/**
 * FlatCMS - Flat-File Content Management System
 * Copyright (C) 2026 Alain BROYE
 * SPDX-License-Identifier: AGPL-3.0-or-later
 *
 * See LICENSE, LICENSING.md and TRADEMARK.md.
 */

:root {
  --color-primary: #4f46e5;
  --color-primary-light: #6366f1;
  --color-secondary: #8b5cf6;
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-border: #334155;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-page {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo {
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.form-input {
  width: 100%;
  min-height: 40px;
  height: 40px;
  padding: 6px 1rem;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  color: var(--color-text-primary);
  font-size: 0.875rem;
  line-height: 1.25;
  box-sizing: border-box;
  transition: all 150ms ease;
}

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

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.form-input.is-invalid {
  border-color: var(--color-danger);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.form-check-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: all 150ms ease;
}

.btn-primary {
  background: #6366f1;
  border-color: #6366f1;
  color: #ffffff;
  box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.48), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.btn-primary:hover {
  background: #818cf8;
  border-color: #818cf8;
  box-shadow: 0 16px 30px -8px rgba(99, 102, 241, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.34), 0 0 0 2px rgba(129, 140, 248, 0.36);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #8b5cf6;
  color: #ffffff;
  border: 1px solid #8b5cf6;
  box-shadow: 0 10px 20px -6px rgba(139, 92, 246, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

.btn-secondary:hover {
  background: #a78bfa;
  border-color: #a78bfa;
  box-shadow: 0 16px 30px -10px rgba(139, 92, 246, 0.58), inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 0 0 2px rgba(167, 139, 250, 0.32);
  transform: translateY(-1px);
}

.btn-secondary:active {
  background: #7c3aed;
  border-color: #7c3aed;
  transform: translateY(0);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(217, 70, 239, 0.45), 0 0 0 5px rgba(14, 23, 42, 0.92);
}

.btn-block {
  width: 100%;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

/* Links */
a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 150ms ease;
}

a:hover {
  color: #818cf8;
  text-decoration: underline;
}

/* Autofill Override (dark theme) */
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover,
.form-input:-webkit-autofill:focus,
.form-input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 1000px var(--color-bg-tertiary) inset !important;
  -webkit-text-fill-color: var(--color-text-primary) !important;
  transition: background-color 5000s ease-in-out 0s;
  caret-color: var(--color-text-primary);
}

.auth-footer {
  text-align: center;
  margin-top: 2rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

@media (max-width: 640px) {
  .auth-page {
    align-items: flex-start;
    padding: 0.75rem;
  }

  .auth-container {
    max-width: 100%;
  }

  .auth-card {
    padding: 1.25rem;
    border-radius: 0.875rem;
  }

  .auth-header {
    margin-bottom: 1.5rem;
  }

  .auth-logo {
    font-size: 1.5rem;
  }
}

@media (max-width: 500px) {
  .auth-page {
    padding: 0.5rem;
  }

  .auth-card {
    padding: 0.75rem;
  }
}

@media (max-width: 380px) {
  .auth-page {
    padding: 0;
  }

  .auth-card {
    padding: 0.5rem;
  }
}