/* === BASE RESET === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Remove focus outline globally */
*:focus {
    outline: none;
}

html, body {
    height: 100%;
    font-family: var(--font-family);
    font-size: 16px;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--text-bright);
}

/* === SCROLLBAR === */
/* Custom scrollbar for dark theme */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: var(--radius-md);
    border: 2px solid var(--bg-primary);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

::-webkit-scrollbar-thumb:active {
    background: var(--accent-primary);
}

/* === UTILITY GRID SYSTEM === */
/* Grid Container */
.grid {
    display: grid;
    margin-top: var(--spacing-xl);
}

/* No top margin for first grid in a container */
.grid:first-child {
    margin-top: 0;
}

/* Grid children need min-width: 0 to allow shrinking below intrinsic size */
.grid > * {
    min-width: 0;
}

/* Grid Columns - Fixed */
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* Grid Auto-Fit (responsive, items shrink to minmax) */
.grid-auto-fit-xs { grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); }
.grid-auto-fit-sm { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.grid-auto-fit-md { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid-auto-fit-lg { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-auto-fit-xl { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* Grid Auto-Fill (responsive, creates empty columns if space available) */
.grid-auto-fill-xs { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
.grid-auto-fill-sm { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.grid-auto-fill-md { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.grid-auto-fill-lg { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.grid-auto-fill-xl { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

/* Column Span */
.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-full { grid-column: 1 / -1; }

/* Column Start */
.col-start-1 { grid-column-start: 1; }
.col-start-2 { grid-column-start: 2; }
.col-start-3 { grid-column-start: 3; }
.col-start-4 { grid-column-start: 4; }
.col-start-5 { grid-column-start: 5; }
.col-start-6 { grid-column-start: 6; }

/* === UTILITY FLEX SYSTEM === */
/* Flex Container */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

/* Justify Content */
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

/* Align Items */
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

/* Width utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.min-w-0 { min-width: 0; }
.max-w-full { max-width: 100%; }

/* === UTILITY SPACING SYSTEM === */
/* Gap (works for both grid and flex) */
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }
.gap-3xl { gap: var(--spacing-3xl); }

/* === LAYOUT === */
.layout {
    display: flex;
    min-height: 100vh;
}

/* === PAGE LAYOUT === */
.page-container {
    padding: var(--spacing-3xl);
    max-width: 1500px;
    margin: 0 auto;
    width: 100%;
    min-width: 0; /* Allow shrinking below content size */
}

/* Page Container - Size Variants */
.page-container-sm { max-width: 800px; }
.page-container-md { max-width: 1200px; }
.page-container-lg { max-width: 1800px; }
.page-container-full { max-width: none; }

/* Page Container - Padding Variants */
.page-container-no-padding { padding: 0; }
.page-container-padding-sm { padding: var(--spacing-lg); }
.page-container-padding-lg { padding: var(--spacing-4xl); }

/* Page Container - Alignment */
.page-container-left { margin-left: 0; margin-right: auto; }
.page-container-right { margin-left: auto; margin-right: 0; }

.page-desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* Page header styles moved to components/page-header.css */
/* Main content styles moved to components/sidebar.css */

/* === TYPOGRAPHY HIERARCHY === */
/* Section Headers */
.section-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-bright);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

/* First section doesn't need top margin */
section:first-of-type .section-title {
    margin-top: 0;
}

.section-desc {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.subsection-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* === COMMON PATTERNS === */
/* Smooth Scroll Behavior */
html {
    scroll-behavior: smooth;
}

section[id] {
    scroll-margin-top: var(--spacing-xl);
}

/* Stats Row (for simple stat cards) */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}




/* Badge styles moved to components/badge.css */

/* === FORMS === */
/* Form group structure: label above input */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

/* Labels (base styling for all labels in forms) */
.form-group label:not(.checkbox):not(.switch),
.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

/* Input/Select/Textarea styles moved to component CSS files */
/* (input.css, select.css, etc.) */



/* Textarea specific */
textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox & Radio component styles are in checkbox.css, switch.css */
/* No global checkbox/radio styles needed - components handle everything */

/* Table styles moved to components/table.css */


/* Badge styles moved to components/badge.css */

/* === LOADING === */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
}

/* Spinner styles moved to components/spinner.css */

/* === RESPONSIVE DESIGN === */
/* Grid responsive breakpoints */
@media (max-width: 1200px) {
    .grid-cols-4,
    .grid-cols-5,
    .grid-cols-6 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-4,
    .grid-cols-5,
    .grid-cols-6 { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .grid-cols-2,
    .grid-cols-3 { grid-template-columns: 1fr; }
}

/* Mobile layout */
@media (max-width: 768px) {
    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex; /* Use flex to center hamburger icon */
    }
    
    /* Hide sidebar by default on mobile */
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: 101;
    }
    
    /* Show sidebar when active */
    .sidebar.active {
        transform: translateX(0);
    }
    
    /* Show overlay when sidebar is active */
    .sidebar-overlay {
        display: block;
    }
    
    /* Stack page content on mobile */
    .page-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    /* Hide sticky sidebar on mobile */
    .sidebar-sticky {
        display: none;
    }
    
    /* Reduce page padding on mobile */
    .page-container {
        padding: var(--spacing-xl);
    }

    /* Page header responsive styles in components/page-header.css */
    /* Main content mobile styles in components/sidebar.css */
}

/* Tablet breakpoint */
/* === DASHBOARD LAYOUT === */
.dashboard {
    padding: var(--spacing-xl);
    max-width: 1800px;
    margin: 0 auto;
}

.dashboard h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-bright);
    margin: 0 0 var(--spacing-xl) 0;
}

/* === LOGIN PAGE === */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-2xl);
}

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

.login-logo {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-lg);
    object-fit: contain;
}

.login-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-bright);
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

.login-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.login-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-primary);
}

.oauth-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.oauth-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-secondary);
}

.login-footer {
    text-align: center;
    margin-top: var(--spacing-2xl);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.login-footer p {
    margin: 0;
}

.login-footer .footer-note {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

/* Email Sent Success Screen */
.email-sent-message {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.email-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-xl);
    line-height: 1;
}

.email-sent-message h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-bright);
    margin: 0 0 var(--spacing-2xl) 0;
}

.email-sent-to {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm) 0;
}

.email-address {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--accent-primary);
    margin: 0 0 var(--spacing-2xl) 0;
    word-break: break-all;
}

.email-instructions {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.6;
}

.email-expiry {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0 0 var(--spacing-2xl) 0;
}

.btn-link {
    background: transparent;
    border: none;
    color: var(--accent-primary);
    font-size: var(--font-size-base);
    cursor: pointer;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-link:hover {
    background: var(--bg-hover);
    color: var(--accent-bright);
}

/* Verify Page States */
.verify-loading, .verify-error, .verify-success {
    text-align: center;
    padding: 2rem;
}

.verify-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-primary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.error-icon, .success-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.verify-error h2, .verify-success h2 {
    margin-bottom: 0.5rem;
}

.verify-error p, .verify-success p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}