/* ===========================================================
   Fartak Smart Filters - dark RTL sidebar
   =========================================================== */

:root {
    --ft-sf-bg: #0e1626;
    --ft-sf-card: #131c30;
    --ft-sf-border: #1f2b45;
    --ft-sf-text: #e8eefc;
    --ft-sf-muted: #8794ad;
    --ft-sf-accent: #e11d2a;
    --ft-sf-accent2: #ff3543;
    --ft-sf-accent3: #b81622;
    --ft-sf-radius: 12px;
    --ft-sf-radius-sm: 8px;
}

.ft-sf,
.ft-sf-chips {
    direction: rtl;
    font-family: "Vazirmatn", system-ui, sans-serif;
}

/* ---------------- form ---------------- */
.ft-sf {
    background: var(--ft-sf-bg);
    border: 1px solid var(--ft-sf-border);
    border-radius: var(--ft-sf-radius);
    padding: 16px;
    color: var(--ft-sf-text);
    box-shadow: 0 12px 28px rgba(0,0,0,0.35);
}

.ft-sf__header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--ft-sf-border);
    margin-bottom: 12px;
}
.ft-sf__header .dashicons {
    color: var(--ft-sf-accent2);
    width: 20px; height: 20px; font-size: 20px;
}
.ft-sf__header h3 {
    flex: 1;
    margin: 0;
    font-size: 15px;
    font-weight: 700;
}
.ft-sf__clear {
    background: transparent;
    color: var(--ft-sf-muted);
    border: 1px solid var(--ft-sf-border);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}
.ft-sf__clear:hover { color: var(--ft-sf-accent2); border-color: var(--ft-sf-accent2); }

.ft-sf__group {
    padding: 12px 0;
    border-bottom: 1px dashed var(--ft-sf-border);
}
.ft-sf__group:last-of-type { border-bottom: none; }
.ft-sf__group h4 {
    margin: 0 0 10px;
    font-size: 13px;
    color: var(--ft-sf-text);
    font-weight: 700;
}

.ft-sf__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
}
.ft-sf__list::-webkit-scrollbar { width: 6px; }
.ft-sf__list::-webkit-scrollbar-thumb { background: var(--ft-sf-border); border-radius: 3px; }

.ft-sf__list label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--ft-sf-text);
    padding: 4px 6px;
    border-radius: 6px;
    transition: background 0.15s;
}
.ft-sf__list label:hover { background: rgba(255,255,255,0.03); }
.ft-sf__list input[type="checkbox"],
.ft-sf__list input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--ft-sf-border);
    border-radius: 4px;
    background: transparent;
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
    transition: all 0.2s;
}
.ft-sf__list input[type="radio"] { border-radius: 50%; }
.ft-sf__list input[type="checkbox"]:checked,
.ft-sf__list input[type="radio"]:checked {
    background: var(--ft-sf-accent);
    border-color: var(--ft-sf-accent);
}
.ft-sf__list input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    inset: 2px;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'><path d='M5 12l5 5 9-11'/></svg>") no-repeat center;
    background-size: contain;
}
.ft-sf__list input[type="radio"]:checked::after {
    content: "";
    position: absolute;
    inset: 3px;
    background: #fff;
    border-radius: 50%;
}
.ft-sf__list label span { flex: 1; }
.ft-sf__count { color: var(--ft-sf-muted); font-size: 11px; font-style: normal; }
.ft-sf__stars { color: var(--ft-sf-accent2); letter-spacing: 1px; font-size: 14px; }

/* ---------------- range slider ---------------- */
.ft-sf__range {
    margin-top: 8px;
}
.ft-sf__range-track {
    position: relative;
    height: 6px;
    background: var(--ft-sf-card);
    border-radius: 3px;
    margin: 14px 8px 18px;
}
.ft-sf__range-fill {
    position: absolute;
    height: 100%;
    background: linear-gradient(90deg, var(--ft-sf-accent3), var(--ft-sf-accent2));
    border-radius: 3px;
}
.ft-sf__range-handle {
    position: absolute;
    top: 50%;
    width: 16px;
    height: 16px;
    background: #fff;
    border: 2px solid var(--ft-sf-accent);
    border-radius: 50%;
    transform: translate(50%, -50%);
    cursor: grab;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    transition: transform 0.1s;
}
.ft-sf__range-handle:active { cursor: grabbing; transform: translate(50%, -50%) scale(1.15); }
.ft-sf__range-handle:focus { outline: none; box-shadow: 0 0 0 4px rgba(255, 53, 67, 0.2); }

.ft-sf__range-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}
.ft-sf__range-inputs input {
    flex: 1;
    background: var(--ft-sf-card);
    border: 1px solid var(--ft-sf-border);
    color: var(--ft-sf-text);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 12px;
    font-family: inherit;
    width: 100%;
    outline: none;
}
.ft-sf__range-inputs input:focus { border-color: var(--ft-sf-accent2); }
.ft-sf__range-inputs input::placeholder { color: var(--ft-sf-muted); }
.ft-sf__dash { color: var(--ft-sf-muted); }

/* ---------------- footer ---------------- */
.ft-sf__footer {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--ft-sf-border);
}
.ft-sf__apply {
    width: 100%;
    background: linear-gradient(135deg, var(--ft-sf-accent), var(--ft-sf-accent3));
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 6px 16px rgba(225, 29, 42, 0.35);
}
.ft-sf__apply:hover { box-shadow: 0 8px 20px rgba(255, 53, 67, 0.5); }
.ft-sf__apply:disabled { opacity: 0.7; cursor: wait; }

/* ---------------- chips (active filters) ---------------- */
.ft-sf-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    padding: 12px 0;
    align-items: center;
}
.ft-sf-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--ft-sf-card);
    border: 1px solid var(--ft-sf-border);
    color: var(--ft-sf-text);
    border-radius: 20px;
    padding: 4px 10px 4px 12px;
    font-size: 12px;
    font-family: "Vazirmatn", system-ui, sans-serif;
}
.ft-sf-chip__x {
    background: transparent;
    border: none;
    color: var(--ft-sf-muted);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 0;
    width: 16px; height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.ft-sf-chip__x:hover { background: var(--ft-sf-accent); color: #fff; }
.ft-sf-chip--clear {
    background: transparent;
    border: 1px dashed var(--ft-sf-accent2);
    color: var(--ft-sf-accent2);
    cursor: pointer;
    font-family: inherit;
}

/* ---------------- loading overlay ---------------- */
.ft-sf-loading {
    position: fixed;
    inset: 0;
    background: rgba(10, 16, 30, 0.6);
    backdrop-filter: blur(2px);
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}
.ft-sf-loading.is-active { opacity: 1; pointer-events: auto; }
.ft-sf-loading__spinner {
    width: 56px; height: 56px;
    border: 4px solid var(--ft-sf-border);
    border-top-color: var(--ft-sf-accent2);
    border-radius: 50%;
    animation: ft-sf-spin 0.9s linear infinite;
}
@keyframes ft-sf-spin { to { transform: rotate(360deg); } }

/* ---------------- toast ---------------- */
.ft-sf-toast {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--ft-sf-card);
    border: 1px solid var(--ft-sf-border);
    color: var(--ft-sf-text);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 12px;
    font-family: "Vazirmatn", system-ui, sans-serif;
    box-shadow: 0 10px 24px rgba(0,0,0,0.4);
    z-index: 10000;
    animation: ft-sf-in 0.3s ease;
}
@keyframes ft-sf-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* products container trans */
.ft-sf-products-wrap {
    position: relative;
    transition: opacity 0.2s;
}
.ft-sf-products-wrap.is-loading { opacity: 0.4; }

/* ---------------- responsive ---------------- */
@media (max-width: 768px) {
    .ft-sf { padding: 12px; }
    .ft-sf__header h3 { font-size: 14px; }
}