@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --overlay-bg: rgba(0, 0, 0, 0.75);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-tertiary: rgba(255, 255, 255, 0.65);
    --glass-bg: rgba(20, 20, 20, 0.4);
    --glass-bg-strong: rgba(10, 10, 10, 0.85);
    --glass-border: rgba(255, 255, 255, 0.08);
    --card-hover: rgba(30, 30, 30, 0.5);
    --chart-opacity: 0.2;
}

[data-theme="light"] {
    --overlay-bg: rgba(255, 255, 255, 0.82);
    --text-primary: #1a1a1a;
    --text-secondary: rgba(0, 0, 0, 0.55);
    --text-tertiary: rgba(0, 0, 0, 0.35);
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-bg-strong: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.08);
    --card-hover: rgba(255, 255, 255, 0.8);
    --chart-opacity: 0.15;
}

* {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.dynamic-bg {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.theme-overlay {
    background: var(--overlay-bg);
    transition: background 0.5s ease;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.glass-strong {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

.glow-text {
    color: var(--text-primary);
    font-weight: 800;
    letter-spacing: 0.02em;
    text-rendering: optimizeLegibility;
    text-shadow: 0 0 20px rgba(128, 128, 128, 0.3);
}

[data-theme="light"] .glow-text {
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.text-theme-primary { 
    color: var(--text-primary); 
}
.text-theme-secondary { 
    color: var(--text-secondary); 
}
.text-theme-tertiary { 
    color: var(--text-tertiary); 
}
.bg-theme-glass { 
    background: var(--glass-bg); 
}
.border-theme-glass { 
    border-color: var(--glass-border); 
}

.api-card {
    transform: translateZ(0);
    transition: all 0.2s ease-out;
    will-change: transform;
    color: var(--text-primary);
}

.api-card:hover {
    transform: translateY(-2px) translateZ(0);
    background: var(--card-hover);
    border-color: var(--glass-border);
}

.stat-value {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.theme-icon {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.theme-icon.hidden {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
    position: absolute;
}

.theme-icon.active {
    opacity: 1;
    transform: rotate(0) scale(1);
    position: relative;
}

.mobile-menu {
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.3s;
    visibility: hidden;
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
}

.mobile-menu.visible {
    visibility: visible;
    opacity: 1;
    transform: scale(1) translateY(0);
}

.menu-arrow {
    position: absolute;
    top: -6px;
    right: 12px;
    width: 12px;
    height: 12px;
    background: var(--glass-bg-strong);
    border-left: 1px solid var(--glass-border);
    border-top: 1px solid var(--glass-border);
    transform: rotate(45deg);
}

::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 2px;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

pre {
    background: rgba(0, 0, 0, 0.4) !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] pre {
    background: rgba(0, 0, 0, 0.05) !important;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.prose {
    color: var(--text-secondary);
}

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

a {
    color: inherit;
}

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

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

input::placeholder {
    color: var(--text-tertiary);
}