:root{--background:#f5f7fb;--surface:#fff;--surface-muted:#eef3f7;--ink:#18212f;--muted:#627084;--line:#dfe6ef;--teal:#0f766e;--teal-soft:#d9f3ef;--amber:#b45309;--amber-soft:#fff3d6;--rose:#be123c;--shadow:0 18px 55px #19233717}*{box-sizing:border-box}html{background:var(--background);min-width:320px}body{background:var(--background);min-height:100vh;color:var(--ink);letter-spacing:0;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}a{color:inherit}.platform-shell{min-height:100vh}.sidebar{z-index:20;border-right:1px solid var(--line);background:#fff;flex-direction:column;width:280px;padding:22px 16px;display:flex;position:fixed;inset:0 auto 0 0;box-shadow:12px 0 40px #1923370f}.sidebar__brand{gap:6px;margin-bottom:28px;display:grid}.sidebar__brand strong{font-size:1.35rem;line-height:1}.sidebar__section-title{color:var(--muted);text-transform:uppercase;margin-bottom:10px;font-size:.78rem;font-weight:850}.dashboard-nav{gap:8px;padding-right:4px;display:grid;overflow-y:auto}.dashboard-nav__item{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;gap:8px;padding:12px;display:grid}.dashboard-nav__item:hover,.dashboard-nav__item--active{border-color:var(--line);background:var(--surface-muted)}.dashboard-nav__item strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.platform-badge{border-radius:999px;align-items:center;width:fit-content;min-height:24px;padding:0 9px;font-size:.74rem;font-weight:850;display:inline-flex}.platform-badge--meta{color:#1d4ed8;background:#dbeafe}.platform-badge--google,.platform-badge--ga4,.platform-badge--search{color:#15803d;background:#dcfce7}.platform-badge--linkedin{color:#0369a1;background:#e0f2fe}.platform-badge--tiktok{color:#b91c1c;background:#fee2e2}.create-dashboard-button{border:1px dashed var(--teal);background:var(--teal-soft);width:100%;min-height:44px;color:var(--teal);cursor:pointer;border-radius:8px;margin-top:auto;font-weight:850}.dashboard-shell{width:min(1480px,100%);margin:0 auto;padding:32px}.dashboard-shell--with-sidebar{width:calc(100% - 280px);max-width:none;margin:0 0 0 280px}.dashboard-header{justify-content:space-between;align-items:flex-start;gap:24px;padding:32px 0 28px;display:flex}.dashboard-header h1{letter-spacing:0;margin:6px 0 8px;font-size:clamp(2rem,3vw,3.35rem);line-height:1}.dashboard-header p{max-width:680px;color:var(--muted);margin:0;font-size:1rem;line-height:1.6}.dashboard-header__meta{color:var(--muted);white-space:nowrap;align-items:center;gap:12px;font-size:.9rem;display:flex}.eyebrow{color:var(--teal);letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;font-weight:800}.button{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;min-height:42px;padding:0 14px;font-weight:750;text-decoration:none;transition:border-color .16s,background .16s,color .16s,transform .16s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button--primary{background:var(--ink);color:#fff}.button--ghost{border-color:var(--line);color:var(--ink);background:#fff}.import-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.upload-panel{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;padding:20px;display:grid}.upload-panel h2{margin:0 0 6px;font-size:1rem}.upload-panel p{color:var(--muted);margin:0;font-size:.9rem;line-height:1.45}.upload-panel input[type=file]{clip:rect(0, 0, 0, 0);width:1px;height:1px;position:absolute;overflow:hidden}.upload-panel__actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.upload-panel__file{color:var(--muted);overflow-wrap:anywhere;grid-column:1/-1;font-size:.84rem}.source-summary{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px;display:grid}.source-summary div{border:1px solid var(--line);background:var(--surface-muted);border-radius:8px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 16px;display:grid}.source-summary span{min-width:0;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.source-summary small{color:var(--muted);font-weight:700}.warnings{gap:8px;margin-top:18px;display:grid}.warnings p{border-left:4px solid var(--amber);background:var(--amber-soft);color:#6f3b00;border-radius:8px;margin:0;padding:12px 14px}.metrics-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:24px;display:grid}.filter-bar{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;padding:12px;display:flex}.filter-bar span{color:var(--muted);text-transform:uppercase;font-size:.84rem;font-weight:850}.filter-chip{border:1px solid var(--line);min-height:36px;color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;padding:0 12px;font-weight:750}.filter-chip--active{border-color:var(--teal);background:var(--teal-soft);color:var(--teal)}.metric-card{border:1px solid var(--line);background:var(--surface);min-height:142px;box-shadow:var(--shadow);border-radius:8px;padding:18px}.metric-card--positive{border-color:#bce5dd}.metric-card--warning{border-color:#f5d08c}.metric-card__label,.metric-card__detail{color:var(--muted);font-size:.84rem;line-height:1.35;display:block}.metric-card__label{text-transform:uppercase;min-height:34px;font-weight:800}.metric-card__value{overflow-wrap:anywhere;margin:14px 0 10px;font-size:clamp(1.55rem,2vw,2.25rem);line-height:1;display:block}.metric-card__body{margin-top:12px}.manual-conversions{gap:10px;display:grid}.manual-conversions span,.manual-conversions label{color:var(--muted);font-size:.78rem;font-weight:750}.manual-conversions label{gap:6px;display:grid}.manual-conversions input{border:1px solid var(--line);width:100%;min-height:38px;color:var(--ink);background:#fff;border-radius:8px;outline:none;padding:0 10px}.manual-conversions input:focus{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-soft)}.table-section{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;margin-top:24px}.table-section__header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:18px;display:flex}.table-section h2{margin:0 0 4px;font-size:1.05rem}.table-section p{color:var(--muted);margin:0;font-size:.9rem}.search-input{border:1px solid var(--line);width:min(320px,100%);min-height:42px;color:var(--ink);background:#fff;border-radius:8px;outline:none;padding:0 12px}.search-input:focus{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-soft)}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:1420px}.media-table{min-width:1680px}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:13px 16px;font-size:.9rem}th{color:var(--muted);text-transform:uppercase;background:#f8fafc;font-size:.75rem;font-weight:850}td{color:#263243}tbody tr:hover{background:#fbfcfe}.table-empty{color:var(--muted);text-align:center;padding:42px 16px}.modal-backdrop{z-index:40;background:#18212f61;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.modal{border:1px solid var(--line);background:#fff;border-radius:8px;width:min(520px,100%);padding:22px;box-shadow:0 24px 80px #18212f38}.modal__header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.modal__header h2{margin:4px 0 0}.modal__close{border:1px solid var(--line);width:36px;height:36px;color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;place-items:center;font-weight:850;display:inline-grid}.dashboard-form{gap:14px;display:grid}.dashboard-form label{color:var(--muted);gap:7px;font-size:.84rem;font-weight:800;display:grid}.dashboard-form input,.dashboard-form select{border:1px solid var(--line);min-height:44px;color:var(--ink);background:#fff;border-radius:8px;outline:none;padding:0 12px}.dashboard-form input:focus,.dashboard-form select:focus{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-soft)}.modal__actions{justify-content:flex-end;gap:10px;margin-top:4px;display:flex}.empty-state{text-align:center;place-items:center;min-height:100vh;display:grid}@media (max-width:1100px){.metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:900px){.sidebar{border-right:0;border-bottom:1px solid var(--line);width:100%;min-height:auto;position:static}.dashboard-shell--with-sidebar{width:100%;margin:0}.dashboard-shell{padding:22px}.dashboard-header,.table-section__header{flex-direction:column;align-items:stretch}.dashboard-header__meta{white-space:normal;justify-content:space-between}.import-grid,.source-summary,.upload-panel{grid-template-columns:1fr}.upload-panel__actions{justify-content:flex-start}.metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:560px){.dashboard-shell{padding:16px}.dashboard-header h1{font-size:2.2rem}.dashboard-header__meta,.source-summary div{grid-template-columns:1fr;align-items:stretch}.metrics-grid{grid-template-columns:1fr}}