.login-footer {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 420px;
  padding: 0 0.25rem;
}

.login-footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.login-footer-logo {
  width: 22px;
  height: 22px;
  object-fit: contain;
  opacity: 0.55;
  filter: brightness(0) invert(1);
}

.login-footer-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--srs-text-muted);
  letter-spacing: 0.02em;
}

.login-footer-version {
  font-size: 0.75rem;
  color: var(--srs-text-muted);
  font-family: 'Cascadia Code', 'Fira Code', monospace;
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */

@media (min-width: 480px) {
  .login-card { padding: 2.5rem; }
  .login-header h1 { font-size: 2rem; }
}

@media (max-width: 360px) {
  .login-card { padding: 1.5rem; }
  .login-header h1 { font-size: 1.5rem; }
}