:root {
    --bg-dark: #121824;
    --bg-panel: #1a2332;
    --bg-card: #243044;
    --border-color: #33435c;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-amber: #f59e0b;
}

* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
}

html {
    height: 100%;
    height: -webkit-fill-available;
    overflow: hidden;
}

body { 
    background-color: var(--bg-dark); 
    color: var(--text-primary); 
    height: 100%;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overflow: hidden;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

#app-container { 
    display: flex; 
    flex-direction: column; 
    height: 100vh; 
    height: -webkit-fill-available;
    overflow: hidden;
}

.navbar { 
    min-height: 56px; 
    background-color: var(--bg-panel); 
    border-bottom: 1px solid var(--border-color); 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    padding: 0.5rem 1rem; 
    flex-wrap: wrap;
    gap: 0.5rem;
    z-index: 10;
    flex-shrink: 0;
}

.brand-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand { 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
    font-weight: bold; 
    font-size: 1.2rem; 
    letter-spacing: 1px; 
    color: #fff; 
}

.status-dot { 
    width: 10px; 
    height: 10px; 
    border-radius: 50%; 
    display: inline-block; 
}
.status-dot.green { 
    background-color: var(--accent-green); 
    box-shadow: 0 0 8px var(--accent-green); 
}

.controls { 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
    flex-wrap: wrap;
}

.user-badge { 
    background: var(--bg-card); 
    padding: 0.3rem 0.8rem; 
    border-radius: 20px; 
    font-size: 0.85rem; 
    border: 1px solid var(--border-color); 
    color: var(--accent-blue); 
}

.main-layout { 
    display: flex; 
    flex: 1; 
    min-height: 0; 
    overflow: hidden; 
    position: relative;
}

.ticket-list-panel { 
    width: 380px; 
    background-color: var(--bg-panel); 
    border-right: 1px solid var(--border-color); 
    display: flex; 
    flex-direction: column; 
    flex-shrink: 0;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.panel-header { 
    padding: 0.8rem; 
    border-bottom: 1px solid var(--border-color); 
    display: flex; 
    flex-direction: column; 
    gap: 0.5rem; 
    flex-shrink: 0; 
}

.tabs { 
    display: flex; 
    gap: 0.4rem; 
}

.tab-btn { 
    flex: 1; 
    padding: 0.5rem 0.25rem; 
    background: var(--bg-dark); 
    border: 1px solid var(--border-color); 
    color: var(--text-secondary); 
    cursor: pointer; 
    border-radius: 4px; 
    font-weight: bold; 
    font-size: 0.85rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tab-btn.active { 
    background: var(--accent-blue); 
    color: #fff; 
    border-color: var(--accent-blue); 
}

input[type="text"], 
input[type="email"], 
input[type="password"], 
textarea, 
select {
    width: 100%; 
    padding: 0.65rem; 
    background: var(--bg-dark); 
    border: 1.5px solid var(--border-color); 
    border-radius: 4px; 
    color: #fff; 
    font-size: 1rem; 
    margin-top: 0.2rem; 
    margin-bottom: 0.8rem;
    -webkit-appearance: none;
    appearance: none;
}

input:focus, 
textarea:focus, 
select:focus, 
button:focus,
.user-link:focus,
.close-modal:focus,
.ticket-item:focus { 
    outline: 3px solid var(--accent-blue) !important; 
    outline-offset: 2px !important;
    border-color: var(--accent-blue); 
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    margin-bottom: 0.8rem;
}

.checkbox-label input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    margin: 0;
}

.ticket-list { 
    flex: 1; 
    overflow-y: auto; 
    min-height: 0;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain; 
}

.ticket-item { 
    padding: 0.8rem 1rem; 
    border-bottom: 1px solid var(--border-color); 
    cursor: pointer; 
    transition: background 0.15s; 
}

.ticket-item:hover, .ticket-item:focus { 
    background: var(--bg-card); 
}

.ticket-item.selected { 
    background: #2b3952; 
    border-left: 4px solid var(--accent-blue); 
}

.item-top { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 0.3rem; 
}

.badge-id { 
    background: rgba(255, 255, 255, 0.08); 
    color: var(--text-secondary); 
    font-weight: 500; 
    font-size: 0.75rem; 
    padding: 0.1rem 0.35rem; 
    border-radius: 3px; 
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.item-time { 
    font-size: 0.8rem; 
    color: var(--text-secondary); 
}

.item-title { 
    font-weight: 600; 
    font-size: 1rem; 
    color: #fff; 
    margin-bottom: 0.3rem; 
}

.item-meta { 
    font-size: 0.8rem; 
    color: var(--text-secondary); 
}

.ticket-detail-panel { 
    flex: 1; 
    background-color: var(--bg-dark); 
    display: flex; 
    flex-direction: column; 
    height: 100%;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.mobile-back-bar {
    display: none;
    padding: 0.5rem 1rem;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.empty-state { 
    flex: 1; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    color: var(--text-secondary); 
    text-align: center; 
    padding: 2rem; 
}

#detail-content { 
    display: flex; 
    flex-direction: column; 
    height: 100%; 
    min-height: 0;
    overflow: hidden;
}

.detail-header { 
    padding: 1rem 1.5rem; 
    background: var(--bg-panel); 
    border-bottom: 1px solid var(--border-color); 
    display: flex; 
    justify-content: space-between; 
    align-items: flex-start; 
    gap: 1rem;
    flex-wrap: wrap;
    flex-shrink: 0; 
}

.ticket-id { 
    font-size: 0.85rem; 
    font-weight: 500; 
    color: var(--text-secondary); 
    margin-bottom: 0.15rem;
    display: inline-block;
}

.meta-line { 
    font-size: 0.85rem; 
    color: var(--text-secondary); 
    margin-top: 0.2rem; 
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.log-timeline { 
    flex: 1; 
    padding: 1.5rem; 
    overflow-y: auto; 
    display: flex; 
    flex-direction: column; 
    gap: 1rem; 
    min-height: 0; 
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain; 
}

.timeline-entry { 
    background: var(--bg-panel); 
    border: 1px solid var(--border-color); 
    border-radius: 6px; 
    padding: 0.8rem 1rem; 
}

.timeline-entry.system-entry { 
    background: #262118; 
    border-color: var(--accent-amber); 
}

.timeline-entry.mblankett-entry { 
    background: #1e293b; 
    border-color: var(--accent-blue); 
}

.entry-header { 
    display: flex; 
    justify-content: space-between; 
    font-size: 0.85rem; 
    color: var(--text-secondary); 
    margin-bottom: 0.4rem; 
    border-bottom: 1px solid rgba(255,255,255,0.05); 
    padding-bottom: 0.3rem; 
}

.entry-body { 
    font-size: 0.95rem; 
    line-height: 1.4; 
    color: #e2e8f0; 
    white-space: pre-wrap; 
}

.reply-box { 
    padding: 1rem 1.5rem; 
    background: var(--bg-panel); 
    border-top: 1px solid var(--border-color); 
    flex-shrink: 0; 
}

.reply-footer { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-top: 0.5rem; 
    gap: 0.5rem;
}

.reply-buttons {
    display: flex;
    gap: 0.5rem;
}

.hint { 
    font-size: 0.8rem; 
    color: var(--text-secondary); 
}

.mblankett-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.btn { 
    padding: 0.6rem 1rem; 
    border-radius: 4px; 
    border: none; 
    font-weight: bold; 
    cursor: pointer; 
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    gap: 0.4rem; 
    font-size: 0.9rem; 
    transition: opacity 0.2s, background-color 0.2s;
    touch-action: manipulation;
}

.btn:active {
    opacity: 0.8;
}

.btn-primary { background: var(--accent-blue); color: #fff; }
.btn-action { background: var(--accent-green); color: #fff; font-size: 0.95rem; }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-danger { background: var(--accent-red); color: #fff; }
.btn-success { background: var(--accent-green); color: #fff; }
.btn-sm { padding: 0.4rem 0.7rem; font-size: 0.85rem; }

kbd { 
    background: rgba(255,255,255,0.15); 
    padding: 0.1rem 0.3rem; 
    border-radius: 3px; 
    font-size: 0.75rem; 
    font-family: monospace; 
}

.user-link { 
    color: var(--accent-blue); 
    cursor: pointer; 
    text-decoration: underline; 
    font-weight: 500; 
}

.modal-overlay { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100vw; 
    height: 100vh; 
    background: rgba(0,0,0,0.75); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    z-index: 1000; 
    padding: 1rem;
    overflow-y: auto;
}

.modal-box { 
    background: var(--bg-panel); 
    border: 1px solid var(--border-color); 
    padding: 1.5rem; 
    border-radius: 8px; 
    width: 450px; 
    max-width: 100%; 
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.modal-box.wide { width: 650px; }
.modal-box.xwide { width: 900px; }

.modal-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 1rem; 
    border-bottom: 1px solid var(--border-color); 
    padding-bottom: 0.5rem; 
}

.close-modal { 
    font-size: 1.75rem; 
    cursor: pointer; 
    color: var(--text-secondary); 
    line-height: 1;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.close-modal:hover {
    color: #fff;
}

.modal-footer { 
    display: flex; 
    justify-content: flex-end; 
    gap: 0.5rem; 
    margin-top: 1rem; 
    flex-wrap: wrap;
}

.hidden { display: none !important; }
.error-msg { color: var(--accent-red); margin-bottom: 0.5rem; font-size: 0.9rem; }

.admin-sections { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 1.2rem; 
    margin-top: 1rem; 
}

.admin-card { 
    background: var(--bg-card); 
    padding: 1rem; 
    border-radius: 6px; 
    border: 1px solid var(--border-color); 
}

.table-wrapper { 
    max-height: 250px; 
    overflow-y: auto; 
    overflow-x: auto;
    margin-top: 0.5rem; 
}

table { 
    width: 100%; 
    border-collapse: collapse; 
    font-size: 0.85rem; 
}

th, td { 
    text-align: left; 
    padding: 0.5rem; 
    border-bottom: 1px solid var(--border-color); 
}

th { background: var(--bg-dark); position: sticky; top: 0; }

.radio-tag { 
    background: #334155; 
    padding: 0.1rem 0.4rem; 
    border-radius: 3px; 
    font-family: monospace; 
    color: #f1f5f9; 
}

.user-card-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 1rem; 
    gap: 0.5rem;
}

.user-details-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 0.5rem; 
    margin-bottom: 1rem; 
    background: var(--bg-card); 
    padding: 0.8rem; 
    border-radius: 4px; 
    font-size: 0.9rem; 
}

.user-activity-list { 
    list-style: none; 
    max-height: 180px; 
    overflow-y: auto; 
    margin-top: 0.5rem; 
}

.user-act-item { 
    padding: 0.4rem; 
    border-bottom: 1px solid var(--border-color); 
    cursor: pointer; 
    font-size: 0.85rem; 
}

.user-act-item:hover, .user-act-item:focus { 
    background: var(--bg-card); 
}

@media (max-width: 850px) {
    .navbar {
        padding: 0.5rem;
    }

    .brand-left {
        gap: 0.5rem;
    }

    .brand {
        font-size: 1rem;
    }

    .controls {
        gap: 0.3rem;
    }

    .btn-action kbd {
        display: none;
    }
}