:root {
    --bg: #0f1115;
    --bg-raised: #161920;
    --bg-elevated: #1c2028;
    --border: #252932;
    --border-mid: #2e333d;
    --text: #e0e2e6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    --accent: #4f7cff;
    --accent-bright: #6b91ff;
    --accent-dim: #2a3f6e;
    --danger: #e5484d;
    --danger-dim: #3d1517;
    --success: #30a46c;
    --success-dim: #103022;
    --warning: #f5a623;
    --warning-dim: #3d2e10;
    --radius: 6px;
    --radius-sm: 4px;
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
}

a { color: var(--accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

code { font-family: var(--mono); font-size: 0.85em; }

/* --- Topbar --- */
.topbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0 1.25rem;
    height: 48px;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
}
.topbar__brand a {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
    letter-spacing: 0.02em;
}
.topbar__brand a span { color: var(--accent-bright); }
.topbar__nav { display: flex; gap: 1rem; }
.topbar__nav a {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0.25rem 0;
}
.topbar__nav a:hover { color: var(--text); text-decoration: none; }
.topbar__user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- Main layout --- */
.app-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem;
}

.page-title {
    margin: 0 0 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.page-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.page-header-row .page-title { margin: 0; }

/* --- Stats grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    display: block;
    padding: 1rem;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
}
.stat-card:hover { border-color: var(--border-mid); text-decoration: none; }
.stat-card__value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
}
.stat-card__label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.stat-card--muted .stat-card__value { color: var(--text-dim); }

/* --- Panel --- */
.panel {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    overflow: hidden;
}
.panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 0.875rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
}
.panel__title {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}
.panel__sub {
    font-size: 0.7rem;
    color: var(--text-dim);
}
.panel__body { padding: 0.875rem; }
.panel__footer { padding: 0.625rem 0.875rem; border-top: 1px solid var(--border); }
.panel__empty { padding: 2rem; text-align: center; color: var(--text-dim); font-size: 0.85rem; }
.panel--internal { border-color: var(--border-mid); }
.panel--internal .panel__header { background: var(--warning-dim); }
.panel--danger { border-color: var(--danger-dim); }
.panel--danger .panel__header { background: var(--danger-dim); }

/* --- Tables --- */
.app-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.app-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.app-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.app-table tr:last-child td { border-bottom: none; }
.app-table tr:hover td { background: var(--bg-elevated); }
.app-table__empty { text-align: center; color: var(--text-dim); padding: 1.5rem !important; }

/* --- Badges --- */
.badge {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}
.badge--sev-low { background: var(--bg-elevated); color: var(--text-muted); }
.badge--sev-normal { background: var(--accent-dim); color: var(--accent-bright); }
.badge--sev-high { background: var(--danger-dim); color: var(--danger); }
.badge--status-new { background: var(--accent-dim); color: var(--accent-bright); }
.badge--status-waiting_on_customer { background: var(--warning-dim); color: var(--warning); }
.badge--status-waiting_on_agent { background: var(--bg-elevated); color: var(--text-muted); }
.badge--status-in_development { background: var(--success-dim); color: var(--success); }
.badge--status-closed { background: var(--bg-elevated); color: var(--text-dim); }
.badge--channel-stable { background: var(--success-dim); color: var(--success); }
.badge--channel-beta { background: var(--accent-dim); color: var(--accent-bright); }
.badge--channel-dev { background: var(--warning-dim); color: var(--warning); }

/* --- Forms --- */
.app-input {
    width: 100%;
    padding: 0.4rem 0.6rem;
    background: var(--bg);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.85rem;
    font-family: inherit;
}
.app-input:focus {
    outline: none;
    border-color: var(--accent);
}
.app-form-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.app-form-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}
textarea.app-input { resize: vertical; font-family: var(--mono); }

.app-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.app-button:hover { background: var(--accent-bright); border-color: var(--accent-bright); text-decoration: none; }
.app-button--ghost {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border-mid);
}
.app-button--ghost:hover { background: var(--bg-elevated); color: var(--text); border-color: var(--border-mid); }
.app-button--danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.app-button--danger:hover { background: #f55; border-color: #f55; }
.app-button--sm { padding: 0.25rem 0.6rem; font-size: 0.78rem; }

.app-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}
.app-alert--danger { background: var(--danger-dim); color: var(--danger); border: 1px solid var(--danger); }
.app-alert--success { background: var(--success-dim); color: var(--success); border: 1px solid var(--success); }

/* --- Filters bar --- */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    align-items: center;
}
.filters-bar .app-input { width: auto; min-width: 120px; }

/* --- Login --- */
.login-wrap { max-width: 360px; margin: 0 auto; padding: 2rem 1.5rem; }
.login-brand { text-align: center; margin-bottom: 1.5rem; }
.login-brand__wordmark {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.login-brand__wordmark span { color: var(--accent-bright); }
.login-brand__sub {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.login-card {
    border: 1px solid var(--border-mid);
    border-radius: var(--radius);
    background: var(--bg-raised);
    overflow: hidden;
}
.login-card__header { padding: 0.625rem 0.875rem; border-bottom: 1px solid var(--border); background: var(--bg-elevated); }
.login-card__title { margin: 0; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.login-card__body { padding: 0.875rem; display: flex; flex-direction: column; gap: 0.65rem; }
.login-card__actions { padding-top: 0.25rem; }
.login-card__actions .app-button { width: 100%; justify-content: center; }

/* --- Ticket detail --- */
.ticket-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 1rem;
}
.ticket-header__actions { flex-shrink: 0; }
.ticket-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.ticket-meta__id { font-family: var(--mono); color: var(--text-dim); }
.ticket-meta__server { color: var(--text-muted); }

.ticket-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1rem;
    align-items: start;
}
@media (max-width: 900px) {
    .ticket-layout { grid-template-columns: 1fr; }
}
.ticket-main { min-width: 0; }
.ticket-sidebar { display: flex; flex-direction: column; gap: 1rem; }

.ticket-description {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: var(--mono);
    font-size: 0.82rem;
    line-height: 1.6;
}

.sidebar-form {
    padding: 0.625rem 0.875rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.kv-list {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.4rem 1rem;
    font-size: 0.82rem;
}
.kv-list dt { color: var(--text-muted); font-weight: 600; }
.kv-list dd { margin: 0; word-break: break-all; }

.history-list { list-style: none; margin: 0; padding: 0.625rem 0.875rem; }
.history-list li { padding: 0.3rem 0; font-size: 0.8rem; display: flex; align-items: center; gap: 0.4rem; }
.history-list__from { color: var(--text-dim); }
.history-list__time { margin-left: auto; color: var(--text-dim); }

.attachment-list { list-style: none; margin: 0; padding: 0.625rem 0.875rem; }
.attachment-list li { padding: 0.3rem 0; display: flex; align-items: center; gap: 0.5rem; }
.attachment-list__meta { color: var(--text-dim); font-size: 0.75rem; }

/* --- Comments --- */
.comment-thread { display: flex; flex-direction: column; gap: 0.75rem; }
.comment {
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--border-mid);
    background: var(--bg);
}
.comment--agent { border-left-color: var(--accent); }
.comment--customer { border-left-color: var(--warning); }
.comment--internal { border-left-color: var(--danger); background: var(--danger-dim); }
.comment__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}
.comment__author { font-weight: 600; font-size: 0.82rem; }
.comment__time { font-size: 0.72rem; color: var(--text-dim); }
.comment__body { white-space: pre-wrap; word-wrap: break-word; font-size: 0.85rem; }
.comment__empty { color: var(--text-dim); font-size: 0.82rem; text-align: center; padding: 1rem; }

.comment-form {
    padding: 0.625rem 0.875rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

/* --- Form grid --- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}
.form-grid__full { grid-column: 1 / -1; }
@media (max-width: 600px) {
    .form-grid { grid-template-columns: 1fr; }
}

/* --- Token display --- */
.token-display {
    display: block;
    margin: 0.5rem 0;
    padding: 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-sm);
    word-break: break-all;
    font-size: 0.82rem;
    user-select: all;
}

.config-snippet {
    margin: 0.5rem 0;
    padding: 0.6rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-sm);
    font-family: var(--mono);
    font-size: 0.8rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    user-select: all;
}

.hidden { display: none !important; }

/* --- Embed view --- */
.embed-body { background: var(--bg); }
.embed-main {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}
.embed-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}
.embed-back { margin-bottom: 0.5rem; }
.embed-more { text-align: center; margin-top: 1rem; }