:root {
            --header-bg: #747474;
            --sidebar-bg: #f8f9fa;
            --accent-blue: #1a365d;
            --border-color: #e2e8f0;
            --text-main: #2d3748;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            height: 100vh;
            color: var(--text-main);
        }

        /* Felső Sáv */
        header {
            background-color: var(--header-bg);
            color: white;
            padding: 20px 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 40px;
        }

        .logo-section {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .logo-placeholder {
            width: 130px;
            height: 40px;
#            background-color: #afff;
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--header-bg);
            font-weight: bold;
        }

        .logout-btn {
            background: transparent;
            border: 1px solid white;
            color: white;
            padding: 5px 15px;
            cursor: pointer;
            border-radius: 4px;
            transition: all 0.15s ease;
        }

        .logout-btn:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .logout-btn:active {
            transform: translateY(1px);
        }

        /* Fő tartalom elrendezése */
        .main-container {
            display: flex;
            flex: 1;
            overflow: hidden;
        }

        /* Bal oldal: Tudástárak */
        .sidebar-left {
            width: 300px;
            background-color: var(--sidebar-bg);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            padding: 15px;
        }

        /* Középső rész: Keresés és Kérdés */
        .content-center {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 20px;
            gap: 20px;
            background-color: #fff;
        }

        /* Jobb oldal: Előzmények */
        .sidebar-right {
            width: 250px;
            background-color: var(--sidebar-bg);
            border-left: 1px solid var(--border-color);
            padding: 15px;
            overflow-y: auto;
        }

        /* UI Elemek */
        .search-bar {
            width: 100%;
            padding: 12px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 16px;
        }

        .chat-area {
            flex: 1;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            display: flex;
            flex-direction: column;
            background-color: #fcfcfc;
        }

        .question-box {
            display: flex;
            gap: 10px;
            margin-top: 15px;
        }

        textarea {
            flex: 1;
            height: 80px;
            padding: 10px;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            resize: none;
        }

        .textmezo {
            flex: 1;
	    width: 18.8vw;
            height: 9vw;
            padding: 5px;
            border: 2px solid var(--border-color);
            border-radius: 5px;
            resize: none;
        }


        /* Küldés gomb emelkedő és lenyomódó effektje */
        .btn-primary {
            background-color: var(--accent-blue);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            box-shadow: 0 2px 4px rgba(0,0,0,0.15);
            transition: all 0.15s ease-in-out;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(26, 54, 93, 0.3);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 1px 2px rgba(0,0,0,0.15);
        }


        .gomb {
            background-color: var(--accent-blue);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            box-shadow: 0 2px 4px rgba(0,0,0,0.15);
            transition: all 0.15s ease-in-out;
        }

        .gomb:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(26, 54, 93, 0.3);
        }

        .gomb:active {
            transform: translateY(1px);
            box-shadow: 0 1px 2px rgba(0,0,0,0.15);
        }



        /* Akció kártyák felül (Fájl feltöltés, Új mappa) */
        .actions-top {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }

        .action-card {
            background-color: white;
            border: 1px dashed var(--accent-blue);
            padding: 12px;
            text-align: center;
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            color: var(--accent-blue);
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            transition: all 0.2s ease;
        }

        .action-card:hover {
            background-color: #e6f0ff;
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(26, 54, 93, 0.15);
        }

        .action-card:active {
            transform: translateY(1px);
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }

        /* Tudástár Csempék emelkedő és lenyomódó effektje */
        .knowledge-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            overflow-y: auto;
            padding: 5px; /* Hogy az emelkedésnél ne vágja le a keret */
        }

        .knowledge-tile {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px;
            text-align: center;
            box-shadow: 0 2px 5px rgba(0,0,0,0.06);
            cursor: pointer;
            transition: all 0.2s ease-in-out;
        }

        .knowledge-tile:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 16px rgba(0,0,0,0.12);
            border-color: #cbd5e0;
        }

        .knowledge-tile:active {
            transform: translateY(2px);
            box-shadow: 0 2px 4px rgba(0,0,0,0.06);
        }

        .tile-img {
            width: 100%;
            height: 100px;
            background-color: #eee;
            border-radius: 4px;
            margin-bottom: 8px;
            object-fit: cover;
        }

        h3 { font-size: 14px; margin: 5px 0; }
        .badge { font-size: 10px; color: #777; }

        /* Mobil skálázás megtartása */
        @media (max-width: 900px) {
            .sidebar-left { width: 200px; }
            .sidebar-right { width: 180px; }
        }

        .o1 {
	display: inline-block;
	width: 15vw;
	height: 1.2vw;
	font-size: 1vw;
        text-align: right;
	vertical-align: top;
	padding: 5px;
	border: none;
	}

        .o2 {
	display: inline-block;
	width: 20vw;
	height: 1.2vw;
	font-size: 1vw;
        text-align: right;
	vertical-align: top;
	padding: 5px;
	border: none;
	}

        .bevitel {
	width: 19vw;
	height: 1.2vw;
	font-size: 1vw;
        text-align: left;
	vertical-align: top;
	}