:root {
    --bg-void: #0A0B0D;
    --bg-panel: #131519;
    --bg-panel-2: #1A1D22;
    --bg-input: #0E1013;
    --border: #24272E;
    --border-bright: #3A3F48;
    --text-primary: #E7E4DD;
    --text-secondary: #8D929B;
    --text-dim: #565B64;
    --amber: #FF9F1C;
    --amber-dim: #7A5116;
    --green: #3ED990;
    --red: #FF5C6C;
    --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --sans: 'IBM Plex Sans', -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    background: var(--bg-void);
    color: var(--text-primary);
    font-family: var(--mono);
    min-width: 1120px;
}

::selection {
    background: var(--amber-dim);
    color: #fff;
}

.shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 22px 28px 40px;
}

/* ── top bar ───────────────────────────── */
.topbar {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    padding-bottom: 14px;
    margin-bottom: 20px;
}

.topbar h1 {
    font-family: var(--mono);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: .04em;
    margin: 0;
    color: var(--text-primary);
}

.topbar h1 span {
    color: var(--amber);
}

.status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: .06em;
    text-transform: uppercase;
}

.status .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 3px rgba(62, 217, 144, 0.12);
    animation: pulse 2.4s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
    .status .dot {
        animation: none;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: .45;
    }
}

.status.err .dot {
    background: var(--red);
    box-shadow: 0 0 0 3px rgba(255, 92, 108, 0.12);
    animation: none;
}

/* ── control panel ─────────────────────── */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 16px 20px;
    display: flex;
    align-items: flex-end;
    gap: 32px;
    margin-bottom: 18px;
}

.field {
    position: relative;
}

.field label {
    display: block;
    font-size: 14px;
    color: var(--text-dim);
    letter-spacing: .09em;
    text-transform: uppercase;
    margin-bottom: 7px;
}

.term-input {
    font-family: var(--mono);
    background: var(--bg-input);
    border: 1px solid var(--border-bright);
    color: var(--text-primary);
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 2px;
    outline: none;
    min-width: 150px;
    text-align: left;
    cursor: pointer;
}

.term-input:hover {
    border-color: var(--amber-dim);
}

.term-input:focus {
    border-color: var(--amber);
}

input.term-input {
    cursor: text;
}

.field-suffix {
    display: flex;
    align-items: center;
    gap: 8px;
}

.field-suffix span {
    font-size: 12px;
    color: var(--text-dim);
}

.freq-badge {
    font-size: 16px;
    /* color: var(--text-dim); */
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: 2px;
    letter-spacing: .06em;
    height: 34px;
    display: flex;
    align-items: center;
}

.freq-badge b {
    color: var(--text-secondary);
    font-weight: 600;
    margin-left: 5px;
}

/* ── date picker dropdown ──────────────── */
.picker-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 50;
    background: var(--bg-panel-2);
    border: 1px solid var(--border-bright);
    border-radius: 3px;
    padding: 12px;
    width: 280px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
}

.picker-panel.hidden {
    display: none;
}

.picker-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-dim);
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    letter-spacing: .03em;
    flex-wrap: wrap;
}

.picker-breadcrumb .crumb {
    cursor: pointer;
    color: var(--text-secondary);
}

.picker-breadcrumb .crumb:hover {
    color: var(--amber);
}

.picker-breadcrumb .crumb.current {
    color: var(--amber);
    cursor: default;
}

.picker-breadcrumb .sep {
    color: var(--border-bright);
}

.picker-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.picker-grid button {
    font-family: var(--mono);
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 12px;
    padding: 8px 4px;
    border-radius: 2px;
    cursor: pointer;
    transition: border-color .1s, color .1s;
}

.picker-grid button:hover {
    border-color: var(--amber);
    color: var(--amber);
}

.picker-grid button.active {
    border-color: var(--amber);
    color: var(--amber);
    background: rgba(255, 159, 28, 0.08);
}

/* ── summary bar ───────────────────────── */
.summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 18px;
}

.stat {
    background: var(--bg-panel);
    padding: 14px 18px;
}

.stat .k {
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.stat .v {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: .01em;
}

.stat .v.pos {
    color: var(--green);
}

.stat .v.neg {
    color: var(--red);
}

.stat .v.neutral {
    color: var(--text-primary);
}

.stat .sub {
    font-size: 14px;
    /* color: var(--text-dim); */
    margin-top: 4px;
}

/* ── chart panel ───────────────────────── */
.chart-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 16px 20px 8px;
}

.chart-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.chart-panel-head h2 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: .06em;
    text-transform: uppercase;
    margin: 0;
}

.legend-note {
    font-size: 11px;
    color: var(--text-dim);
}

#chart {
    width: 100%;
    height: 460px;
}

.footnote {
    margin-top: 14px;
    font-size: 15px;
    color: var(--text-dim);
    line-height: 1.7;
}

.empty-state {
    padding: 80px 20px;
    text-align: center;
    color: var(--text-dim);
    font-size: 13px;
}

.empty-state b {
    color: var(--red);
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
}

.type {
    font-size: 17px;
    display: inline-block;
    margin-bottom: 20px;
    padding:5px 12px;
    border-radius: 5px;
    cursor: pointer;
    background-color: #4b4b4b;
    font-weight: 600;
}

.type-active {
    background-color: #008040d5;
    /* color: #000; */
}