/* =========================================================
   Vira Floating Button — Frontend Styles v1.2
   ========================================================= */

.vira-fb {
    position: fixed;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0;
    transform: scale(0);
    pointer-events: none;
    font-family: 'IRANSans', Tahoma, Arial, sans-serif;
    transition: opacity 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.vira-fb.vira-fb-visible { opacity: 1; transform: scale(1); pointer-events: auto; }

/* Positions — applied dynamically by JS via data attributes */
/* Defaults (desktop overridden by JS) */
.vira-fb[data-current-position="bottom-right"] { bottom: var(--vira-fb-offset-y); right: var(--vira-fb-offset-x); align-items: flex-end; }
.vira-fb[data-current-position="bottom-left"]  { bottom: var(--vira-fb-offset-y); left: var(--vira-fb-offset-x); align-items: flex-start; }
.vira-fb[data-current-position="bottom-center"] { bottom: var(--vira-fb-offset-y); left: 50%; transform: translateX(-50%) scale(0); align-items: center; }
.vira-fb[data-current-position="bottom-center"].vira-fb-visible { transform: translateX(-50%) scale(1); }

/* Main Button */
.vira-fb-main {
    width: var(--vira-fb-size, 56px);
    height: var(--vira-fb-size, 56px);
    border-radius: 50%;
    border: none;
    background: var(--vira-fb-color, #3b82f6);
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease, background 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    font-family: inherit;
}

.vira-fb-main:hover { transform: scale(1.1); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.vira-fb-main:active { transform: scale(0.95); transition: transform 0.1s ease; }

.vira-fb-shape-rounded .vira-fb-main { border-radius: 16px; }
.vira-fb-shape-square .vira-fb-main { border-radius: 8px; }

/* Icons */
.vira-fb-icon { display: flex; align-items: center; justify-content: center; transition: opacity 0.3s ease, transform 0.3s ease; }
.vira-fb-icon svg { width: 24px; height: 24px; }
.vira-fb-icon-close { position: absolute; opacity: 0; transform: rotate(-90deg); }
.vira-fb.active .vira-fb-icon-default { opacity: 0; transform: rotate(90deg); }
.vira-fb.active .vira-fb-icon-close { opacity: 1; transform: rotate(0deg); }

/* Badge */
.vira-fb-badge {
    position: absolute; top: 2px; right: 2px;
    width: 14px; height: 14px; border-radius: 50%;
    background: #ef4444; border: 2px solid #ffffff;
    opacity: 1; transform: scale(1);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.vira-fb-badge.vira-fb-badge-hidden { opacity: 0; transform: scale(0); }

/* Pulse */
.vira-fb-pulse {
    position: absolute; inset: 0; border-radius: 50%;
    background: var(--vira-fb-color, #3b82f6);
    opacity: 0; z-index: 1;
    animation: vira-fb-pulse-ring 2s ease-out infinite;
}
@keyframes vira-fb-pulse-ring {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(1.8); opacity: 0; }
}

/* =========================================================
   ANIMATIONS
   ========================================================= */
@keyframes vira-fb-bounce {
    0%, 100% { transform: scale(1); }
    30% { transform: scale(1.3); }
    50% { transform: scale(0.9); }
    70% { transform: scale(1.1); }
}
@keyframes vira-fb-gelatine {
    from, to { transform: scale(1, 1); }
    25% { transform: scale(0.9, 1.1); }
    50% { transform: scale(1.1, 0.9); }
    75% { transform: scale(0.95, 1.05); }
}
@keyframes vira-fb-pulse { from { transform: scale(0.8); } to { transform: scale(1.2); } }
@keyframes vira-fb-shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-8px); }
    20%, 40%, 60%, 80% { transform: translateX(8px); }
}
@keyframes vira-fb-swing {
    20% { transform: rotate(15deg); }	
    40% { transform: rotate(-10deg); }
    60% { transform: rotate(5deg); }	
    80% { transform: rotate(-5deg); }	
    100% { transform: rotate(0deg); }
}
@keyframes vira-fb-wobble {
    0% { transform: translateX(0%); }
    15% { transform: translateX(-15%) rotate(-3deg); }
    30% { transform: translateX(10%) rotate(2deg); }
    45% { transform: translateX(-10%) rotate(-2deg); }
    60% { transform: translateX(5%) rotate(1deg); }
    75% { transform: translateX(-3%) rotate(-1deg); }
    100% { transform: translateX(0%); }
}
@keyframes vira-fb-flash { from { opacity: 1; } to { opacity: 0.4; } }
@keyframes vira-fb-hithere {
    30% { transform: scale(1.2); }
    40%, 60% { transform: rotate(-15deg) scale(1.2); }
    50% { transform: rotate(15deg) scale(1.2); }
    70% { transform: rotate(0deg) scale(1.2); }
    100% { transform: scale(1); }
}
@keyframes vira-fb-fade-in-up {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.vira-fb-anim-bounce { animation: vira-fb-bounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); }
.vira-fb-anim-gelatine { animation: vira-fb-gelatine 0.5s; }
.vira-fb-anim-pulse { animation: vira-fb-pulse 1s ease-in-out; }
.vira-fb-anim-shake { animation: vira-fb-shake 0.5s; }
.vira-fb-anim-swing { animation: vira-fb-swing 1s; }
.vira-fb-anim-wobble { animation: vira-fb-wobble 1s; }
.vira-fb-anim-flash { animation: vira-fb-flash 0.8s; }
.vira-fb-anim-hithere { animation: vira-fb-hithere 1s; }

/* Contact List */
.vira-fb-list {
    list-style: none; margin: 0; padding: 0;
    display: flex; flex-direction: column; gap: 10px;
    position: absolute;
    bottom: calc(var(--vira-fb-size, 56px) + 16px);
    pointer-events: none;
}
.vira-fb[data-current-position="bottom-right"] .vira-fb-list,
.vira-fb[data-current-position="bottom-left"] .vira-fb-list,
.vira-fb[data-current-position="bottom-center"] .vira-fb-list {
    right: 0; left: auto;
}
.vira-fb[data-current-position="bottom-left"] .vira-fb-list { right: auto; left: 0; }
.vira-fb[data-current-position="bottom-center"] .vira-fb-list { left: 50%; transform: translateX(-50%); }

.vira-fb-item {
    opacity: 0; transform: translateY(8px); pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    white-space: nowrap;
}
.vira-fb.active .vira-fb-item {
    opacity: 1; transform: translateY(0); pointer-events: auto;
    animation: vira-fb-fade-in-up 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}
.vira-fb.active .vira-fb-item:nth-child(1) { animation-delay: 0.04s; }
.vira-fb.active .vira-fb-item:nth-child(2) { animation-delay: 0.08s; }
.vira-fb.active .vira-fb-item:nth-child(3) { animation-delay: 0.12s; }
.vira-fb.active .vira-fb-item:nth-child(4) { animation-delay: 0.16s; }
.vira-fb.active .vira-fb-item:nth-child(5) { animation-delay: 0.20s; }
.vira-fb.active .vira-fb-item:nth-child(6) { animation-delay: 0.24s; }
.vira-fb.active .vira-fb-item:nth-child(7) { animation-delay: 0.28s; }
.vira-fb.active .vira-fb-item:nth-child(8) { animation-delay: 0.32s; }

/* =========================================================
   BUTTON STYLES
   ========================================================= */
.vira-fb-link {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 16px; border-radius: 50px;
    text-decoration: none; direction: rtl;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
    background: var(--vira-surface, #ffffff);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.vira-fb-link:hover { transform: scale(1.05); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.vira-fb-link:active { transform: scale(0.95); }

.vira-fb-link-icon {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    background: var(--vira-fb-btn-color, #10b981); color: #ffffff;
}
.vira-fb-link-icon svg { width: 18px; height: 18px; }

.vira-fb-link-text {
    font-size: 13px; font-weight: 500; font-family: inherit;
    color: var(--vira-text, #1e293b);
}

/* Style variants */
.vira-fb-style-icon-only .vira-fb-link { padding: 0; background: transparent; box-shadow: none; }
.vira-fb-style-icon-only .vira-fb-link-icon { width: 44px; height: 44px; box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
.vira-fb-style-icon-only .vira-fb-link-text { display: none; }

.vira-fb-style-circle-white .vira-fb-link { background: transparent; box-shadow: none; }
.vira-fb-style-circle-white .vira-fb-link-icon { background: #ffffff; color: var(--vira-fb-btn-color, #10b981); box-shadow: 0 2px 8px rgba(0,0,0,0.12); }

.vira-fb-style-outlined .vira-fb-link {
    background: var(--vira-glass-surface, rgba(255,255,255,0.62));
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1.5px solid var(--vira-fb-btn-color, #10b981);
    box-shadow: var(--vira-shadow-sm, 0 2px 4px rgba(0,0,0,0.06));
    padding: 8px 14px;
}
.vira-fb-style-outlined .vira-fb-link-icon { background: transparent; color: var(--vira-fb-btn-color); }
.vira-fb-style-outlined .vira-fb-link-text { color: var(--vira-fb-btn-color); }

.vira-fb-style-pill-filled .vira-fb-link {
    background: var(--vira-fb-btn-color, #10b981); box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    padding: 10px 18px;
}
.vira-fb-style-pill-filled .vira-fb-link-icon { background: rgba(255,255,255,0.2); color: #ffffff; }
.vira-fb-style-pill-filled .vira-fb-link-text { color: #ffffff; font-weight: 600; }

.vira-fb-show-desktop { display: flex; }
.vira-fb-show-mobile { display: none; }

/* Mobile overrides — applied when JS sets data-device="mobile" */
@media (max-width: 768px) {
    .vira-fb[data-device="mobile"] .vira-fb-main {
        width: var(--vira-fb-mobile-size, 52px);
        height: var(--vira-fb-mobile-size, 52px);
    }
    .vira-fb[data-device="mobile"] .vira-fb-icon svg { width: 22px; height: 22px; }
    .vira-fb[data-device="mobile"] .vira-fb-list { bottom: calc(var(--vira-fb-mobile-size, 52px) + 12px); }
    .vira-fb[data-device="mobile"] .vira-fb-badge { width: 12px; height: 12px; top: 1px; right: 1px; }
    .vira-fb[data-device="mobile"] .vira-fb-link { padding: 8px 14px; }
    .vira-fb[data-device="mobile"] .vira-fb-link-icon { width: 32px; height: 32px; }
    .vira-fb[data-device="mobile"] .vira-fb-link-icon svg { width: 16px; height: 16px; }
    .vira-fb[data-device="mobile"] .vira-fb-link-text { font-size: 12px; }
    .vira-fb-style-icon-only .vira-fb-link-icon { width: 40px; height: 40px; }
    .vira-fb-style-outlined .vira-fb-link { padding: 6px 12px; }
    .vira-fb-style-pill-filled .vira-fb-link { padding: 8px 14px; }
    .vira-fb-show-desktop { display: none !important; }
    .vira-fb-show-mobile { display: flex !important; }
}