/* Trang lọc — cùng tông với navbar #171d21, accent #e2d703 */

.filter-page {
    min-height: 70vh;
    padding: 32px 30px 60px;
    color: #f1f5f9;
    background: linear-gradient(180deg, #0b0f14 0%, #171d21 40%, #171d21 100%);
}

.filter-header {
    max-width: 1200px;
    margin: 0 auto 28px;
}

.filter-title-main {
    font-size: 1.85rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.filter-subtitle {
    font-size: 15px;
    color: #94a3b8;
    line-height: 1.5;
    max-width: 640px;
}

.filter-toolbar {
    max-width: 1200px;
    margin: 0 auto 24px;
    background: rgba(15, 23, 42, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.filter-controls {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px 16px;
    align-items: end;
}

.filter-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #e2d703;
}

.filter-item select {
    background: #171d21;
    color: #f1f5f9;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 11px 14px;
    border-radius: 10px;
    min-width: 0;
    width: 100%;
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
}

    .filter-item select:focus {
        outline: none;
        border-color: rgba(226, 215, 3, 0.45);
        box-shadow: 0 0 0 2px rgba(226, 215, 3, 0.1);
    }

.filter-search-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #171d21;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 100%;
}

    .filter-search-box i {
        color: #e2d703;
        opacity: 0.9;
    }

    .filter-search-box input {
        flex: 1;
        background: transparent;
        border: none;
        color: #fff;
        font-size: 15px;
        font-family: inherit;
        min-width: 0;
    }

        .filter-search-box input::placeholder {
            color: #64748b;
        }

        .filter-search-box input:focus {
            outline: none;
        }

.filter-btn {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid #e2d703;
    color: #171d21;
    padding: 12px 28px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    background: #e2d703;
    cursor: pointer;
    transition: filter 0.2s, transform 0.15s;
}

    .filter-btn:hover {
        filter: brightness(1.06);
    }

    .filter-btn i {
        font-size: 13px;
    }

/* Grid phim */
.movie-card-filter {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.filter-loading,
.filter-empty,
.filter-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem 1rem;
    color: #94a3b8;
    font-size: 15px;
}

.filter-error {
    color: #f87171;
}

@media (max-width: 600px) {
    .filter-page {
        padding: 20px 16px 40px;
    }

    .filter-toolbar {
        padding: 16px;
    }
}