:root {
    --bg: #0a0e17;
    --bg-card: #111827;
    --bg-input: #0f172a;
    --border: #1e293b;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --neon: #00d4ff;
    --neon-dim: #0099cc;
    --neon-glow: rgba(0, 212, 255, 0.25);
    --danger: #ef4444;
    --success: #22c55e;
    --radius: 10px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; }

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--neon); text-decoration: none; }
a:hover { color: #66e5ff; }

.container { width: 100%; max-width: none; margin: 0; }

.main { padding: 0; }
.main--center { display: flex; align-items: center; min-height: 100vh; padding: 1rem; }

.auth-wrap { width: min(400px, 100%); margin: 0 auto; }

/* App shell + sidebar */
.app-shell {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 200;
}

.sidebar__head {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
}

.sidebar__nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow-y: auto;
}

.sidebar__section {
    margin: 0.75rem 0.5rem 0.35rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.85rem;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: 0.2s;
}

.sidebar__link:hover,
.sidebar__link.is-active {
    color: var(--neon);
    background: rgba(0, 212, 255, 0.08);
    box-shadow: inset 3px 0 0 var(--neon);
}

.sidebar__icon {
    width: 1.5rem;
    height: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--neon);
    flex-shrink: 0;
}

.sidebar__foot {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.sidebar__user { margin-bottom: 0.75rem; }

.sidebar__user-name {
    font-size: 0.9rem;
    font-weight: 600;
}

.sidebar__user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.topbar {
    display: none;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 150;
}

.topbar__title {
    font-weight: 600;
    font-size: 1rem;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 190;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
    white-space: nowrap;
    display: inline-block;
}

.logo span { color: var(--neon); text-shadow: 0 0 12px var(--neon-glow); }

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-shrink: 0;
}

.burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--neon);
}

.app-main .main {
    padding: 1.5rem 2rem 2.5rem;
    flex: 1;
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: 0.2s;
    font-family: inherit;
    text-decoration: none;
}

.btn--primary {
    background: var(--neon);
    color: #041018;
    box-shadow: 0 0 16px var(--neon-glow);
}

.btn--primary:hover { background: #33ddff; color: #041018; }

.btn--ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-muted);
}

.btn--ghost:hover { border-color: var(--neon); color: var(--neon); }

.btn--danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.btn--sm { padding: 0.35rem 0.65rem; font-size: 0.8rem; }
.btn--block { width: 100%; }

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.card__title {
    margin: 0 0 1rem;
    font-size: 1rem;
    color: var(--neon);
}

.form-card { display: flex; flex-direction: column; gap: 1rem; }

/* Forms */
.form { display: flex; flex-direction: column; gap: 1rem; }

.form__group { display: flex; flex-direction: column; gap: 0.35rem; }

.form__row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form__label { font-size: 0.85rem; color: var(--text-muted); }

.form__input, .form__textarea, select.form__input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 0.65rem 0.85rem;
    font-size: 0.9rem;
    font-family: inherit;
    width: 100%;
}

.form__input:focus, .form__textarea:focus, select.form__input:focus {
    outline: none;
    border-color: var(--neon);
    box-shadow: 0 0 0 3px var(--neon-glow);
}

.form__input--color { height: 44px; padding: 0.25rem; cursor: pointer; }

.form__textarea { min-height: 120px; resize: vertical; }

.form__checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
}

/* Auth */
.auth-card {
    width: min(400px, 100%);
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: 0 0 40px var(--neon-glow);
}

.auth-card__title {
    margin: 0;
    text-align: center;
    font-size: 1.75rem;
}

.auth-card__title + .auth-card__subtitle { margin-top: 0.25rem; }

.auth-card__subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Page */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.page-header h1 { margin: 0; font-size: 1.5rem; }

.page-header__actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.meta, .muted { color: var(--text-muted); font-size: 0.85rem; }

/* Widgets */
.widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}

.widget--accent { border-color: var(--neon); box-shadow: 0 0 20px var(--neon-glow); }
.widget--muted { opacity: 0.85; }

.widget__value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon);
    text-shadow: 0 0 10px var(--neon-glow);
}

.widget__label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }

/* Filters */
.filters {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.filters__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
}

.filters__actions { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; }

/* Table */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    background: var(--bg-card);
}

.table th, .table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.table th {
    background: var(--bg-input);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.table tr:hover td { background: rgba(0, 212, 255, 0.03); }

.table__empty { text-align: center; color: var(--text-muted); white-space: normal; }

.table__actions { display: flex; gap: 0.35rem; white-space: nowrap; }

.link { font-weight: 500; }

.badge--sm {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
}

/* Dropdown filter */
.dropdown {
    position: relative;
}

.dropdown__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 0.65rem 0.85rem;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    min-height: 42px;
}

.dropdown__toggle:hover,
.dropdown__toggle[aria-expanded="true"] {
    border-color: var(--neon);
    box-shadow: 0 0 0 3px var(--neon-glow);
}

.dropdown__label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown__arrow {
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform 0.2s;
}

.dropdown__toggle[aria-expanded="true"] .dropdown__arrow {
    transform: rotate(180deg);
}

.dropdown__menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 50;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    max-height: 240px;
    overflow-y: auto;
    padding: 0.35rem 0;
}

.dropdown__menu[hidden] {
    display: none;
}

.dropdown__item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.85rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text);
}

.dropdown__item:hover {
    background: rgba(0, 212, 255, 0.06);
}

.dropdown__item input[type="checkbox"] {
    accent-color: var(--neon);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.dropdown__divider {
    height: 1px;
    background: var(--border);
    margin: 0.25rem 0;
}
/* Badge */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: color-mix(in srgb, var(--badge-color, var(--neon)) 20%, transparent);
    color: var(--badge-color, var(--neon));
    border: 1px solid color-mix(in srgb, var(--badge-color, var(--neon)) 40%, transparent);
}

/* Alerts */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert ul { margin: 0; padding-left: 1.2rem; }

.alert--success {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert--error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

/* Ticket layout */
.ticket-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1rem;
    align-items: start;
}

.ticket-side { position: sticky; top: 5rem; }

.info-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.35rem 1rem;
    margin: 0;
    font-size: 0.875rem;
}

.info-list dt { color: var(--text-muted); margin: 0; }
.info-list dd { margin: 0; }

.history { display: flex; flex-direction: column; gap: 0.75rem; max-height: 400px; overflow-y: auto; }

.history__item {
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.history__time { color: var(--text-muted); font-size: 0.75rem; }
.history__user { color: var(--neon); font-weight: 500; }
.history__text { margin-top: 0.15rem; }

.attachment, .link-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.link-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.link-form select { flex: 1; min-width: 200px; }

.inline-form { display: inline; }

/* Pagination */
.pagination-wrap { margin-top: 1rem; }

.pagination { display: flex; gap: 0.35rem; flex-wrap: wrap; }

.pagination__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.pagination__item.is-active {
    background: var(--neon);
    color: #041018;
    border-color: var(--neon);
}

.pagination__item.is-disabled { opacity: 0.4; pointer-events: none; }

/* TinyMCE dark override */
.tox-tinymce { border-color: var(--border) !important; border-radius: var(--radius) !important; }
.tox .tox-edit-area__iframe { background: var(--bg-input) !important; }

/* Responsive */
@media (max-width: 900px) {
    .ticket-grid { grid-template-columns: 1fr; }
    .ticket-side { position: static; }
    .app-main .main { padding: 1rem 1.25rem 2rem; }
}

@media (max-width: 768px) {
    .topbar { display: flex; }
    .burger { display: flex; }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
    }

    .sidebar.is-open { transform: translateX(0); }

    .sidebar-overlay.is-visible { display: block; }

    .table th, .table td { padding: 0.5rem 0.65rem; font-size: 0.8rem; }
    .page-header { flex-direction: column; }
    .filters__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
    .filters__grid { grid-template-columns: 1fr; }
}