/* Modern fintech-inspired login styles */
:root {
  /* Color palette inspired by design references */
  --color-background: #fafafa;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-secondary: #64748b;
  --color-text-primary: #0f172a;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-focus: #2563eb;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  /* Spacing and sizing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.background-decoration {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, transparent 50%),
    linear-gradient(45deg, transparent 50%, rgba(99, 102, 241, 0.05) 100%);
  opacity: 0.6;
}

.background-decoration::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(30px, -30px) rotate(120deg);
  }
  66% {
    transform: translate(-20px, 20px) rotate(240deg);
  }
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 10;
  border: 1px solid var(--color-border);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: var(--shadow-md);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.login-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.login-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  font-weight: 400;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 400;
  background: var(--color-surface);
  color: var(--color-text-primary);
  transition: all 0.2s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--color-surface-elevated);
}

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

.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--color-text-muted);
  font-size: 1rem;
  z-index: 2;
  transition: color 0.2s ease;
}

.form-input:focus + .input-icon,
.input-container:focus-within .input-icon {
  color: var(--color-primary);
}

.password-toggle {
  position: absolute;
  right: 1rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  z-index: 2;
}

.password-toggle:hover {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

.login-button {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.login-button:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.login-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.login-button:disabled {
  background: var(--color-text-muted);
  cursor: not-allowed;
  transform: none;
}

.button-text {
  transition: transform 0.2s ease;
}

.button-icon {
  transition: transform 0.2s ease;
  font-size: 0.875rem;
}

.login-button:hover .button-icon {
  transform: translateX(2px);
}

.login-button.loading .button-text {
  opacity: 0;
}

.login-button.loading .button-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.form-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  text-align: center;
}

.form-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s ease;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
}

.form-link:hover {
  color: var(--color-primary);
}

.form-link.primary {
  color: var(--color-primary);
  font-weight: 600;
}

.form-link.primary:hover {
  color: var(--color-primary-hover);
}

.trust-indicators {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  flex: 1;
  text-align: center;
}

.trust-item i {
  color: var(--color-success);
  font-size: 1.25rem;
}

.trust-item span {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
}

/* Hidden state for phone div */
.form-group.hidden {
  display: none;
}

/* Success states */
.form-input.success {
  border-color: var(--color-success);
}

.form-input.error {
  border-color: var(--color-error);
}

/* Responsive design */
@media (max-width: 480px) {
  .login-container {
    padding: var(--spacing-md);
  }

  .login-card {
    padding: var(--spacing-xl);
  }

  .login-title {
    font-size: 1.5rem;
  }

  .trust-indicators {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .trust-item {
    flex-direction: row;
    justify-content: center;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #0f172a;
    --color-surface: #1e293b;
    --color-surface-elevated: #334155;
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #64748b;
    --color-border: #334155;
  }

  .background-decoration {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
      linear-gradient(45deg, transparent 50%, rgba(99, 102, 241, 0.05) 100%);
  }
}