/*
 * Súbor: assets/css/main.css
 */

/* ---------------------------------- */
/* 1. PREMENNÉ (TÉMY a ESTETIKA)      */
/* ---------------------------------- */

/* SVETLÁ TÉMA (DEFAULT) */
:root {
    --color-bg: #f5f7fa;             
    --color-bg-secondary: #ffffff;   
    --color-text: #2c3e50;           
    --color-text-secondary: #7f8c8d; 
    --color-border: #e0e6ed;         
    --color-primary: #3498db;        
    --color-primary-text: #ffffff;   
    --color-hover: #f0f4f8;          
    
    --header-height: 60px;
    --border-radius-card: 8px;       
    --border-radius-small: 4px;      
    --shadow-subtle: 0 2px 5px rgba(0, 0, 0, 0.05); 
    --shadow-header: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* TMAVÁ TÉMA */
[data-theme="dark"] {
    --color-bg: #1c2833;
    --color-bg-secondary: #273746;
    --color-text: #ecf0f1;
    --color-text-secondary: #bdc3c7;
    --color-border: #3d566e;
    --color-primary: #3498db;        
    --color-hover: #34495e;
    --shadow-subtle: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* ---------------------------------- */
/* 2. GLOBÁLNE ŠTÝLY a TYPOGRAFIA     */
/* ---------------------------------- */

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

html {
    transition: background-color 0.2s, color 0.2s;
    font-size: 16px; 
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--color-bg);
    color: var(--color-text);
    padding-top: var(--header-height); 
    transition: background-color 0.2s;
}

h1, h2, h3 {
    margin-bottom: 1rem;
    color: var(--color-text);
    font-weight: 400;
}

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

/* ---------------------------------- */
/* 3. LAYOUT - VRCHNÉ MENU (HEADER)   */
/* ---------------------------------- */

.top-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: var(--header-height);
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-header); 
    
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.top-menu .logo {
    font-size: 1.4rem;
    font-weight: 500;
}

.main-nav {
    display: flex; /* Desktop default: Horizontal */
    height: 100%;
    margin-left: 20px;
}

.main-nav a {
    display: flex;
    align-items: center;
    padding: 0 15px;
    height: 100%;
    color: var(--color-text-secondary);
    border-bottom: 3px solid transparent; 
    transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}

.main-nav a:hover {
    color: var(--color-text);
    background-color: var(--color-hover);
    text-decoration: none;
}

.main-nav a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 500;
    background-color: var(--color-hover);
}

/* ---------------------------------- */
/* 4. LAYOUT - NÁSTROJE (TOOLBAR)     */
/* ---------------------------------- */

.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toolbar-button, #theme-switcher {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-text);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}
.toolbar-button:hover, #theme-switcher:hover {
    background-color: var(--color-hover);
    border-color: var(--color-primary);
}

.lang-switcher a {
    padding: 5px 8px;
    color: var(--color-text-secondary);
    font-weight: 500;
    border-radius: var(--border-radius-small);
}
.lang-switcher a.active {
    color: var(--color-primary);
    background-color: var(--color-hover);
    text-decoration: none;
}

/* Hamburger Tlačidlo */
#mobile-menu-toggle {
    display: none; 
    background: none;
    border: none;
    cursor: pointer;
    width: 50px; 
    height: 50px; 
    padding: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    z-index: 1002;
}

#mobile-menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
#mobile-menu-toggle.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
#mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
#mobile-menu-toggle.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }


/* ---------------------------------- */
/* 5. LAYOUT - HLAVNÝ OBSAH (MAIN)    */
/* ---------------------------------- */

main {
    padding: 20px;
    max-width: 1400px; 
    margin: 0 auto;
}

.module-content {
    background-color: var(--color-bg-secondary);
    padding: 25px;
    border-radius: var(--border-radius-card);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-subtle); 
}

/* ---------------------------------- */
/* 6. ZÁLOŽKY (TABS)                  */
/* ---------------------------------- */

.tab-menu {
    display: flex;
    flex-wrap: wrap; 
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 20px;
    padding-bottom: 0px;
}

.tab-menu a {
    padding: 10px 18px;
    color: var(--color-text-secondary);
    font-weight: 500;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background-color 0.2s;
    border-radius: var(--border-radius-small) var(--border-radius-small) 0 0;
    margin-bottom: -2px; 
}

.tab-menu a:hover {
    color: var(--color-text);
    background-color: var(--color-hover);
    text-decoration: none;
}

.tab-menu a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background-color: var(--color-bg-secondary);
    font-weight: 600;
}

/* ---------------------------------- */
/* 7. FORMULÁRE a TABUĽKY             */
/* ---------------------------------- */

.form-group input, .form-group select, textarea {
    border-radius: var(--border-radius-small);
    border: 1px solid var(--color-border);
    padding: 10px 12px;
    background-color: var(--color-bg-secondary);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

.form-group input:focus, .form-group select:focus, textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2); 
    outline: none;
}

/* Tabuľky - Vylepšenie Elegancie a Konzistentnosti */
.table-container {
    width: 100%;
    overflow-x: auto;
    box-shadow: var(--shadow-subtle); 
    border-radius: var(--border-radius-card); 
    margin-bottom: 20px;
}

table {
    width: 100%;
    border: none; 
    border-radius: var(--border-radius-card);
    overflow: hidden;
    border-collapse: separate;
    border-spacing: 0;
}

th, td {
    padding: 12px 15px; 
    border-bottom: 1px solid var(--color-border);
}

th {
    background-color: var(--color-hover); 
    font-weight: 600; 
    text-align: left;
    color: var(--color-text-secondary); 
    white-space: nowrap;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

tr:hover td {
    background-color: var(--color-hover);
    filter: brightness(1.05); 
}
tr:last-child td {
    border-bottom: none;
}

/* Tlačidlá */
.button-primary, .button-secondary, .button-danger {
    border-radius: var(--border-radius-small);
    padding: 10px 18px;
    font-weight: 500;
}

/* ----------------------------------------------------------- */
/* NOVÉ ŠTÝLY PRE MODUL VIRTUALM (Kontrola Záloh a Statusy)    */
/* ----------------------------------------------------------- */

/* Vizuálny Status VM/Node/Datastore */
.vm-status-running { color: #27ae60; font-weight: bold; }
.vm-status-stopped { color: #c0392b; font-weight: bold; }
.vm-status-unknown { color: #f39c12; font-style: italic; }

.vm-status-running, .vm-status-stopped, .vm-status-unknown { 
    display: inline-flex; 
    align-items: center; 
    gap: 5px; 
    white-space: nowrap; 
}

/* Zálohovací Statusy */
.backup-status-crit { color: #e74c3c; font-weight: bold; } /* Červená */
.backup-status-warn { color: #f1c40f; font-weight: bold; } /* Oranžová/Žltá */
.backup-status-ok { color: #27ae60; font-weight: bold; } /* Zelená */

/* Riadok s chýbajúcou zálohou */
.backup-row-missing { 
    background-color: color-mix(in srgb, var(--color-bg), var(--color-bg-secondary) 50%); 
    border-left: 5px solid #e74c3c; 
}
.backup-row-missing:hover {
    background-color: var(--color-hover);
}

/* Badge pre Zálohovací Job */
.badge-job {
    background-color: #8e44ad; /* Fialová */
    color: var(--color-primary-text);
    padding: 2px 6px; 
    border-radius: var(--border-radius-small);
    font-size: 0.75rem; 
    font-weight: 500;
    display: inline-block;
}

/* Badge pre Datastore (Cieľ) */
.badge-ds-target {
    background-color: #555; /* Tmavá neutrálna */
    color: var(--color-primary-text);
    padding: 2px 6px; 
    border-radius: var(--border-radius-small);
    font-size: 0.75rem; 
    font-weight: 500;
    display: inline-block;
}


/* ---------------------------------- */
/* 8. RESPONZÍVNY DIZAJN (MOBIL)      */
/* ---------------------------------- */

@media (max-width: 768px) {
    /* 1. Úprava hornej lišty, aby sa nerozpadla */
    .top-menu {
        padding: 0 10px;
        flex-wrap: nowrap;
        gap: 10px;
    }
    
    /* Zmenšíme logo na mobile, aby nezavadzalo */
    .top-menu .logo {
        font-size: 1.1rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 1;
    }

    /* Nástrojová lišta (toolbar) */
    .toolbar {
        flex-shrink: 0;
        gap: 5px;
    }

    /* Zobrazí hamburger menu tlačidlo */
    #mobile-menu-toggle {
        display: flex; 
        margin-right: 5px;
        background: transparent;
        z-index: 1100;
    }

    /* 2. HLAVNÉ MENU - Kontajner */
    .main-nav {
        display: none;
        
        /* Pevná pozícia na celú obrazovku pod hlavičkou */
        position: fixed; 
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        
        /* VZHĽAD - Toto opraví "priehľadnosť" */
        background-color: var(--color-bg-secondary); 
        border-top: 1px solid var(--color-border);
        
        /* Rozloženie prvkov pod seba */
        flex-direction: column;
        margin-left: 0;
        padding: 0;
        overflow-y: auto;
        z-index: 1050;
    }

    /* Trieda, ktorá sa pridá cez JS keď sa klikne na hamburger */
    .main-nav.open {
        display: flex !important;
    }

    /* 3. ODKAZY V MENU */
    .main-nav a {
        display: block;
        width: 100%;
        padding: 15px 20px;
        border-bottom: 1px solid var(--color-border);
        text-align: left;
        font-size: 1.1rem;
        
        /* Farby */
        color: var(--color-text);
        background-color: var(--color-bg-secondary); 
        height: auto;
    }

    /* Hover a Active stavy na mobile */
    .main-nav a:hover, 
    .main-nav a.active {
        background-color: var(--color-hover);
        color: var(--color-primary);
        border-left: 5px solid var(--color-primary); 
        border-bottom-color: var(--color-border);
        padding-left: 15px; 
    }

    /* Úprava obsahu stránky */
    main {
        padding: 15px 10px;
    }
}
/* ---------------------------------- */
/* ZOBRAZENIE POUŽÍVATEĽA V MENU      */
/* ---------------------------------- */

.user-display {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    margin-right: 10px;
    line-height: 1.2;
    text-align: right;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
    white-space: nowrap;
}

.user-role-badge {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    background-color: var(--color-hover); 
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 500;
    letter-spacing: 0.5px;
    border: 1px solid var(--color-border);
}

/* SKRYTIE NA MOBILOCH */
/* Na malých displejoch to skryjeme, aby nezaberalo miesto */
@media (max-width: 768px) {
    .user-display {
        display: none;
    }
}
/* Notifikácie licencií */
.lic-row-warning {
    background-color: #fff3cd !important; 
}
.lic-row-critical {
    background-color: #f8d7da !important; 
    color: #721c24;
    font-weight: bold;
}

/* Blikanie pre kritické licencie (< 7 dní) */
@keyframes blinking {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}
.blink-warning {
    animation: blinking 2s infinite;
    color: #d63031;
}

/* Dashboard Licencie */
.stat-card.lic-ok { border-left-color: #27ae60; }
.stat-card.lic-warn { border-left-color: #f1c40f; }
.stat-card.lic-crit { border-left-color: #e74c3c; }