/* * assets/css/grid_style.css 
 * Moderný, elegantný dizajn pre Grid App
 */

:root {
    /* Paleta farieb */
    --header-bg: #ffffff;
    --body-bg: #f8fafc;
    --sidebar-bg: #ffffff;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --primary-color: #2563eb;      /* Sýta modrá */
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    
    --border-color: #e2e8f0;
    
    /* Efekty */
    --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);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
    
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Premenné pre modálne okná (Svetlá téma default) */
    --history-item-bg-light: var(--primary-light);
    --history-item-bg-delete: #fef2f2; /* Svetloružová */
    --history-item-pre-bg: #fef2f2;     /* Pre <pre> tag v histórii */
}

/* Tmavá téma */
[data-theme="dark"] {
    --header-bg: #1e293b;
    --body-bg: #0f172a;
    --sidebar-bg: #1e293b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --border-color: #334155;
    --primary-light: #1e3a8a;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    
    /* ÚPRAVA PRE TMAVÚ TÉMU (pre modálne okná) */
    --history-item-bg-light: #1f2937; /* Tmavomodré pozadie pre UPDATE */
    --history-item-bg-delete: #450a0a; /* Tmavé pozadie pre DELETE */
    --history-item-pre-bg: #111827; /* Tmavšie pozadie pre <pre> tag */
}


* { box-sizing: border-box; }

/* OPRAVA POSUVNÍKA: Nastavenie height na 100% a skrytie overflow na html/body */
html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden; /* Toto odstráni vonkajší posuvník prehliadača */
    font-family: var(--font-family);
    background-color: var(--body-bg);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

/* --- LAYOUT --- */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100%; /* Roztiahne kontajner na celú výšku okna */
    width: 100%;
}

/* --- HLAVIČKA --- */
.main-nav {
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    box-shadow: var(--shadow-sm);
    z-index: 50;
    flex-shrink: 0; /* Hlavička sa nesmie zmenšovať */
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.25rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), #60a5fa);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
}

/* Menu Modulov (Pill Shape) */
.nav-links {
    display: flex;
    gap: 5px;
    background: var(--body-bg);
    padding: 5px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
}

.nav-btn {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.nav-btn:hover { color: var(--text-main); background: rgba(0,0,0,0.05); }
.nav-btn.active {
    background: var(--header-bg);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

/* Užívateľská časť */
.nav-right { display: flex; align-items: center; gap: 20px; }

.icon-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-full);
    transition: color 0.2s;
}
.icon-btn:hover { color: var(--primary-color); background: var(--primary-light); }

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 20px;
    border-left: 1px solid var(--border-color);
}

.user-info { text-align: right; line-height: 1.2; }
.user-name { display: block; font-weight: 600; font-size: 0.9rem; }
.user-role { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; }

.user-avatar {
    width: 38px;
    height: 38px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    border: 2px solid var(--header-bg);
    box-shadow: 0 0 0 1px var(--border-color);
}

/* --- HLAVNÝ OBSAH --- */
.content-wrapper {
    flex: 1; /* Vyplní zvyšok výšky */
    overflow-y: auto; /* Zapne rolovanie len pre obsah */
    overflow-x: hidden;
    padding: 2rem;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    -webkit-overflow-scrolling: touch;
    
    /* SKRYTIE POSUVNÍKA (ale rolovanie funguje) */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none;  /* IE 10+ */
}

/* Skrytie posuvníka pre Chrome, Safari, Opera */
.content-wrapper::-webkit-scrollbar { 
    display: none; 
}

h2 { font-size: 1.5rem; margin-bottom: 1.5rem; color: var(--text-main); font-weight: 700; }

/* --- FORMULÁRE --- */
.grid-form {
    display: grid;
    /* Desktop: responzívne stĺpce */
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    background: var(--header-bg);
    padding: 25px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Vstupy */
input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--body-bg);
    color: var(--text-main);
    font-size: 0.95rem;
    transition: all 0.2s;
    min-height: 45px; /* Touch friendly */
    font-family: inherit;
}

textarea {
    resize: vertical;
    min-height: 100px; /* Väčšia výška pre textareas */
    line-height: 1.5;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--header-bg);
}

/* Tlačidlá */
.btn-large {
    grid-column: 1 / -1;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: background 0.2s;
    box-shadow: var(--shadow-md);
}
.btn-large:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-large:active { transform: translateY(0); }

/* --- TABUĽKY --- */
.data-table-wrapper {
    background: var(--header-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow-x: auto;
    margin-bottom: 20px; /* Odstup od spodku */
    
    /* Tiež skryjeme posuvník tabuľky ak by vadil */
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.data-table-wrapper::-webkit-scrollbar { display: none; }

.data-table { width: 100%; border-collapse: collapse; min-width: 900px; }
.data-table th {
    background: var(--body-bg);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.data-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover { background: var(--primary-light); }


/* --- NOVÉ: ŠTÝLY PRE ARCHÍV HISTÓRIE --- */

.history-modal-content {
    background-color: var(--header-bg); /* Použije sa hlavičková farba */
    border: 1px solid var(--border-color);
    margin: 5% auto; /* Centrum + malý odstup zhora */
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.history-item {
    border: 1px solid var(--border-color); 
    padding: 15px; 
    margin-bottom: 15px; 
    border-radius: var(--radius-md); 
}

.history-item.delete {
    border-left: 4px solid var(--danger-color);
    background: var(--history-item-bg-delete); 
}
.history-item.update {
    border-left: 4px solid var(--primary-color);
    background: var(--history-item-bg-light); 
}

.history-details pre {
    background: var(--history-item-pre-bg) !important; 
    color: var(--text-main) !important;
}

/* NOVÉ: ČERVENÁ IKONA PRE ZMENENÉ ZÁZNAMY */
.history-icon-changed {
    color: var(--danger-color) !important;
}

/* --- LOGIN PAGE --- */
body.login-page {
    overflow-y: auto; /* Login potrebuje scroll ak je malá obrazovka */
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    background: var(--header-bg);
    width: 100%;
    max-width: 400px;
    padding: 40px;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

/* --- RESPONZIVITA (MOBIL) --- */
@media (max-width: 768px) {
    .main-nav { padding: 0 1rem; height: 60px; }
    .nav-links span, .user-info { display: none; }
    .user-profile { padding-left: 10px; border: none; }
    .content-wrapper { padding: 1rem; }
    
    /* Vynútenie jedného stĺpca na mobile pre formulár */
    .grid-form { 
        grid-template-columns: 1fr !important; 
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    
    .form-group {
        width: 100%;
    }
    
    /* Väčšie textové polia na mobile */
    textarea {
        min-height: 120px !important;
    }
    
    /* Úprava filtra pre mobil */
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-item { width: 100%; }
    
    /* Tlačidlá pod sebou */
    .actions-bar {
        flex-direction: column;
    }
    .actions-bar a, .actions-bar button {
        width: 100%;
        margin-bottom: 5px;
    }
}