/* ============================================================
   TRELONIX – login.css
   Styles specific to login.html
   ============================================================ */

/* ── Page Layout ──────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  /* Subtle radial glow behind the card */
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37, 99, 235, 0.07) 0%, transparent 60%),
    var(--tx-bg);
}

/* ── Login Card ───────────────────────────────────────────── */
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--tx-bg-card);
  border: 1px solid var(--tx-border-light);
  border-radius: var(--r-2xl);
  padding: 40px 36px;
  box-shadow:
    0 0 0 1px rgba(37, 99, 235, 0.05),
    0 24px 60px rgba(0, 0, 0, 0.6);
}

/* ── Card Header ──────────────────────────────────────────── */
.login-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  text-align: center;
}

.login-logo {
  height: 44px;
  width: auto;
  display: block;
}

.login-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--tx-text);
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 0.8rem;
  color: var(--tx-text-muted);
  margin-top: -4px;
}

/* ── Form ─────────────────────────────────────────────────── */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tx-text-muted);
}

.form-input {
  width: 100%;
  background: var(--tx-bg-input);
  border: 1px solid var(--tx-border-light);
  border-radius: var(--r-lg);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--tx-text);
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.form-input::placeholder { color: var(--tx-text-muted); opacity: 0.5; }
.form-input:focus {
  border-color: var(--tx-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* ── Submit Button ────────────────────────────────────────── */
.btn-login {
  width: 100%;
  background: linear-gradient(135deg, var(--tx-accent) 0%, #1d4ed8 100%);
  color: #ffffff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 13px 20px;
  border-radius: var(--r-lg);
  border: none;
  cursor: pointer;
  transition: all var(--ease);
  letter-spacing: 0.01em;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}
.btn-login:hover {
  background: linear-gradient(135deg, var(--tx-accent-light) 0%, var(--tx-accent) 100%);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}
.btn-login:active  { transform: translateY(0); }
.btn-login:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── Error Message ────────────────────────────────────────── */
.login-error {
  margin-top: 12px;
  padding: 12px 16px;
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.25);
  border-radius: var(--r-lg);
  font-size: 0.82rem;
  color: #fca5a5;
  text-align: center;
  display: none;
}
.login-error.visible { display: block; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 480px) {
  .login-card {
    padding: 32px 24px;
  }
}

/* ── iOS-Auto-Zoom verhindern ──────────────────────────────
   Safari auf dem iPhone zoomt automatisch in ein Eingabefeld,
   sobald dessen Schriftgröße unter 16px liegt. Daher hier auf
   mobilen Geräten mindestens 16px erzwingen – das Zoomen per
   Hand (Pinch-to-Zoom) bleibt davon unberührt. */
@media (max-width: 768px) {
  .form-input {
    font-size: 16px;
  }
}

/* ── Zurück zur Website Button ───────────────────────────── */
.back-to-site-btn {
  position: fixed;
  bottom: 28px;
  left: 28px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  background: transparent;
  border: 1.5px solid rgba(37, 99, 235, 0.35);
  border-radius: 100px;
  color: var(--tx-accent-light);
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  letter-spacing: 0.01em;
}
.back-to-site-btn:hover {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--tx-accent);
  color: #fff;
  transform: translateX(-2px);
}

@media (max-width: 480px) {
  .back-to-site-btn {
    bottom: 16px;
    left: 16px;
    font-size: 0.78rem;
    padding: 9px 16px;
  }
}