:root {
    --fv-blue: #2563eb;
    --fv-blue-dark: #1d4ed8;
    --fv-bg: #f6f8fc;
    --fv-card: #fff;
    --fv-text: #182230;
    --fv-muted: #667085;
    --fv-border: #e4e7ec;
}

.hidden { display: none !important; }

.excel-search-page {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 56px 0 90px;
    color: var(--fv-text);
}

.search-hero {
    max-width: 780px;
    margin: 0 auto 34px;
    text-align: center;
}

.eyebrow {
    display: inline-block;
    color: var(--fv-blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.4px;
}

.search-hero h1 {
    margin: 12px 0;
    font-size: clamp(36px, 6vw, 64px);
    line-height: 1.05;
    letter-spacing: -2px;
}

.search-hero h1 span { color: var(--fv-blue); }

.search-hero p {
    margin: 0;
    color: var(--fv-muted);
    font-size: 18px;
    line-height: 1.6;
}

.search-upload-card,
.search-workspace {
    background: var(--fv-card);
    border: 1px solid var(--fv-border);
    border-radius: 22px;
    box-shadow: 0 12px 40px rgba(16, 24, 40, .06);
}

.search-upload-card { padding: 24px; }

.search-dropzone {
    min-height: 330px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 32px;
    text-align: center;
    border: 2px dashed #bfd0f5;
    border-radius: 18px;
    background: linear-gradient(180deg, #fbfdff, #f5f8ff);
    cursor: pointer;
    transition: .2s ease;
}

.search-dropzone:hover,
.search-dropzone.drag {
    border-color: var(--fv-blue);
    background: #eff6ff;
    transform: translateY(-1px);
}

.search-dropzone input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.search-drop-icon {
    width: 66px;
    height: 66px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: #dbeafe;
    color: var(--fv-blue);
    font-size: 32px;
    font-weight: 800;
}

.search-dropzone strong { font-size: 20px; }
.search-dropzone span,
.search-dropzone small { color: var(--fv-muted); }

.selected-search-file {
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: 16px;
    padding: 13px 16px;
    border-radius: 12px;
    background: #f8fafc;
}
.selected-search-file.visible { display: flex; }
.selected-search-file span { color: var(--fv-muted); font-size: 14px; }

.search-progress {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
    color: var(--fv-muted);
}

.search-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #bfdbfe;
    border-top-color: var(--fv-blue);
    border-radius: 50%;
    animation: fvspin .7s linear infinite;
}
@keyframes fvspin { to { transform: rotate(360deg); } }

.search-workspace { padding: 26px; }

.dataset-bar,
.global-search-row,
.results-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.dataset-bar { padding-bottom: 24px; border-bottom: 1px solid var(--fv-border); }
.dataset-label { color: var(--fv-blue); font-size: 11px; font-weight: 800; letter-spacing: 1px; }
.dataset-bar h2 { margin: 4px 0; font-size: 25px; }
.dataset-bar p { margin: 0; color: var(--fv-muted); }

.dataset-actions,
.toolbar-right { display: flex; gap: 10px; align-items: center; }

.global-search-row { margin: 24px 0 18px; }
.global-search-box {
    flex: 1;
    min-height: 54px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
    border: 1px solid var(--fv-border);
    border-radius: 13px;
    background: #fff;
}
.global-search-box:focus-within { border-color: var(--fv-blue); box-shadow: 0 0 0 4px rgba(37,99,235,.08); }
.global-search-box span { color: var(--fv-muted); font-size: 22px; }
.global-search-box input { width: 100%; border: 0; outline: 0; font-size: 16px; }

.primary-button,
.secondary-button {
    min-height: 44px;
    padding: 0 15px;
    border-radius: 11px;
    font-weight: 700;
    cursor: pointer;
}
.primary-button { color: #fff; border: 1px solid var(--fv-blue); background: var(--fv-blue); }
.primary-button:hover { background: var(--fv-blue-dark); }
.secondary-button { color: var(--fv-text); border: 1px solid var(--fv-border); background: #fff; }
.secondary-button:hover { background: #f8fafc; }
.secondary-button.danger { color: #b42318; }

.filters-panel {
    margin-bottom: 22px;
    padding: 18px;
    border: 1px solid var(--fv-border);
    border-radius: 15px;
    background: #fafbfc;
}
.filters-panel summary { cursor: pointer; font-weight: 750; }
.dynamic-filters {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}
.dynamic-filter { display: flex; flex-direction: column; gap: 6px; }
.dynamic-filter > span { font-size: 13px; font-weight: 700; color: #475467; }
.dynamic-filter input {
    width: 100%;
    height: 42px;
    padding: 0 11px;
    border: 1px solid var(--fv-border);
    border-radius: 9px;
    outline: none;
}
.dynamic-filter input:focus { border-color: var(--fv-blue); }
.number-filter { display: grid; grid-template-columns: 1fr 1fr; }
.number-filter > span { grid-column: 1 / -1; }

.results-toolbar { margin: 20px 0 12px; }
.toolbar-right label { color: var(--fv-muted); font-size: 14px; }
.toolbar-right select { height: 36px; border: 1px solid var(--fv-border); border-radius: 8px; }

.results-card {
    border: 1px solid var(--fv-border);
    border-radius: 15px;
    overflow: hidden;
}
.table-wrap { overflow: auto; max-height: 65vh; }
#results-table { width: 100%; border-collapse: collapse; min-width: 720px; background: #fff; }
#results-table th,
#results-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--fv-border); font-size: 14px; white-space: nowrap; }
#results-table th { position: sticky; top: 0; z-index: 1; background: #f8fafc; }
#results-table tbody tr:hover { background: #f8fbff; }
.sort-button { padding: 0; border: 0; background: transparent; font-weight: 750; cursor: pointer; color: var(--fv-text); }

.empty-results { padding: 50px 20px; text-align: center; color: var(--fv-muted); }
.pagination { display: flex; justify-content: center; gap: 6px; padding: 16px; background: #fff; }
.pagination button {
    min-width: 36px;
    height: 36px;
    border: 1px solid var(--fv-border);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
}
.pagination .active-page { color: #fff; background: var(--fv-blue); border-color: var(--fv-blue); }
.pagination button:disabled { opacity: .45; cursor: default; }

.search-error {
    margin-top: 20px;
    padding: 15px 18px;
    color: #991b1b;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 12px;
}

@media (max-width: 850px) {
    .dynamic-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dataset-bar,
    .global-search-row,
    .results-toolbar { align-items: stretch; flex-direction: column; }
    .dataset-actions,
    .toolbar-right { flex-wrap: wrap; }
}

@media (max-width: 560px) {
    .excel-search-page { width: min(100% - 20px, 1180px); padding-top: 30px; }
    .search-workspace,
    .search-upload-card { padding: 13px; border-radius: 16px; }
    .search-dropzone { min-height: 250px; padding: 20px; }
    .dynamic-filters { grid-template-columns: 1fr; }
    .global-search-row .primary-button,
    .global-search-row .secondary-button { width: 100%; }
}