:root {
  --bg: #07111f;
  --bg-soft: #0c1a2d;
  --panel: rgba(10, 18, 32, 0.88);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #f4f7fb;
  --muted: #9caec7;
  --primary: #2f6bff;
  --primary-hover: #2557d6;
  --accent: #6fd3ff;
  --success-bg: rgba(35, 134, 54, 0.18);
  --success-border: rgba(72, 187, 120, 0.45);
  --success-text: #b7f7c4;
  --danger-bg: rgba(220, 53, 69, 0.16);
  --danger-border: rgba(255, 107, 129, 0.35);
  --danger-text: #ffd0d6;
  --input-bg: rgba(255, 255, 255, 0.04);
  --input-border: rgba(255, 255, 255, 0.1);
  --input-focus: rgba(111, 211, 255, 0.45);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(47, 107, 255, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(111, 211, 255, 0.14), transparent 24%),
    linear-gradient(180deg, #030712 0%, #07111f 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.login-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-content {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-text {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

@media (max-width: 640px) {
  .brand-text {
    font-size: 1rem;
  }

  .brand-logo {
    height: 38px;
  }
}


.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  transition: 0.25s ease;
}

.header-link:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.login-main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 48px 0;
}

.login-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}

.login-info,
.login-panel {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.login-info {
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.login-info::before {
  content: "";
  position: absolute;
  inset: auto -50px -50px auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.28), transparent 65%);
  pointer-events: none;
}

.section-tag,
.panel-kicker {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(47, 107, 255, 0.14);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.login-info h1,
.panel-header h2 {
  margin: 18px 0 14px;
  line-height: 1.1;
}

.login-info h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
}

.panel-header h2 {
  font-size: 1.9rem;
}

.login-info-text,
.panel-header p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
}

.info-card-list {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-card i {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(47, 107, 255, 0.16);
  color: var(--accent);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-card h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.login-panel {
  padding: 36px;
}

.panel-header {
  margin-bottom: 24px;
}

.flash-messages {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.alert {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 600;
  line-height: 1.5;
}

.alert i {
  flex-shrink: 0;
}

.alert-success {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-text);
}

.alert-danger {
  background: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}

.login-form {
  width: 100%;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.form-group label {
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-group input::placeholder {
  color: #8192ab;
}

.form-group input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 4px rgba(111, 211, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
}

.field-hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.field-hint.error {
  color: #ff9aa7;
}

.password-wrapper {
  position: relative;
}

.password-wrapper input {
  padding-right: 52px;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: 8px;
  transition: 0.2s ease;
}

.password-toggle:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.form-options {
  display: flex;
  justify-content: flex-end;
  margin: -2px 0 22px;
}

.forgot-password {
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 600;
}

.forgot-password:hover {
  text-decoration: underline;
}

.submit-btn {
  width: 100%;
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, #4b8dff 100%);
  color: white;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 14px 30px rgba(47, 107, 255, 0.28);
}

.submit-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

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

.login-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(3, 7, 18, 0.7);
}

.footer-content {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.footer-content p {
  margin: 0;
  color: var(--muted);
}

.is-invalid {
  border-color: rgba(255, 107, 129, 0.7) !important;
  box-shadow: 0 0 0 4px rgba(255, 107, 129, 0.08);
}

@media (max-width: 1024px) {
  .login-layout {
    grid-template-columns: 1fr;
  }

  .login-info,
  .login-panel {
    padding: 28px;
  }
}

@media (max-width: 640px) {
  .header-content {
    min-height: auto;
    padding: 16px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
  }

  .header-link {
    width: 100%;
    justify-content: center;
  }

  .login-main {
    padding: 28px 0;
  }

  .login-panel,
  .login-info {
    padding: 22px;
    border-radius: 18px;
  }

  .login-info h1 {
    font-size: 2rem;
  }

  .panel-header h2 {
    font-size: 1.5rem;
  }
}