/* ══════════════════════════════════════════════════════════════════════════
   SCHULCHAT RLP – PORTAL STYLESHEET
   Modern, accessible messaging interface & SSO entry point
   ══════════════════════════════════════════════════════════════════════════ */

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--body-bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.schulchat-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ── */
.schulchat-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 1rem 2.5rem;
  box-shadow: var(--shadow-xs);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.schulchat-header .logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text);
}

.schulchat-header .logo .schulchat-logo-svg {
  width: 38px;
  height: 38px;
}

.schulchat-header .brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--primary-dark);
}

.schulchat-header .brand-title span {
  color: var(--primary);
}

.header-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-success-text);
}

.status-dot-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--color-success-icon);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* ── Main Content Area ── */
.schulchat-main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: clamp(2rem, 5vw, 4.5rem) 1.5rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(2, 132, 199, 0.08) 0%, transparent 70%),
    radial-gradient(circle 400px at 90% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 60%);
}

.login-container {
  width: 100%;
  max-width: 580px;
}

.schulchat-card {
  background: var(--surface-card);
  padding: clamp(2.25rem, 5vw, 3.5rem);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: cardPop 0.4s var(--ease-spring);
}

@keyframes cardPop {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  background: var(--primary-light);
  border: 1px solid var(--primary-subtle);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.card-logo-large {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
}

.schulchat-card h1 {
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.schulchat-card .subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
  text-align: left;
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  background: var(--surface-subtle);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  border: 1px solid transparent;
  transition: border-color var(--trans-fast), background-color var(--trans-fast);
}

.feature-pill:hover {
  background: #ffffff;
  border-color: var(--border);
  box-shadow: var(--shadow-xs);
}

.feature-pill svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* SSO Action Button */
.action-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.btn-sso {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  width: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, #0369a1 100%);
  color: #ffffff;
  padding: 1.05rem 2rem;
  font-size: 1.08rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.35);
  transition: all var(--trans-base);
  border: none;
  cursor: pointer;
}

.btn-sso:hover {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.45);
}

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

.btn-sso svg {
  transition: transform var(--trans-fast);
}

.btn-sso:hover svg {
  transform: translateX(3px);
}

.sso-notice {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── Footer ── */
.schulchat-footer {
  background-color: #ffffff;
  padding: 1.5rem 2.5rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-content nav {
  display: flex;
  gap: 1.75rem;
}

.footer-content nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--trans-fast);
}

.footer-content nav a:hover {
  color: var(--primary);
}

@media (max-width: 640px) {
  .schulchat-header {
    padding: 1rem 1.25rem;
  }
  .header-status-pill {
    display: none;
  }
  .schulchat-card {
    padding: 2rem 1.25rem;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .schulchat-footer {
    padding: 1.5rem 1.25rem;
  }
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}