/* CTF WiFi Enrollment Portal — Brand Styles
   Based on Catch The Fire Brand Guide
   Primary: White (#FFF), Indigo (#1A2144), Red (#F7124A)
   Ratio: 60% White, 25% Indigo, 15% Red
   Font: System stack (no external loads — portal must work pre-auth) */

:root {
  --ctf-white: #FFFFFF;
  --ctf-indigo: #1A2144;
  --ctf-red: #F7124A;
  --ctf-indigo-80: #36425E;
  --ctf-indigo-60: #828FA6;
  --ctf-indigo-40: #CFD4E0;
  --ctf-indigo-20: #E3E8F0;
  --ctf-red-80: #FF575E;
  --ctf-red-60: #FF9191;
  --ctf-red-40: #FFBFBF;
  --ctf-red-20: #FBE6E6;
  --ctf-blue: #1794BF;
  --ctf-purple: #3A3D93;
  --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-primary);
  background: var(--ctf-white);
  color: var(--ctf-indigo);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Centered card layout */
.portal-container {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

/* Logo */
.logo {
  margin-bottom: 32px;
}

.logo svg {
  width: 180px;
  height: auto;
}

/* Headings */
h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--ctf-indigo);
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

h2 {
  font-size: 22px;
  font-weight: 400;
  color: var(--ctf-indigo);
  text-align: center;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 18px;
  font-weight: 400;
  color: var(--ctf-indigo-60);
  text-align: center;
  margin-bottom: 32px;
}

p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ctf-indigo-80);
  text-align: center;
}

/* Primary button — Red accent */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 320px;
  padding: 14px 28px;
  background: var(--ctf-red);
  color: var(--ctf-white);
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  margin-top: 24px;
}

.btn-primary:hover {
  background: #d90f40;
}

.btn-primary:active {
  transform: scale(0.98);
}

/* Secondary button — Indigo outline */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 320px;
  padding: 14px 28px;
  background: transparent;
  color: var(--ctf-indigo);
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 500;
  border: 2px solid var(--ctf-indigo-40);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  margin-top: 12px;
}

.btn-secondary:hover {
  border-color: var(--ctf-indigo);
  background: var(--ctf-indigo-20);
}

/* Form inputs */
.form-group {
  width: 100%;
  max-width: 320px;
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ctf-indigo);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: 16px;
  color: var(--ctf-indigo);
  background: var(--ctf-white);
  border: 2px solid var(--ctf-indigo-40);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--ctf-indigo);
}

/* Cards */
.card {
  width: 100%;
  background: var(--ctf-white);
  border: 1px solid var(--ctf-indigo-20);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}

/* Status badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-active {
  background: #e6f9ee;
  color: #0d7a3e;
}

.badge-revoked {
  background: var(--ctf-red-20);
  color: var(--ctf-red);
}

.badge-expired {
  background: var(--ctf-indigo-20);
  color: var(--ctf-indigo-60);
}

/* Info box */
.info-box {
  width: 100%;
  max-width: 320px;
  background: var(--ctf-indigo-20);
  border-radius: 8px;
  padding: 16px;
  margin-top: 24px;
}

.info-box p {
  font-size: 14px;
  color: var(--ctf-indigo-80);
  text-align: left;
}

/* Footer */
.footer {
  margin-top: auto;
  padding: 24px 0;
  text-align: center;
}

.footer p {
  font-size: 13px;
  color: var(--ctf-indigo-60);
  font-style: italic;
}

/* Alert/error messages */
.alert {
  width: 100%;
  max-width: 320px;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-error {
  background: var(--ctf-red-20);
  color: var(--ctf-red);
  border: 1px solid var(--ctf-red-40);
}

.alert-success {
  background: #e6f9ee;
  color: #0d7a3e;
  border: 1px solid #b3e8c8;
}

/* Google sign-in icon */
.google-icon {
  width: 20px;
  height: 20px;
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid var(--ctf-indigo-40);
  border-top: 3px solid var(--ctf-red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 480px) {
  .portal-container {
    padding: 24px 16px;
  }
  h1 { font-size: 24px; }
  .subtitle { font-size: 16px; }
}

/* ========== Admin Panel Styles ========== */
.admin-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ctf-indigo-20);
}

.admin-header h1 {
  text-align: left;
  font-size: 24px;
}

.admin-nav {
  display: flex;
  gap: 8px;
}

.admin-nav a {
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  color: var(--ctf-indigo);
  background: var(--ctf-indigo-20);
  transition: background 0.2s;
}

.admin-nav a:hover,
.admin-nav a.active {
  background: var(--ctf-indigo);
  color: var(--ctf-white);
}

.admin-section {
  margin-bottom: 32px;
}

.admin-section h2 {
  text-align: left;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

/* Admin table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  text-align: left;
  padding: 10px 12px;
  background: var(--ctf-indigo-20);
  color: var(--ctf-indigo);
  font-weight: 500;
  border-bottom: 2px solid var(--ctf-indigo-40);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--ctf-indigo-20);
  color: var(--ctf-indigo-80);
}

tr:hover td {
  background: var(--ctf-indigo-20);
}

/* Enroll form inline */
.enroll-form {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  margin-bottom: 24px;
}

.enroll-form input {
  flex: 1;
  padding: 10px 14px;
  font-family: var(--font-primary);
  font-size: 14px;
  border: 2px solid var(--ctf-indigo-40);
  border-radius: 6px;
  outline: none;
}

.enroll-form input:focus {
  border-color: var(--ctf-indigo);
}

.enroll-form button {
  padding: 10px 20px;
  background: var(--ctf-red);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

.enroll-form button:hover {
  background: #d90f40;
}

/* Link copy box */
.link-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--ctf-indigo-20);
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  word-break: break-all;
}

.link-box code {
  flex: 1;
  font-size: 13px;
  color: var(--ctf-indigo);
}

.link-box button {
  padding: 6px 12px;
  background: var(--ctf-indigo);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-revoke {
  padding: 4px 10px;
  background: transparent;
  color: var(--ctf-red);
  border: 1px solid var(--ctf-red);
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
}

.btn-revoke:hover {
  background: var(--ctf-red);
  color: white;
}