:root {
  --primary: #2563eb;
  --secondary: #38bdf8;
  --accent: #0ea5e9;
  --success: #22c55e;
  --danger: #ef4444;
  --login-bg: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.3) 0%, rgba(2, 6, 23, 0.9) 55%), #0b1120;
  --panel-bg: rgba(255, 255, 255, 0.94);
  --panel-border: rgba(148, 163, 184, 0.22);
  --hero-gradient: linear-gradient(135deg, #2563eb 0%, #38bdf8 45%, #22c55e 100%);
  --hero-overlay: linear-gradient(160deg, rgba(9, 14, 33, 0.2) 0%, rgba(9, 14, 33, 0.75) 60%, rgba(9, 14, 33, 0.95) 100%);
  --text-light: rgba(226, 232, 240, 0.9);
  --text-muted: rgba(226, 232, 240, 0.68);
  --card-shadow: 0 36px 60px -42px rgba(2, 6, 23, 0.75);
  --input-bg: rgba(241, 245, 249, 0.7);
  --divider: rgba(148, 163, 184, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Poppins', 'Segoe UI', sans-serif;
  background: var(--login-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
  color: #0f172a;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before,
body::after {
  content: '';
  position: absolute;
  filter: blur(70px);
  opacity: 0.55;
  z-index: 0;
}

body::before {
  width: 320px;
  height: 320px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.4);
  top: -120px;
  left: -80px;
}

body::after {
  width: 420px;
  height: 420px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.35);
  bottom: -160px;
  right: -120px;
}

.auth-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  max-width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 0.45fr);
  grid-template-areas: "hero panel";
  border-radius: 28px;
  overflow: hidden;
  backdrop-filter: blur(30px);
  background: rgba(15, 23, 42, 0.18);
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(148, 163, 184, 0.22);
}

.auth-hero {
  grid-area: hero;
  position: relative;
  background: var(--hero-gradient);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2.5rem, 4vw, 3.5rem);
  isolation: isolate;
}

.auth-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
  z-index: -1;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-light);
}

.hero-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18), 0 12px 20px -16px rgba(15, 23, 42, 0.9);
}

.hero-headline {
  margin-top: clamp(1.5rem, 3vw, 2rem);
  max-width: 24rem;
}

.hero-headline h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.1rem, 3vw, 2.6rem);
  font-weight: 600;
  line-height: 1.15;
  color: #f8fafc;
}

.hero-headline p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

.hero-features {
  margin-top: clamp(1.75rem, 3vw, 2.25rem);
  display: grid;
  gap: 0.9rem;
  padding: 0;
  list-style: none;
}

.hero-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.5;
}

.hero-feature-icon {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.08));
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: #f8fafc;
}

.hero-insight {
  margin-top: clamp(2rem, 4vw, 2.75rem);
  display: grid;
  gap: 1.25rem;
}

.hero-insight-card {
  background: rgba(15, 23, 42, 0.3);
  border-radius: 20px;
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: 0 22px 36px -30px rgba(2, 6, 23, 0.8);
}

.hero-insight-card strong {
  font-size: 2.1rem;
  font-weight: 600;
  color: #fff;
}

.hero-insight-card span {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-mini {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hero-mini i {
  width: 42px;
  height: 42px;
  padding: 0.75rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.auth-panel {
  grid-area: panel;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.85));
  padding: clamp(2.5rem, 4vw, 3.5rem);
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid rgba(148, 163, 184, 0.2);
}

.panel-card {
  width: min(420px, 100%);
}

.panel-header {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.panel-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(37, 99, 235, 0.12);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.25);
}

.panel-header h2 {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 600;
  color: #111827;
}

.panel-header p {
  margin: 0;
  font-size: 0.95rem;
  color: #4b5563;
  line-height: 1.6;
}

.error-banner {
  display: none;
  align-items: center;
  gap: 0.75rem;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #b42318;
  border-radius: 14px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.error-banner svg {
  flex: none;
  width: 24px;
  height: 24px;
}

.error-banner a {
  color: #b42318;
  font-weight: 500;
  text-decoration: underline;
}

.error-banner.is-visible {
  display: flex;
}

.form-stack {
  display: grid;
  gap: 1.15rem;
}

.form-label {
  font-weight: 500;
  color: #111827;
  font-size: 0.88rem;
}

.input-wrapper {
  position: relative;
}

.input-wrapper input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  background: var(--input-bg);
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  color: #0f172a;
}

.input-wrapper input:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
  background: #fff;
}

.password-toggle {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: #6b7280;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: color 0.2s ease, background 0.2s ease;
}

.password-toggle:hover {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
}

.form-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
  font-size: 0.84rem;
}

.form-meta label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: #4b5563;
}

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

.form-meta a:hover {
  text-decoration: underline;
}

.btn-primary {
  border: none;
  border-radius: 12px;
  padding: 0.95rem 1rem;
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 12px 24px -18px rgba(37, 99, 235, 0.75);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  cursor: pointer;
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 18px 32px -22px rgba(29, 78, 216, 0.9);
}

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

.support-links {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: #6b7280;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.support-links a {
  color: inherit;
  text-decoration: none;
  font-weight: 500;
}

.support-links a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.access-note {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-radius: 14px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  background: rgba(15, 23, 42, 0.03);
  font-size: 0.85rem;
  color: #475569;
  display: grid;
  gap: 0.45rem;
}

.access-note strong {
  color: #0f172a;
  font-weight: 600;
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--divider);
  margin: 1.5rem 0;
}

.modal-content {
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 30px 60px -40px rgba(15, 23, 42, 0.55);
}

.modal-header {
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(241, 245, 249, 0.65);
}

.modal-title {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #111827;
}

.modal-body .form-label {
  font-weight: 500;
  font-size: 0.9rem;
  color: #1f2937;
}

.modal-body .form-control,
.modal-body textarea {
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: #f8fafc;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.modal-body .form-control:focus,
.modal-body textarea:focus {
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
  background: #fff;
}

.modal-footer,
.modal-body .d-flex {
  border-top: none;
}

.modal .btn-primary {
  background: var(--primary);
  border: none;
}

.modal .btn-primary:hover {
  background: #1d4ed8;
}

.modal .btn-outline-secondary {
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: #475569;
}

.toast {
  box-shadow: 0 20px 35px -18px rgba(15, 23, 42, 0.55);
  border-radius: 14px;
}

.toast .toast-body {
  font-size: 0.9rem;
}

@media (max-width: 1040px) {
  body {
    align-items: flex-start;
  }

  .auth-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "panel"
      "hero";
    width: 100%;
  }

  .auth-hero {
    min-height: 340px;
    padding-bottom: 2.25rem;
  }

  .auth-panel {
    padding-top: 2.25rem;
  }
}

@media (max-width: 720px) {
  body {
    padding: 1rem;
  }

  .auth-shell {
    border-radius: 22px;
    width: 100%;
    box-shadow: 0 24px 48px -36px rgba(15, 23, 42, 0.55);
  }

  .auth-hero {
    padding: 1.85rem;
  }

  .hero-insight-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-headline h1 {
    font-size: clamp(1.6rem, 5vw, 2rem);
  }

  .hero-headline p {
    font-size: 0.92rem;
  }

  .hero-features {
    gap: 0.75rem;
  }

  .auth-panel {
    padding: 2rem 1.5rem 2.35rem;
  }

  .panel-header h2 {
    font-size: 1.6rem;
  }

  .panel-card {
    width: 100%;
  }
}

@media (max-width: 520px) {
  body {
    padding: 0.75rem;
  }

  .auth-shell {
    border-radius: 18px;
  }

  .auth-hero {
    padding: 1.6rem;
    gap: 1.35rem;
  }

  .hero-headline {
    max-width: 100%;
  }

  .hero-headline h1 {
    font-size: 1.45rem;
  }

  .hero-feature {
    font-size: 0.9rem;
  }

  .hero-insight {
    gap: 0.85rem;
  }

  .hero-insight-card {
    width: 100%;
  }

  .auth-panel {
    padding: 1.85rem 1.25rem 2.25rem;
  }

  .form-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .support-links {
    flex-direction: column;
    gap: 0.5rem;
  }

  .btn-primary {
    width: 100%;
  }

  .panel-header p {
    font-size: 0.9rem;
  }

  .access-note {
    font-size: 0.82rem;
  }
}

@media (max-width: 420px) {
  .auth-hero {
    padding: 1.4rem;
  }

  .hero-feature {
    gap: 0.65rem;
  }

  .hero-feature-icon {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }

  .hero-insight-card {
    padding: 1rem 1.1rem;
  }

  .auth-panel {
    padding: 1.65rem 1.1rem 2rem;
  }

  .form-label {
    font-size: 0.85rem;
  }

  .input-wrapper input {
    padding: 0.8rem 0.95rem;
    font-size: 0.92rem;
  }

  .form-meta {
    gap: 0.6rem;
  }

  .support-links,
  .access-note {
    gap: 0.35rem;
  }
}