/**
 * ═══════════════════════════════════════════════════════════════════
 * FleetDriver Login v2.0 — CSS Modernizado
 * @date 2026-03-03
 * @version 1.21
 * @consultant Fernando da AiA Soluções
 * 
 * Suporte: 320px+ (celulares populares entre motoristas)
 * Font: DM Sans (moderna, boa legibilidade em telas pequenas)
 * ═══════════════════════════════════════════════════════════════════
 */

/* ═══════════ RESET & TOKENS ═══════════ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    /* Cores principais — paleta FleetDriver */
    --navy:       #0f172a;
    --navy-mid:   #1e3a8a;
    --blue:       #3b82f6;
    --blue-light: #60a5fa;
    --teal:       #14b8a6;
    --teal-light: #2dd4bf;
    --green:      #4ade80;

    /* Neutros */
    --white:      #ffffff;
    --gray-50:    #f8fafc;
    --gray-100:   #f1f5f9;
    --gray-200:   #e2e8f0;
    --gray-300:   #cbd5e1;
    --gray-400:   #94a3b8;
    --gray-500:   #64748b;
    --gray-600:   #475569;
    --gray-700:   #334155;
    --gray-800:   #1e293b;

    /* Erro */
    --red:        #ef4444;
    --red-dark:   #b91c1c;
    --red-bg:     #fef2f2;

    /* Raios e sombras */
    --radius-sm:  10px;
    --radius-md:  14px;
    --radius-lg:  20px;
    --shadow-card: 0 8px 32px rgba(15, 23, 42, 0.12);
    --shadow-input: 0 0 0 3px rgba(20, 184, 166, 0.15);

    /* Transições */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ═══════════ BODY ═══════════ */
html {
    height: 100%;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--navy);
    min-height: 100%;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    padding-top: max(16px, env(safe-area-inset-top));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    overflow-x: hidden;
    position: relative;
}

/* ═══════════ BACKGROUND DECORATIVO ═══════════ */
.bg-decoration {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
}

.bg-circle-1 {
    width: 340px;
    height: 340px;
    background: var(--navy-mid);
    top: -10%;
    right: -15%;
}

.bg-circle-2 {
    width: 260px;
    height: 260px;
    background: var(--teal);
    bottom: 5%;
    left: -10%;
    opacity: 0.2;
}

.bg-circle-3 {
    width: 180px;
    height: 180px;
    background: var(--blue);
    top: 50%;
    left: 60%;
    opacity: 0.15;
}

/* ═══════════ CONTAINER PRINCIPAL ═══════════ */
.login-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 32px 24px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    animation: cardEnter 0.5s var(--ease) both;
}

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ═══════════ LOGO ═══════════ */
.header-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-100);
}

.logo-slot {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img {
    max-width: 100%;
    height: auto;
    max-height: 56px;
    object-fit: contain;
}

.logo-divider {
    display: none;
}
    flex-shrink: 0;
}

/* ═══════════ HEADER ═══════════ */
.header-container {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-100);
}

.version-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--teal) 0%, var(--green) 100%);
    color: var(--white);
    font-size: 9px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    vertical-align: middle;
}

.system-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--gray-800);
    letter-spacing: -0.3px;
}

/* ═══════════ FORMULÁRIO ═══════════ */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.label-icon {
    font-size: 16px;
    line-height: 1;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 16px; /* 16px evita zoom no iOS */
    color: var(--gray-800);
    background: var(--gray-50);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    outline: none;
    font-weight: 500;
    font-family: inherit;
}

.form-input:focus {
    border-color: var(--teal);
    box-shadow: var(--shadow-input);
    background: var(--white);
}

.form-input::placeholder {
    color: var(--gray-400);
    font-weight: 400;
}

/* ═══════════ HINTS ═══════════ */
.input-hint,
.password-hint {
    font-size: 11px;
    color: var(--gray-400);
    font-weight: 500;
    line-height: 1.4;
    padding-left: 2px;
}

.password-hint {
    color: var(--teal);
    background: rgba(20, 184, 166, 0.06);
    padding: 8px 10px;
    border-radius: 8px;
    border-left: 2px solid var(--teal);
    font-size: 11px;
}

/* ═══════════ NOME DISPLAY ═══════════ */
.nome-display {
    padding: 10px 14px;
    background: rgba(34, 197, 94, 0.08);
    border: 1.5px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-sm);
    color: #15803d;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
}

.nome-display.fade-in {
    animation: fadeSlide 0.3s var(--ease);
}

@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════ SENHA ═══════════ */
.password-wrapper {
    position: relative;
}

.password-wrapper .form-input {
    padding-right: 50px;
}

.toggle-password {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    padding: 8px;
    opacity: 0.5;
    transition: opacity 0.2s;
    border-radius: 8px;
    line-height: 1;
}

.toggle-password:hover,
.toggle-password:focus {
    opacity: 0.9;
    background: var(--gray-100);
}

/* ═══════════ BOTÃO LOGIN ═══════════ */
.login-button {
    width: 100%;
    background: linear-gradient(135deg, var(--navy-mid) 0%, var(--teal) 100%);
    color: var(--white);
    border: none;
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    box-shadow: 0 4px 16px rgba(20, 184, 166, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: inherit;
    margin-top: 4px;
}

.login-button:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.35);
}

.login-button:active:not(:disabled) {
    transform: translateY(0) scale(0.99);
}

.login-button:disabled {
    background: var(--gray-300);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.loading-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ═══════════ MENSAGEM DE ERRO ═══════════ */
.error-message {
    background: var(--red-bg);
    border: 1.5px solid var(--red);
    color: var(--red-dark);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    display: none;
    animation: errorEnter 0.25s var(--ease);
    text-align: center;
}

@keyframes errorEnter {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════ SELETOR DE EMPRESA ═══════════ */
.empresa-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.empresa-option {
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.empresa-option:hover {
    border-color: var(--blue-light);
    background: var(--white);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

.empresa-option:active {
    transform: scale(0.99);
}

.empresa-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.empresa-nome {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 2px;
}

.empresa-matricula {
    font-size: 11px;
    color: var(--gray-500);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* ═══════════ FOOTER ═══════════ */
.footer-info {
    text-align: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
}

.company-name {
    font-size: 12px;
    color: var(--gray-600);
    font-weight: 600;
    margin-bottom: 4px;
}

.powered-by {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    background: linear-gradient(135deg, var(--navy-mid) 0%, var(--teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ═══════════ RESPONSIVO ═══════════ */

/* Celulares médios (360px–480px) */
@media (max-width: 480px) {
    body {
        padding: 12px;
        align-items: flex-start;
        padding-top: max(24px, env(safe-area-inset-top));
    }

    .login-container {
        padding: 28px 20px;
        border-radius: 16px;
        margin-top: 8px;
    }
    
    .header-logos {
        gap: 14px;
        margin-bottom: 20px;
        padding-bottom: 16px;
    }
    
    .logo-img {
        max-height: 38px;
    }

    .header-container {
        margin-bottom: 24px;
    }
    
    .system-title {
        font-size: 16px;
    }

    .login-form {
        gap: 16px;
    }
    
    .form-input {
        padding: 12px 14px;
    }
    
    .login-button {
        padding: 14px;
        font-size: 14px;
    }
    
    .bg-circle-1 { width: 240px; height: 240px; }
    .bg-circle-2 { width: 180px; height: 180px; }
    .bg-circle-3 { display: none; }
}

/* Celulares pequenos (320px–359px) */
@media (max-width: 359px) {
    body {
        padding: 8px;
    }

    .login-container {
        padding: 24px 16px;
        border-radius: 14px;
    }

    .header-logos {
        gap: 10px;
        margin-bottom: 16px;
        padding-bottom: 14px;
    }
    
    .logo-img {
        max-height: 32px;
    }

.logo-divider {
    display: none;
}
    .header-container {
        margin-bottom: 20px;
    }

    .version-badge {
        font-size: 9px;
        padding: 3px 8px;
    }

    .system-title {
        font-size: 15px;
    }

    .login-form {
        gap: 14px;
    }

    .form-label {
        font-size: 12px;
    }

    .form-input {
        padding: 11px 12px;
        font-size: 16px; /* Manter 16px para evitar zoom iOS */
        border-radius: 10px;
    }

    .login-button {
        padding: 13px;
        font-size: 13px;
        border-radius: 10px;
    }

    .input-hint,
    .password-hint {
        font-size: 10px;
    }

    .nome-display {
        font-size: 12px;
        padding: 8px 10px;
    }

    .empresa-option {
        padding: 10px 12px;
    }

    .empresa-nome {
        font-size: 13px;
    }

    .footer-info {
        margin-top: 20px;
        padding-top: 16px;
    }
    
    .company-name {
        font-size: 11px;
    }
    
    .powered-by {
        font-size: 9px;
    }
}

/* Telas muito pequenas (abaixo de 320px, ex: iPhone SE 1st gen) */
@media (max-width: 319px) {
    .login-container {
        padding: 20px 14px;
    }
    
    .header-logos {
        flex-direction: column;
        gap: 8px;
    }
    
.logo-divider {
    display: none;
}
    
    .logo-img {
        max-height: 28px;
    }
}

/* Landscape em celular (altura pequena) */
@media (max-height: 500px) and (orientation: landscape) {
    body {
        align-items: flex-start;
        padding: 8px;
    }
    
    .login-container {
        padding: 16px 20px;
    }
    
    .header-logos {
        margin-bottom: 12px;
        padding-bottom: 10px;
    }
    
    .logo-img {
        max-height: 28px;
    }
    
    .header-container {
        margin-bottom: 12px;
    }
    
    .login-form {
        gap: 10px;
    }
    
    .form-input {
        padding: 10px 12px;
    }
    
    .login-button {
        padding: 12px;
    }
    
    .footer-info {
        margin-top: 12px;
        padding-top: 10px;
    }
    
    .bg-decoration { display: none; }
}

/* ═══════════ ACESSIBILIDADE ═══════════ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visível para navegação por teclado */
.form-input:focus-visible,
.login-button:focus-visible,
.toggle-password:focus-visible,
.empresa-option:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
}

/* ═══════════ v4.0: HEADER PORTAL GSZ ═══════════ */
.header-container {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-100);
}

.title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 4px;
}

.system-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--gray-800);
    letter-spacing: -0.3px;
    margin: 0;
}

.version-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--teal) 0%, var(--green) 100%);
    color: var(--white);
    font-size: 9px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    vertical-align: middle;
}

.header-fleetdriver {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 10px;
    opacity: 0.45;
}

.header-fd-icon {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    object-fit: contain;
}

.header-fleetdriver span {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: var(--gray-500);
}

/* ═══════════ ESQUECI SENHA LINK ═══════════ */
.forgot-password-link {
    text-align: center;
    margin-top: 12px;
}

.forgot-password-link a {
    font-size: 13px;
    font-weight: 600;
    color: var(--teal);
    text-decoration: none;
    transition: color 0.2s;
}

.forgot-password-link a:hover {
    color: var(--blue);
    text-decoration: underline;
}

/* ═══════════ FOOTER COM LOGO SZ ═══════════ */
.footer-logo-sz {
    margin-bottom: 10px;
}

.footer-logo-img {
    max-height: 32px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.footer-logo-img:hover {
    opacity: 1;
}

/* ═══════════ MANUAL DO MOTORISTA (CARD INLINE) ═══════════ */
.manual-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, rgba(20,184,166,0.08) 0%, rgba(59,130,246,0.06) 100%);
    border: 1.5px solid var(--teal);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    margin-top: 20px;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    position: relative;
    overflow: hidden;
}

.manual-card:hover {
    background: linear-gradient(135deg, rgba(20,184,166,0.15) 0%, rgba(59,130,246,0.10) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(20, 184, 166, 0.2);
}

.manual-card:active {
    transform: translateY(0) scale(0.99);
}

.manual-card-icon {
    font-size: 24px;
    line-height: 1;
    flex-shrink: 0;
}

.manual-card-content {
    flex: 1;
    min-width: 0;
}

.manual-card-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.2;
}

.manual-card-desc {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 1px;
}

.manual-card-arrow {
    font-size: 18px;
    color: var(--teal);
    font-weight: 700;
    flex-shrink: 0;
}

.manual-card-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: var(--red);
    color: var(--white);
    font-size: 9px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 0 var(--radius-md) 0 8px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ═══════════ MODAL ESQUECI SENHA ═══════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-esqueci {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.35s var(--ease);
    overflow: hidden;
}

.modal-overlay.active .modal-esqueci {
    transform: translateY(0) scale(1);
}

.modal-esqueci-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--gray-100);
}

.modal-esqueci-header h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-800);
    margin: 0;
}

.modal-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1.5px solid var(--gray-200);
    background: var(--gray-50);
    color: var(--gray-500);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close-btn:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.modal-esqueci-body {
    padding: 20px;
}

.modal-esqueci-desc {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 18px;
    background: rgba(59, 130, 246, 0.05);
    border-left: 3px solid var(--blue);
    padding: 10px 14px;
    border-radius: 0 8px 8px 0;
}

.modal-esqueci-body .form-group {
    margin-bottom: 14px;
}

.modal-esqueci-body .error-message {
    margin-top: 8px;
}

.modal-esqueci-footer {
    padding: 0 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.btn-cancelar {
    width: 100%;
    padding: 12px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: var(--gray-50);
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

.btn-cancelar:hover {
    background: var(--gray-200);
}

/* ═══════════ RESPONSIVE: MANUAL FAB ═══════════ */
@media (max-width: 480px) {
    .footer-logo-img { max-height: 28px; }

    .system-title { font-size: 18px; }
}

@media (max-width: 359px) {
    .system-title { font-size: 16px; }
}

/* ═══════════ VISUALIZADOR DO MANUAL (OVERLAY) ═══════════ */
.manual-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99990;
    background: var(--white);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.manual-overlay.active {
    opacity: 1;
    visibility: visible;
}

.manual-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--navy-mid) 0%, var(--teal) 100%);
    flex-shrink: 0;
    padding-top: max(12px, env(safe-area-inset-top));
}

.manual-topbar-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
}

.manual-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.manual-close-btn:hover,
.manual-close-btn:active {
    background: rgba(255, 255, 255, 0.35);
}

.manual-frame {
    flex: 1;
    width: 100%;
    border: none;
    background: var(--gray-100);
}

/* ═══════════ BOTÃO FLUTUANTE SUPORTE (WhatsApp) ═══════════ */
.fab-suporte {
    position: fixed;
    bottom: 24px;
    right: 20px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 99997;
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.fab-suporte:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
}

.fab-suporte:active {
    transform: scale(0.95);
}

.fab-suporte-icon {
    font-size: 28px;
    line-height: 1;
    position: relative;
    z-index: 1;
}

.fab-suporte-pulse {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.3);
    animation: fabPulse 2.5s ease-in-out infinite;
    z-index: 0;
}

@keyframes fabPulse {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50%      { transform: scale(1.35); opacity: 0; }
}

@media (max-width: 480px) {
    .fab-suporte {
        bottom: 20px;
        right: 16px;
        width: 52px;
        height: 52px;
    }
    .fab-suporte-icon { font-size: 26px; }
}