/**
 * Base Styles
 * Reset, typography, and foundational styles
 */

/* Modern CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-body);
    background-image: 
        linear-gradient(to bottom left, rgba(225, 225, 225, 0.52), rgba(200, 200, 200, 0.774)),
        url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 920 1750' x='0px' y='0px'%3E %3Cpath style='fill: rgba(100, 100, 100, 0.15)' d='M889.72,1137.55l-2.91-0.75l-364.39,282.94l-0.7-0.9l-0.51,0.11l-94.77-451.5l-32.51-15.75l-16.73-8.11l0,0.68 l-1.46,0l0-1.39l-1.89-0.92l-112.41-54.47l-0.29,1.03l-1.41-0.37l0.37-1.31l-34.14-16.54l-98.56-47.76l-0.59,0.81l-1.16-0.88 l0.42-0.57L11.43,766.33l-0.25,0.2l-0.9-1.15l102.87-79.98l0.08-0.1l0.02,0.02l116.68-90.72l-0.18-0.34l1.3-0.66l0.05,0.09 l100.5-78.14l-0.07-0.32l0.65-0.14l42.3-32.89l-0.15-54.54l-0.59,0.29l-0.64-1.31l1.23-0.6l-0.01-4.54l-0.33-122.47l-0.99,0.18 l-0.28-1.43l1.27-0.23l-0.4-147.49l-0.87-0.16l0.28-1.43l0.58,0.1l-0.35-127.48l-0.13-0.06l0.64-1.31L489.97,76.8l0.73,0.19 l-0.04,0.14l132.63,65.11l0.33-0.45l1.16,0.88l-0.16,0.22l114.21,56.07l0.45-0.35l0.72,0.93l47.89,23.51l2.76-1.36l0.56,4.61 l-3.32-1.63L571.52,330.88L375.95,482.93l0.66,239.95l51.12,243.57l222.53,107.83l236.23,60.93l2.27-1.77 M375.8,425.34l17.25-8.47 l36.13-127.75l-53.73,9.66L375.8,425.34z M551,241.05l38.19-52.2l-123.83-22.27l-34.13,120.68l98.99-17.81L551,241.05z M532.3,269.09l151.34-27.22l37.63-29.25l-130.48-23.47L532.3,269.09z M303.38,733.9l-2.36-4.48l-44.18-83.78L182.5,747.25 l40.78,36.46l52.69,47.11L303.38,733.9z M277.18,831.91l56.95,50.93L375.69,920l-0.13-49.23l-71.19-135L277.18,831.91z M303.96,731.86l41.93-148.25l-9.74-46.39L257.8,644.33L303.96,731.86z M304.94,733.73l9.55,18.12l61.05,115.78l-0.39-144.6 l-16.9-80.53l-11.71-55.81L304.94,733.73z M375.21,211.79l0.23,85.51l54.17-9.74l34.29-121.23l-88.87-15.98L375.21,211.79z M430.78,288.83l-17.88,63.21L394.81,416l44.01-21.6l90.15-123.23L430.78,288.83z M287.76,898.62l87.99,42.64l-0.05-19.29 l-91.37-81.71l-7.59-6.78l-14.88,52.59L287.76,898.62z M174.26,843.62l86.26,41.8l15-53.03l-93.89-83.95l-53.34,72.91L174.26,843.62 z M113.18,687.22L12.71,765.33l55.69,26.99l58.56,28.38l53.58-73.24l-34.83-31.14L113.18,687.22z M230.62,595.92l-116.27,90.4 l63.02,56.36l4.03,3.61l74.67-102.08l-7.47-14.17L230.62,595.92z M331.94,517.15l-100.15,77.86l25.25,47.88l78.71-107.59l-1.71-8.14 L331.94,517.15z M333.22,516.15l2.02,9.64l1.66,7.92l34.65-47.37L333.22,516.15z M337.31,535.63l9.43,44.95l26.67-94.3 L337.31,535.63z M347.39,583.66l27.74,132.16l-0.62-228.04L347.39,583.66z M374.7,21.83l0.35,127.02l89.27,16.06l24.61-87 L374.7,21.83z M490.25,78.56l-22.26,78.7l-2.24,7.91l124.39,22.37l10.23-13.99l22.04-30.12L490.25,78.56z M623.74,144.09 l-12.29,16.8l-19.71,26.95l131.07,23.58l14.73-11.45L623.74,144.09z M739,200.67l-13.3,10.34l-0.96,0.74l58.14,10.46L739,200.67z M723.19,212.96l-25.33,19.69l-11.14,8.66l97.03-17.45L723.19,212.96z M782.89,225.5l-98.64,17.74l-107.06,83.23L782.89,225.5z M631.68,282.26l49.48-38.47l-150.1,27l-89.41,122.22l129.1-63.37L631.68,282.26z M565.06,334.05l-125.28,61.5l-45.94,62.8 l-14.96,20.44L565.06,334.05z M425.31,412.87l11.65-15.93l-42.69,20.96l-13.66,48.3l-3.58,12.67L425.31,412.87z M392.51,418.76 l-16.71,8.2l0.01,4.72l0.12,45.68L392.51,418.76z M377.21,941.96l21.37,10.36l24.14,11.7l-45.56-40.74L377.21,941.96z M377.15,921.31l34.83,31.15l12.57,11.24l-47.53-90.14L377.15,921.31z M376.63,730.07l0.38,140.33l48.29,91.59L376.63,730.07z M806.29,1197.48l75.8-58.86l-28.56,11.47l-25.6,10.28l14.96,7.25l-0.64,1.31l-16.16-7.83l-124.76,50.1l40.56,36.27L806.29,1197.48z M522.43,1146.18l58.88,111.66l52.71-21.17l64.61-25.95l-75.11-67.17L522.43,1146.18z M621.92,1142.14l-115.78-103.53l-46.8-12.07 l62.33,118.2l7.06-0.18L621.92,1142.14z M700.14,1210.12l124.19-49.87l-42.89-20.78l-155.8,4.04L700.14,1210.12z M679.7,1295.77 l61.03-47.39l-40.9-36.57l-117.85,47.32l42.09,79.82L679.7,1295.77z M522.48,1417.85l1.83-1.42l98.6-76.56l-42.28-80.19 l-84.25,33.83L522.48,1417.85z M496.08,1292.06l83.87-33.68l-59.14-112.16l-55.04,1.43L496.08,1292.06z M465.46,1146.2l54.58-1.42 l-62.61-118.74l-18.03-4.65l0.36-1.41l16.74,4.32l-27.63-52.4L465.46,1146.2z M458.42,1024.79l45.35,11.7l-74.14-66.29 L458.42,1024.79z M431.46,969.87l75.38,67.41l136.26,35.15L431.46,969.87z M649.76,1075.65l-140.54-36.25l114.83,102.68l154.53-4.01 L649.76,1075.65z M656.92,1077.5l124.84,60.5l51.97-1.35l47.7-1.24L656.92,1077.5z M784.62,1139.38l41.54,20.13l56.45-22.67 L784.62,1139.38z'/%3E %3C/svg%3E");
    background-attachment: fixed;
    background-position: center top;
    background-repeat: repeat-y;
    background-size: 100% auto;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Dark mode background adjustment */
[data-theme="dark"] body {
    background-image: 
        linear-gradient(to bottom left, rgba(15, 15, 20, 0.9), rgba(20, 20, 30, 0.95)),
        url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 920 1750' x='0px' y='0px'%3E %3Cpath style='fill: rgba(150, 150, 170, 0.08)' d='M889.72,1137.55l-2.91-0.75l-364.39,282.94l-0.7-0.9l-0.51,0.11l-94.77-451.5l-32.51-15.75l-16.73-8.11l0,0.68 l-1.46,0l0-1.39l-1.89-0.92l-112.41-54.47l-0.29,1.03l-1.41-0.37l0.37-1.31l-34.14-16.54l-98.56-47.76l-0.59,0.81l-1.16-0.88 l0.42-0.57L11.43,766.33l-0.25,0.2l-0.9-1.15l102.87-79.98l0.08-0.1l0.02,0.02l116.68-90.72l-0.18-0.34l1.3-0.66l0.05,0.09 l100.5-78.14l-0.07-0.32l0.65-0.14l42.3-32.89l-0.15-54.54l-0.59,0.29l-0.64-1.31l1.23-0.6l-0.01-4.54l-0.33-122.47l-0.99,0.18 l-0.28-1.43l1.27-0.23l-0.4-147.49l-0.87-0.16l0.28-1.43l0.58,0.1l-0.35-127.48l-0.13-0.06l0.64-1.31L489.97,76.8l0.73,0.19 l-0.04,0.14l132.63,65.11l0.33-0.45l1.16,0.88l-0.16,0.22l114.21,56.07l0.45-0.35l0.72,0.93l47.89,23.51l2.76-1.36l0.56,4.61 l-3.32-1.63L571.52,330.88L375.95,482.93l0.66,239.95l51.12,243.57l222.53,107.83l236.23,60.93l2.27-1.77 M375.8,425.34l17.25-8.47 l36.13-127.75l-53.73,9.66L375.8,425.34z M551,241.05l38.19-52.2l-123.83-22.27l-34.13,120.68l98.99-17.81L551,241.05z M532.3,269.09l151.34-27.22l37.63-29.25l-130.48-23.47L532.3,269.09z M303.38,733.9l-2.36-4.48l-44.18-83.78L182.5,747.25 l40.78,36.46l52.69,47.11L303.38,733.9z M277.18,831.91l56.95,50.93L375.69,920l-0.13-49.23l-71.19-135L277.18,831.91z M303.96,731.86l41.93-148.25l-9.74-46.39L257.8,644.33L303.96,731.86z M304.94,733.73l9.55,18.12l61.05,115.78l-0.39-144.6 l-16.9-80.53l-11.71-55.81L304.94,733.73z M375.21,211.79l0.23,85.51l54.17-9.74l34.29-121.23l-88.87-15.98L375.21,211.79z M430.78,288.83l-17.88,63.21L394.81,416l44.01-21.6l90.15-123.23L430.78,288.83z M287.76,898.62l87.99,42.64l-0.05-19.29 l-91.37-81.71l-7.59-6.78l-14.88,52.59L287.76,898.62z M174.26,843.62l86.26,41.8l15-53.03l-93.89-83.95l-53.34,72.91L174.26,843.62 z M113.18,687.22L12.71,765.33l55.69,26.99l58.56,28.38l53.58-73.24l-34.83-31.14L113.18,687.22z M230.62,595.92l-116.27,90.4 l63.02,56.36l4.03,3.61l74.67-102.08l-7.47-14.17L230.62,595.92z M331.94,517.15l-100.15,77.86l25.25,47.88l78.71-107.59l-1.71-8.14 L331.94,517.15z M333.22,516.15l2.02,9.64l1.66,7.92l34.65-47.37L333.22,516.15z M337.31,535.63l9.43,44.95l26.67-94.3 L337.31,535.63z M347.39,583.66l27.74,132.16l-0.62-228.04L347.39,583.66z M374.7,21.83l0.35,127.02l89.27,16.06l24.61-87 L374.7,21.83z M490.25,78.56l-22.26,78.7l-2.24,7.91l124.39,22.37l10.23-13.99l22.04-30.12L490.25,78.56z M623.74,144.09 l-12.29,16.8l-19.71,26.95l131.07,23.58l14.73-11.45L623.74,144.09z M739,200.67l-13.3,10.34l-0.96,0.74l58.14,10.46L739,200.67z M723.19,212.96l-25.33,19.69l-11.14,8.66l97.03-17.45L723.19,212.96z M782.89,225.5l-98.64,17.74l-107.06,83.23L782.89,225.5z M631.68,282.26l49.48-38.47l-150.1,27l-89.41,122.22l129.1-63.37L631.68,282.26z M565.06,334.05l-125.28,61.5l-45.94,62.8 l-14.96,20.44L565.06,334.05z M425.31,412.87l11.65-15.93l-42.69,20.96l-13.66,48.3l-3.58,12.67L425.31,412.87z M392.51,418.76 l-16.71,8.2l0.01,4.72l0.12,45.68L392.51,418.76z M377.21,941.96l21.37,10.36l24.14,11.7l-45.56-40.74L377.21,941.96z M377.15,921.31l34.83,31.15l12.57,11.24l-47.53-90.14L377.15,921.31z M376.63,730.07l0.38,140.33l48.29,91.59L376.63,730.07z M806.29,1197.48l75.8-58.86l-28.56,11.47l-25.6,10.28l14.96,7.25l-0.64,1.31l-16.16-7.83l-124.76,50.1l40.56,36.27L806.29,1197.48z M522.43,1146.18l58.88,111.66l52.71-21.17l64.61-25.95l-75.11-67.17L522.43,1146.18z M621.92,1142.14l-115.78-103.53l-46.8-12.07 l62.33,118.2l7.06-0.18L621.92,1142.14z M700.14,1210.12l124.19-49.87l-42.89-20.78l-155.8,4.04L700.14,1210.12z M679.7,1295.77 l61.03-47.39l-40.9-36.57l-117.85,47.32l42.09,79.82L679.7,1295.77z M522.48,1417.85l1.83-1.42l98.6-76.56l-42.28-80.19 l-84.25,33.83L522.48,1417.85z M496.08,1292.06l83.87-33.68l-59.14-112.16l-55.04,1.43L496.08,1292.06z M465.46,1146.2l54.58-1.42 l-62.61-118.74l-18.03-4.65l0.36-1.41l16.74,4.32l-27.63-52.4L465.46,1146.2z M458.42,1024.79l45.35,11.7l-74.14-66.29 L458.42,1024.79z M431.46,969.87l75.38,67.41l136.26,35.15L431.46,969.87z M649.76,1075.65l-140.54-36.25l114.83,102.68l154.53-4.01 L649.76,1075.65z M656.92,1077.5l124.84,60.5l51.97-1.35l47.7-1.24L656.92,1077.5z M784.62,1139.38l41.54,20.13l56.45-22.67 L784.62,1139.38z'/%3E %3C/svg%3E");
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-mono);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
}

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

a:hover {
    color: var(--color-primary-dark);
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

strong, b {
    font-weight: var(--font-weight-semibold);
}

em, i {
    font-style: italic;
}

/* Lists */
ul, ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

li {
    margin-bottom: var(--space-sm);
}

/* Code */
code {
    font-family: var(--font-family-mono);
    font-size: 0.9em;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--bg-surface-alt);
    border-radius: var(--radius-sm);
}

pre {
    font-family: var(--font-family-mono);
    padding: var(--space-md);
    background-color: var(--bg-surface-alt);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-lg);
}

pre code {
    padding: 0;
    background: none;
}

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: var(--text-on-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
    border: 3px solid var(--bg-body);
}

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

/* Focus styles for accessibility */
:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* 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;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .sidebar,
    .mobile-header,
    .theme-toggle,
    .theme-toggle-mobile {
        display: none !important;
    }
    
    .main-content {
        padding-left: 0 !important;
    }
}