:root {
    --color-primary: #0071e3;
    --color-secondary: #34c759;
    --color-danger: #ff3b30;
    --color-warning: #ffcc00;
    
    --color-dark-100: #86868b;
    --color-dark-200: #636366;
    --color-dark-300: #48484a;
    --color-dark-400: #3a3a3c;
    --color-dark-500: #2c2c2e;
    --color-dark-600: #1c1c1e;
    --color-dark-700: #111111;
    --color-dark-800: #000000;
    
    --font-inter: 'Inter', system-ui, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-inter);
    background-color: var(--color-dark-800);
    color: white;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes slideUp {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.text-gradient {
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-blur {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: all 0.3s ease;
}

header.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

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

a {
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

input, textarea, select {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--color-dark-700);
    border: 1px solid var(--color-dark-500);
    border-radius: 0.375rem;
    color: white;
    font-family: var(--font-inter);
    transition: all 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-dark-500);
}

tr:hover {
    background-color: rgba(0, 0, 0, 0.5);
}

.shadow-primary {
    box-shadow: 0 4px 14px rgba(0, 113, 227, 0.2);
}

.shadow-lg {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

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

.border-dark {
    border-color: var(--color-dark-500);
}

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

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}


.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1rem;
    background-color: var(--color-dark-700);
    color: white;
    font-size: 0.875rem;
    border-radius: 0.375rem;
    white-space: nowrap;
    margin-bottom: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-dark-700);
}

::-webkit-scrollbar-thumb {
    background: var(--color-dark-500);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-dark-400);
}

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

@media print {
    header, footer {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
}

@media (max-width: 767px) {
    video {
        max-height: 400px;
        object-fit: cover;
    }
    
    h1, h2, h3 {
        line-height: 1.3;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .grid {
        gap: 1.5rem;
    }
}

@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
}

@media (max-width: 374px) {
    h2 {
        font-size: 1.75rem !important;
    }
    
    .px-10 {
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }
}

@media (max-width: 896px) and (orientation: landscape) {
    .py-20 {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }
    
    video {
        max-height: 300px;
    }
}