:root {
    --brand: #c0392b;
    --brand-lt: #e74c3c;
    --brand-bg: #fff5f5;
    --accent: #f1bb51;
    --dark: #1a1a2e;
    --mid: #4a4a6a;
    --line: #eaeaea;
    --radius: 10px;
    --shadow: 0 4px 20px rgba(0,0,0,.08);
}

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

body {
    background: #f4f4f8;
    font-family: 'Segoe UI', sans-serif;
    color: var(--dark);
}

/* Page shell */
.srch-page {
    max-width: 960px;
    margin: 86px auto 60px;
    padding: 0 16px;
}

/* Hero */
.srch-hero {
    background: linear-gradient(135deg, var(--brand) 0%, #8e1a12 100%);
    border-radius: 14px;
    padding: 32px 36px;
    color: #fff;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}

    .srch-hero::after {
        content: '\f0d0';
        font-family: FontAwesome;
        position: absolute;
        right: 36px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 80px;
        opacity: .08;
    }

    .srch-hero h1 {
        font-size: 1.75rem;
        font-weight: 700;
        margin-bottom: 4px;
    }

    .srch-hero p {
        font-size: .92rem;
        opacity: .82;
    }

/* Keyword row */
.srch-keyword {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
}

    .srch-keyword input {
        flex: 1;
        border: 2px solid var(--line);
        border-radius: var(--radius);
        padding: 12px 18px;
        font-size: .97rem;
        outline: none;
        transition: border-color .2s;
        background: #fff;
    }

        .srch-keyword input:focus {
            border-color: var(--brand);
        }

    .srch-keyword .btn-kw-search {
        background: var(--brand);
        color: #fff;
        border: none;
        border-radius: var(--radius);
        padding: 12px 28px;
        font-size: .97rem;
        font-weight: 600;
        cursor: pointer;
        transition: background .2s;
        white-space: nowrap;
    }

        .srch-keyword .btn-kw-search:hover {
            background: var(--brand-lt);
        }

/* Filter accordion */
.filter-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 14px;
    overflow: hidden;
}

.filter-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 22px;
    cursor: pointer;
    user-select: none;
    border-bottom: 2px solid transparent;
    transition: border-color .2s, background .2s;
}

    .filter-head:hover {
        background: var(--brand-bg);
    }

    .filter-head.open {
        border-bottom-color: var(--brand);
    }

.fh-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--brand-bg);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    flex-shrink: 0;
}

.fh-label {
    flex: 1;
    font-weight: 600;
    font-size: .97rem;
}

.fh-badge {
    background: var(--brand);
    color: #fff;
    border-radius: 20px;
    padding: 1px 9px;
    font-size: .72rem;
    font-weight: 700;
    display: none;
}

    .fh-badge.show {
        display: inline-block;
    }

.fh-caret {
    color: var(--mid);
    transition: transform .25s;
    font-size: .8rem;
}

.filter-head.open .fh-caret {
    transform: rotate(180deg);
}

.filter-body {
    display: none;
    padding: 20px 22px 24px;
}

    .filter-body.open {
        display: block;
    }

/* Field grid */
.frow {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

    .frow.two {
        grid-template-columns: 1fr 1fr;
    }

    .frow.three {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .frow.four {
        grid-template-columns: 1fr 1fr 1fr 1fr;
    }

.fgroup {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

    .fgroup label {
        font-size: .78rem;
        font-weight: 600;
        color: var(--mid);
        text-transform: uppercase;
        letter-spacing: .04em;
    }

    .fgroup select,
    .fgroup input[type="text"],
    .fgroup input[type="number"] {
        border: 1.5px solid var(--line);
        border-radius: 8px;
        padding: 9px 12px;
        font-size: .88rem;
        color: var(--dark);
        background: #fff;
        outline: none;
        width: 100%;
        transition: border-color .2s;
        -webkit-appearance: none;
    }

        .fgroup select:focus,
        .fgroup input:focus {
            border-color: var(--brand);
        }

/* Range pair */
.range-pair {
    display: flex;
    align-items: center;
    gap: 8px;
}

    .range-pair input {
        flex: 1;
    }

    .range-pair .rp-to {
        font-size: .78rem;
        color: var(--mid);
        white-space: nowrap;
    }

/* Checkbox pills */
.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

    .pill-group input[type="checkbox"] {
        display: none;
    }

    .pill-group label {
        border: 1.5px solid var(--line);
        border-radius: 20px;
        padding: 5px 14px;
        font-size: .82rem;
        cursor: pointer;
        transition: all .18s;
        color: var(--mid);
        font-weight: 500;
        white-space: nowrap;
    }

    .pill-group input:checked + label {
        background: var(--brand);
        border-color: var(--brand);
        color: #fff;
    }

/* Section separator */
.fsep {
    font-size: .75rem;
    font-weight: 700;
    color: var(--brand);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin: 18px 0 10px;
    padding-bottom: 6px;
    border-bottom: 1px dashed #f0d0d0;
}

    .fsep:first-child {
        margin-top: 0;
    }

/* Actions */
.srch-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.btn-search-main {
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 14px 40px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background .2s, transform .15s;
}

    .btn-search-main:hover {
        background: var(--brand-lt);
        transform: translateY(-1px);
    }

.btn-reset {
    background: transparent;
    color: var(--mid);
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    padding: 13px 24px;
    font-size: .92rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color .2s, color .2s;
}

    .btn-reset:hover {
        border-color: var(--brand);
        color: var(--brand);
    }

.srch-count {
    margin-left: auto;
    font-size: .85rem;
    color: var(--mid);
}

@media (max-width: 600px) {
    .srch-hero {
        padding: 22px 20px;
    }

        .srch-hero h1 {
            font-size: 1.35rem;
        }

    .frow, .frow.two, .frow.three, .frow.four {
        grid-template-columns: 1fr;
    }

    .srch-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-search-main {
        justify-content: center;
    }

    .srch-count {
        margin-left: 0;
    }
}