/* ==========================================
   1. VÁLTOZÓK ÉS TÉMÁK
   ========================================== */
:root {
    --bg-color: #F6F9FC;
    --sidebar-bg: #FFFFFF;
    --content-bg: #FFFFFF;
    --text-main: #2D3748;
    --text-muted: #718096;
    --accent: #4C51BF;
    --accent-hover: #3730A3;
    --accent-light: #EBF4FF;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --font-heading: 'Poppins', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;
    --font-docx: 'Inter', sans-serif;
}

[data-theme="dark"] {
    --bg-color: #121418;
    --sidebar-bg: #1A1D21;
    --content-bg: #1A1D21;
    --text-main: #E2E8F0;
    --text-muted: #A0AEC0;
    --accent: #63B3ED;
    --accent-light: rgba(99, 179, 237, 0.1);
    --border: #2D3748;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   2. ALAPOK & FEJLÉC
   ========================================== */
* { box-sizing: border-box; margin: 0; padding: 0; transition: background-color 0.2s, color 0.2s, box-shadow 0.2s; }

body {
    font-family: var(--font-body); background-color: var(--bg-color); color: var(--text-main);
    display: flex; flex-direction: column; height: 100vh; overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-heading); }

.topbar {
    height: auto; min-height: 70px; background-color: var(--sidebar-bg); display: flex;
    justify-content: space-between; align-items: center; padding: 0.5rem 1.5rem;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm); z-index: 200;
    flex-wrap: wrap; gap: 0.5rem;
}
.logo { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; white-space: nowrap; }
.logo span { color: var(--accent); }
.controls { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

.zoom-controls { display: flex; align-items: center; gap: 0.3rem; background-color: var(--bg-color); padding: 0.2rem; border-radius: 8px; border: 1px solid var(--border); }
.zoom-btn { background: transparent; border: none; border-radius: 4px; width: 28px; height: 28px; cursor: pointer; color: var(--text-main); font-size: 1.2rem; display: flex; align-items: center; justify-content: center; font-weight: bold;}
.zoom-btn:hover { background: var(--accent-light); color: var(--accent); }
.zoom-level { font-size: 0.8rem; font-weight: 600; min-width: 45px; text-align: center; color: var(--text-main); }

.search-input {
    padding: 0.5rem 1.2rem; border-radius: 20px; border: 1px solid var(--border);
    background-color: var(--bg-color); color: var(--text-main); font-family: var(--font-body);
    outline: none; width: 200px; max-width: 100%; transition: width 0.3s, border-color 0.3s;
}
.search-input:focus { border-color: var(--accent); width: 250px; }
.sync-status { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.btn-icon { background: none; border: 1px solid var(--border); cursor: pointer; padding: 0.5rem; border-radius: 50%; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; flex-shrink: 0;}
.btn-icon:hover { background-color: var(--bg-color); }

/* ==========================================
   3. ÁTMÉRETEZHETŐ OLDALSÁV ÉS MENÜK
   ========================================== */
.layout { display: flex; flex: 1; overflow: hidden; position: relative; width: 100%; }

.resizable-sidebar {
    width: 320px; min-width: 260px; max-width: 50vw;
    resize: horizontal; overflow-y: auto; overflow-x: hidden;
    background-color: var(--sidebar-bg); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; padding: 1.5rem 1rem; flex-shrink: 0; z-index: 100;
}
.resizable-sidebar.hidden { display: none !important; }
.resizable-sidebar::-webkit-scrollbar { width: 6px; }
.resizable-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

.sidebar-section { margin-bottom: 2rem; }
.section-title { font-size: 0.75rem; text-transform: uppercase; font-weight: 700; color: var(--text-muted); letter-spacing: 0.05em; margin-bottom: 0.8rem; padding-left: 0.5rem; }

.nav-menu { list-style: none; }
.nav-menu li {
    padding: 0.6rem 0.8rem; margin-bottom: 0.3rem; border-radius: 6px; cursor: pointer;
    font-weight: 600; color: var(--text-muted); display: flex; align-items: center; gap: 0.8rem; font-size: 0.9rem;
    white-space: normal; word-wrap: break-word; line-height: 1.4;
}
.nav-menu li:hover { background-color: var(--bg-color); color: var(--text-main); }
.nav-menu li.active { background-color: var(--accent-light); color: var(--accent); }

.pill-menu { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pill-menu li {
    padding: 0.4rem 0.8rem; border-radius: 20px; background-color: var(--bg-color);
    border: 1px solid var(--border); cursor: pointer; font-size: 0.8rem; font-weight: 500;
    white-space: normal; word-wrap: break-word; line-height: 1.3; text-align: left;
}
.pill-menu li:hover { border-color: var(--accent); color: var(--accent); }
.pill-menu li.active { background-color: var(--accent); color: white; border-color: var(--accent); box-shadow: var(--shadow-sm); }

.file-grid { display: grid; grid-template-columns: 1fr; gap: 0.5rem; }
.doc-card { background-color: var(--content-bg); border: 1px solid var(--border); border-radius: 8px; padding: 0.8rem; cursor: pointer; display: flex; align-items: flex-start; gap: 0.8rem; box-shadow: var(--shadow-sm); }
.doc-card:hover { border-color: var(--accent); transform: translateX(3px); }
.doc-card.active { background-color: var(--accent-light); border-color: var(--accent); box-shadow: inset 3px 0 0 0 var(--accent); }
.doc-card-icon { font-size: 1.2rem; background-color: var(--bg-color); padding: 0.4rem; border-radius: 6px; flex-shrink: 0; }
.doc-card-info { display: flex; flex-direction: column; flex: 1; }
.doc-card-title { font-weight: 600; font-size: 0.85rem; color: var(--text-main); white-space: normal; word-wrap: break-word; line-height: 1.3; }
.doc-card-meta { font-size: 0.7rem; color: var(--text-muted); margin-top: 0.2rem; }

/* ==========================================
   4. TARTALOM MEGJELENÍTŐ
   ========================================== */
.content-area { flex: 1; min-width: 0; background-color: var(--bg-color); display: flex; justify-content: center; overflow-y: auto; overflow-x: hidden; }

.view-container {
    --zoom-factor: 1;
    font-size: calc(1rem * var(--zoom-factor));
    margin: 2rem auto; padding: 4rem 5rem; background-color: var(--content-bg);
    border-radius: 12px; box-shadow: var(--shadow-lg); 
    max-width: 900px; width: 100%; height: fit-content; min-height: 80%;
    overflow-wrap: anywhere; 
    transition: max-width 0.3s ease, padding 0.3s ease;
}

.view-container.table-mode { max-width: 95%; padding: 2rem 2rem; }
.welcome-msg { text-align: center; color: var(--text-muted); margin-top: 4rem; }

/* DOKUMENTUM FORMAZASA */
.doc-content { line-height: 1.8; font-size: 1.05em; font-family: var(--font-docx); color: var(--text-main); word-wrap: break-word; }
.doc-content h1, .doc-content h2, .doc-content h3 { color: var(--accent); margin-top: 2em; margin-bottom: 0.8em; font-family: var(--font-heading); }
.doc-content p { margin-bottom: 1.1em; }
.doc-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 1.5em 0; }
.doc-content table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; margin: 1.5em 0; }
.doc-content th, .doc-content td { padding: 0.8em; border: 1px solid var(--border); text-align: left; }
.doc-content th { background-color: var(--accent-light); color: var(--accent); }

/* ==========================================
   5. MOBIL NÉZET
   ========================================== */
@media (max-width: 768px) {
    .topbar { padding: 0.5rem 1rem; }
    .search-input { flex: 1; width: auto; min-width: 140px; }
    .sync-status, .zoom-controls, .logo span { display: none; } 
    .view-container { margin: 0; border-radius: 0; padding: 1.5rem 1rem; box-shadow: none; min-height: 100%; max-width: 100vw; }
    .resizable-sidebar { 
        position: fixed; left: 0; top: 0; height: 100vh; 
        width: 85vw; max-width: 320px; resize: none; 
        box-shadow: var(--shadow-lg); transform: translateX(-100%); 
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); z-index: 1000;
    }
    .resizable-sidebar.open { transform: translateX(0); }
}

/* ==========================================
   6. DOKUMENTUM NAVIGÁCIÓ
   ========================================== */
.doc-navigation { display: flex; justify-content: space-between; align-items: center; margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.btn-nav { background-color: var(--sidebar-bg); border: 1px solid var(--border); border-radius: 8px; padding: 0.8rem 1.2rem; cursor: pointer; color: var(--text-muted); font-family: var(--font-body); font-size: 0.85rem; text-align: left; transition: all 0.2s; box-shadow: var(--shadow-sm); flex: 1; margin: 0 0.5rem; }
.btn-nav span { display: block; font-weight: 600; color: var(--text-main); font-size: 0.95rem; margin-top: 0.3rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.btn-nav.btn-next { text-align: right; }
.btn-nav:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ==========================================
   7. OKOS TÁBLÁZAT ÉS KEDVENCEK
   ========================================== */
.filters-container {
    display: flex; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 1.5rem;
    background: var(--bg-color); padding: 1rem 1.5rem;
    border-radius: 8px; border: 1px solid var(--border);
    font-size: 0.95rem; font-weight: 600; color: var(--text-main);
    align-items: center;
}
.filters-container label { cursor: pointer; display: flex; align-items: center; gap: 0.5rem; user-select: none; }
.filters-container input[type="checkbox"] { width: 1.2rem; height: 1.2rem; accent-color: var(--accent); cursor: pointer; }

.table-responsive { width: 100%; overflow-x: hidden; border-radius: 8px; border: 1px solid var(--border); background: var(--content-bg); }
.table-responsive table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.9rem; color: var(--text-main); table-layout: auto; word-break: normal; overflow-wrap: break-word; }
.table-responsive th, .table-responsive td { padding: 0.6rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: middle; line-height: 1.4; white-space: normal; }
.table-responsive th { background: var(--accent-light); color: var(--accent); position: sticky; top: 0; z-index: 10; font-weight: 700; border-bottom: 2px solid var(--accent); }
.table-responsive tbody tr:hover { background-color: var(--bg-color); }
.table-responsive th:first-child, .table-responsive td.status-cell { width: 85px; min-width: 85px; max-width: 85px; text-align: center; white-space: nowrap !important; }

.category-row td { background: var(--accent) !important; color: #ffffff !important; font-weight: 700; cursor: pointer; font-size: 1.05rem; letter-spacing: 0.05em; }
.status-cell { display: flex; gap: 0.6rem; align-items: center; justify-content: center; font-size: 1.2rem; user-select: none; }
.star, .check { color: var(--border); cursor: pointer; transition: transform 0.2s; }
.star:hover, .check:hover { transform: scale(1.3); }
.star.active { color: #F59E0B; text-shadow: 0 0 8px rgba(245, 158, 11, 0.4); }
.check.active { color: #10B981; }

.bubble-kor { background: var(--accent-light); color: var(--accent); padding: 0.2rem 0.6rem; border-radius: 12px; font-size: 0.8rem; font-weight: 700; display: inline-block; border: 1px solid var(--accent); }
.tag-mufaj { background: var(--bg-color); color: var(--text-main); padding: 0.2rem 0.5rem; border-radius: 6px; font-size: 0.8rem; margin: 0.1rem; display: inline-block; border: 1px solid var(--border); font-weight: 500; }
.hidden-row, .hidden-by-category { display: none !important; }

/* ==========================================
   8. GYAKORLÁS (JAVÍTOTT: NINCS VONAL)
   ========================================== */
.quiz-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); display: flex; align-items: center;
    justify-content: center; z-index: 2000;
}
.quiz-card {
    background: var(--content-bg); width: 90%; max-width: 550px;
    padding: 2rem; border-radius: 12px; box-shadow: var(--shadow-lg);
    max-height: 90vh; overflow-y: auto; display: flex; flex-direction: column;
}
.quiz-header { border-bottom: 1px solid var(--border); padding-bottom: 10px; margin-bottom: 1rem; }
.quiz-close { background: transparent; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-muted); }
.quiz-question { margin-bottom: 1.5rem; font-weight: 500; color: var(--text-main);}

.quiz-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 1rem; }
.quiz-opt-btn {
    padding: 12px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--bg-color); color: var(--text-main); text-align: left;
    cursor: pointer; font-family: var(--font-body); width: 100%; transition: 0.2s;
}
.quiz-opt-btn:hover { border-color: var(--accent); background: var(--accent-light); }
.quiz-opt-btn.correct { background: #10B981 !important; color: white !important; border-color: #10B981;}
.quiz-opt-btn.wrong { background: #EF4444 !important; color: white !important; border-color: #EF4444;}

.quiz-feedback { margin-top: 1.5rem; line-height: 1.5; color: var(--text-main);}

/* EZ AZ A RÉSZ, AHOL A VONAL VOLT: Most már csak egyszerű szöveg háttérrel */
.quiz-explanation-item {
    margin-top: 6px; padding: 8px 12px; background: var(--bg-color); 
    border-radius: 6px; font-size: 0.9rem;
}

.btn-practice {
    background: var(--accent); color: white; border: none; padding: 0.5rem 1rem;
    border-radius: 8px; cursor: pointer; font-weight: 600; display: flex; align-items: center; gap: 5px;
}
.btn-practice:hover { background: var(--accent-hover); }

.btn-verify {
    display: none; align-items: center; justify-content: center;
    gap: 8px; padding: 12px; margin-top: 15px;
    background-color: #3182ce; color: white !important;
    text-decoration: none; border-radius: 8px; font-weight: 600;
    font-size: 0.95rem; width: 100%; text-align: center; cursor: pointer;
}
.btn-verify:hover { background-color: #2b6cb0; }