:root {
    --bg: #0a0a0f;
    --bg-secondary: #0d0d1a;
    --bg-tertiary: #0a0a15;
    --bg-input: #1a1a2e;
    --border: #1e1e3a;
    --border-soft: #2a2a4a;

    --text: #ffffff;
    --text-muted: #aaaaaa;
    --text-dim: #888888;
    --text-faint: #555555;
    --text-faint2: #444444;
    --text-faint3: #666666;

    --accent1: #00c6ff;
    --accent1-rgb: 0,198,255;
    --accent2: #7b2ff7;

    --danger: #ff4444;
    --success: #44ff44;
    --whatsapp: #25D366;
}

[data-theme="light"] {
    --bg: #f3f4fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eceefa;
    --bg-input: #eef0f8;
    --border: #e1e3ef;
    --border-soft: #d2d5e6;

    --text: #15151f;
    --text-muted: #5b5b6c;
    --text-dim: #6f6f80;
    --text-faint: #8d8d9c;
    --text-faint2: #a7a7b5;
    --text-faint3: #6f6f80;

    --accent1: #0091c2;
    --accent1-rgb: 0,145,194;
    --accent2: #6c2bd9;

    --danger: #e0393e;
    --success: #1fb855;
    --whatsapp: #1fb855;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem 4rem;
    transition: background 0.2s, color 0.2s;
}

/* HEADER */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0.9rem 2rem;
    text-align: center;
    z-index: 100;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* BOX PRINCIPAL */
.box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0;
    width: 100%;
    max-width: 480px;
    margin-top: 5rem;
    overflow: hidden;
    box-shadow: 0 20px 60px var(--shadow, rgba(0,0,0,0.4));
}

/* PRODUTO TOPO */
.produto-topo {
    position: relative;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-input));
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
}

.produto-topo-img {
    width: 100%;
    max-height: 160px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1rem;
}

.produto-topo-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.produto-topo-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(var(--accent1-rgb),.13), rgba(var(--accent1-rgb),.13));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    border: 1px solid var(--border-soft);
}

.produto-topo-nome {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    line-height: 1.3;
}

.produto-topo-preco {
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* SELOS */
.selos-checkout {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.selo-checkout {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    color: var(--text-dim);
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    padding: 4px 10px;
}

/* FORMULÁRIO */
.form-inner {
    padding: 1.5rem;
}

.form-titulo {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 1.25rem;
    text-align: center;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
    font-size: 0.82rem;
    color: var(--text-dim);
    display: block;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    color: var(--text);
    font-size: 0.95rem;
    outline: none;
    transition: border 0.2s;
}

.form-group input:focus { border-color: var(--accent2); }

.btn-pagar {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: opacity 0.2s;
    box-shadow: 0 8px 25px rgba(var(--accent1-rgb),0.2);
}

.btn-pagar:hover { opacity: 0.88; }

.seguranca {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-faint2);
    margin-top: 1rem;
}

.garantias {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}

.garantia-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-faint3);
}

.erro {
    background: #2a0a0a;
    border: 1px solid #ff4444;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    color: #ff6666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* PIX */
/* PIX */
.pix-box {
    text-align: center;
    padding: 1.5rem;
}

.pix-box h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.pix-box p {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.pix-box img {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 2px solid var(--border-soft);
}

.timer {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent1);
    margin-bottom: 1rem;
}

.copia-cola {
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    word-break: break-all;
    margin-bottom: 1rem;
    text-align: left;
}

.btn-copiar {
    width: 100%;
    padding: 0.8rem;
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    margin-bottom: 1rem;
    transition: border-color 0.2s;
}

.btn-copiar:hover { border-color: var(--accent2); }

.status-check {
    font-size: 0.85rem;
    color: var(--text-faint);
    margin-top: 0.5rem;
}

.status-pago {
    background: #0a2a0a;
    border: 1px solid #44ff44;
    border-radius: 10px;
    padding: 1rem;
    color: #66ff66;
    text-align: center;
    font-weight: 600;
    display: none;
}

/* WhatsApp flutuante */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    background: #25D366;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37,211,102,0.4);
    text-decoration: none;
    transition: transform 0.2s;
}

.whatsapp-float:hover { transform: scale(1.1); }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }

/* RESPONSIVO */
@media (max-width: 480px) {
    .box { border-radius: 16px; }
    .produto-topo-img { max-height: 130px; }
    .btn-pagar { font-size: 1rem; }
}

/* TOGGLE DE TEMA */
.theme-toggle {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    width: 36px;
    height: 36px;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, transform 0.2s;
}

.theme-toggle:hover {
    border-color: var(--accent2);
    transform: translateY(-50%) scale(1.06);
}