/* --- FUNDAÇÃO E IDENTIDADE VISUAL --- */
:root {
    --bg: #f0f2f5;
    --surface: #ffffff;
    --text: #212529;
    --text-secondary: #6c757d;
    --border: #dee2e6;
    --shadow: 0 2px 8px rgba(0,0,0,0.07);
    --primary: #2563eb;
    --cor-destaque: #ffc107;
    --cor-sucesso: #28a745;
    --cor-erro: #dc3545;
    --cor-alerta: #fd7e14;
    --accent-light: #fff3cd;
    --radius: 12px;
    --radius-sm: 8px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --transition: 0.3s ease;
}

body.dark-theme {
    --bg: #0a1929;
    --surface: #112233;
    --text: #e9ecef;
    --text-secondary: #8696a7;
    --border: #334b61;
    --shadow: 0 1px 3px rgba(0,0,0,0.4);
    --primary: #3b82f6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background-color: var(--bg); color: var(--text); line-height: 1.6; transition: background-color var(--transition), color var(--transition); overflow-x: hidden; -webkit-text-size-adjust: 100%; }
.app-container { display: flex; flex-direction: column; min-height: 100vh; width: 100%; }

/* --- HEADER --- */
.app-header { background: linear-gradient(145deg, #0f172a 0%, #1e3a5f 50%, #1a365d 100%); color: white; padding: 0.9rem 1rem; box-shadow: var(--shadow); z-index: 1000; position: sticky; top: 0; }
.header-content { display: flex; justify-content: space-between; align-items: center; max-width: 1600px; margin: 0 auto; }
.header-content h1 { font-size: 1rem; font-weight: 600; display: flex; align-items: center; gap: 0.75rem; margin: 0; }
.theme-switcher { display: flex; align-items: center; gap: .5rem; }
.switch { position: relative; display: inline-block; width: 50px; height: 26px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(255,255,255,0.25); transition: .4s; border-radius: 26px; }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--cor-destaque); }
input:checked + .slider:before { transform: translateX(24px); }

/* --- LAYOUT --- */
.app-main { flex-grow: 1; display: grid; grid-template-columns: 1fr; gap: 1rem; padding: 1rem; width: 100%; }
.app-main > * { min-width: 0; }
#inputs-column, #outputs-column { display: flex; flex-direction: column; gap: 1rem; }

/* --- CARDS --- */
.card { background-color: var(--surface); padding: 1.5rem; border-radius: var(--radius-sm); border: 1px solid var(--border); box-shadow: var(--shadow); transition: all var(--transition); display: flex; flex-direction: column; }
.card h2 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin: 0 0 1.5rem 0; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.card h2 div { display: flex; align-items: center; gap: 0.75rem; }
body.dark-theme .card h2 { color: var(--text); }

/* --- INPUTS --- */
.input-group { margin-bottom: 1rem; }
.input-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: .4rem; }
.input-group label span { font-weight: 400; font-size: 0.75rem; opacity: 0.8; }
.input-group input[type="number"] { width: 100%; padding: .85rem; border: 2px solid var(--border); border-radius: var(--radius-sm); background-color: var(--bg); color: var(--text); font-size: 1.1rem; font-weight: 600; transition: border-color .2s, box-shadow .2s; }
.input-group input:focus { outline: none; border-color: var(--cor-destaque); box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.15); }
.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* --- RESULTADOS --- */
.resultado-container { padding: 1.5rem; border-radius: var(--radius-sm); transition: all 0.3s ease; }
.resultado-display { display: flex; flex-direction: column; gap: 0.5rem; text-align: center; }
.result-main-text { font-size: 2.2rem; font-weight: bold; color: var(--primary); line-height: 1.1;}
.result-sub-text { color: var(--text-secondary); font-size: 0.95rem; font-weight: 600;}
.resultado-container.success { border-left: 4px solid var(--primary); background-color: rgba(37, 99, 235, 0.05); }
body.dark-theme .resultado-container.success { background-color: rgba(59, 130, 246, 0.1); }
body.dark-theme .result-main-text { color: var(--cor-destaque); }

/* --- ALERTAS --- */
#alertas-container { display: none; margin-top: 1rem; flex-direction: column; gap: 0.5rem; }
.alerta-item { background-color: rgba(253, 126, 20, 0.1); border-left: 4px solid var(--cor-alerta); padding: 0.75rem 1rem; border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 0.5rem; }
body.dark-theme .alerta-item { background-color: rgba(253, 126, 20, 0.15); }

/* --- TABELA DE COORDENADAS --- */
.table-container { overflow-x: auto; width: 100%; max-width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.comparison-table { width: 100%; border-collapse: collapse; text-align: center; }
.comparison-table th, .comparison-table td { padding: 0.75rem 0.5rem; border-bottom: 1px solid var(--border); vertical-align: middle; font-size: 0.95rem; }
.comparison-table thead { background-color: var(--bg); color: var(--text-secondary); font-size: 0.8rem; text-transform: uppercase;}
.comparison-table tbody tr:hover { background-color: var(--bg); }
.comparison-table td strong { color: var(--primary); font-size: 1rem;}
body.dark-theme .comparison-table td strong { color: var(--cor-destaque); }

/* Estilo da linha omitida */
.linha-omitida { opacity: 0.4; text-decoration: line-through; background-color: var(--bg); }
input[type="checkbox"].check-omitir { cursor: pointer; width: 1.2rem; height: 1.2rem; margin-right: 0.5rem; accent-color: var(--primary); }

/* --- BOTÕES E CANVAS --- */
.action-buttons { display: flex; gap: 0.5rem; }
.btn { padding: 0.5rem 1rem; border: none; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem;}
.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { background-color: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background-color: var(--bg); }

.canvas-container { display: flex; justify-content: center; align-items: center; padding: 1rem; background-color: var(--bg); border-radius: var(--radius-sm); border: 1px solid var(--border); margin-bottom: 1rem;}
canvas { max-width: 100%; height: auto; }

.info-box { background: var(--bg); padding: 1rem; border-radius: var(--radius-sm); margin-top: 1rem; font-size: 0.85rem; border-left: 3px solid var(--cor-destaque); color: var(--text-secondary); }
body.dark-theme .info-box { background-color: rgba(255, 193, 7, 0.05); }

/* --- RESPONSIVIDADE --- */
@media (min-width: 1024px) {
    .app-main { grid-template-columns: 420px 1fr; gap: 1.5rem; padding: 1.5rem; max-width: 1300px; margin: 0 auto; align-items: start; }
    #inputs-column { position: sticky; top: 80px; }
    #outputs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
    .card-full { grid-column: 1 / -1; }
}

/* --- MODO IMPRESSÃO --- */
@media print {
    body { background: white; color: black; }
    .app-header, #inputs-column, .theme-switcher, .action-buttons, .info-box { display: none !important; }
    .app-main { display: block; padding: 0; }
    .card { border: none; box-shadow: none; padding: 0; margin-bottom: 2rem; }
    .canvas-container { border: 1px solid #ccc; background: white; }
    .resultado-container.success { border: 1px solid #000; background: transparent; }
    .result-main-text, .comparison-table td strong { color: black !important; }
    .comparison-table th { background-color: #f0f0f0; color: black; border: 1px solid #000; }
    .comparison-table td { border: 1px solid #ccc; }
    #alertas-container { display: none !important; }
    .check-omitir { display: none !important; }
    .comparison-table th:first-child, .comparison-table td:first-child { display: none !important; }
}