@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;600;700&family=Roboto:wght@300;400;500;700&display=swap');

:root {
    /* Military Tactical Colors */
    --bg-main: #14161a;
    --bg-panel: #1e2126;
    --bg-panel-hover: #262a30;
    --border-color: #31363e;
    
    /* Bulgarian Identity & Accents */
    --accent-red: #d62612;
    --accent-green: #00966E;
    --accent-white: #ffffff;
    --military-green: #4f5a43;
    --steel-blue: #2c3e50;
    
    /* Typography */
    --text-main: #d1d5db;
    --text-muted: #848d9a;
    --text-highlight: #f3f4f6;
    
    /* Fonts */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Roboto', sans-serif;

    /* Metrics */
    --radius: 2px; /* Sharp corners for tactical look */
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;
    
    /* Shadows */
    --shadow-panel: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-highlight);
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--text-highlight);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-red);
}

/* Navbar */
.navbar {
    background-color: var(--bg-panel);
    border-bottom: 2px solid var(--border-color);
    position: relative;
    z-index: 100;
}

/* Bulgarian Flag Accent Strip */
.navbar::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, white 33%, var(--accent-green) 33%, var(--accent-green) 66%, var(--accent-red) 66%);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.brand-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--accent-white);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 50%; /* The logo is circular */
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--accent-green);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Tactical Panels (Replaces Cards) */
.panel {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--military-green);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-panel);
    position: relative;
}

.panel-title {
    font-size: 1.2rem;
    color: var(--accent-white);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--military-green);
    color: #fff;
    border: 1px solid #637054;
}

.btn-primary:hover {
    background-color: #5b684e;
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-highlight);
}

.btn-outline:hover {
    background-color: var(--bg-panel-hover);
    border-color: var(--text-muted);
}

.btn-danger {
    background-color: var(--accent-red);
    color: #fff;
}

.btn-danger:hover {
    background-color: #a81c0c;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Hero Section */
.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    background-color: #101215; /* Even darker for hero */
    position: relative;
    border-bottom: 1px solid var(--border-color);
    background-image: 
        linear-gradient(rgba(20, 22, 26, 0.8), rgba(20, 22, 26, 0.9)),
        repeating-linear-gradient(45deg, #181a1f 0, #181a1f 2px, transparent 2px, transparent 8px);
}

.hero-content {
    max-width: 800px;
    padding: var(--spacing-xl) 0;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--accent-white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-family: var(--font-body);
    margin-bottom: var(--spacing-lg);
    border-left: 3px solid var(--accent-red);
    padding-left: var(--spacing-md);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    background-color: #111316;
    border: 1px solid var(--border-color);
    color: var(--text-highlight);
    font-family: var(--font-body);
    border-radius: var(--radius);
    box-shadow: var(--shadow-inner);
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--military-green);
}

select.form-control {
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23848d9a%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 12px top 50%;
    background-size: 12px auto;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-sm);
}

.table th, .table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    color: var(--text-muted);
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    background-color: rgba(0,0,0,0.2);
}

.table tbody tr:hover {
    background-color: var(--bg-panel-hover);
}

/* Badges */
.badge {
    padding: 4px 8px;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.badge-success { background-color: rgba(0, 150, 110, 0.15); color: var(--accent-green); border: 1px solid var(--accent-green); }
.badge-warning { background-color: rgba(255, 193, 7, 0.15); color: #ffc107; border: 1px solid #ffc107; }
.badge-danger { background-color: rgba(214, 38, 18, 0.15); color: var(--accent-red); border: 1px solid var(--accent-red); }
.badge-info { background-color: rgba(44, 62, 80, 0.3); color: #60a5fa; border: 1px solid #4b5563; }

/* Dashboard Layout */
.dashboard-layout {
    display: flex;
    min-height: calc(100vh - 60px);
}

.sidebar {
    width: 250px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li a {
    display: block;
    padding: 12px var(--spacing-md);
    color: var(--text-muted);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.sidebar-nav li a:hover, .sidebar-nav li a.active {
    background-color: var(--bg-panel-hover);
    color: var(--text-highlight);
    border-left-color: var(--military-green);
}

.dashboard-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: var(--radius);
    color: #fff;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success { background-color: #2e3b26; border-left: 4px solid var(--accent-green); }
.toast-error { background-color: #4a1915; border-left: 4px solid var(--accent-red); }
.toast-info { background-color: #1e293b; border-left: 4px solid #60a5fa; }

/* Grid Layouts */
.grid { display: grid; gap: var(--spacing-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Footer */
.footer {
    background-color: #0d0f12;
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
    color: var(--accent-white);
    margin-bottom: 5px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Utilities */
.text-center { text-align: center; }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--bg-panel);
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }

    .hero h1 { font-size: 2.2rem; }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .dashboard-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}