/* NÁHRADA ZÁKLADNÍCH STYLŮ PRO LEPŠÍ DESIGN (INSPROVÁNO SPARTA1893.CZ) */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700;800;900&family=Oswald:wght@600;700&display=swap');

:root {
    --sparta-red: #AC1F2D;
    --sparta-red-dark: #8a1723;
    --sparta-gold: #C5A059;
    --sparta-gold-light: #eabf12;
    --sparta-dark: #1a1a2e;
    --sparta-bg: #f4f5f7;
    --text-color: #333333;
}

body {
    background-color: var(--sparta-bg);
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* HEADER */
.site-header {
    background-color: var(--sparta-dark);
    border-bottom: 4px solid var(--sparta-red);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
    font-family: 'Oswald', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.site-logo img {
    height: 50px;
    margin-right: 15px;
    border-radius: 4px;
}

/* NAVIGATION */
.main-nav {
    display: flex;
    gap: 5px;
}

.nav-item {
    background: transparent;
    border: none;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    padding: 12px 15px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-item:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--sparta-gold);
}

.nav-item.active {
    background-color: var(--sparta-red);
    color: white;
}

/* HERO BANNER */
.hero-banner {
    background: linear-gradient(135deg, var(--sparta-dark) 0%, #000 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.hero-banner h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 3rem;
    margin: 0 0 15px 0;
    color: var(--sparta-gold);
    text-transform: uppercase;
}

.hero-banner p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    color: #ccc;
    line-height: 1.6;
}

/* MAIN CONTAINER */
.main-content {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* CARD / WIDGET STYLES */
.widget-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-bottom: 30px;
    border: 1px solid #eaeaea;
}

h2.section-title {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    color: var(--sparta-dark);
    border-left: 5px solid var(--sparta-red);
    padding-left: 15px;
    margin-bottom: 30px;
    text-transform: uppercase;
}

/* DASHBOARD GRID */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.stat-box {
    background: var(--sparta-dark);
    color: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border-top: 4px solid var(--sparta-gold);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.stat-box:hover {
    transform: translateY(-5px);
}

.stat-box h4 { 
    margin: 0 0 10px 0; 
    color: #ccc; 
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-box .val { 
    font-size: 2.5rem; 
    font-weight: 900; 
    color: var(--sparta-gold-light); 
    font-family: 'Oswald', sans-serif;
}

/* OVERRIDING SPARTA TABLES TO FIT LIGHT THEME WHERE NEEDED */
.table-responsive {
    background: white !important;
    border: 1px solid #eee !important;
}

.sparta-table th {
    background: var(--sparta-red) !important;
    color: white !important;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.sparta-table td {
    color: var(--text-color) !important;
    border-bottom: 1px solid #f0f0f0 !important;
}

.sparta-table tr:hover td {
    background-color: #fafafa !important;
}

/* FOOTER */
.site-footer {
    background-color: var(--sparta-dark);
    color: #fff;
    padding: 40px 20px;
    text-align: center;
    margin-top: 60px;
    border-top: 4px solid var(--sparta-red);
}

.site-footer p {
    margin: 0;
    color: #aaa;
    font-size: 0.9rem;
}