/**
 * Standalone CSS for Login and Register Pages
 * No external dependencies required
 */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-red-50: #fef2f2;
    --color-red-400: #f87171;
    --color-red-600: #dc2626;
    --color-red-800: #991b1b;
    --color-red-900: #7f1d1d;
    --color-green-50: #f0fdf4;
    --color-green-400: #4ade80;
    --color-green-800: #166534;
    --color-blue-50: #eff6ff;
    --color-blue-300: #93c5fd;
    --color-blue-400: #60a5fa;
    --color-blue-600: #2563eb;
    --color-blue-700: #1d4ed8;
    --color-blue-800: #1e40af;
    --color-blue-900: #1e3a8a;
    --color-amber-50: #fffbeb;
    --color-amber-200: #fde68a;
    --color-amber-300: #fcd34d;
    --color-amber-400: #fbbf24;
    --color-amber-700: #b45309;
    --color-amber-800: #92400e;
    --color-pink-600: #db2777;
}

/* Light mode colors (default) */
:root {
    --color-bg: #f9fafb;
    --color-bg-card: #ffffff;
    --color-text: #111827;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-input-bg: #f9fafb;
    --color-input-border: #d1d5db;
}

/* Dark mode colors */
html.dark,
.dark {
    --color-bg: #111827;
    --color-bg-card: #1f2937;
    --color-text: #f3f4f6;
    --color-text-muted: #9ca3af;
    --color-border: #374151;
    --color-input-bg: #374151;
    --color-input-border: #4b5563;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

html.dark body,
.dark body {
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* Background with world image */
.auth-background {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6)), url('/images/background-world.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

html.dark .auth-background,
.dark .auth-background {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8)), url('/images/background-world.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* Container and Layout */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}

.auth-content {
    width: 100%;
    max-width: 28rem;
}

.auth-card {
    background-color: var(--color-bg-card);
    border-radius: 0.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    padding: 2rem;
    transition: background-color 0.3s ease;
}

html.dark .auth-card,
.dark .auth-card {
    background-color: var(--color-bg-card);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* Logo */
.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo img {
    height: 10rem;
    width: auto;
}

/* Typography */
.auth-title {
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-input {
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-input-border);
    color: var(--color-text);
    font-size: 0.875rem;
    border-radius: 0.5rem;
    display: block;
    width: 100%;
    padding: 0.625rem;
    transition: all 0.15s ease;
}

html.dark .form-input,
.dark .form-input {
    background-color: var(--color-input-bg);
    border-color: var(--color-input-border);
    color: var(--color-text);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-primary {
    color: var(--color-white);
    background-color: var(--color-blue-600);
}

.btn-primary:hover {
    background-color: var(--color-blue-700);
}

.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.3);
}

/* Social Buttons */
.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    background-color: var(--color-bg-card);
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 0.75rem;
    width: 100%;
}

.social-btn:hover {
    background-color: var(--color-gray-50);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

html.dark .social-btn:hover,
.dark .social-btn:hover {
    background-color: var(--color-gray-600);
}

.social-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-primary);
}

.social-icon {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--color-border);
}

.divider span {
    padding: 0 1rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

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

.alert-error {
    color: var(--color-red-800);
    background-color: var(--color-red-50);
}

html.dark .alert-error,
.dark .alert-error {
    color: var(--color-red-400);
    background-color: rgba(127, 29, 29, 0.2);
}

.alert-success {
    color: var(--color-green-800);
    background-color: var(--color-green-50);
}

html.dark .alert-success,
.dark .alert-success {
    color: var(--color-green-400);
    background-color: rgba(22, 101, 52, 0.2);
}

.alert-info {
    color: var(--color-blue-800);
    background-color: var(--color-blue-50);
    border: 1px solid var(--color-blue-200);
}

html.dark .alert-info,
.dark .alert-info {
    color: var(--color-blue-300);
    background-color: rgba(30, 58, 138, 0.2);
    border-color: var(--color-blue-800);
}

.alert-warning {
    color: var(--color-amber-800);
    background-color: var(--color-amber-50);
    border: 1px solid var(--color-amber-200);
}

html.dark .alert-warning,
.dark .alert-warning {
    color: var(--color-amber-400);
    background-color: rgba(146, 64, 14, 0.2);
    border-color: var(--color-amber-800);
}

/* Info Box */
.info-box {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
}

/* Border */
.border-top {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
}

/* Text Styles */
.text-center {
    text-align: center;
}

.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

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

.text-primary {
    color: var(--color-primary);
}

.text-primary:hover {
    text-decoration: underline;
}

.font-medium {
    font-weight: 500;
}

.font-bold {
    font-weight: 700;
}

/* Spacing */
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-6 { margin-top: 1.5rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.ml-3 { margin-left: 0.75rem; }

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 50;
    color: var(--color-text-muted);
    background-color: var(--color-bg-card);
    padding: 0.625rem;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--color-gray-100);
    transform: scale(1.1);
}

html.dark .theme-toggle:hover,
.dark .theme-toggle:hover {
    background-color: var(--color-gray-700);
}

.theme-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(107, 114, 128, 0.2);
}

html.dark .theme-toggle,
.dark .theme-toggle {
    background-color: var(--color-gray-800);
    color: var(--color-gray-400);
}

.hidden {
    display: none;
}

/* Icon Styles */
.icon {
    width: 1.25rem;
    height: 1.25rem;
    display: inline-block;
    vertical-align: middle;
}

.icon-sm {
    width: 1rem;
    height: 1rem;
}

/* Link Styles */
a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 640px) {
    .auth-container {
        padding: 1.5rem 1rem;
    }

    .auth-card {
        padding: 1.5rem;
    }

    .auth-logo img {
        height: 8rem;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    transition: background-color 0.3s ease;
}

html.dark .modal,
.dark .modal {
    background-color: rgba(0, 0, 0, 0.75);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--color-bg-card);
    margin: auto;
    padding: 0;
    border-radius: 0.5rem;
    width: 90%;
    max-width: 42rem;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s ease;
}

html.dark .modal-content,
.dark .modal-content {
    background-color: var(--color-bg-card);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-bg-card);
    border-radius: 0.5rem 0.5rem 0 0;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    transition: color 0.3s ease;
}

.modal-body {
    padding: 1.5rem;
    background-color: var(--color-bg-card);
    transition: background-color 0.3s ease;
}

.modal-body iframe {
    background-color: #ffffff !important;
    border-radius: 0.25rem;
    border: 1px solid var(--color-border);
    transition: border-color 0.3s ease;
}

html.dark .modal-body iframe,
.dark .modal-body iframe {
    background-color: #ffffff !important;
    border-color: var(--color-gray-600);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease, transform 0.2s ease;
    border-radius: 0.25rem;
}

.modal-close:hover {
    color: var(--color-text);
    background-color: var(--color-gray-100);
    transform: scale(1.1);
}

html.dark .modal-close,
.dark .modal-close {
    color: var(--color-text-muted);
}

html.dark .modal-close:hover,
.dark .modal-close:hover {
    color: var(--color-text);
    background-color: var(--color-gray-700);
}

/* Flex Utilities */
.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.justify-center {
    justify-content: center;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

.flex-1 {
    flex: 1;
}

.space-y-2 > * + * {
    margin-top: 0.5rem;
}

.space-y-4 > * + * {
    margin-top: 1rem;
}

/* Checkbox */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
    cursor: pointer;
}

.checkbox-wrapper label {
    font-size: 0.875rem;
    color: var(--color-text);
    cursor: pointer;
    margin: 0;
}

/* Required marker */
.required {
    color: var(--color-red-600);
}