/* --- FUNDAÇÃO E IDENTIDADE VISUAL --- */
@import url('../../shared/base.css');

:root {
    /* TEMA CLARO (PADRÃO) */
    --bg: #f0f2f5;
    --surface: #ffffff;
    --text: #212529;
    --text-secondary: #6c757d;
    --border: #dee2e6;
    --shadow: 0 2px 8px rgba(0,0,0,0.07);

    /* Cores de destaque padrão do repositório */
    --primary: #2563eb;
    --secondary: #003366;
    --cor-destaque: #ffc107;
    --cor-sucesso: #28a745;
    --cor-erro: #dc3545;
    --accent-light: #fff3cd;

    --radius: 12px;
    --radius-sm: 8px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --transition: 0.3s ease;
}

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

/* --- ESTILOS GERAIS E LAYOUT --- */
* { 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 REFINADO --- */
.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 PRINCIPAL (GRID) --- */
.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 E TÍTULOS --- */
.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;
    gap: 0.75rem;
}
body.dark-theme .card h2 { color: var(--text); }

/* --- FORMULÁRIOS E INPUTS --- */
.input-group { margin-bottom: 1rem; }
.input-group label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: .4rem;
}
.input-group select,
.input-group input[type="text"],
.input-group input[type="number"] {
    width: 100%;
    padding: .7rem .85rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background-color: var(--bg);
    color: var(--text);
    font-size: .9rem;
    transition: border-color .2s, box-shadow .2s;
}
.input-group select:focus, .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: repeat(auto-fit, minmax(min(120px, 100%), 1fr));
    gap: 1rem;
}

/* --- BOTÕES --- */
.button-group { display: flex; gap: .75rem; margin-top: auto; padding-top: 1rem; }
.main-button, .secondary-button {
    padding: .85rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex: 1;
}
.main-button {
    background-color: var(--primary);
    color: white;
}
.secondary-button {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--border);
}
body.dark-theme .secondary-button { color: var(--text); }
.main-button:hover { opacity: 0.9; }
.secondary-button:hover { background: var(--bg); }
body.dark-theme .secondary-button:hover { background: var(--border); }
.main-button:active, .secondary-button:active { transform: scale(.98); }

/* --- RESULTADOS --- */
.resultado-container { margin-top: 1.5rem; padding: 1rem; border-radius: var(--radius-sm); transition: all 0.3s ease; }
.resultado-container h3 { margin-bottom: 1rem; font-size: 1.1rem; font-weight: 700; color: var(--text); }
.resultado-display { display: flex; flex-direction: column; gap: 0.5rem; }
.result-main-text { font-size: 1.2rem; font-weight: bold; }
.result-sub-text { color: var(--text-secondary); font-size: 0.9rem; }
.resultado-container.success { border-left: 4px solid var(--cor-sucesso); background-color: rgba(40, 167, 69, 0.1); }
.resultado-container.warning { border-left: 4px solid var(--cor-destaque); background-color: var(--accent-light); }
.resultado-container.error { border-left: 4px solid var(--cor-erro); background-color: rgba(220, 53, 69, 0.1); }
body.dark-theme .resultado-container.success { background-color: rgba(40, 167, 69, 0.2); }
body.dark-theme .resultado-container.warning { background-color: rgba(255, 193, 7, 0.2); }
body.dark-theme .resultado-container.error { background-color: rgba(220, 53, 69, 0.2); }
.hidden { display: none !important; }

#results-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    margin: 0 0 1rem 0;
    padding-bottom: 0.75rem;
}
#results-card .card-header h2 {
    border: none;
    margin: 0;
    padding: 0;
}

.info-box { background: var(--bg); padding: 1rem; border-radius: var(--radius-sm); margin-top: 1rem; font-size: 0.9rem; }

/* --- RESPONSIVIDADE DESKTOP --- */
@media (min-width: 1024px) {
    .app-main {
        grid-template-columns: 1fr 1fr; 
        gap: 1.5rem;
        padding: 1.5rem;
        max-width: 1600px;
        margin: 0 auto;
    }
    #inputs-column, #outputs-column {
        gap: 1.5rem;
    }
}