:root {
    --bg-deep: #0a0a0c;
    --panel-bg: #141417;
    --text-main: #e0e0e0;
    --text-muted: #888890;
    --accent-blue: #4a90e2;
    --alert-red: #e74c3c;
    --border-color: #2a2a30;
    --font-ui: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-tech: 'Courier New', monospace;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: var(--font-ui);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.auth-container {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 24px;
    margin: 0 0 10px 0;
    font-weight: 600;
    letter-spacing: 1px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    background: var(--bg-deep);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 4px;
    box-sizing: border-box;
    font-family: var(--font-tech);
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--border-color);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.alert {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid transparent;
}

.alert-error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--alert-red);
    border-color: rgba(231, 76, 60, 0.3);
}

.alert-success {
    background: rgba(74, 144, 226, 0.1);
    color: var(--accent-blue);
    border-color: rgba(74, 144, 226, 0.3);
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
}

.auth-footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.auth-footer a:hover {
    color: var(--accent-blue);
}

@media (max-width: 768px) {
    .layout { padding: 15px 10px; }
    .panel { padding: 15px; margin-bottom: 15px; }
}

/* Rozbaľovací konfiguračný panel */
.settings-panel {
    background: rgba(155, 89, 182, 0.05); /* Jemný fialový nádych */
    border: 1px dashed #9b59b6;           /* Technické orámovanie */
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 30px;
    animation: slideDown 0.2s ease-out;
}

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

@media (max-width: 768px) {
    /* Rozbitie tuhej štruktúry tabuľky */
    .grid-table, .grid-table tbody, .grid-table tr, .grid-table td {
        display: block;
        width: 100%;
    }
    
    /* Skrytie klasickej hlavičky */
    .grid-table thead {
        display: none;
    }
    
    /* Vytvorenie dizajnu karty pre každý riadok */
    .grid-table tr {
        margin-bottom: 20px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        background: var(--panel-bg);
    }
    
    /* Zarovnanie buniek a vytvorenie priestoru pre nadpisy */
    .grid-table td {
        text-align: right;
        padding-left: 50%;
        position: relative;
        border-bottom: 1px solid rgba(255,255,255,0.03);
    }
    
    /* Dynamické vloženie nadpisov z atribútu data-label */
    .grid-table td::before {
        content: attr(data-label);
        position: absolute;
        left: 15px;
        width: 45%;
        text-align: left;
        font-weight: bold;
        color: var(--text-muted);
        font-size: 11px;
        text-transform: uppercase;
        top: 50%;
        transform: translateY(-50%);
    }
    
    /* Vyčistenie poslednej bunky (tlačidlo akcie) */
    .grid-table td:last-child {
        text-align: center;
        padding-left: 15px;
        border-bottom: none;
    }
    .grid-table td:last-child::before {
        display: none;
    }
}