/* =========================================
   FARVEPALET (LYST TEMA - STANDARD)
   ========================================= */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg: #f8fafc;
    --container-bg: #ffffff;
    --secondary-bg: #f1f5f9;
    --border: #cbd5e1;
    --border-light: #e2e8f0;
    --text: #334155;
    --text-muted: #64748b;
}

/* =========================================
   FARVEPALET (MØRKT TEMA)
   Træder i kraft ved system-præference ELLER manuelt valg
   ========================================= */
@media (prefers-color-scheme: dark) {
    /* Brug mørkt tema hvis systemet er mørkt, MEDMINDRE brugeren har tvunget det lyst */
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --primary: #3b82f6;
        --primary-hover: #60a5fa;
        --bg: #0f172a;
        --container-bg: #1e293b;
        --secondary-bg: #334155;
        --border: #475569;
        --border-light: #334155;
        --text: #f8fafc;
        --text-muted: #94a3b8;
    }
}

/* Manuel mørk-mode override (hvis systemet er lyst, men brugeren vælger mørkt) */
[data-theme="dark"] {
    color-scheme: dark;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --bg: #0f172a;
    --container-bg: #1e293b;
    --secondary-bg: #334155;
    --border: #475569;
    --border-light: #334155;
    --text: #f8fafc;
    --text-muted: #94a3b8;
}

/* --- Tema Toggle Knap --- */
.theme-toggle-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text);
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}
.theme-toggle-btn:hover {
    background-color: var(--secondary-bg);
}

/* =========================================
   FARVEPALET OMRÅDE SLUT
   ========================================= */

html {
    overflow-y: scroll;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.ad-container {
    width: 100%;
    min-height: 90px;
    background-color: var(--secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    margin: 20px 0;
    border: 1px dashed var(--border);
    font-size: 14px;
}

#ad-container-results {
    display: none;
    margin-top: 25px;
    margin-bottom: 0;
}

.app-container {
    background-color: var(--container-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* --- Top Menu (Header) --- */
#header-placeholder {
    margin-bottom: 20px;
}

.main-header {
    background-color: var(--container-bg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.main-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text);
    padding: 0;
}

.ui-lang-select {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background-color: var(--secondary-bg);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    outline: none;
}

.ui-lang-select:focus {
    border-color: var(--primary);
}

/* --- Hoved Input Område --- */
.input-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    position: relative;
}

.main-input {
    flex-grow: 1;
    padding: 14px 15px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 18px;
    font-weight: 500;
    box-sizing: border-box;
    background-color: var(--container-bg);
    color: var(--text);
}

.main-input:focus {
    outline: none;
    border-color: var(--primary);
}

/* --- Ordbog Dropdown --- */
.dropdown-container { position: relative; width: 200px; }
.dropdown-btn {
    width: 100%; height: 100%; padding: 0 15px; 
    background-color: var(--container-bg);
    color: var(--text);
    border: 1px solid var(--border); border-radius: 6px; font-size: 16px;
    text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
    box-sizing: border-box;
}
.dropdown-content {
    display: none; position: absolute; top: 100%; left: 0; width: 100%;
    background-color: var(--container-bg);
    border: 1px solid var(--border); border-radius: 6px;
    margin-top: 5px; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); z-index: 100;
    box-sizing: border-box;
}
.dropdown-content.show { display: block; }

.dropdown-search { 
    width: calc(100% - 20px); 
    margin: 10px; 
    padding: 8px 10px; 
    border: 1px solid var(--border); 
    border-radius: 4px; 
    box-sizing: border-box; 
    font-family: inherit;
    font-size: 14px;
    background-color: var(--container-bg);
    color: var(--text);
}
.dropdown-search:focus {
    outline: none;
    border-color: var(--primary);
}

.lang-list { list-style: none; padding: 0; margin: 0; max-height: 200px; overflow-y: auto; }
.lang-list li { padding: 10px 15px; cursor: pointer; font-size: 15px; color: var(--text); }
.lang-list li:hover { background-color: var(--secondary-bg); }

/* --- Avancerede Indstillinger --- */
.advanced-options {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.advanced-header {
    font-size: 14px; font-weight: 600; color: var(--text-muted); margin: 0 0 15px 0;
    text-transform: uppercase; letter-spacing: 0.5px;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.full-width { grid-column: 1 / -1; }

.option-group { display: flex; flex-direction: column; gap: 6px; justify-content: flex-start; }
.option-group label { font-size: 13px; font-weight: 600; color: var(--text); }

.option-input { 
    padding: 10px; 
    border: 1px solid var(--border); 
    border-radius: 4px; 
    font-size: 15px; 
    box-sizing: border-box; 
    background-color: var(--container-bg);
    color: var(--text);
}
.option-input:focus { outline: none; border-color: var(--primary); }

.length-flex { display: flex; align-items: center; gap: 10px; }
.length-flex input { width: 80px; }

/* --- Pattern Boxes --- */
.pattern-container {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 5px;
}

.pattern-box {
    width: 42px;
    height: 48px;
    text-align: center;
    font-size: 22px;
    font-weight: bold;
    border: 2px solid var(--border);
    border-radius: 6px;
    background-color: var(--container-bg);
    text-transform: uppercase;
    color: var(--primary);
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.pattern-box:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* --- Knap & Resultater --- */
.submit-btn {
    display: block; background-color: var(--primary); color: white; border: none;
    padding: 14px 35px; border-radius: 6px; font-size: 16px; font-weight: 600;
    cursor: pointer; transition: background 0.2s;
}
.submit-btn:hover { background-color: var(--primary-hover); }
.submit-btn:disabled { background-color: var(--border); cursor: not-allowed; }

.results-container { margin-top: 30px; }
.length-group { margin-bottom: 25px; }
.length-group h3 { border-bottom: 2px solid var(--border-light); padding-bottom: 5px; color: var(--text-muted); margin-bottom: 12px; }
.word-tag {
    display: inline-block; background-color: var(--secondary-bg); padding: 8px 14px; border-radius: 6px;
    margin: 4px 4px 4px 0; border: 1px solid var(--border-light); font-weight: 500; font-size: 15px; color: var(--text);
}

/* =========================================
   MOBILVENLIGT DESIGN (MEDIA QUERIES)
   ========================================= */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    .app-container {
        padding: 20px;
    }

    .header-row {
        flex-direction: column;
        gap: 15px;
    }

    .input-row {
        flex-direction: column;
    }
    
    .dropdown-container {
        width: 100%;
    }

    .dropdown-btn {
        padding: 14px 15px;
    }

    .options-grid {
        grid-template-columns: 1fr;
    }

    .pattern-box {
        width: 36px;
        height: 42px;
        font-size: 18px;
        gap: 4px;
    }

    .submit-btn {
        width: 100%;
    }

    /* Mobil Menu */
    .mobile-menu-btn {
        display: block;
    }
    
    .main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--container-bg);
        padding: 20px;
        box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
        border-top: 1px solid var(--border);
        box-sizing: border-box;
        align-items: flex-start;
    }

    .main-nav.show {
        display: flex;
    }
}
/* --- Custom Time Selectors --- */
.time-select-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.time-sel {
    width: 70px;
    padding: 10px 5px;
    text-align: center;
    cursor: pointer;
}

/* --- SEO & INFO SECTION --- */
.info-section {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    line-height: 1.6;
}

.info-section h3 {
    color: var(--text);
    font-size: 18px;
    margin-top: 15px;
    margin-bottom: 10px;
}

.info-section p {
    font-size: 15px;
    margin-bottom: 15px;
}