/* ==========================================================================
   ChatGPT Status Monitor v2 — Light Monitoring Dashboard
   WCAG AA compliant · All hex values explicit
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

.csm {
    --csm-bg:        #f8f8fa;
    --csm-surface:   #ffffff;
    --csm-surface2:  #f3f3f6;
    --csm-border:    #e4e4e9;
    --csm-border-lt: #d4d4db;
    --csm-text:      #18181b;
    --csm-text2:     #3f3f46;
    --csm-text3:     #71717a;
    --csm-green:     #16a34a;
    --csm-green-bg:  #f0fdf4;
    --csm-green-bdr: #bbf7d0;
    --csm-green-txt: #15803d;
    --csm-amber:     #d97706;
    --csm-amber-bg:  #fffbeb;
    --csm-amber-bdr: #fde68a;
    --csm-amber-txt: #92400e;
    --csm-red:       #dc2626;
    --csm-red-bg:    #fef2f2;
    --csm-red-bdr:   #fecaca;
    --csm-red-txt:   #991b1b;
    --csm-blue:      #2563eb;
    --csm-blue-bg:   #eff6ff;
    --csm-blue-bdr:  #bfdbfe;
    --csm-blue-txt:  #1e40af;
    --csm-radius:    14px;
    --csm-radius-sm: 10px;
    --csm-font:      'Outfit', system-ui, -apple-system, sans-serif;
    --csm-mono:      'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
}

.csm, .csm * { box-sizing: border-box; margin: 0; padding: 0; }

.csm {
    font-family: var(--csm-font);
    color: var(--csm-text);
    background: var(--csm-bg);
    max-width: 880px;
    margin: 0 auto;
    padding: 32px 24px 48px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ========== HERO ========== */
.csm-hero {
    text-align: center;
    padding: 52px 24px 44px;
    border-radius: var(--csm-radius);
    border: 1px solid var(--csm-border);
    background: var(--csm-surface);
    position: relative;
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.02);
}

.csm-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
}

.csm-hero--ok::before    { background: var(--csm-green); }
.csm-hero--warn::before  { background: var(--csm-amber); }
.csm-hero--down::before  { background: var(--csm-red); }
.csm-hero--maint::before { background: var(--csm-blue); }
.csm-hero--load::before  { background: var(--csm-border); }

.csm-hero__beacon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px; height: 64px;
    border-radius: 50%;
    margin-bottom: 20px;
}

.csm-hero--ok .csm-hero__beacon    { background: var(--csm-green-bg); border: 1px solid var(--csm-green-bdr); }
.csm-hero--warn .csm-hero__beacon  { background: var(--csm-amber-bg); border: 1px solid var(--csm-amber-bdr); }
.csm-hero--down .csm-hero__beacon  { background: var(--csm-red-bg);   border: 1px solid var(--csm-red-bdr); }
.csm-hero--maint .csm-hero__beacon { background: var(--csm-blue-bg);  border: 1px solid var(--csm-blue-bdr); }
.csm-hero--load .csm-hero__beacon  { background: var(--csm-surface2); border: 1px solid var(--csm-border); }

.csm-hero__dot {
    display: block;
    width: 20px; height: 20px;
    border-radius: 50%;
    animation: csm-pulse 2s ease-in-out infinite;
}

.csm-hero--ok .csm-hero__dot    { background: var(--csm-green); box-shadow: 0 0 0 4px rgba(22,163,74,0.15); }
.csm-hero--warn .csm-hero__dot  { background: var(--csm-amber); box-shadow: 0 0 0 4px rgba(217,119,6,0.15); }
.csm-hero--down .csm-hero__dot  { background: var(--csm-red);   box-shadow: 0 0 0 4px rgba(220,38,38,0.15); animation: csm-pulse-fast 0.8s ease-in-out infinite; }
.csm-hero--maint .csm-hero__dot { background: var(--csm-blue);  box-shadow: 0 0 0 4px rgba(37,99,235,0.15); }
.csm-hero--load .csm-hero__dot  { background: var(--csm-text3); box-shadow: 0 0 0 4px rgba(113,113,122,0.1); animation: csm-spin 1.5s linear infinite; }

@keyframes csm-pulse { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.2);opacity:.7} }
@keyframes csm-pulse-fast { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.3);opacity:.6} }
@keyframes csm-spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }

.csm-hero__title { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; }
.csm-hero--ok .csm-hero__title    { color: var(--csm-green-txt); }
.csm-hero--warn .csm-hero__title  { color: var(--csm-amber-txt); }
.csm-hero--down .csm-hero__title  { color: var(--csm-red-txt); }
.csm-hero--maint .csm-hero__title { color: var(--csm-blue-txt); }
.csm-hero--load .csm-hero__title  { color: var(--csm-text3); }

.csm-hero__sub { font-family: var(--csm-mono); font-size: 13px; color: var(--csm-text3); margin-bottom: 4px; }
.csm-hero__sub strong { color: var(--csm-text2); font-weight: 600; }
.csm-hero__refresh { font-size: 12px; color: var(--csm-text3); opacity: 0.5; margin-top: 6px; }

/* ========== GRID ========== */
.csm-grid { display: grid; gap: 14px; margin-bottom: 24px; }
.csm-grid--2 { grid-template-columns: 1fr 1fr; }
.csm-grid--3 { grid-template-columns: repeat(3,1fr); }
.csm-grid--4 { grid-template-columns: repeat(4,1fr); }

.csm-card {
    background: var(--csm-surface);
    border: 1px solid var(--csm-border);
    border-radius: var(--csm-radius-sm);
    padding: 20px 22px;
    display: flex; flex-direction: column; gap: 10px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.csm-card__tag { font-size: 11px; font-weight: 600; color: var(--csm-text3); text-transform: uppercase; letter-spacing: 0.07em; }
.csm-card__val { font-family: var(--csm-mono); font-size: 16px; font-weight: 600; }

.csm-stat {
    background: var(--csm-surface);
    border: 1px solid var(--csm-border);
    border-radius: var(--csm-radius-sm);
    padding: 22px 16px; text-align: center;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.csm-stat__num { display: block; font-family: var(--csm-mono); font-size: 28px; font-weight: 700; letter-spacing: -0.02em; color: var(--csm-text); }
.csm-stat--good { color: var(--csm-green) !important; }
.csm-stat--mid  { color: var(--csm-amber) !important; }
.csm-stat--bad  { color: var(--csm-red) !important; }
.csm-stat__label { display: block; font-size: 11px; color: var(--csm-text3); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }

/* ========== STATUS COLORS ========== */
.csm-st--operational  { color: var(--csm-green); }
.csm-st--degraded, .csm-st--partial { color: var(--csm-amber); }
.csm-st--down         { color: var(--csm-red); }
.csm-st--maintenance  { color: var(--csm-blue); }
.csm-st--unknown, .csm-st--error { color: var(--csm-text3); }

/* ========== SECTIONS ========== */
.csm-section { margin-bottom: 28px; }
.csm-section__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 12px; }
.csm-section__title { font-size: 17px; font-weight: 700; color: var(--csm-text); letter-spacing: -0.01em; margin-bottom: 16px; }
.csm-section__head .csm-section__title { margin-bottom: 0; }
.csm-section__title--alert { color: var(--csm-red); }

/* ========== TABS ========== */
.csm-tabs { display: inline-flex; background: var(--csm-surface2); border: 1px solid var(--csm-border); border-radius: 8px; padding: 3px; gap: 2px; }
.csm-tab { font-family: var(--csm-mono); font-size: 12px; font-weight: 600; padding: 6px 16px; border: none; border-radius: 6px; cursor: pointer; color: var(--csm-text3); background: transparent; transition: all 0.15s ease; }
.csm-tab:hover { color: var(--csm-text2); background: var(--csm-surface); }
.csm-tab--active { color: var(--csm-text); background: var(--csm-surface); box-shadow: 0 1px 2px rgba(0,0,0,0.06); }

/* ========== CHART (HTML/CSS bars) ========== */
.csm-chart-wrap { background: var(--csm-surface); border: 1px solid var(--csm-border); border-radius: var(--csm-radius-sm); padding: 20px; box-shadow: 0 1px 2px rgba(0,0,0,0.03); transition: opacity 0.2s ease; }

.csm-bar-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 14px;
    font-family: var(--csm-mono);
    font-size: 12px;
    color: var(--csm-text3);
}

.csm-bar-header strong { color: var(--csm-text2); font-weight: 600; }

.csm-bars {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 200px;
    padding-bottom: 4px;
}

.csm-bar {
    flex: 1;
    min-width: 3px;
    border-radius: 3px 3px 0 0;
    position: relative;
    cursor: default;
    transition: opacity 0.15s ease;
}

.csm-bar:hover { opacity: 0.75; }

.csm-bar--ok   { background: var(--csm-green); opacity: 0.7; }
.csm-bar--warn { background: var(--csm-amber); opacity: 0.85; }
.csm-bar--down { background: var(--csm-red); opacity: 0.9; }

.csm-bar__val {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--csm-mono);
    font-size: 10px;
    font-weight: 600;
    color: var(--csm-text);
    background: var(--csm-surface);
    border: 1px solid var(--csm-border);
    border-radius: 4px;
    padding: 2px 6px;
    white-space: nowrap;
    margin-bottom: 4px;
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0,0,0,0.06);
}

.csm-bar:hover .csm-bar__val { display: block; }

.csm-bar-axis {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-family: var(--csm-mono);
    font-size: 11px;
    color: var(--csm-text3);
}

/* ========== TABLE ========== */
.csm-table-wrap { overflow-x: auto; border: 1px solid var(--csm-border); border-radius: var(--csm-radius-sm); box-shadow: 0 1px 2px rgba(0,0,0,0.03); }
.csm-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--csm-surface); }
.csm-table thead th { background: var(--csm-surface2); color: var(--csm-text3); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--csm-border); }
.csm-table tbody td { padding: 11px 16px; border-bottom: 1px solid var(--csm-surface2); color: var(--csm-text2); font-family: var(--csm-mono); font-size: 12px; }
.csm-table tbody tr:last-child td { border-bottom: none; }
.csm-table tbody tr:hover td { background: var(--csm-surface2); }
.csm-muted { color: var(--csm-text3); font-family: var(--csm-font); }

/* ========== BADGES ========== */
.csm-badge { display: inline-block; font-family: var(--csm-mono); font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 100px; line-height: 1.5; white-space: nowrap; }
.csm-badge--operational, .csm-badge--resolved { background: var(--csm-green-bg); color: var(--csm-green-txt); border: 1px solid var(--csm-green-bdr); }
.csm-badge--degraded, .csm-badge--partial, .csm-badge--monitoring, .csm-badge--identified { background: var(--csm-amber-bg); color: var(--csm-amber-txt); border: 1px solid var(--csm-amber-bdr); }
.csm-badge--down, .csm-badge--investigating { background: var(--csm-red-bg); color: var(--csm-red-txt); border: 1px solid var(--csm-red-bdr); }
.csm-badge--maintenance { background: var(--csm-blue-bg); color: var(--csm-blue-txt); border: 1px solid var(--csm-blue-bdr); }
.csm-badge--unknown, .csm-badge--error { background: var(--csm-surface2); color: var(--csm-text3); border: 1px solid var(--csm-border); }

/* ========== INCIDENTS LIST ========== */
.csm-incidents-list { display: flex; flex-direction: column; gap: 3px; }

.csm-incident-date {
    font-size: 12px; font-weight: 700; color: var(--csm-text3);
    text-transform: uppercase; letter-spacing: 0.05em;
    padding: 18px 0 8px; border-bottom: 1px solid var(--csm-border); margin-bottom: 3px;
}
.csm-incident-date:first-child { padding-top: 0; }

.csm-incident {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px; border-radius: var(--csm-radius-sm);
    background: var(--csm-surface); border: 1px solid var(--csm-border);
    text-decoration: none; color: inherit;
    transition: all 0.15s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}
.csm-incident:hover { border-color: var(--csm-border-lt); background: var(--csm-surface2); box-shadow: 0 2px 6px rgba(0,0,0,0.04); transform: translateX(2px); }

.csm-incident--active { border-color: var(--csm-red-bdr); border-left: 3px solid var(--csm-red); background: var(--csm-red-bg); }
.csm-incident--active:hover { border-color: var(--csm-red-bdr); border-left: 3px solid var(--csm-red); }

.csm-incident__dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.csm-incident__dot--live { background: var(--csm-red); box-shadow: 0 0 0 3px rgba(220,38,38,0.15); animation: csm-pulse-fast 1s ease-in-out infinite; }

.csm-incident__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.csm-incident__title { font-size: 14px; font-weight: 600; color: var(--csm-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.csm-incident__meta { font-size: 12px; color: var(--csm-text3); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.csm-incident__time { font-family: var(--csm-mono); font-size: 11px; }
.csm-incident__arrow { font-size: 16px; color: var(--csm-border-lt); flex-shrink: 0; transition: transform 0.15s ease; }
.csm-incident:hover .csm-incident__arrow { transform: translateX(3px); color: var(--csm-text3); }

.csm-incident__update {
    font-size: 12px;
    color: var(--csm-text3);
    line-height: 1.5;
    margin-top: 2px;
}

.csm-incident--critical { border-left: 3px solid var(--csm-red); }
.csm-incident--major    { border-left: 3px solid var(--csm-amber); }
.csm-incident--minor    { border-left: 3px solid var(--csm-border-lt); }

/* ========== EMPTY ========== */
.csm-empty { text-align: center; padding: 44px 24px; color: var(--csm-text3); font-size: 14px; background: var(--csm-surface); border: 1px dashed var(--csm-border); border-radius: var(--csm-radius-sm); }

/* ========== INLINE RT ========== */
.csm-rt { font-family: var(--csm-mono); font-weight: 600; color: var(--csm-green); }

/* ========== FAQ ACCORDION ========== */
.csm-faq { display: flex; flex-direction: column; gap: 4px; }

.csm-faq-item {
    background: var(--csm-surface);
    border: 1px solid var(--csm-border);
    border-radius: var(--csm-radius-sm);
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.csm-faq-item[open] {
    border-color: var(--csm-border-lt);
}

.csm-faq-q {
    padding: 18px 22px;
    font-size: 15px;
    font-weight: 600;
    color: var(--csm-text);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: background 0.15s ease;
    user-select: none;
}

.csm-faq-q:hover { background: var(--csm-surface2); }

.csm-faq-q::-webkit-details-marker { display: none; }
.csm-faq-q::marker { display: none; content: ''; }

.csm-faq-q::after {
    content: '+';
    font-size: 20px;
    font-weight: 400;
    color: var(--csm-text3);
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.csm-faq-item[open] .csm-faq-q::after {
    content: '−';
}

.csm-faq-a {
    padding: 0 22px 18px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--csm-text2);
}

.csm-faq-a p { margin: 0; }

/* ========== RESPONSIVE ========== */
@media (max-width: 680px) {
    .csm { padding: 16px 12px 32px; }
    .csm-hero { padding: 36px 16px 32px; }
    .csm-hero__title { font-size: 20px; }
    .csm-hero__beacon { width: 48px; height: 48px; }
    .csm-hero__dot { width: 16px; height: 16px; }
    .csm-grid--3, .csm-grid--4 { grid-template-columns: 1fr 1fr; }
    .csm-stat__num { font-size: 22px; }
    .csm-section__head { flex-direction: column; align-items: flex-start; }
    .csm-incident__title { white-space: normal; }
}
@media (max-width: 400px) {
    .csm-grid--2, .csm-grid--3, .csm-grid--4 { grid-template-columns: 1fr; }
}