:root {
    /* Paleta K7CVV - VERMELHO | PRETO | BRANCO | CINZA */
    --vermelho-acao: #DC143C;
    --vermelho-escuro: #B71C1C;
    --preto: #000000;
    --preto-suave: #1a1a1a;
    --branco: #FFFFFF;
    --cinza-claro: #F5F5F5;
    --cinza-medio: #9E9E9E;
    --cinza-escuro: #424242;
    
    /* Compatibilidade */
    --azul-primario: #000000;
    --verde-acento: #DC143C;
    --fundo-claro: #F5F5F5;
    --texto-escuro: #1a1a1a;
    --neutro-borda: #9E9E9E;
    --azul-escuro: #000000;
    --verde-hover: #B71C1C;
    --vermelho-hover: #B71C1C;
    --texto-secundario: #424242;

    --bg-primary: #F5F5F5;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-hover: #F5F5F5;

    --text-primary: #000000;
    --text-secondary: #1a1a1a;
    --text-muted: #424242;

    --border-color: #9E9E9E;
    --border-accent: #424242;

    --gold: #DC143C;
    --gold-soft: #DC143C;
    --gold-dark: #B71C1C;

    --success: #DC143C;
    --warning: #DC143C;
    --danger: #DC143C;
    --info: #000000;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(74, 155, 142, 0.5), 0 0 20px rgba(74, 155, 142, 0.3);
    }
    50% {
        text-shadow: 0 0 20px rgba(74, 155, 142, 0.8), 0 0 30px rgba(74, 155, 142, 0.5), 0 0 40px rgba(74, 155, 142, 0.3);
    }
}

.brand-animated {
    display: inline-block;
    animation: glow 2s ease-in-out infinite;
    font-weight: 700;
    letter-spacing: 1px;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes floatBubbles {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, -60px) scale(0.9);
    }
    75% {
        transform: translate(-40px, -30px) scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes waterFlow {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-20px) translateX(10px) scale(1.05);
        opacity: 0.8;
    }
}

@keyframes bubbles {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    50% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* Body e Fundo */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Inter, sans-serif;
    color: var(--texto-escuro);
    background-color: var(--fundo-claro);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}


/* iOS-safe fixed wallpaper using a pseudo-element */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(1200px 600px at 20% 10%, rgba(74, 155, 142, 0.03), transparent 60%),
                radial-gradient(900px 500px at 80% 80%, rgba(27, 43, 58, 0.02), transparent 60%),
                linear-gradient(180deg, #F8F9FA 0%, #FFFFFF 100%);
}

/* Mobile refinements */
@media (max-width: 576px) {
    .container,
    .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    h1, .h1 { font-size: 1.6rem; }
    h2, .h2 { font-size: 1.4rem; }
    h3, .h3 { font-size: 1.2rem; }

    .btn {
        min-height: 44px; /* comfortable tap target */
    }

    .navbar .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .card .card-body { padding: 0.75rem; }
    .card .card-header { padding: 0.6rem 0.75rem; }
    .card .card-footer { padding: 0.6rem 0.75rem; }
}

/* Remover fundos animados para estética limpa */
body::after { display: none !important; }

.animated-bg-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
    opacity: 0.25;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.15;
    animation: floatBubbles 30s ease-in-out infinite;
}

.orb:nth-child(1) {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(74, 155, 142, 0.15), transparent);
    top: -10%;
    left: -10%;
    animation-duration: 35s;
}

.orb:nth-child(2) {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(27, 43, 58, 0.1), transparent);
    top: 50%;
    right: -10%;
    animation-duration: 40s;
    animation-delay: 10s;
}

.orb:nth-child(3) {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(74, 155, 142, 0.12), transparent);
    bottom: -10%;
    left: 30%;
    animation-duration: 45s;
    animation-delay: 20s;
}

.orb:nth-child(4) {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(74, 155, 142, 0.08), transparent);
    top: 30%;
    left: 50%;
    animation-duration: 42s;
    animation-delay: 8s;
}

body > *:not(.animated-bg-orbs) {
    position: relative;
    z-index: 1;
}

/* Navbar */
.navbar {
    background: #ffffff !important;
    border-bottom: 1px solid var(--neutro-borda);
    padding: 0.5rem 0;
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 8px rgba(27, 43, 58, 0.08);
}

.navbar-brand {
    color: var(--azul-primario) !important;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 1px;
    transition: all 0.3s;
    text-shadow: none;
}

.navbar-brand:hover {
    color: var(--vermelho-acao) !important;
    text-shadow: none;
}

.nav-link {
    color: var(--azul-primario) !important;
    transition: color 0.2s ease;
    margin: 0 0.5rem;
    padding: 0.5rem 0.75rem !important;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--verde-acento) !important;
    background-color: rgba(74, 155, 142, 0.08);
    text-shadow: none;
}

/* Cards */
.card {
    background: #ffffff;
    border: 1px solid var(--neutro-borda);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(27, 43, 58, 0.08);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.card:hover { 
    box-shadow: 0 4px 16px rgba(27, 43, 58, 0.12);
    border-color: var(--verde-acento);
    transform: translateY(-3px);
}

.card-header {
    background: var(--fundo-claro);
    color: var(--azul-primario);
    font-weight: 600;
    border-bottom: 1px solid var(--neutro-borda);
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    color: var(--azul-primario);
}

/* Botões */
.btn-primary {
    background: var(--vermelho-acao);
    border: 2px solid var(--vermelho-acao);
    color: #ffffff;
    font-weight: 600;
    padding: 0.7rem 1.2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(196, 30, 58, 0.2);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
    background: #A81A30;
    border-color: #A81A30;
}

.btn-success {
    background: var(--verde-acento);
    border: 2px solid var(--verde-acento);
    color: #ffffff;
    font-weight: 600;
    padding: 0.7rem 1.2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(74, 155, 142, 0.2);
}

/* Botões vermelho ação (ex-dourado) */
.btn-gold {
    background: var(--vermelho-acao);
    border: 2px solid var(--vermelho-acao);
    color: #ffffff;
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.btn-gold:hover { 
    filter: brightness(0.9);
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 155, 142, 0.3);
    background: #3D8477;
    border-color: #3D8477;
}

/* Inputs e Forms */
.form-control,
.form-select {
    background: #ffffff;
    border: 1px solid var(--neutro-borda);
    color: var(--texto-escuro);
    border-radius: 8px;
    padding: 0.7rem 1rem;
}

/* Correções de espaçamento para mobile (Android/iOS) */
.container { padding-top: 1rem; padding-bottom: 1.25rem; }
.py-5 { padding-top: 1.25rem !important; padding-bottom: 1.25rem !important; }
.cards-grid { gap: 1rem; }
.page-header { margin-bottom: 1.5rem; }
.page-header h1 { margin-bottom: 0.25rem; }
.card-body { padding: 1rem; }
.table tbody td { padding: 0.75rem; }
.stats-row { gap: 0.75rem; }

/* Badges de destaque */
.badge.bg-success { 
    background-color: var(--verde-acento) !important; 
    color: #ffffff; 
}
.price { 
    color: var(--vermelho-acao); 
    -webkit-text-fill-color: unset; 
    background: none; 
}

.form-control:focus,
.form-select:focus {
    background: #ffffff;
    border-color: var(--verde-acento);
    box-shadow: 0 0 0 3px rgba(74, 155, 142, 0.1);
    color: var(--texto-escuro);
}

.form-control::placeholder {
    color: #94A3B8;
}

.form-label {
    color: var(--azul-primario);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Alerts */
.alert {
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.alert-success {
    background: rgba(74, 155, 142, 0.08);
    border-left: 3px solid var(--verde-acento);
    color: #2D6B61;
}

.alert-info {
    background: rgba(27, 43, 58, 0.05);
    border-left: 3px solid var(--azul-primario);
    color: var(--azul-primario);
}

.alert-warning {
    background: rgba(251, 191, 36, 0.1);
    border-left-color: var(--warning);
    color: #fcd34d;
}

.alert-danger {
    background: rgba(196, 30, 58, 0.08);
    border-left: 3px solid var(--vermelho-acao);
    color: #8B1530;
}

/* Tabelas */
table {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 10px;
    overflow: hidden;
}

table thead {
    background: var(--fundo-claro);
    color: var(--azul-primario);
}

table thead th {
    padding: 1rem;
    font-weight: 600;
    color: var(--azul-primario);
    border-bottom: 1px solid var(--neutro-borda);
}

table tbody tr {
    transition: all 0.2s;
    background: #ffffff;
    border-bottom: 1px solid var(--neutro-borda);
}

table tbody tr:hover {
    background: rgba(74, 155, 142, 0.04);
}

table tbody td {
    padding: 1rem;
    color: var(--texto-escuro);
}

/* Footer */
footer {
    background: var(--fundo-claro);
    color: var(--texto-escuro);
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--neutro-borda);
}

/* Main */
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Badges */
.badge {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
}

.badge.bg-success {
    background: var(--verde-acento) !important;
    color: #ffffff !important;
}

.badge.bg-danger {
    background: var(--vermelho-acao) !important;
    color: #ffffff !important;
}

.badge.bg-warning {
    background: #F59E0B !important;
    color: #ffffff !important;
}

.badge.bg-info {
    background: var(--azul-primario) !important;
    color: #ffffff !important;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--azul-primario);
}

.hero .lead {
    color: var(--texto-escuro);
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

/* Price */
.price {
    font-size: 3rem;
    font-weight: 900;
    color: var(--vermelho-acao);
    text-shadow: none;
    letter-spacing: 2px;
}

/* Spinner */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner {
    border: 4px solid rgba(74, 155, 142, 0.15);
    border-left-color: var(--verde-acento);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

/* Utilities */
.text-muted {
    color: #94A3B8 !important;
}

.bg-dark {
    background: var(--azul-primario) !important;
}

.border {
    border-color: var(--neutro-borda) !important;
}

/* Estilo dos cards de categorias CC */
.category-card-wrapper {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(27, 43, 58, 0.08);
    transition: all 0.4s ease;
    height: 100%;
    border: 1px solid var(--neutro-borda);
}

.category-card-wrapper:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(27, 43, 58, 0.15);
    border-color: var(--verde-acento);
}

.card-visual {
    width: 100%;
    height: 200px;
    padding: 25px;
    color: white;
    position: relative;
    font-family: 'Courier New', monospace;
    overflow: hidden;
}

.card-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.card-chip-visual {
    width: 50px;
    height: 38px;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border-radius: 8px;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.card-chip-visual::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 50%;
    background: rgba(0, 0, 0, 0.15);
    top: 0;
    left: 0;
    border-radius: 8px 8px 0 0;
}

.card-chip-visual::after {
    content: '';
    position: absolute;
    width: 80%;
    height: 65%;
    top: 17%;
    left: 10%;
    background: repeating-linear-gradient(
        90deg,
        rgba(0,0,0,0.12) 0px,
        rgba(0,0,0,0.12) 2px,
        transparent 2px,
        transparent 4px
    );
}

.card-icon-visual {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 45px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.card-category-name {
    position: absolute;
    bottom: 55px;
    left: 25px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
}

.card-dots {
    position: absolute;
    bottom: 25px;
    left: 25px;
    font-size: 18px;
    letter-spacing: 3px;
    opacity: 0.8;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.card-details {
    padding: 25px;
}

.price-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--neutro-borda);
    margin-bottom: 15px;
}

.price-label {
    font-size: 14px;
    color: #94A3B8;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price-value {
    font-size: 32px;
    font-weight: 900;
    color: var(--vermelho-acao);
}

.stock-section {
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    background: var(--fundo-claro);
}

.stock-available {
    color: var(--verde-acento);
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.stock-unavailable {
    color: var(--vermelho-acao);
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-buy-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 28px;
    background: var(--vermelho-acao);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(196, 30, 58, 0.2);
    border-radius: 10px;
}

.btn-buy-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
    background: #A81A30;
    color: white;
}

.btn-buy-card i {
    font-style: normal;
    font-size: 20px;
    transition: transform 0.3s;
}

.btn-buy-card:hover i {
    transform: translateX(5px);
}