.fsb-root {
    --fsb-color: #d81b4a;
    position: fixed;
    bottom: var(--fsb-offset-bottom, 24px);
    z-index: 999999;
    font-family: var(--fsb-font-family, "Vazirmatn", Tahoma, Arial, sans-serif);
}
.fsb-root.fsb-pos-right { right: var(--fsb-offset-side, 24px); }
.fsb-root.fsb-pos-left { left: var(--fsb-offset-side, 24px); }

.fsb-toggle-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(140deg, color-mix(in srgb, var(--fsb-color) 82%, white), var(--fsb-color) 100%);
    color: #fff;
    border: none;
    border-radius: 22px;
    padding: 11px 18px 11px 14px;
    font-size: var(--fsb-font-size, 14px);
    font-weight: 600;
    letter-spacing: .2px;
    cursor: pointer;
    box-shadow:
        0 10px 24px -6px color-mix(in srgb, var(--fsb-color) 55%, transparent),
        0 2px 6px rgba(0,0,0,0.12),
        inset 0 1px 0 rgba(255,255,255,0.25);
    transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.fsb-toggle-btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.04);
    box-shadow:
        0 16px 30px -8px color-mix(in srgb, var(--fsb-color) 60%, transparent),
        0 4px 10px rgba(0,0,0,0.14),
        inset 0 1px 0 rgba(255,255,255,0.3);
}
.fsb-toggle-btn:active { transform: translateY(-1px) scale(.98); }

.fsb-btn-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 12px;
    background: rgba(255,255,255,0.18);
    flex-shrink: 0;
}
.fsb-btn-icon img.fsb-custom-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: inherit;
}
.fsb-btn-text { padding-top: 1px; }

.fsb-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20,20,20, var(--fsb-overlay-opacity, 0.45));
    z-index: 999998;
    opacity: 0;
    transition: opacity .2s ease;
}
.fsb-overlay.fsb-show { opacity: 1; }

.fsb-modal {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -46%) scale(.96);
    width: 92%;
    max-width: 430px;
    background: #fff;
    border-radius: 32px;
    padding: 26px;
    z-index: 999999;
    box-shadow: 0 24px 70px rgba(20,20,20,0.18);
    opacity: 0;
    transition: opacity .2s ease, transform .2s ease;
    direction: rtl;
    font-family: var(--fsb-font-family, "Vazirmatn", Tahoma, Arial, sans-serif);
}
.fsb-modal.fsb-show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.fsb-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.fsb-modal-header h2 {
    font-size: 18px;
    margin: 0;
    font-weight: 700;
    color: #1a1a1a;
}
.fsb-modal-close {
    background: #f2f2f4;
    border: none;
    border-radius: 12px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #555;
    transition: background .35s ease, color .35s ease;
}
.fsb-modal-close:hover {
    background: #fdecef;
    color: #e0264f;
}

.fsb-modal-subtitle {
    color: #8a8a8f;
    font-size: 13px;
    margin: 6px 0 18px;
}

.fsb-methods-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fsb-method-row {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #f5f5f7;
    border: 1.5px solid transparent;
    box-sizing: border-box;
    border-radius: 26px;
    padding: 15px 18px;
    text-decoration: none;
    color: inherit;
    transition: background .3s ease, box-shadow .3s ease, transform .3s ease, border-color .3s ease;
}

.fsb-method-arrow {
    color: #b7b9bf;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform .3s ease, color .3s ease;
}
.fsb-method-row:hover .fsb-method-arrow {
    transform: translateX(4px);
    color: var(--fsb-icon-color, var(--fsb-color));
}
.fsb-method-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.fsb-method-label {
    font-size: 14.5px;
    font-weight: 700;
    color: #1a1a1c;
}
.fsb-method-desc {
    font-size: 12px;
    color: #a3a3aa;
}
.fsb-method-icon {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fsb-icon-color, var(--fsb-color));
    background: #fff;
    box-shadow: 0 3px 10px rgba(20,20,20,0.06);
    flex-shrink: 0;
    transition: background .3s ease, box-shadow .3s ease;
}
.fsb-method-icon img.fsb-custom-icon-img {
    width: 60%;
    height: 60%;
    object-fit: contain;
}
.fsb-method-row:hover {
    background: #fff;
    border-color: color-mix(in srgb, var(--fsb-icon-color, var(--fsb-color)) 45%, transparent);
    box-shadow: 0 8px 20px rgba(20,20,20,0.06);
    transform: translateY(-1px);
}
.fsb-method-row:hover .fsb-method-icon {
    background: #eef0f2;
    box-shadow: none;
}

.fsb-icon-bale {
    color: color-mix(in srgb, var(--fsb-icon-color, #00a651) 85%, black);
}

@media (max-width: 480px) {
    .fsb-root {
        bottom: calc(var(--fsb-offset-bottom-mobile, 14px) + env(safe-area-inset-bottom));
    }
    .fsb-root.fsb-pos-right {
        right: calc(var(--fsb-offset-side-mobile, 14px) + env(safe-area-inset-right));
    }
    .fsb-root.fsb-pos-left {
        left: calc(var(--fsb-offset-side-mobile, 14px) + env(safe-area-inset-left));
    }

    .fsb-root.fsb-hide-mobile { display: none; }

    .fsb-root.fsb-icon-only-mobile .fsb-toggle-btn {
        padding: 12px;
        border-radius: 50%;
        gap: 0;
    }
    .fsb-root.fsb-icon-only-mobile .fsb-btn-text { display: none; }
    .fsb-root.fsb-icon-only-mobile .fsb-btn-icon {
        width: 24px;
        height: 24px;
        background: transparent;
    }

    .fsb-toggle-btn { padding: 10px 16px; font-size: 13px; max-width: calc(100vw - 28px); }
    .fsb-btn-text {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .fsb-modal {
        left: 0;
        right: 0;
        top: auto;
        bottom: 0;
        width: 100%;
        max-width: 100%;
        max-height: 85vh;
        overflow-y: auto;
        border-radius: 26px 26px 0 0;
        padding: 22px 20px calc(22px + env(safe-area-inset-bottom));
        transform: translateY(100%);
        transition: opacity .25s ease, transform .3s ease;
    }
    .fsb-modal.fsb-show {
        transform: translateY(0);
    }
    .fsb-method-row { padding: 13px 15px; border-radius: 22px; }
    .fsb-method-icon { width: 46px; height: 46px; border-radius: 16px; }
}

body.fsb-modal-open {
    overflow: hidden;
}

/* Optional shadow removal */
.fsb-root.fsb-no-shadow .fsb-toggle-btn,
.fsb-root.fsb-no-shadow .fsb-toggle-btn:hover {
    box-shadow: none;
}

/* Entrance / attention animations */
.fsb-root.fsb-anim-pulse .fsb-toggle-btn {
    animation: fsb-anim-pulse 2.2s ease-out infinite;
}
.fsb-root.fsb-anim-bounce .fsb-toggle-btn {
    animation: fsb-anim-bounce 1.8s ease-in-out infinite;
}
.fsb-root.fsb-anim-pulse .fsb-toggle-btn:hover,
.fsb-root.fsb-anim-bounce .fsb-toggle-btn:hover {
    animation-play-state: paused;
}

@keyframes fsb-anim-pulse {
    0% {
        box-shadow:
            0 0 0 0 color-mix(in srgb, var(--fsb-color) 45%, transparent),
            0 10px 24px -6px color-mix(in srgb, var(--fsb-color) 55%, transparent),
            0 2px 6px rgba(0,0,0,0.12),
            inset 0 1px 0 rgba(255,255,255,0.25);
    }
    70% {
        box-shadow:
            0 0 0 14px transparent,
            0 10px 24px -6px color-mix(in srgb, var(--fsb-color) 55%, transparent),
            0 2px 6px rgba(0,0,0,0.12),
            inset 0 1px 0 rgba(255,255,255,0.25);
    }
    100% {
        box-shadow:
            0 0 0 0 transparent,
            0 10px 24px -6px color-mix(in srgb, var(--fsb-color) 55%, transparent),
            0 2px 6px rgba(0,0,0,0.12),
            inset 0 1px 0 rgba(255,255,255,0.25);
    }
}

@keyframes fsb-anim-bounce {
    0%, 100% { transform: translateY(0); }
    20% { transform: translateY(-8px); }
    40% { transform: translateY(0); }
    55% { transform: translateY(-4px); }
    70% { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .fsb-root.fsb-anim-pulse .fsb-toggle-btn,
    .fsb-root.fsb-anim-bounce .fsb-toggle-btn {
        animation: none;
    }
}

/* ---------- Delayed display (time / scroll trigger) ---------- */
.fsb-root.fsb-delayed {
    opacity: 0;
    transform: translateY(14px);
    pointer-events: none;
    transition: opacity .4s ease, transform .4s ease;
}
.fsb-root.fsb-delayed.fsb-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ---------- Auto-hide after inactivity ---------- */
.fsb-toggle-btn {
    transition: transform .18s ease, box-shadow .18s ease, filter .18s ease, opacity .25s ease, padding .25s ease, border-radius .25s ease;
}
.fsb-root.fsb-idle .fsb-toggle-btn {
    opacity: .55;
    transform: scale(.92);
    padding: 11px;
    border-radius: 50%;
    gap: 0;
}
.fsb-root.fsb-idle .fsb-btn-text {
    max-width: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
    opacity: 0;
}
.fsb-root.fsb-idle:hover .fsb-toggle-btn,
.fsb-root.fsb-idle .fsb-toggle-btn:focus {
    opacity: 1;
    transform: scale(1);
    padding: 11px 18px 11px 14px;
    border-radius: 22px;
    gap: 10px;
}
.fsb-root.fsb-idle:hover .fsb-btn-text,
.fsb-root.fsb-idle .fsb-toggle-btn:focus .fsb-btn-text {
    max-width: 200px;
    padding-top: 1px;
    opacity: 1;
}

/* ---------- Badge ---------- */
.fsb-badge {
    position: absolute;
    top: -3px;
    inset-inline-end: -3px;
    min-width: 16px;
    height: 16px;
    border-radius: 999px;
    background: #ff3b30;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}
.fsb-badge-dot {
    width: 12px;
    height: 12px;
    min-width: 12px;
}
.fsb-badge-number {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    animation: fsb-badge-pop .4s ease;
}
@keyframes fsb-badge-pop {
    0% { transform: scale(0); }
    70% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* ---------- Welcome bubble ---------- */
.fsb-welcome-bubble {
    position: absolute;
    bottom: calc(100% + 12px);
    max-width: 240px;
    background: #fff;
    color: #1a1a1c;
    border-radius: 18px;
    padding: 12px 34px 12px 14px;
    font-size: 13px;
    line-height: 1.6;
    box-shadow: 0 10px 30px rgba(20,20,20,0.16);
    cursor: pointer;
    opacity: 0;
    transform: translateY(8px) scale(.96);
    transition: opacity .25s ease, transform .25s ease;
}
.fsb-root.fsb-pos-right .fsb-welcome-bubble { inset-inline-end: 0; }
.fsb-root.fsb-pos-left .fsb-welcome-bubble { inset-inline-start: 0; }
.fsb-welcome-bubble.fsb-show {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.fsb-welcome-bubble-close {
    position: absolute;
    top: 8px;
    inset-inline-end: 8px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: #9a9aa1;
    cursor: pointer;
    border-radius: 50%;
}
.fsb-welcome-bubble-close:hover {
    background: #f2f2f4;
    color: #555;
}

/* ---------- Out-of-hours notice ---------- */
.fsb-hours-notice {
    background: #fff7e6;
    color: #92660a;
    font-size: 12.5px;
    line-height: 1.7;
    border-radius: 14px;
    padding: 10px 14px;
    margin: 0 0 14px;
}

@media (prefers-reduced-motion: reduce) {
    .fsb-root.fsb-delayed {
        transition: none;
    }
}