/* --- ESTILOS ESPECÍFICOS TINTA --- */
:root {
    --cor-primaria: #d97706;
    /* Cor de Tinta/Construção Laranja Escuro */
    --cor-primaria-light: #f59e0b;
    --cor-secundaria: #16a34a;
    --cor-fundo: #f1f5f9;
    --cor-card: #ffffff;
    --cor-texto: #1f2933;
    --cor-texto-suave: #64748b;
    --cor-danger: #ef4444;
}

[data-theme="dark"] {
    --cor-fundo: #0f172a;
    --cor-card: #1e293b;
    --cor-texto: #e2e8f0;
    --cor-texto-suave: #94a3b8;
}

body {
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    /* padding-bottom: 40px; */
}

.calculator-wrapper {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Card Principal */
.calc-card {
    background-color: var(--cor-card);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    border-top: 4px solid var(--cor-primaria);
}

.calc-header {
    text-align: center;
    margin-bottom: 30px;
}

.calc-header h2 {
    font-size: 26px;
    margin-bottom: 8px;
    color: var(--cor-texto);
}

/* Configuração Global (Rendimento e Mãos) */
.config-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
    background: rgba(217, 119, 6, 0.05);
    padding: 15px;
    border-radius: 12px;
}

/* Listas Dinâmicas */
.dynamic-section {
    margin-bottom: 25px;
}

.section-title {
    font-weight: 700;
    color: var(--cor-texto);
    margin-bottom: 10px;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.list-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 30px;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

input,
select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    font-size: 14px;
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    outline: none;
}

input:focus,
select:focus {
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.btn-remove {
    background: rgba(239, 68, 68, 0.1);
    color: var(--cor-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    height: 100%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.btn-remove:hover {
    background: var(--cor-danger);
    color: white;
}

/* Botões */
.btn-add {
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 2px dashed var(--cor-primaria);
    color: var(--cor-primaria);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 20px;
    transition: 0.2s;
}

.btn-add:hover {
    background: rgba(217, 119, 6, 0.05);
}

.btn-calc {
    width: 100%;
    padding: 16px;
    border-radius: 8px;
    border: none;
    background-color: var(--cor-primaria);
    color: white;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 4px 6px rgba(217, 119, 6, 0.2);
}

.btn-calc:hover {
    background-color: #b45309;
}

/* Resultados */
.result-area {
    display: none;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
    text-align: center;
}

.result-summary {
    background: rgba(217, 119, 6, 0.1);
    border: 1px solid rgba(217, 119, 6, 0.2);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.liters-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--cor-primaria);
    line-height: 1;
}

/* Lista de Latas */
.cans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    text-align: left;
}

.can-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
}

.can-icon {
    font-size: 24px;
    margin-bottom: 5px;
    display: block;
}

.can-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--cor-texto-suave);
    text-transform: uppercase;
}

.can-qty {
    font-size: 20px;
    font-weight: 800;
    color: var(--cor-texto);
    margin-top: 5px;
}

/* Conteúdo Educativo */
.tips-card {
    /* background: var(--cor-card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05); */
    background: rgba(71, 85, 105, 0.1);
    padding: 20px;
    border-left: 4px solid var(--cor-primaria);
    border-radius: 8px;
    margin-top: 20px;
}

.tips-card h3 {
    margin-top: 0;
    color: var(--cor-texto);
}

@media (max-width: 600px) {

    .config-row,
    .cans-grid {
        grid-template-columns: 1fr;
    }

    .list-row {
        grid-template-columns: 1fr 1fr 1fr 30px;
        gap: 5px;
    }
}

/* Conteúdo Lateral */
.tips-card {
    background: var(--cor-card);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--cor-borda);
    margin-bottom: 30px;
}

.tips-card h3 {
    margin-bottom: 15px;
    color: var(--cor-texto);
    font-size: 1. 4rem;
}

.tips-card ul {
    margin-left: 20px;
    color: var(--cor-texto-suave);
    line-height: 1.8;
}

.tips-card li {
    margin-bottom: 10px;
}

/* Links Externos */
.link-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 20px;
}

.link-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: 8px;
    text-decoration: none;
    color: var(--cor-texto);
    transition: transform 0.2s, box-shadow 0.2s;
    margin-bottom: 20px;
}

.link-card:hover {
    transform: translateY(-2px);
    border-color: var(--cor-primaria);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.link-icon {
    font-size: 24px;
    margin-right: 15px;
    color: var(--cor-primaria);
}

.link-title {
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.4;
}

.link-desc {
    font-size: 0.85rem;
    color: var(--cor-texto-suave);
}