/* --- Fontes, Cores e Variáveis --- */
:root {
    --background-color: #09090b;
    --section-background: #111115;
    --primary-text-color: #fafafa;
    --secondary-text-color: #a1a1aa;
    --border-color: #3f3f46;
    --input-background: #27272a;
    --accent-color-blue: #38bdf8;
    --accent-color-red: #f43f5e;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--primary-text-color);
    margin: 0;
    padding: 2rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.main-container {
    max-width: 800px;
    margin: 0 auto;
}

/* --- Cabeçalho --- */
.main-header {
    text-align: center;
    margin-bottom: 3rem;
}
.main-header h1 {
    font-size: 1.875rem; /* 30px */
    font-weight: 600;
}
.main-header p {
    font-size: 1rem; /* 16px */
    color: var(--secondary-text-color);
}

/* --- Estrutura das Seções --- */
.form-section, .results-section {
    background-color: var(--section-background);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem; /* 12px */
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.125rem; /* 18px */
    font-weight: 500;
    margin: 0 0 1.5rem 0;
    padding: 0;
    border-bottom: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
h3 {
    font-size: 0.875rem; /* 14px */
    color: var(--secondary-text-color);
    margin: 0 0 1rem 0;
    font-weight: 500;
}

/* --- Drop Zone (G-Code) --- */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    color: var(--secondary-text-color);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.02);
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent-color-blue);
    background-color: rgba(56, 189, 248, 0.05);
    color: var(--primary-text-color);
}
.drop-zone p { margin: 0; pointer-events: none; }

/* --- Grid e Layout --- */
.grid-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}
.form-group.full-width {
    grid-column: 1 / -1;
}
.cost-group { padding: 0; border: none; }
.modelo-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

/* --- Estilos dos Campos --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--secondary-text-color);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
input[type="text"], input[type="number"], select {
    background-color: var(--input-background);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.625rem 0.875rem;
    color: var(--primary-text-color);
    font-size: 0.875rem;
    font-family: 'Inter', sans-serif;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}
input::placeholder, select { color: #71717a; }
input:focus, select:focus {
    outline: none;
    border-color: var(--accent-color-blue);
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}
.time-group > div { display: flex; gap: 0.5rem; }
.time-total-display { text-align: right; font-size: 0.875rem; color: var(--secondary-text-color); margin-top: 0.25rem; height: 1rem; }

/* --- Acessórios e Botões --- */
.acessorio-item { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 0.5rem; }
.acessorio-item input[type="text"] { flex-grow: 1; }
.acessorio-item input[type="number"] { width: 120px; flex-shrink: 0; }
.add-item-row input[type="number"] { width: 120px; }

.btn-add, .btn-remover {
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    font-size: 1.5rem;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-add { background-color: var(--accent-color-blue); }
.btn-remover { background-color: var(--accent-color-red); font-size: 1rem; }
.btn-add:hover { background-color: #0ea5e9; }
.btn-remover:hover { background-color: #e11d48; }

/* --- Resultados --- */
.results-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.results-card { background-color: transparent; border: 1px solid var(--border-color); border-radius: 0.5rem; padding: 1.5rem; }
.results-card h3 { margin-top: 0; text-align: center; color: var(--primary-text-color); font-size: 1rem; font-weight: 500; }
.result-item { display: flex; justify-content: space-between; padding: 0.625rem 0; font-size: 0.875rem; }
.result-item span { color: var(--secondary-text-color); }
.results-card hr { border: none; border-top: 1px solid var(--border-color); margin: 0.5rem 0; }
.result-item.total strong { font-size: 1rem; color: var(--accent-color-blue); font-weight: 600; }

/* --- Botões Exportação --- */
.export-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-export {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, filter 0.2s;
    color: white;
}
.btn-export:hover { transform: translateY(-2px); filter: brightness(1.1); }
.btn-interno { background-color: #f97316; }
.btn-cliente { background-color: #10b981; }

/* --- Efeito de Brilho --- */
.form-section, .results-section { position: relative; overflow: visible; }
.form-section::before, .results-section::before {
    content: ""; position: absolute; z-index: -1; top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 0.75rem;
    background: radial-gradient(ellipse 100% 100%, rgba(255, 255, 255, 0.55), transparent 80%);
    filter: blur(20px);
}

/* Botão WhatsApp */
.btn-whatsapp {
    background-color: #25D366; /* Verde Oficial do WhatsApp */
}
.btn-whatsapp:hover {
    background-color: #1ebc57;
}