:root {
  --login-bg: var(--bg-base);
  --login-card-bg: rgba(255, 255, 255, 0.45);
  --login-text: var(--text-primary);
  --login-muted: var(--text-secondary);
  --login-primary: var(--color-primary);
  --login-primary-hover: var(--color-primary-hover);
  --login-border: rgba(15, 23, 42, 0.08);
  --login-error-bg: rgba(239, 68, 68, 0.1);
  --login-error-text: #ef4444;
  --login-input-bg: rgba(255, 255, 255, 0.5);
  --login-input-border: rgba(15, 23, 42, 0.1);
}

body.dark-theme {
  --login-bg: var(--bg-base);
  --login-card-bg: rgba(15, 23, 42, 0.4);
  --login-text: var(--text-primary);
  --login-muted: var(--text-secondary);
  --login-primary: var(--color-primary);
  --login-primary-hover: var(--color-primary-hover);
  --login-border: rgba(255, 255, 255, 0.08);
  --login-error-bg: rgba(239, 68, 68, 0.15);
  --login-error-text: #fca5a5;
  --login-input-bg: rgba(15, 23, 42, 0.3);
  --login-input-border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body), "Inter", system-ui, sans-serif;
  color: var(--login-text);
  background-color: var(--login-bg);
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
  overflow-x: hidden;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  z-index: 1;
}

/* Material 3 Glassmorphic Card */
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--login-card-bg);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--login-border);
  border-radius: 24px;
  padding: 44px 32px;
  box-shadow:
    0 8px 32px 0 rgba(31, 38, 135, 0.04),
    0 24px 50px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition:
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s ease;
  animation: cardFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.login-card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 12px 40px 0 rgba(31, 38, 135, 0.06),
    0 32px 64px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-logo-link {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
  transition: transform 0.3s ease;
}

.login-logo-link:hover {
  transform: scale(1.06);
}

.login-logo {
  height: 96px; /* Big Logo */
  width: auto;
  filter: drop-shadow(0 8px 24px rgba(37, 99, 235, 0.15));
  transition: filter 0.3s ease;
}

.dark-theme .login-logo {
  filter: drop-shadow(0 8px 24px rgba(96, 165, 250, 0.25));
}

.login-title {
  font-family: var(--font-headings), "Outfit", sans-serif;
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin: 0 0 32px;
  letter-spacing: 0.1em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.login-error {
  background: var(--login-error-bg);
  color: var(--login-error-text);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  text-align: center;
  backdrop-filter: blur(10px);
}

/* Material 3 Outlined Input Fields */
.form-label {
  font-family: var(--font-headings), sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--login-muted);
  margin-bottom: 8px;
}

.form-control-lg {
  background-color: var(--login-input-bg);
  border: 1px solid var(--login-input-border);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 0.95rem;
  color: var(--login-text);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(5px);
}

.form-control-lg:focus {
  background-color: var(--login-input-bg);
  border-color: var(--login-primary);
  color: var(--login-text);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.dark-theme .form-control-lg:focus {
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.18);
}

.password-field {
  position: relative;
}

.password-field .form-control {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: var(--login-muted);
  padding: 6px;
  cursor: pointer;
  transition:
    color 0.2s ease,
    transform 0.2s ease;
}

.password-toggle:hover {
  color: var(--login-primary);
  transform: translateY(-50%) scale(1.1);
}

/* Material 3 Pill Button */
.login-submit {
  background: var(--gradient-brand);
  color: #ffffff !important;
  border: none;
  border-radius: 100px;
  font-family: var(--font-headings), sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  padding: 15px 28px;
  box-shadow:
    0 8px 20px rgba(37, 99, 235, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 12px;
}

.login-submit:hover {
  transform: translateY(-2px);
  box-shadow:
    0 12px 28px rgba(37, 99, 235, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  filter: brightness(1.08);
}

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

/* Overlay Glassmorphism */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.dark-theme .login-overlay {
  background: rgba(15, 23, 42, 0.45);
}

.login-overlay .spinner {
  position: static;
  transform: none;
  margin-bottom: 20px;
  border-color: var(--login-primary) transparent transparent transparent;
}

.login-overlay .loading-text {
  margin: 0;
  color: var(--login-text);
  font-family: var(--font-headings), sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
}

.password-requirements .req-item {
  display: flex;
  align-items: center;
  font-size: 0.84rem;
  margin-bottom: 4px;
  transition:
    color 0.25s ease,
    opacity 0.25s ease;
}

.password-requirements .req-invalid {
  color: #ff6b6b !important;
}

.password-requirements .req-valid {
  color: #51cf66 !important;
}

.password-requirements .req-icon {
  width: 16px;
  display: inline-block;
  text-align: center;
  font-size: 0.8rem;
}