/* ========================================
   FAB CONTACT MENU - Estilos padronizados
   Baseado no index.html (design final)
   ======================================== */

.fab-container {
    position: fixed;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

/* Esconde o FAB quando scroll-arrow está visível */
.fab-container.fab-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.fab-main {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, #7f13ec 0%, #6a10c5 100%);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 30px rgba(127, 19, 236, 0.35), 0 8px 18px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.fab-main .material-symbols-outlined {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.fab-main:active,
.fab-main:focus-visible {
    outline: 2px solid rgba(127, 19, 236, 0.5);
    outline-offset: 2px;
}

.fab-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 36px rgba(127, 19, 236, 0.4), 0 10px 20px rgba(0, 0, 0, 0.35);
}

.fab-menu {
    display: none;
    flex-direction: column;
    gap: 0.45rem;
    padding: 0.65rem;
    background: rgba(24, 17, 32, 0.94);
    border: 1px solid rgba(127, 19, 236, 0.25);
    border-radius: 14px;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45), 0 0 22px rgba(127, 19, 236, 0.14);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    min-width: 210px;
}

.fab-container.open .fab-menu {
    display: flex;
    animation: slideDown 0.18s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fab-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.65rem;
    border-radius: 10px;
    color: white;
    font-weight: 700;
    font-size: 0.93rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
    text-decoration: none;
}

.fab-action.primary {
    background: linear-gradient(135deg, #7f13ec 0%, #6a10c5 100%);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 10px 24px rgba(127, 19, 236, 0.28);
}

.fab-action:hover {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.08);
}

.fab-action .material-symbols-outlined {
    font-size: 20px;
    color: #c9b5e3;
}

.fab-action.primary .material-symbols-outlined {
    color: white;
}

/* ===== Dark theme variants for FAB ===== */
.dark .fab-container,
.fab-container.dark-theme {
    z-index: 9999;
}

.dark .fab-main,
.fab-container.dark-theme .fab-main {
    background: linear-gradient(135deg, #2b2633 0%, #221827 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6), 0 6px 18px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.02);
    color: #ffffff;
}

.dark .fab-main .material-symbols-outlined,
.fab-container.dark-theme .fab-main .material-symbols-outlined {
    color: #e7def7;
}

.dark .fab-menu,
.fab-container.dark-theme .fab-menu {
    background: rgba(10, 10, 12, 0.8);
    border: 1px solid rgba(127, 19, 236, 0.12);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.6), 0 0 22px rgba(24, 9, 38, 0.18);
}

.dark .fab-action,
.fab-container.dark-theme .fab-action {
    background: rgba(255, 255, 255, 0.03);
    color: #e9e5ff;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.dark .fab-action .material-symbols-outlined,
.fab-container.dark-theme .fab-action .material-symbols-outlined {
    color: #bdaee6;
}

.dark .fab-action.primary,
.fab-container.dark-theme .fab-action.primary {
    background: linear-gradient(135deg, #5b2fc4 0%, #3f1b88 100%);
    box-shadow: 0 8px 22px rgba(59, 17, 116, 0.35);
}

/* ===== Light theme variants for FAB ===== */
.fab-container.light-theme {
    z-index: 9999;
}

.fab-container.light-theme .fab-main {
    background: linear-gradient(180deg, #ffffff 0%, #f7f5fb 100%);
    color: #111827;
    border: 1px solid rgba(99, 102, 241, 0.18);
    box-shadow: 0 10px 28px rgba(16, 24, 40, 0.06), 0 6px 18px rgba(99, 102, 241, 0.08);
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.fab-container.light-theme .fab-main .material-symbols-outlined {
    color: #4b0082;
    filter: drop-shadow(0 2px 0 rgba(255, 255, 255, 0.6));
}

.fab-container.light-theme .fab-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(16, 24, 40, 0.08), 0 8px 22px rgba(99, 102, 241, 0.12);
}

.fab-container.light-theme .fab-main:focus-visible {
    outline: 3px solid rgba(127, 19, 236, 0.18);
    outline-offset: 3px;
}

.fab-container.light-theme .fab-menu {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(17, 24, 39, 0.06);
    box-shadow: 0 14px 34px rgba(16, 24, 40, 0.06);
    color: #0f172a;
}

.fab-container.light-theme .fab-action {
    background: rgba(15, 23, 42, 0.03);
    color: #0f172a;
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.fab-container.light-theme .fab-action .material-symbols-outlined {
    color: #6d28d9;
}

.fab-container.light-theme .fab-action:hover {
    background: rgba(127, 19, 236, 0.08);
    border-color: rgba(127, 19, 236, 0.2);
}

.fab-container.light-theme .fab-action.primary {
    background: linear-gradient(135deg, #7f13ec 0%, #6a10c5 100%);
    color: #fff;
    box-shadow: 0 8px 20px rgba(127, 19, 236, 0.14);
}

.fab-container.light-theme .fab-action.primary .material-symbols-outlined {
    color: white;
}

/* ===== Pulse animations ===== */
@media (prefers-reduced-motion: reduce) {
    .fab-main {
        animation: none !important;
    }
}

@keyframes fabPulse {
    0% {
        transform: translateY(0) scale(1);
        box-shadow: 0 8px 20px rgba(16, 24, 40, 0.06), 0 4px 12px rgba(99, 102, 241, 0.06);
    }
    50% {
        transform: translateY(-4px) scale(1.03);
        box-shadow: 0 22px 46px rgba(99, 102, 241, 0.12), 0 10px 30px rgba(16, 24, 40, 0.08);
    }
    100% {
        transform: translateY(0) scale(1);
        box-shadow: 0 8px 20px rgba(16, 24, 40, 0.06), 0 4px 12px rgba(99, 102, 241, 0.06);
    }
}

@keyframes fabPulseDark {
    0% {
        transform: translateY(0) scale(1);
        box-shadow: 0 10px 28px rgba(17, 12, 30, 0.6), 0 6px 20px rgba(127, 19, 236, 0.12);
    }
    50% {
        transform: translateY(-3px) scale(1.02);
        box-shadow: 0 26px 56px rgba(10, 8, 20, 0.7), 0 12px 36px rgba(127, 19, 236, 0.18);
    }
    100% {
        transform: translateY(0) scale(1);
        box-shadow: 0 10px 28px rgba(17, 12, 30, 0.6), 0 6px 20px rgba(127, 19, 236, 0.12);
    }
}

/* Light theme pulse */
.fab-container.light-theme .fab-main {
    animation: fabPulse 4s ease-in-out infinite;
}

/* Dark theme pulse */
.dark .fab-main,
.fab-container.dark-theme .fab-main {
    animation: fabPulseDark 4s ease-in-out infinite;
}

/* Disable pulse when menu is open */
.fab-container.open .fab-main {
    animation: none !important;
}

/* Animação de entrada suave */
.fab-container {
    animation: fabFadeIn 0.5s ease-out 0.3s both;
}

@keyframes fabFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Classe dinâmica controlada por JS - coordenação com scroll-arrow */
.fab-container.fab-shifted {
    bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
    transition: bottom 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Responsivo */
@media (max-width: 768px) {
    .fab-main {
        width: 52px;
        height: 52px;
    }
    
    .fab-menu {
        min-width: 180px;
    }
    
    .fab-action {
        padding: 0.5rem 0.6rem;
        font-size: 0.85rem;
    }
}