/* LTNC(LongTimeNoC) — 앱 커스텀 스타일 (다크 고정) */

/* fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@100..900&display=swap');


/* ── LTNC 공통 스타일 토큰 (CONTRACT.md — 모든 lane 동일 변수) ── */
:root {
    --ltnc-bg: #101216;
    --ltnc-card: #1a1d23;
    --ltnc-text: #e8eaed;
    --ltnc-dim: #9aa0a6;
    --ltnc-accent: #ff9500;
    --ltnc-ok: #34c759;
    --ltnc-warn: #ffb020;
    --ltnc-crit: #ff4d4f;
}


/* ── 베이스 (다크 고정 — 스플래시 포함 즉시 적용 리터럴) ── */
body {
    --common-bg-color: #101216;

    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--ltnc-bg);
    color: var(--ltnc-text);
}

body[data-dark-mode="1"] {
    --common-bg-color: #101216;
}

main { font-family: 'Noto Sans KR', sans-serif; }
main button, main input, main textarea { font-family: 'Noto Sans KR', sans-serif; }


/* ── 앱바 ── */
.ltnc_app_title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--ltnc-text);
}
.ltnc_app_title .ltnc_accent { color: var(--ltnc-accent); }

.ltnc_conn_badge {
    align-self: center;
    margin-right: 6px;
}


/* ── 대시보드 ── */
.ltnc_dash_head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
    padding: 18px 18px 4px;
}
.ltnc_dash_head h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: var(--ltnc-text);
}
.ltnc_dash_desc { font-size: 13px; color: var(--ltnc-dim); }

/* 보기 모드 토글 버튼 (카드 ↔ 차트 펼침) — 헤더 우측 정렬 */
.ltnc_view_toggle {
    margin-left: auto;
    padding: 6px 14px;
    border: 1px solid var(--ltnc-dim);
    border-radius: 999px;
    background: transparent;
    color: var(--ltnc-text);
    font-size: 13px;
    cursor: pointer;
    transition: border-color .15s, color .15s, background .15s;
}
.ltnc_view_toggle:hover { border-color: var(--ltnc-accent); color: var(--ltnc-accent); }
.ltnc_view_toggle[data-active="1"] {
    border-color: var(--ltnc-accent);
    background: color-mix(in srgb, var(--ltnc-accent) 14%, transparent);
    color: var(--ltnc-accent);
}

/* 차트 컨트롤 바 (구간/범위/높이) — 펼침 모드 전용 */
.ltnc_dash_controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    padding: 8px 18px 0;
}
.ltnc_ctl_group {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}
.ltnc_ctl_label {
    font-size: 12px;
    color: var(--ltnc-dim);
    margin-right: 2px;
}
.ltnc_ctl_group button {
    padding: 4px 10px;
    border: 1px solid color-mix(in srgb, var(--ltnc-dim) 45%, transparent);
    border-radius: 8px;
    background: transparent;
    color: var(--ltnc-text);
    font-size: 12px;
    cursor: pointer;
    transition: border-color .15s, color .15s, background .15s;
}
.ltnc_ctl_group button:hover { border-color: var(--ltnc-accent); color: var(--ltnc-accent); }
.ltnc_ctl_group button[data-active="1"] {
    border-color: var(--ltnc-accent);
    background: color-mix(in srgb, var(--ltnc-accent) 16%, transparent);
    color: var(--ltnc-accent);
    font-weight: 600;
}

.ltnc_server_grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
    padding: 14px 18px 28px;
}
/* cards 모드: 서버 섹션 래퍼를 그리드에 투명화 — 카드가 그리드 셀 그대로 */
.ltnc_server_grid[data-view="cards"] .ltnc_server_section { display: contents; }
.ltnc_server_grid[data-view="cards"] .ltnc_inline_charts { display: none; }

/* expanded 모드: 서버별 섹션(카드 + 미니 차트 스트립) 세로 나열 */
.ltnc_server_grid[data-view="expanded"] {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.ltnc_server_grid[data-view="expanded"] .ltnc_server_section {
    background: color-mix(in srgb, var(--ltnc-card) 55%, transparent);
    border: 1px solid color-mix(in srgb, var(--ltnc-dim) 22%, transparent);
    border-radius: 14px;
    padding: 12px;
}
.ltnc_inline_charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px;
    margin-top: 10px;
}
.ltnc_inline_cell {
    background: var(--ltnc-card);
    border-radius: 10px;
    padding: 8px 10px 6px;
    min-width: 0;             /* 그리드 셀 내 uPlot 축소 허용 */
}
.ltnc_inline_cell > h4 {
    margin: 0 0 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ltnc-dim);
}
@media (max-width: 560px) {
    .ltnc_inline_charts { grid-template-columns: 1fr 1fr; }
}
.ltnc_grid_empty {
    grid-column: 1 / -1;
    padding: 48px 0;
    text-align: center;
    color: var(--ltnc-dim);
    font-size: 14px;
}


/* ── 서버 상세 ── */
.ltnc_detail_bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 14px 16px 6px;
    border-bottom: 1px solid rgba(154, 160, 166, 0.15);
}
.ltnc_detail_title { display: flex; align-items: baseline; gap: 10px; flex: 1 1 auto; min-width: 0; }
.ltnc_detail_title h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--ltnc-accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ltnc_detail_host { font-size: 12px; color: var(--ltnc-dim); }

.ltnc_range_set { display: flex; gap: 6px; }
.ltnc_range_set button {
    padding: 5px 12px;
    border: 1px solid rgba(154, 160, 166, 0.35);
    border-radius: 14px;
    background: transparent;
    color: var(--ltnc-dim);
    font-size: 12px;
    cursor: pointer;
}
.ltnc_range_set button[data-active="1"] {
    border-color: var(--ltnc-accent);
    color: var(--ltnc-accent);
    font-weight: 700;
}

.ltnc_chart_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 14px;
    padding: 14px 16px 28px;
}
.ltnc_chart_cell {
    background: var(--ltnc-card);
    border: 1px solid rgba(154, 160, 166, 0.12);
    border-radius: 10px;
    padding: 10px 12px 6px;
    min-width: 0;
}
.ltnc_chart_cell > h3 {
    margin: 0 0 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ltnc-dim);
}
.ltnc_chart_mount { position: relative; width: 100%; }
.ltnc_charts_unavailable {
    grid-column: 1 / -1;
    padding: 40px 0;
    text-align: center;
    color: var(--ltnc-warn);
    font-size: 14px;
}


/* ── 메인 메뉴 ── */
.ltnc_menu { padding: 18px 16px; }
.ltnc_menu_brand { display: flex; align-items: center; gap: 12px; }
.ltnc_menu_brand img { width: 48px; height: 48px; border-radius: 12px; }
.ltnc_menu_brand strong { display: block; font-size: 17px; color: var(--ltnc-text); }
.ltnc_menu_brand span { font-size: 12px; color: var(--ltnc-dim); }
.ltnc_menu_note { margin-top: 16px; font-size: 13px; line-height: 1.55; color: var(--ltnc-text); }
.ltnc_menu_note .dim { color: var(--ltnc-dim); }