/* static/css/main.css */
/* Modern CSS Reset and Variables */
:root {
    /* Enhanced Color Palette */
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;

    /* Neutral Colors */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Background Gradients */
    --bg-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* Base Styles */
body {
    font-family: var(--font-family-primary);
    background: var(--bg-gradient-primary);
    background-attachment: fixed;
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    z-index: -1;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
nav {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-lg);
}

nav .brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fef3c7, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav .nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

nav a.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

nav a.nav-link:hover {
    color: white;
    background: rgba(99, 102, 241, 0.2);
    transform: translateY(-1px);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: white;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

label {
    display: block;
    font-weight: 500;
    color: white;
    margin-bottom: var(--spacing-sm);
}

p {
    color: rgba(255,255,255,0.8);
}

strong {
    color: white;
    font-weight: 600;
}

small, .form-text {
    color: rgba(255,255,255,0.8);
    margin-top: 0.25rem;
    display: block;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}
.shape-1 {
    width: 400px; height: 400px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    top: -200px; left: -200px; animation-delay: 0s;
}
.shape-2 {
    width: 300px; height: 300px;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    top: 50%; right: -150px; animation-delay: -5s;
}
.shape-3 {
    width: 250px; height: 250px;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    bottom: -100px; left: 50%; animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(20px); }
}
.fade-in { animation: fadeIn var(--transition-normal) forwards; }
.fade-out { animation: fadeOut var(--transition-slow) forwards; }


/* Utility Classes */
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.flex-column { flex-direction: column; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }
.w-100 { width: 100%; }
.text-center { text-align: center; }
.text-white { color: white; }
.fw-bold { font-weight: bold; }
.opacity-80 { opacity: 0.8; }
.m-0 { margin: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.page-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.page-header-title { color: white; margin-bottom: 0.5rem; }
.page-header-subtitle { color: rgba(255,255,255,0.8); font-size: 1.1rem; }
.info-box { text-align: center; color: white; }
.info-box-number { font-size: 2rem; font-weight: bold; }
.info-box-label { opacity: 0.8; }
.icon { margin-right: var(--spacing-sm); }
.text-accent { color: var(--accent-color); }
.text-warning { color: var(--warning-color); }
.text-gray { color: var(--gray-500); }
.d-none { display: none; }
.d-block { display: block; }
.d-grid { display: grid; }
.show-element { display: block; }
.hide-element { display: none; }
.grid-auto-fit { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.form-check-label { display: flex; align-items: center; gap: 0.5rem; color: white; }
.form-check-input { width: auto; margin: 0; }
.info-list { margin: 0; padding-left: 1.5rem; opacity: 0.9; }

.doc-title-header { width: calc(100vw - 650px); max-width: 550px; }

form.form-button > button {
    height: 100%;
}

/* Responsive */
@media (max-width: 768px) {
    .container { margin: var(--spacing-md); padding: 0; }
    nav { flex-direction: column; gap: var(--spacing-md); border-radius: 0; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
    #documents-tbody .btn .text { display: none; }
    #documents-tbody .btn .icon { margin-right: 0; }
    .doc-title-header { width: calc(100vw - 380px); max-width: 820px; }
}