/* Base Styles for Quantfolio */

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

html {
    font-size: 16px;
    line-height: 1.6;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #334155;
    background-color: #f8fafc;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
    color: #64748b;
}

a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #2563eb;
}

/* Lists */
ul, ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.25rem;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Form Elements */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* Dialog Reset */
dialog {
    border: none;
    padding: 0;
    background: transparent;
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

/* Focus Styles */
:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Selection Styles */
::selection {
    background-color: #3b82f6;
    color: white;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Firefox Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Grid System */
.grid {
    display: grid;
    gap: 1rem;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

.flex-row {
    flex-direction: row;
}

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

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

.justify-between {
    justify-content: space-between;
}

.justify-around {
    justify-content: space-around;
}

/* Spacing */
.space-x-2 > * + * {
    margin-left: 0.5rem;
}

.space-x-4 > * + * {
    margin-left: 1rem;
}

.space-x-6 > * + * {
    margin-left: 1.5rem;
}

.space-x-8 > * + * {
    margin-left: 2rem;
}

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

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

.space-y-6 > * + * {
    margin-top: 1.5rem;
}

.space-y-8 > * + * {
    margin-top: 2rem;
}

/* Responsive Design */
@media (min-width: 640px) {
    .sm\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .sm\:flex-row {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .md\:flex-row {
        flex-direction: row;
    }
    
    .md\:text-left {
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* Print Styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    a, a:visited {
        text-decoration: underline;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
    
    abbr[title]:after {
        content: " (" attr(title) ")";
    }
    
    .no-print {
        display: none !important;
    }
    
    .page-break {
        page-break-before: always;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --text-color: #000000;
        --bg-color: #ffffff;
        --border-color: #000000;
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #e2e8f0;
        --bg-color: #0f172a;
        --border-color: #334155;
    }
    
    body {
        background-color: #0f172a;
        color: #e2e8f0;
    }
    
    h1, h2, h3, h4, h5, h6 {
        color: #f1f5f9;
    }
    
    p {
        color: #cbd5e1;
    }
    
    a {
        color: #60a5fa;
    }
    
    a:hover {
        color: #93c5fd;
    }
}