/* ===== LOGIN.CSS - Minimal pre-auth styles =====
 * Only loaded on the login page. After auth, the full styles.css takes over.
 */

/* === Fonts === */
@font-face {
    font-family: 'IBM Plex Sans';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/ibm-plex-sans-400.woff2') format('woff2');
}

@font-face {
    font-family: 'IBM Plex Sans';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('/fonts/ibm-plex-sans-500.woff2') format('woff2');
}

@font-face {
    font-family: 'IBM Plex Sans';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('/fonts/ibm-plex-sans-600.woff2') format('woff2');
}

@font-face {
    font-family: 'IBM Plex Sans';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('/fonts/ibm-plex-sans-700.woff2') format('woff2');
}

/* === Reset === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* === CSS Variables (subset for login) === */
:root {
    color-scheme: only light;
    --color-primary: #E60005;
    --color-primary-dark: #C50004;
    --color-primary-darker: #7a1508;
    --color-primary-light: #FFEAEB;
    --color-accent: #004A99;
    --color-accent-light: #EBF5FF;
    --color-success: #28a745;
    --color-success-dark: #1e7e34;
    --color-success-light: #E8F5E9;
    --color-danger: #dc3545;
    --color-danger-dark: #c82333;
    --color-danger-light: #F8D7DA;
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #6c757d;
    --color-gray-600: #495057;
    --color-gray-700: #343a40;
    --color-gray-800: #2d2d2d;
    --color-gray-900: #1a1a1a;
    --color-surface: #ffffff;
    --color-surface-muted: #f8f9fa;
    --color-surface-hover: #f5f5f5;
    --color-text: #1f2937;
    --color-text-muted: #4b5563;
    --color-text-light: #6b7280;
    --color-text-inverse: #ffffff;
    --color-border: var(--color-gray-300);
    --color-border-light: var(--color-gray-200);
    --spacing-1: 0.25rem;
    --spacing-1-5: 0.375rem;
    --spacing-2: 0.5rem;
    --spacing-2-5: 0.625rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-full: 9999px;
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.875rem;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --transition-normal: 0.15s ease;
    --z-modal-backdrop: 400;
    --primary: var(--color-primary);
    --primary-dark: var(--color-primary-dark);
    --primary-light: var(--color-primary-light);
    --bg-page: var(--color-surface-muted);
    --bg-card: var(--color-surface);
    --bg-input: var(--color-accent-light);
    --text-primary: var(--color-text);
    --text-muted: var(--color-text-light);
    --text-inverse: var(--color-text-inverse);
    --border-color: var(--color-border);
    --border-light: var(--color-border-light);
    --danger: var(--color-danger);
    --danger-light: var(--color-danger-light);
    --radius: var(--radius-md);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* === Body === */
body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
html .hidden { display: none; }

/* === Dark Mode (auto) === */
html.dark-mode {
    --bg-page: var(--color-gray-900);
    --bg-card: var(--color-gray-800);
    --bg-input: #3d3d3d;
    --color-surface: #2d2d2d;
    --color-surface-muted: #1a1a1a;
    --text-primary: #f5f5f5;
    --text-muted: #9ca3af;
    --color-text: #f5f5f5;
    --color-text-muted: #d1d5db;
    --border-color: #4d4d4d;
    --border-light: #3d3d3d;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --primary-light: #4a2020;
    --danger-light: #4a2020;
    --color-success-light: #1a3d2a;
    --color-success-dark: #4ade80;
    --color-danger-light: #4a2020;
    --color-danger-dark: #f87171;
    --color-accent-light: #3d3d3d;
    --color-gray-600: #d1d5db;
    --color-gray-700: #e5e7eb;
}

html.dark-mode .login-container {
    background: var(--bg-card);
}

html.dark-mode input,
html.dark-mode select,
html.dark-mode textarea {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--border-color);
}

html.dark-mode input::placeholder,
html.dark-mode textarea::placeholder {
    color: var(--text-muted);
}

/* === Dark Mode (manual) === */
[data-theme="dark"] {
    --bg-page: var(--color-gray-900);
    --bg-card: var(--color-gray-800);
    --bg-input: #3d3d3d;
    --color-surface: #2d2d2d;
    --color-surface-muted: #1a1a1a;
    --color-surface-hover: #3d3d3d;
    --text-primary: #f5f5f5;
    --text-muted: #9ca3af;
    --color-text: #f5f5f5;
    --color-text-muted: #d1d5db;
    --border-color: #4d4d4d;
    --border-light: #3d3d3d;
    --color-border: #4d4d4d;
    --color-border-light: #3d3d3d;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --primary-light: #4a2020;
    --danger-light: #4a2020;
    --color-success-light: #1a3d2a;
    --color-success-dark: #4ade80;
    --color-danger-light: #4a2020;
    --color-danger-dark: #f87171;
    --color-accent-light: #3d3d3d;
    --color-gray-600: #d1d5db;
    --color-gray-700: #e5e7eb;
}

[data-theme="dark"] .login-container { background: var(--bg-card); }

html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--border-color);
}

html[data-theme="dark"] input::placeholder,
html[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted);
}

/* === Light Mode (explicit override) === */
[data-theme="light"] {
    --color-surface: #ffffff;
    --color-surface-muted: #f9fafb;
    --bg-page: var(--color-gray-100);
    --bg-card: var(--color-surface);
    --bg-input: var(--color-accent-light);
    --text-primary: #554F4A;
    --text-muted: #9ca3af;
    --color-text: #554F4A;
    --color-text-muted: #6b7280;
    --border-color: var(--color-gray-400);
    --border-light: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --primary-light: var(--color-danger-light);
    --danger-light: var(--color-danger-light);
    --color-success-dark: #1e7e34;
    --color-danger-dark: #c82333;
    --color-success-light: #E8F5E9;
    --color-danger-light: #F8D7DA;
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #6c757d;
    --color-gray-600: #495057;
    --color-gray-700: #343a40;
}

/* === Screen === */
.screen { min-height: 100vh; }

/* === Login Container === */
.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: var(--color-surface);
}

.login-header {
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 24px;
}

.login-header h1 { font-size: 28px; font-weight: 700; margin-bottom: 4px; letter-spacing: -0.5px; }
.login-header p { opacity: 0.9; font-size: 14px; }

.login-form {
    text-align: center;
    border: 2px solid var(--primary);
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    background: var(--color-surface);
    padding: 28px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 360px;
}

.login-form .form-group { text-align: left; width: 100%; }

.login-error {
    background: var(--danger-light);
    color: var(--danger);
    padding: 10px;
    border-radius: var(--radius);
    margin-top: 14px;
    font-size: 13px;
    text-align: center;
    border: 1px solid var(--danger);
}

/* === Buttons (subset) === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    gap: var(--spacing-1-5);
    background: var(--color-gray-50);
    color: var(--color-text);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-darker) 100%);
}

.btn-secondary {
    background: var(--color-gray-500);
    color: var(--color-text-inverse);
    border: none;
}

.btn-block { width: 100%; }
.btn-lg { padding: var(--spacing-3) 1.5rem; font-size: var(--text-base); }

/* === Forms (subset) === */
.form-group { margin-bottom: var(--spacing-4); }

.form-group label {
    display: block;
    margin-bottom: var(--spacing-1-5);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    background-color: var(--color-surface-muted);
    color: var(--color-text);
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-surface);
    box-shadow: 0 0 0 3px rgba(0, 74, 153, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

/* Touch targets */
.form-group input,
.form-group select {
    min-height: 44px;
    height: 44px;
    padding: var(--spacing-2-5) var(--spacing-3);
    font-size: 16px;
}

/* Safari appearance fix */
input[type="text"],
input[type="password"],
input[type="email"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border-radius: 6px;
}

button, .btn, input[type="submit"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Focus states */
select:focus, input:focus, textarea:focus, button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 74, 153, 0.2);
}

/* Prevent iOS zoom */
@media screen and (-webkit-min-device-pixel-ratio: 0) and (max-width: 768px) {
    select, input, textarea { font-size: 16px; }
}

/* === Modal (for password reset) === */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-5);
}

.modal.active { display: flex; }

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 460px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .modal-content { background: var(--bg-card); }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-3);
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-primary-light);
}

.modal-header h2 {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-primary);
    padding: 0;
    line-height: 1;
}

.modal-close:hover { color: var(--color-primary-dark); }

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface-muted);
}

/* === Password Reset === */
.forgot-password-link { text-align: center; margin-top: var(--spacing-4); }
.forgot-password-link a { color: var(--color-gray-500); font-size: 0.9rem; text-decoration: none; }
.forgot-password-link a:hover { color: var(--color-accent); text-decoration: underline; }

.reset-message {
    margin-top: var(--spacing-4);
    padding: var(--spacing-2-5) var(--spacing-4);
    border-radius: var(--radius-md);
    text-align: center;
}

.reset-message.success {
    background: var(--color-success-light);
    color: var(--color-success-dark);
    border: 1px solid var(--color-success);
}

.reset-message.error {
    background: var(--color-danger-light);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}