/**
 * Page de connexion — Concept 3 « Identité horizontale premium »
 * Desktop : tout visible sans scroll (hauteur viewport).
 */
.login-page {
  font-family: var(--font-sans);
  background: var(--sia-bg-deep);
  height: var(--app-height, 100vh);
  min-height: var(--app-height, 100vh);
  overflow: hidden;
}

.login-container {
  display: flex;
  height: 100%;
  min-height: 0;
}

.login-page .left-panel {
  flex: 1;
  background: linear-gradient(160deg, var(--sia-bg-deep) 0%, var(--sia-bg-raised) 55%, var(--sia-brand) 140%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

.login-page .left-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="stars" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(221, 229, 245,0.25)"/><circle cx="80" cy="40" r="0.5" fill="rgba(221, 229, 245,0.15)"/><circle cx="40" cy="80" r="1" fill="rgba(221, 229, 245,0.2)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23stars)"/></svg>');
  opacity: 0.35;
  pointer-events: none;
}

.login-page .logo-visual {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 80%;
  max-width: 700px;
}

.login-page .logo-visual img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(23, 63, 155, 0.25));
}

/* B1 — logo charte BUESA (SVG blanc, panneau sombre constant) */
.login-page .logo-visual--square {
  width: min(58%, 220px);
  max-width: 220px;
}

.login-page .logo-visual--square img {
  width: 100%;
  height: auto;
  max-height: min(28vh, 220px);
  margin: 0 auto;
  display: block;
}

/* Legacy — grand logo horizontal */
.login-page .logo-visual--hero {
  width: 92%;
  max-width: 520px;
}

.login-page .logo-visual--hero img {
  max-height: min(42vh, 200px);
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  display: block;
}

.login-page .brand-tagline {
  position: relative;
  z-index: 1;
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sia-text-on-dark);
  opacity: 0.85;
}

.login-page .login-tagline {
  position: relative;
  z-index: 1;
  margin: 1rem 0 0;
  max-width: 18rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1.45;
  text-align: center;
  color: var(--sia-text-on-dark);
  opacity: 0.92;
}

.login-page .login-standard {
  position: relative;
  z-index: 1;
  margin: 0.45rem 0 0;
  max-width: 18rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  color: var(--sia-text-on-dark);
  opacity: 0.88;
}

.login-page .btn-back {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--sia-text-on-dark);
  background: rgba(17, 23, 35, 0.65);
  border: 1px solid rgba(221, 229, 245, 0.35);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
  backdrop-filter: blur(4px);
}

.login-page .btn-back:hover {
  background: rgba(23, 63, 155, 0.35);
  border-color: var(--sia-muted);
}

.login-page .btn-back svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.login-page .right-panel {
  flex: 1;
  background: var(--sia-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem;
  overflow: hidden;
  min-height: 0;
}

.login-page .form-group {
  margin-bottom: 0.7rem;
}

.login-page .form-group label {
  display: block;
  margin-bottom: 0.3rem;
}

.login-page .login-form-card {
  background: var(--sia-surface-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 400px;
  max-height: calc(var(--app-height, 100vh) - 2rem);
  padding: 1.15rem 1.4rem 1rem;
  border: 1px solid rgba(92, 101, 117, 0.2);
  overflow-y: auto;
}

.login-page .login-form-card h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.45rem, 2.2vw, 1.75rem);
  font-weight: 400;
  color: var(--sia-text-on-light);
  margin: 0 0 0.85rem;
  text-align: center;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.login-page .input-wrapper {
  position: relative;
}

.login-page label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sia-text-on-light);
}

.login-page input[type="email"],
.login-page input[type="password"],
.login-page input[type="text"] {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  border: 2px solid var(--sia-muted);
  border-radius: var(--radius-md);
  background: var(--sia-bg-light);
  color: var(--sia-text-on-light);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.login-page input:focus {
  outline: none;
  border-color: var(--sia-brand);
  background: var(--sia-surface-light);
  box-shadow: 0 0 0 3px rgba(23, 63, 155, 0.15);
}

.login-page .password-container {
  position: relative;
}

.login-page .password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--sia-muted);
  display: flex;
  align-items: center;
}

.login-page .password-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.login-page .password-toggle:hover {
  color: var(--sia-brand);
}

.login-page .login-form-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin: 0.15rem 0 0.7rem;
  flex-wrap: wrap;
}

.login-page .login-remember {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--sia-muted);
  cursor: pointer;
}

.login-page .login-remember input {
  min-width: 15px;
  accent-color: var(--sia-brand);
}

.login-page .login-forgot {
  font-size: 0.8rem;
  text-decoration: underline;
}

.login-page .btn-login {
  width: 100%;
  padding: 0.7rem 1rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--sia-text-on-dark);
  background: var(--sia-brand);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(23, 63, 155, 0.35);
}

.login-page .btn-login:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.login-page .btn-login:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.login-page .security-notice {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--sia-bg-light);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  color: var(--sia-muted);
  text-align: center;
  border: 1px solid rgba(92, 101, 117, 0.25);
}

.login-page .security-notice strong {
  color: var(--sia-text-on-light);
}

.login-page a.link-brand {
  color: var(--sia-brand);
}

.login-page .alert {
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  font-size: 0.82rem;
}

.login-page .alert-error {
  background: #fde8ea;
  color: #E52827;
  border: 1px solid rgba(155, 35, 53, 0.35);
}

.login-page .alert-success {
  background: #e8f5ee;
  color: #1e5c40;
  border: 1px solid rgba(30, 92, 64, 0.35);
}

.login-page .resend-verify-box {
  margin-top: 0.75rem;
  padding: 0.55rem 0.7rem;
  background: var(--sia-bg-light);
  border-radius: var(--radius-md);
  border: 1px solid rgba(92, 101, 117, 0.25);
  text-align: center;
}

.login-page .resend-verify-box--highlight {
  border-color: rgba(23, 63, 155, 0.35);
  background: rgba(23, 63, 155, 0.06);
}

.login-page .resend-verify-box__title {
  margin: 0 0 0.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sia-text-on-light);
}

.login-page .resend-verify-box__hint {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  color: var(--sia-muted);
  line-height: 1.35;
}

.login-page .btn-resend-verify {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sia-brand);
  background: transparent;
  border: 1px solid rgba(23, 63, 155, 0.35);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.login-page .btn-resend-verify:hover:not(:disabled) {
  background: rgba(23, 63, 155, 0.08);
  border-color: var(--sia-brand);
}

.login-page .btn-resend-verify:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-page .resend-status {
  margin: 0.45rem 0 0;
  font-size: 0.75rem;
  line-height: 1.35;
}

.login-page .resend-status--success {
  color: #1e5c40;
}

.login-page .resend-status--error {
  color: #E52827;
}

.login-page .login-footer-links {
  margin: 0.65rem 0 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--sia-muted);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.login-page .login-footer-links .link-brand {
  text-decoration: none;
}

.login-page .login-footer-links .link-brand:hover {
  text-decoration: underline;
}

.login-page .login-signup {
  text-align: center;
  margin: 0.55rem 0 0;
  font-size: 0.82rem;
  color: var(--sia-muted);
}

.login-page .login-signup .link-brand {
  text-decoration: underline;
}

.login-page .spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: login-spin 0.6s linear infinite;
  margin-left: 8px;
}

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

/* Écrans bas : densifier encore pour rester sans scroll */
@media (max-height: 760px) and (min-width: 969px) {
  .login-page .logo-visual--square {
    width: min(48%, 160px);
    max-width: 160px;
  }
  .login-page .logo-visual--square img {
    max-height: min(22vh, 160px);
  }
  .login-page .login-tagline {
    font-size: 0.8rem;
    margin-top: 0.7rem;
  }
  .login-page .login-form-card {
    padding: 0.9rem 1.2rem 0.85rem;
  }
  .login-page .login-form-card h1 {
    font-size: 1.4rem;
    margin-bottom: 0.65rem;
  }
  .login-page .form-group {
    margin-bottom: 0.55rem;
  }
  .login-page input[type="email"],
  .login-page input[type="password"],
  .login-page input[type="text"] {
    padding: 0.55rem 0.75rem;
  }
  .login-page .btn-login {
    padding: 0.6rem 0.9rem;
  }
  .login-page .resend-verify-box {
    margin-top: 0.55rem;
    padding: 0.45rem 0.6rem;
  }
  .login-page .resend-verify-box__hint {
    display: none;
  }
}

@media (max-width: 968px) {
  .login-page {
    height: auto;
    min-height: var(--app-height, 100vh);
    overflow-x: hidden;
    overflow-y: auto;
  }
  .login-container {
    flex-direction: column;
    height: auto;
    min-height: var(--app-height, 100vh);
  }
  .login-page .left-panel {
    min-height: 0;
    padding: 3.25rem 1.5rem 1.25rem;
    flex: 0 0 auto;
  }
  .login-page .logo-visual--square {
    width: min(42%, 140px);
    max-width: 140px;
  }
  .login-page .logo-visual--square img {
    max-height: 120px;
  }
  .login-page .login-tagline {
    font-size: 0.82rem;
    max-width: 17rem;
    margin-top: 0.75rem;
  }
  .login-page .right-panel {
    flex: 1 1 auto;
    align-items: flex-start;
    padding: 1rem 1.1rem 1.5rem;
    overflow: visible;
  }
  .login-page .login-form-card {
    padding: 1.25rem 1.2rem;
    max-width: 100%;
    max-height: none;
    overflow: visible;
  }
  .login-page .login-form-card h1 {
    font-size: 1.45rem;
    margin-bottom: 0.9rem;
  }
}

/* Carte auth autonome (mot de passe oublié / reset / changement forcé) */
.login-page.auth-standalone {
  height: auto;
  min-height: var(--app-height, 100vh);
  display: flex;
  align-items: safe center;
  justify-content: center;
  padding: 2rem;
  background: var(--sia-bg-light);
  overflow-y: auto;
}

.login-page.auth-standalone .login-form-card {
  max-width: 460px;
  max-height: none;
  padding: 2.5rem;
  overflow: visible;
  animation: auth-fade-in 0.5s ease-out;
}

.login-page.auth-standalone .login-form-card h1 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.login-page.auth-standalone .subtitle {
  color: var(--sia-muted);
  text-align: center;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.login-page.auth-standalone .back-link {
  display: block;
  text-align: center;
  margin-top: 1.5rem;
  color: var(--sia-muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.login-page.auth-standalone .back-link:hover {
  color: var(--sia-text-on-light);
  text-decoration: underline;
}

.login-page.auth-standalone .alert-info {
  background: rgba(23, 63, 155, 0.08);
  color: var(--sia-brand);
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  text-align: center;
  border: 1px solid rgba(23, 63, 155, 0.2);
}

.login-page.auth-standalone .error-msg {
  color: #E52827;
  font-size: 0.85rem;
  margin-top: 6px;
  display: none;
}

.login-page.auth-standalone .success-msg {
  background: #e8f5ee;
  color: #1e5c40;
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  text-align: center;
  border: 1px solid rgba(30, 92, 64, 0.35);
}

.login-page.auth-standalone a.link {
  color: var(--sia-brand);
  font-weight: 600;
  text-decoration: none;
}

.login-page.auth-standalone a.link:hover {
  text-decoration: underline;
}

@keyframes auth-fade-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Indicateur de force du mot de passe (inscription) */
.pwd-strength {
  margin-top: 0.5rem;
}

.pwd-strength-bar {
  height: 4px;
  background: var(--sia-surface-alt, #F7F7F7);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.pwd-strength-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 2px;
  background: #E52827;
  transition: width 0.2s ease, background 0.2s ease;
}

.pwd-strength-fill--weak { background: #E52827; }
.pwd-strength-fill--fair { background: #c47d1a; }
.pwd-strength-fill--good { background: #1e5c40; }

.pwd-strength-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}

.pwd-strength-rules li {
  font-size: 0.78rem;
  color: var(--sia-muted);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.35;
}

.pwd-strength-rules li::before {
  content: '○';
  position: absolute;
  left: 0;
  color: var(--sia-muted);
}

.pwd-strength-rules li.pwd-rule--ok {
  color: #1e5c40;
}

.pwd-strength-rules li.pwd-rule--ok::before {
  content: '✓';
  color: #1e5c40;
}

@media (max-width: 768px) {
  .login-page.auth-standalone {
    padding: 1rem;
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
  }
  .login-page.auth-standalone .login-form-card {
    padding: 1.5rem;
  }
  .login-page.auth-standalone .login-form-card h1 {
    font-size: 1.25rem;
  }

  /* Cibles tactiles 48dp sur telephone */
  .login-page .password-toggle {
    min-width: 48px;
    min-height: 48px;
    padding: 14px;
    right: 2px;
    justify-content: center;
  }
  .login-page .btn-login,
  .login-page .btn-back {
    min-height: 48px;
  }
  .login-page .back-link {
    display: inline-block;
    padding: 10px 6px;
    min-height: 48px;
    box-sizing: border-box;
  }
}