/* Copilot Cowork Credit Chargeback - dark Microsoft Copilot theme.
   Base tokens adapted from the Copilot ROI Calculator reference, extended. */
:root {
    --copilot-blue: #4A9EF7;
    --copilot-cyan: #00D4FF;
    --copilot-purple: #A855F7;
    --copilot-orange: #F59E0B;
    --gray: #94A3B8;
    --light-gray: rgba(255, 255, 255, 0.06);
    --white: #0F172A;
    --green: #34D399;
    --amber: #F59E0B;
    --red: #F87171;
    --shadow: rgba(0, 0, 0, 0.4);
    --surface: #1E293B;
    --surface-raised: #253449;
    --border: rgba(255, 255, 255, 0.08);
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: #0B1120;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(74, 158, 247, 0.12), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(168, 85, 247, 0.08), transparent);
    min-height: 100vh;
}

.container { max-width: 1280px; margin: 0 auto; padding: 2rem; }

a { color: var(--copilot-cyan); }

/* ---------------- Header / landing ---------------- */
header {
    margin-bottom: 1.5rem;
    padding: 2rem;
    background: var(--surface);
    border-radius: 16px;
    box-shadow: 0 4px 24px var(--shadow);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
}
.header-content { display: flex; justify-content: center; align-items: center; gap: 2rem; }
.header-content > div { text-align: center; }
header h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--copilot-blue) 0%, var(--copilot-purple) 50%, var(--copilot-cyan) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 0.5rem; font-weight: 700;
}
.subtitle { font-size: 1.15rem; color: var(--text-secondary); }

.instructions-section {
    background: var(--surface); border-radius: 16px; padding: 2rem;
    box-shadow: 0 4px 24px var(--shadow); border: 1px solid var(--border); margin-bottom: 2rem;
}
.instructions-section h2 { color: var(--copilot-blue); font-size: 1.8rem; margin-bottom: 1.5rem; text-align: center; }

.step-card {
    display: flex; gap: 1.5rem; margin-bottom: 1.5rem; padding: 1.5rem;
    background: var(--surface-raised); border-radius: 12px; border-left: 4px solid var(--copilot-cyan);
}
.step-number {
    flex-shrink: 0; width: 44px; height: 44px; background: var(--copilot-blue); color: #fff;
    border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: bold;
}
.step-content h3 { color: var(--copilot-cyan); margin-bottom: 0.5rem; font-size: 1.3rem; }

/* ---------------- Info / privacy boxes ---------------- */
.info-box {
    background: rgba(0, 212, 255, 0.05); padding: 1rem; border-radius: 8px;
    border-left: 3px solid var(--copilot-cyan); margin-top: 1rem;
}
.info-box p { margin: 0; font-size: 0.95rem; line-height: 1.7; }
.info-box strong { color: var(--copilot-blue); }
.info-box small { color: var(--gray); }
.privacy-box {
    display: flex; gap: 1rem; align-items: flex-start;
    border-left-color: var(--green); background: rgba(52, 211, 153, 0.06); margin-bottom: 1.5rem;
}
.privacy-box svg { flex-shrink: 0; color: var(--green); margin-top: 0.15rem; }
.privacy-box strong { color: var(--green); }

/* ---------------- Upload ---------------- */
.upload-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.dz-label { display: block; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-primary); }
.upload-area {
    border: 2px dashed rgba(74, 158, 247, 0.4); border-radius: 12px; padding: 2rem; text-align: center;
    background: rgba(74, 158, 247, 0.05); transition: all 0.25s ease; cursor: pointer;
}
.upload-area:hover { border-color: var(--copilot-cyan); background: rgba(0, 212, 255, 0.08); box-shadow: 0 0 30px rgba(0, 212, 255, 0.1); }
.upload-area.dragover { border-color: var(--copilot-orange); background: rgba(245, 158, 11, 0.08); }
.upload-area.loaded { border-color: var(--green); background: rgba(52, 211, 153, 0.07); border-style: solid; }
.upload-area svg { color: var(--copilot-blue); margin-bottom: 0.75rem; }
.upload-area p { margin: 0.35rem 0; color: var(--gray); }
.dz-status { font-size: 0.9rem; font-weight: 600; color: var(--text-secondary) !important; }
.upload-area.loaded .dz-status { color: var(--green) !important; }

/* ---------------- Config ---------------- */
.config-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.config-item { display: flex; flex-direction: column; }
.config-item label { font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem; }
.config-item input, .config-item select {
    padding: 0.7rem; font-size: 1rem; border: 1px solid var(--border); border-radius: 8px;
    transition: all 0.25s ease; font-family: inherit; background-color: var(--surface-raised);
    color: var(--text-primary); width: 100%;
}
.config-item input:focus, .config-item select:focus { outline: none; border-color: var(--copilot-blue); }
.config-item small { margin-top: 0.3rem; font-size: 0.82rem; color: var(--gray); }

/* ---------------- Buttons ---------------- */
.btn-primary, .btn-secondary {
    padding: 0.8rem 2rem; font-size: 1rem; font-weight: 600; border: none; border-radius: 8px;
    cursor: pointer; transition: all 0.25s ease; font-family: inherit;
}
.btn-primary { background: linear-gradient(135deg, #4A9EF7, #A855F7); color: #fff; }
.btn-primary:hover:not(:disabled) { background: linear-gradient(135deg, #60B0FF, #B96EFF); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(74, 158, 247, 0.3); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-secondary { background: var(--surface-raised); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: rgba(74, 158, 247, 0.15); color: var(--copilot-cyan); }
.btn-gradient { background: linear-gradient(135deg, rgba(74,158,247,0.25), rgba(168,85,247,0.25)); border-color: rgba(74,158,247,0.4); color: var(--text-primary); }
.btn-gradient:hover { background: linear-gradient(135deg, rgba(74,158,247,0.4), rgba(168,85,247,0.4)); color: #fff; }
.landing-actions { display: flex; gap: 1rem; margin-top: 1.75rem; flex-wrap: wrap; }
.landing-error { margin-top: 1rem; color: var(--red); font-weight: 600; }

footer { text-align: center; padding: 2rem; color: var(--text-secondary); }
footer a { text-decoration: none; font-weight: 600; }
footer a:hover { text-decoration: underline; }

/* ---------------- Dashboard topbar ---------------- */
.topbar {
    position: sticky; top: 0; z-index: 50; display: flex; justify-content: space-between; align-items: center;
    gap: 1.5rem; padding: 1rem 2rem; background: rgba(30, 41, 59, 0.85);
    backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); box-shadow: 0 4px 24px var(--shadow);
}
.topbar-title { display: flex; align-items: center; gap: 1rem; }
.topbar-emoji { font-size: 2rem; }
.topbar-title h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--copilot-blue), var(--copilot-purple), var(--copilot-cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.topbar-sub { font-size: 0.9rem; color: var(--text-secondary); }
.topbar-actions { display: flex; gap: 0.75rem; }
.action-btn {
    display: flex; flex-direction: column; align-items: center; gap: 0.25rem; padding: 0.6rem 0.9rem;
    background: transparent; border: 1px solid rgba(74, 158, 247, 0.3); border-radius: 10px;
    color: var(--copilot-blue); cursor: pointer; transition: all 0.25s ease; font-family: inherit; min-width: 76px;
}
.action-btn:hover { background: rgba(74, 158, 247, 0.15); color: var(--copilot-cyan); transform: translateY(-2px); border-color: var(--copilot-blue); }
.action-icon { font-size: 1.4rem; }
.action-text { font-size: 0.75rem; font-weight: 600; }

.demo-banner {
    margin: 1rem 2rem 0; padding: 0.9rem 1.25rem; border-radius: 10px; text-align: center;
    background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.4); color: var(--amber);
    font-size: 0.95rem;
}

/* ---------------- Dashboard layout ---------------- */
.dash-layout { display: grid; grid-template-columns: 260px 1fr; gap: 1.5rem; align-items: start; animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

.slicer-rail {
    position: sticky; top: 88px; background: var(--surface); border: 1px solid var(--border);
    border-radius: 16px; padding: 1.5rem; box-shadow: 0 4px 24px var(--shadow);
}
.rail-title { color: var(--copilot-blue); margin-bottom: 1rem; font-size: 1.2rem; }
.slicer-rail .config-item { margin-bottom: 1.25rem; }
.cohort-toggles { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cohort-chip {
    padding: 0.3rem 0.7rem; border-radius: 999px; border: 1px solid var(--border);
    background: var(--surface-raised); color: var(--text-secondary); cursor: pointer; font-size: 0.8rem;
    transition: all 0.2s ease; font-family: inherit;
}
.cohort-chip.on { background: linear-gradient(135deg, rgba(74,158,247,0.3), rgba(168,85,247,0.3)); color: var(--text-primary); border-color: rgba(74,158,247,0.5); }
.rail-meta { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--text-secondary); }

.dash-main { min-width: 0; }
.tab-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tab-btn {
    padding: 0.6rem 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
    color: var(--text-secondary); cursor: pointer; transition: all 0.2s ease; font-family: inherit; font-size: 0.9rem;
}
.tab-btn:hover { color: var(--text-primary); border-color: rgba(74,158,247,0.4); }
.tab-btn.active { background: linear-gradient(135deg, rgba(74,158,247,0.25), rgba(168,85,247,0.25)); color: var(--text-primary); border-color: rgba(74,158,247,0.5); }

/* ---------------- View content ---------------- */
.view-title { color: var(--copilot-blue); font-size: 1.6rem; margin-bottom: 0.35rem; }
.view-desc { color: var(--text-secondary); margin-bottom: 1.5rem; }
.panel {
    background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem;
    box-shadow: 0 4px 24px var(--shadow); margin-bottom: 1.5rem;
}
.panel h3 { color: var(--copilot-blue); margin-bottom: 1rem; font-size: 1.2rem; }
.panel-note { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.75rem; }

.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.25rem; margin-bottom: 1.5rem; align-items: stretch; }
.metric-card {
    background: var(--surface); padding: 1.4rem; border-radius: 12px; box-shadow: 0 4px 20px var(--shadow);
    text-align: center; border: 1px solid var(--border); border-top: 3px solid var(--copilot-blue);
    transition: transform 0.25s ease; container-type: inline-size;
    display: flex; flex-direction: column; position: relative;
}
.metric-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(74, 158, 247, 0.15); }
.metric-card.accent-green { border-top-color: var(--green); }
.metric-card.accent-red { border-top-color: var(--red); }
.metric-card.accent-amber { border-top-color: var(--amber); }
.metric-value {
    font-size: clamp(1.2rem, 13cqi, 2.3rem); font-weight: bold;
    background: linear-gradient(135deg, var(--copilot-cyan), var(--copilot-blue));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin: 0.4rem 0; overflow-wrap: break-word; line-height: 1.2;
}
.metric-card.accent-green .metric-value { background: linear-gradient(135deg, var(--green), var(--copilot-cyan)); -webkit-background-clip: text; background-clip: text; }
.metric-card.accent-red .metric-value { background: linear-gradient(135deg, var(--red), var(--copilot-orange)); -webkit-background-clip: text; background-clip: text; }
.metric-label { font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; min-height: 2.6em; display: flex; align-items: center; justify-content: center; gap: 0.35rem; flex-wrap: wrap; }
.metric-sublabel { font-size: 0.8rem; color: var(--text-secondary); margin-top: auto; min-height: 2.4em; display: flex; align-items: center; justify-content: center; }

/* --- metric info tooltips: hover/focus reveals a definition + the math --- */
.metric-info { display:inline-flex; align-items:center; justify-content:center; width:1.05rem;
  height:1.05rem; border-radius:50%; border:1px solid var(--border); color:var(--text-secondary);
  font-size:0.72rem; line-height:1; cursor:help; position:relative; flex:0 0 auto; user-select:none;
  text-transform:none; letter-spacing:normal; }
.metric-info:hover, .metric-info:focus { color:var(--copilot-cyan); border-color:var(--copilot-cyan);
  outline:none; }
.metric-tip { position:fixed; right:1.5rem; bottom:1.5rem; left:auto; top:auto;
  transform:translateY(6px); width:340px; max-width:calc(100vw - 3rem); padding:0.85rem 1rem;
  border-radius:12px; background:var(--surface-raised); color:var(--text-primary);
  border:1px solid var(--copilot-cyan); box-shadow:0 16px 44px rgba(0,0,0,0.55); font-size:0.82rem;
  line-height:1.45; font-weight:normal; text-transform:none; letter-spacing:normal; text-align:left;
  opacity:0; visibility:hidden; transition:opacity 0.15s ease, transform 0.15s ease; z-index:9999;
  pointer-events:none; }
.metric-tip::after { content:none; }
.metric-info:hover .metric-tip, .metric-info:focus .metric-tip { opacity:1; visibility:visible;
  transform:translateY(0); }

/* ---------------- Tables ---------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
    background: rgba(74, 158, 247, 0.12); color: var(--copilot-blue); padding: 0.8rem 1rem; text-align: left;
    font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap;
}
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { background: rgba(74, 158, 247, 0.2); }
th.num, td.num { text-align: right; }
td { padding: 0.7rem 1rem; border-bottom: 1px solid var(--border); color: var(--text-primary); }
tbody tr:hover { background: rgba(74, 158, 247, 0.06); }
.status-under { color: var(--green); font-weight: 600; }
.status-near { color: var(--amber); font-weight: 600; }
.status-over { color: var(--red); font-weight: 600; }
.cell-under { background: rgba(52, 211, 153, 0.12); }
.cell-near { background: rgba(245, 158, 11, 0.14); }
.cell-over { background: rgba(248, 113, 113, 0.14); }
.star { color: var(--copilot-orange); }

.search-box {
    width: 100%; max-width: 340px; padding: 0.6rem 0.9rem; margin-bottom: 1rem;
    background: var(--surface-raised); border: 1px solid var(--border); border-radius: 8px;
    color: var(--text-primary); font-family: inherit; font-size: 0.95rem;
}
.search-box:focus { outline: none; border-color: var(--copilot-blue); }
.row-note { color: var(--text-secondary); font-size: 0.85rem; margin-top: 0.75rem; }

/* ---------------- Charts (inline SVG) ---------------- */
.chart-svg { width: 100%; height: auto; display: block; }
.chart-svg .bar-label { fill: var(--text-secondary); font-size: 12px; font-family: 'Segoe UI', sans-serif; }
.chart-svg .val-label { fill: var(--text-primary); font-size: 12px; font-weight: 600; font-family: 'Segoe UI', sans-serif; }
.chart-svg .axis-line { stroke: var(--border); stroke-width: 1; }

/* ---------------- Glossary ---------------- */
.glossary-table td:first-child { white-space: nowrap; width: 1%; color: var(--copilot-cyan); vertical-align: top; padding-right: 1.5rem; font-weight: 600; }
.glossary-table td { padding: 0.7rem 1rem; font-size: 0.92rem; line-height: 1.6; }

@media (max-width: 900px) {
    .dash-layout { grid-template-columns: 1fr; }
    .slicer-rail { position: static; }
    .topbar { flex-direction: column; align-items: stretch; }
}

.version-tag { display: inline-block; font-size: 0.7rem; font-weight: 700; vertical-align: middle; margin-left: 0.5rem; padding: 0.1rem 0.5rem; border-radius: 999px; background: rgba(0,212,255,0.15); color: var(--copilot-cyan); letter-spacing: 0.04em; }

.cap-input { width: 92px; padding: 0.25rem 0.4rem; font: inherit; text-align: right; color: var(--text-primary); background: var(--surface-raised); border: 1px solid var(--border); border-radius: 6px; }
.cap-input:focus { outline: none; border-color: var(--copilot-blue); }