/**
 * VLEZNICA Admin Login - Premium UI 2030
 * Split layout, glassmorphism, refined typography
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --admin-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --admin-primary: #2563eb;
  --admin-primary-dark: #1d4ed8;
  --admin-bg-light: #f8fafc;
  --admin-bg-white: #ffffff;
  --admin-bg-card: rgba(255, 255, 255, 0.95);
  --admin-border: rgba(148, 163, 184, 0.35);
  --admin-text: #0f172a;
  --admin-text-muted: #64748b;
  --admin-radius: 14px;
  --admin-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --admin-shadow-lg: 0 25px 50px -12px rgba(15, 23, 42, 0.12);
  --admin-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--admin-font) !important;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #f8fafc 100%) !important;
}

/* ========== Split wrapper ========== */
.admin-login-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ========== Left brand panel ========== */
.admin-login-brand {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 48px;
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border-right: 1px solid var(--admin-border);
  box-shadow: 4px 0 24px rgba(15, 23, 42, 0.04);
  position: relative;
  overflow: hidden;
}

.admin-login-brand .brand-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  min-height: 100%;
  width: 100%;
  max-width: 480px;
}

.admin-login-brand .brand-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.admin-login-brand .brand-credits {
  margin: 0;
  padding: 24px 16px 0;
  font-size: 12px;
  color: #64748b;
  line-height: 1.5;
  text-align: center;
}

.admin-login-brand::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.brand-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 480px;
  width: 100%;
}

.brand-logo {
  max-width: 220px;
  width: 100%;
  height: auto;
  margin-bottom: 24px;
}

.brand-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--admin-text);
  margin: 0 0 32px;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.brand-decor {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.brand-decor span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--admin-primary);
  opacity: 0.6;
  animation: pulse-dot 2s ease-in-out infinite;
}

.brand-decor span:nth-child(1) { animation-delay: 0s; }
.brand-decor span:nth-child(2) { animation-delay: 0.2s; }
.brand-decor span:nth-child(3) { animation-delay: 0.4s; }
.brand-decor span:nth-child(4) { animation-delay: 0.6s; }
.brand-decor span:nth-child(5) { animation-delay: 0.8s; }

@keyframes pulse-dot {
  0%, 100% { opacity: 0.4; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* ========== Right form panel ========== */
.admin-login-form-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  min-width: 0;
  position: relative;
}

/* Back to home link */
.back-to-home {
  position: absolute;
  top: 24px;
  right: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--admin-text-muted) !important;
  text-decoration: none !important;
  transition: color var(--admin-transition);
}

.back-to-home:hover {
  color: var(--admin-primary) !important;
}

.back-to-home i {
  font-size: 1rem;
}

.form-panel-inner {
  width: 100%;
  max-width: 400px;
}

.form-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--admin-text);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.form-subtitle {
  font-size: 0.95rem;
  color: var(--admin-text-muted);
  margin: 0 0 32px;
}

/* Alert */
.admin-login-form-panel .alert {
  border-radius: var(--admin-radius);
}

.admin-login-form-panel .alert-danger {
  border: 1px solid rgba(239, 68, 68, 0.25);
  background: rgba(254, 226, 226, 0.9);
  color: #b91c1c;
}

.admin-login-form-panel .alert-success {
  border: 1px solid rgba(34, 197, 94, 0.3);
  background: rgba(220, 252, 231, 0.9);
  color: #15803d;
}

.admin-login-form-panel .alert-warning {
  border: 1px solid rgba(234, 179, 8, 0.3);
  background: rgba(254, 249, 195, 0.9);
  color: #a16207;
}

/* Form */
.admin-login-form .input-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--admin-text-muted);
  margin-bottom: 8px;
}

.admin-login-form .input-label i {
  margin-right: 8px;
  opacity: 0.8;
  width: 16px;
}

.admin-login-form .form-control {
  background: #ffffff !important;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--admin-text) !important;
  transition: border-color var(--admin-transition), box-shadow var(--admin-transition);
}

.admin-login-form .form-control::placeholder {
  color: var(--admin-text-muted);
  opacity: 0.7;
}

.admin-login-form .form-control:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
  outline: 0;
}

.admin-login-form .form-control:-webkit-autofill,
.admin-login-form .form-control:-webkit-autofill:hover,
.admin-login-form .form-control:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--admin-text);
  -webkit-box-shadow: 0 0 0 30px #ffffff inset !important;
}

/* Login button */
.btn-login {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  margin-top: 24px;
  font-family: var(--admin-font) !important;
  font-size: 15px;
  font-weight: 600;
  color: #fff !important;
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%) !important;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform var(--admin-transition), box-shadow var(--admin-transition);
}

.btn-login:hover,
.btn-login:focus {
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.35);
}

.btn-login i {
  transition: transform var(--admin-transition);
}

.btn-login:hover i {
  transform: translateX(4px);
}

/* Forget link */
.forget-link {
  display: block;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--admin-primary) !important;
  text-decoration: none !important;
  transition: color var(--admin-transition);
}

.forget-link:hover {
  color: var(--admin-primary-dark) !important;
}

.forget-link i {
  margin-right: 6px;
  font-size: 0.85em;
}

/* ========== Mobile responsive ========== */
@media (max-width: 991px) {
  .admin-login-wrapper {
    flex-direction: column;
  }

  .admin-login-brand {
    padding: 40px 24px 32px;
    border-right: none;
    border-bottom: 1px solid var(--admin-border);
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.04);
  }

  .brand-logo {
    max-width: 180px;
    margin-bottom: 16px;
  }

  .brand-title {
    font-size: 1.4rem;
  }

  .brand-tagline {
    margin-bottom: 20px;
  }

  .admin-login-form-panel {
    padding: 40px 24px;
  }

  .back-to-home {
    top: 16px;
    right: 16px;
    font-size: 0.85rem;
  }
}

/* ========== Legacy: .form, .login-page (forget-password compatibility) ========== */
.login-page,
.forget-page {
  width: 100%;
  max-width: 420px;
  padding: 10% 24px 8%;
  margin: 0 auto;
}

.login-page .text-center.mb-4,
.forget-page .text-center.mb-4 {
  margin-bottom: 2rem !important;
}

.login-logo {
  max-width: 180px;
  width: 100%;
  height: auto;
  display: inline-block;
  filter: brightness(1.05);
}

.form {
  position: relative;
  z-index: 1;
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  max-width: 420px;
  margin: 0 auto 100px;
  padding: 40px 36px;
  text-align: center;
  box-shadow: var(--admin-shadow-lg);
}

.form input {
  font-family: var(--admin-font) !important;
  outline: 0;
  background: #ffffff !important;
  color: var(--admin-text) !important;
  width: 100%;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  margin: 0 0 16px;
  padding: 14px 18px;
  font-size: 15px;
}

.form input::placeholder {
  color: var(--admin-text-muted);
}

.form input:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form button {
  font-family: var(--admin-font) !important;
  font-weight: 600;
  outline: 0;
  background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%) !important;
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 14px 18px;
  color: #fff !important;
  font-size: 15px;
  cursor: pointer;
  margin-top: 8px;
}

.form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
}

.form .message {
  margin: 20px 0 0;
  color: var(--admin-text-muted);
  font-size: 14px;
}

.form .message a {
  color: var(--admin-primary);
  text-decoration: none;
  font-weight: 500;
}

a.forget-link,
a.back-to-login {
  display: block;
  font-size: 14px;
  margin-top: 20px;
  margin-bottom: 0;
  color: var(--admin-primary) !important;
}

a.forget-link:hover,
a.back-to-login:hover {
  text-decoration: none !important;
  color: var(--admin-primary-dark) !important;
}

.form .alert {
  border-radius: 12px;
  text-align: left;
}

.forget-page {
  max-width: 480px;
  margin: 0 auto;
  padding: 10% 24px 0;
}

.forget-page .form {
  max-width: 480px;
}