:root {
    /* Palette Morado/Lima */
    --sim-purple: #a70080; --sim-purple-darker: #8a0069; --sim-lime-accent: #c4d82e;
    --sim-text-dark: #333333; --sim-text-medium: #555555; --sim-text-label: var(--sim-text-medium);
    --sim-text-light: #ffffff; --sim-border-light: #dcdcdc; --sim-border-medium: #cccccc;
    --sim-bg-page: #ffffff; --sim-bg-card: #ffffff; --sim-bg-results: #f0f6fa;
    --sim-bg-input-accent: #f8f8f8;
    --sim-bg-advanced: #fdf6ff;

    /* Reassigning base variables */
    --primary-action-color: var(--sim-purple);
    --primary-action-hover: var(--sim-purple-darker);
    --bg-color: var(--sim-bg-page);
    --card-bg: var(--sim-bg-card);
    --background-color: var(--bg-color);
    --text-color: var(--sim-text-dark);
    --muted-color: var(--sim-text-medium);
    --text-color-secondary: var(--muted-color);
    --label-color: var(--sim-text-label);
    --border-color: var(--sim-border-light);
    --focus-color: var(--sim-lime-accent);
    --placeholder-color: #b0b0b0;
    --results-bg: var(--sim-bg-results);
    --advanced-bg: var(--sim-bg-advanced);
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --text-on-accent: var(--sim-text-light);
    --border-color-light: #eee;
    --font-primary: 'Lato', sans-serif;
    --font-headings: 'Montserrat', sans-serif;
    --base-spacing: 1rem; 
    --card-shadow: 0 2px 5px rgba(0, 0, 0, 0.06);
    --card-radius: 4px;
    --focus-color-translucent: rgba(196, 216, 46, 0.3);
}
/* --- General Styles --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 100%; }
body { font-family: var(--font-primary); line-height: 1.6; background-color: var(--bg-color); color: var(--text-color); padding: var(--base-spacing); font-size: 1rem; position: relative; }

.container { 
    max-width: 850px; /* ESTANDARIZADO: Width for simulator content areas */
    margin: 2rem auto; 
    padding: calc(var(--base-spacing) * 1.5); 
    background-color: var(--sim-bg-page); 
    border-radius: 0; 
    box-shadow: none; 
}

/* --- Language Switcher --- */
.language-switcher { position: absolute; top: 10px; right: 15px; display: flex; gap: 0.5rem; z-index: 1000; }
.lang-btn { background: none; border: 2px solid transparent; padding: 2px; cursor: pointer; border-radius: 50%; line-height: 0; transition: border-color 0.2s ease; }
.lang-btn svg { display: block; width: 26px; height: 26px; border-radius: 50%; box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.lang-btn.active { border-color: var(--primary-action-color); }
.lang-btn:not(.active):hover { border-color: var(--border-color); }

/* --- Header --- */
header { text-align: center; margin-bottom: calc(var(--base-spacing) * 2); padding-bottom: var(--base-spacing); border-bottom: 1px solid var(--border-color); padding-top: 35px; }
header h1 { font-family: var(--font-headings); color: var(--text-color); font-size: clamp(1.8rem, 4vw, 2.1rem); font-weight: 700; margin-bottom: 0.25rem; }
header h1 a { display: inline-block; line-height: 0; } 
header h1 img {
    display: block;
    margin: 0 auto 0.5rem auto;
    max-width: 90%;
    width: auto;
    max-height: 120px; 
    transition: max-height 0.3s ease;
}
header h2 { /* Page subtitle */
    color: var(--muted-color, #555);
    font-family: var(--font-headings, 'Montserrat', sans-serif);
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    font-weight: 500; /* Standardized for subtitles */
    margin-bottom: 1.5rem;
    text-align: center;
    line-height: 1.4;
    text-transform: none; /* Standardized */
}
header p { color: var(--muted-color); font-size: clamp(0.9rem, 2.5vw, 1rem); }

/* --- Buttons --- */
.main-controls { display: flex; justify-content: center; gap: var(--base-spacing); margin-bottom: calc(var(--base-spacing) * 2); flex-wrap: wrap; border-bottom: 1px solid var(--border-color); padding-bottom: calc(var(--base-spacing) * 1.5); }
.btn {
    padding: 0.6rem 1.3rem; border: 1px solid transparent; border-radius: var(--card-radius); cursor: pointer; font-family: var(--font-headings); font-weight: 500; font-size: 0.9rem; transition: all 0.2s ease-in-out; text-align: center; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; line-height: 1.4; text-decoration: none; user-select: none; vertical-align: middle;
}
.btn svg { flex-shrink: 0; display: inline-block; }
.btn span { flex-grow: 1; text-align: center; }
.btn-primary { background-color: var(--primary-action-color); color: white; border-color: var(--primary-action-color); }
.btn-primary:hover { background-color: var(--primary-action-hover); border-color: var(--primary-action-hover); box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.btn-secondary { background-color: transparent; color: var(--primary-action-color); border: 1px solid var(--primary-action-color); }
.btn-secondary:hover { background-color: var(--primary-action-color); color: white; border-color: var(--primary-action-color); box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.btn-danger { background-color: var(--danger-color); color: white; font-size: 0.8rem; padding: 0.3rem 0.6rem; line-height: 1; min-width: 25px; min-height: 25px; border-radius: 50%; border: none; }
.btn-danger:hover { background-color: #c82333; }
.toggle-advanced-btn { background-color: transparent; color: var(--primary-action-color); border: 1px solid var(--border-color); font-size: 0.8rem; padding: 0.3rem 0.8rem; margin-top: var(--base-spacing); width: 100%; }
.toggle-advanced-btn:hover { background-color: rgba(167, 0, 128, 0.05); }
.btn-success { color: #fff; background-color: var(--success-color, #198754); border-color: var(--success-color, #198754); }
.btn-success:hover { background-color: #157347; border-color: #146c43; }

/* --- Data Actions Dropdown --- */
.data-actions-container { position: relative; display: inline-block; }
#toggle-data-actions-btn svg { width: 1em; height: 1em;} 
.data-actions-dropdown { display: none; position: absolute; background-color: var(--card-bg); min-width: 180px; box-shadow: var(--card-shadow); z-index: 10; border-radius: var(--card-radius); border: 1px solid var(--border-color); margin-top: 5px; padding: 0.5rem 0; }
.data-actions-dropdown .btn-dropdown-item { color: var(--text-color); padding: 0.6rem 1rem; text-decoration: none; display: flex; align-items: center; gap: 0.5rem; background: none; border: none; width: 100%; text-align: left; font-size: 0.85rem; font-weight: normal; font-family: var(--font-primary); border-radius: 0; transition: background-color 0.2s;}
.data-actions-dropdown .btn-dropdown-item:hover { background-color: var(--bg-color); }

/* --- Property Cards Grid --- */
#properties-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: calc(var(--base-spacing) * 1.5); margin-bottom: calc(var(--base-spacing) * 2.5); }
.property-card { background-color: var(--card-bg); border-radius: var(--card-radius); box-shadow: var(--card-shadow); padding: calc(var(--base-spacing) * 1.5) calc(var(--base-spacing) * 1.8); border: 1px solid var(--border-color); position: relative; display: flex; flex-direction: column; }
.property-card .remove-property-btn { position: absolute; top: 12px; right: 12px; z-index: 2;}
.property-card h3 { /* Title inside individual property cards */
    font-family: var(--font-headings); 
    color: var(--text-color); /* Kept as --text-color for readability within cards, not --primary-action-color */
    font-size: 1.1rem; 
    margin-bottom: calc(var(--base-spacing) * 1.5); 
    display: flex; align-items: center; gap: 0.6rem; 
    border-bottom: 1px solid var(--border-color); 
    padding-bottom: 0.8rem; 
    text-transform: none; /* Standardized */
}
.property-card h3 input[type="text"] { flex-grow: 1; padding: 0.4rem 0.6rem; font-size: 1em; border: none; border-radius: 0; font-weight: 700; font-family: var(--font-headings); color: var(--text-color); background: transparent; min-width: 100px; }
.property-card h3 input[type="text"]:focus { outline: none; box-shadow: none; background-color: #f8f8f8; }
.property-card h3 svg { flex-shrink: 0; } 

/* --- Input Sections & Groups --- */
.input-section { margin-bottom: calc(var(--base-spacing)*1.5); padding-bottom: calc(var(--base-spacing)*1.5); border-bottom: 1px solid var(--border-color); }
.input-section:last-of-type { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.input-group { margin-bottom: var(--base-spacing); display: flex; flex-direction: column; }
.input-group:last-child { margin-bottom: 0; }

.input-group label { 
    margin-bottom: 0.5rem; /* ESTANDARIZADO */
    color: var(--label-color); 
    font-size: 0.9rem; /* ESTANDARIZADO (era 0.75rem) */
    font-weight: 700; /* ESTANDARIZADO (bold) */
    font-family: var(--font-headings); /* Montserrat para labels */
    text-transform: none; /* ESTANDARIZADO: No uppercase */
    letter-spacing: normal; /* ESTANDARIZADO (era 0.3px) */
}
.input-group label.checkbox-label { 
    text-transform: none; 
    font-size: 0.85rem; 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
    font-weight: normal; 
    color: var(--text-color); 
    font-family: var(--font-primary); 
}
.input-group input[type="checkbox"] { 
    width: auto; 
    margin-right: 0.5rem; 
    transform: scale(1); 
    accent-color: var(--primary-action-color); 
}
.input-group input[type="text"], .input-group input[type="number"], .input-group select { 
    padding: 0.75rem 0.7rem; 
    border: 1px solid var(--border-color); 
    border-radius: var(--card-radius); 
    font-size: 0.95rem; 
    width: 100%; 
    background-color: white; 
    color: var(--text-color); 
    transition: border-color 0.2s ease, box-shadow 0.2s ease; 
}
.input-group input::placeholder { color: var(--placeholder-color); font-weight: normal; }
.input-group input::-webkit-input-placeholder { color: var(--placeholder-color); } 
.input-group input::-moz-placeholder { color: var(--placeholder-color); opacity: 1; } 
.input-group input:-ms-input-placeholder { color: var(--placeholder-color); } 
.input-group input::-ms-input-placeholder { color: var(--placeholder-color); }
.input-group input:focus, .input-group select:focus { 
    outline: none; 
    border-color: var(--focus-color); 
    box-shadow: 0 0 0 2px var(--focus-color-translucent); 
}
.input-group .info { 
    font-size: 0.75rem; 
    color: var(--muted-color); 
    margin-top: 0.25rem; 
}
.income-fields-container { display: none; margin-top: calc(var(--base-spacing) * 0.75); padding-top: var(--base-spacing); padding-bottom: calc(var(--base-spacing)*0.5); border-left: 3px solid var(--sim-lime-accent); padding-left: calc(var(--base-spacing) * 1); margin-left: - calc(var(--base-spacing) * 1); }
.income-fields-container .input-group { padding-left: calc(var(--base-spacing) * 0.5); }
.property-card .calculate-btn-container { margin-top: var(--base-spacing); padding-top: 0; }
.property-card .calculate-btn { width: 100%; background-color: var(--primary-action-color); }

/* --- Advanced Options Section --- */
.advanced-options-section { display: none; margin-top: calc(var(--base-spacing) * 1.5); padding-top: calc(var(--base-spacing) * 1.5); border-top: 2px solid var(--primary-action-color); background-color: var(--sim-bg-advanced); padding: var(--base-spacing); border-radius: var(--card-radius); border: 1px solid var(--border-color); }
.advanced-options-section legend { font-weight: 700; font-family: var(--font-headings); color: var(--primary-action-color); margin-bottom: 0.75rem; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.5px; padding-bottom: 0.3rem; border-bottom: 1px dashed var(--border-color); display: block; width: 100%; }
.advanced-options-section .input-section { border-bottom: none; padding-bottom: 0; margin-bottom: var(--base-spacing); }

/* --- Results Section Styling --- */
.results-section { margin-top: var(--base-spacing); padding: calc(var(--base-spacing) * 1.2); background-color: var(--results-bg); border-radius: var(--card-radius); border: 1px solid #d3e3f1; display: block; font-size: 0.9rem; }
.results-section:empty { display: none; }
.chart-container { position: relative; width: 100%; max-width: 450px; height: 250px; margin: 0 auto 1.5rem auto; border-bottom: 1px solid var(--border-color-light); padding-bottom: 1rem; }
.chart-container canvas { max-width: 100%; max-height: 100%; }
.results-section h4 { /* Titles within results sections */
    font-family: var(--font-headings); 
    color: var(--text-color); /* Kept as --text-color for these specific sub-titles */
    margin-bottom: 1rem; 
    font-size: 1.05em; 
    text-align: center; 
    border-bottom: 1px solid var(--border-color); 
    padding-bottom: 0.7rem;
    text-transform: none; /* Standardized */
}
.results-section .result-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.6rem; padding-bottom: 0.6rem; line-height: 1.4; border-bottom: 1px solid #e8f1f8; gap: 0.5rem; }
.results-section .result-row:last-of-type { border-bottom: none; margin-bottom: 0; }
.primary-metrics, .secondary-metrics { padding: 0; margin: 0; }
.primary-metrics .result-row:last-child { border-bottom: 1px solid #e8f1f8; }
.secondary-metrics { display: none; margin-top: 0.6rem; padding-top: 0.6rem; border-top: 1px dashed var(--border-color); }
.secondary-metrics .result-row:last-of-type { border-bottom: none; }
.results-section .label { color: var(--label-color); padding-right: 0.5rem; flex-shrink: 0; font-size: 0.75rem; font-weight: normal; text-transform: uppercase; white-space: normal; }
.results-section .value { font-weight: 700; color: var(--text-color); text-align: right; font-size: 0.95rem; flex-grow: 1; min-width: 0; white-space: nowrap; }
.results-section .result-highlight { font-size: 1.3rem; color: var(--primary-action-color); align-self: center; }
.results-section .cashflow-positive { color: var(--success-color); font-weight: 700; }
.results-section .cashflow-negative { color: var(--danger-color); font-weight: 700; }
.maintenance-badge { padding: 0.2em 0.5em; border-radius: 4px; font-size: 0.8em; font-weight: 700; color: white; text-align: center; display: inline-block; vertical-align: baseline; }
.maintenance-maintenance_low { background-color: var(--success-color); }
.maintenance-maintenance_medium { background-color: var(--warning-color); color: #333; }
.maintenance-maintenance_high { background-color: var(--danger-color); }
.results-section .income-source-info { font-size: 0.8em; font-style: italic; color: var(--muted-color); margin-top: 0.75rem; text-align: center; border-top: 1px dashed var(--border-color); padding-top: 0.75rem; line-height: 1.5; display: block; }
.results-section .income-source-info .label { display: inline; padding-right: 0.3em; text-transform: none; font-size: 1em; font-weight: normal; color: var(--muted-color); }
.results-section .income-source-info .value { display: inline; font-weight: normal; font-size: 1em; text-align: center; white-space: normal; color: var(--muted-color);}
.toggle-metrics-btn { background: none; border: none; color: var(--primary-action-color); text-decoration: underline; cursor: pointer; font-size: 0.8rem; padding: 0.5rem 0 0 0; margin-top: 0.5rem; display: block; text-align: center; width: 100%; }
.toggle-metrics-btn:hover { color: var(--primary-action-hover); }

/* --- Comparison Section Styling --- */
#comparison-section { margin-top: calc(var(--base-spacing) * 3); padding-top: calc(var(--base-spacing) * 1.5); border-top: 1px solid var(--border-color); }
#comparison-section h2 { /* Main title for Comparison Section */
    font-family: var(--font-headings); 
    color: var(--primary-action-color); /* ESTANDARIZADO */
    text-align: center; 
    margin-bottom: var(--base-spacing); 
    font-size: 1.5rem; 
    font-weight: 700; /* Standardized */
    text-transform: none; /* Standardized */
}
.comparison-controls { display: flex; justify-content: center; align-items: center; gap: var(--base-spacing); margin-bottom: calc(var(--base-spacing) * 2); flex-wrap: wrap; }
.comparison-controls label { font-weight: normal; color: var(--label-color); font-size: 0.8rem; text-transform: uppercase; }
.comparison-controls select { padding: 0.5rem 1rem; border-radius: 4px; border: 1px solid var(--border-color); font-size: 0.95rem; background-color: white; cursor: pointer; min-width: 150px; }
#comparison-results-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: var(--base-spacing); } 
.comparison-card { background-color: var(--sim-bg-results); border-radius: var(--card-radius); box-shadow: var(--card-shadow); padding: var(--base-spacing); border: 1px solid #d3e3f1; transition: transform 0.2s ease, box-shadow 0.2s ease; display: flex; flex-direction: column; }
.comparison-card:hover { transform: translateY(-3px); box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1); }
.comparison-card h4 { font-family: var(--font-headings); color: var(--primary-action-color); margin-bottom: 0.75rem; text-align: center; border-bottom: 1px dashed var(--border-color); padding-bottom: 0.5rem; font-size: 1.05rem; text-transform: none; /* Standardized */ }
.comparison-card .result-row { margin-bottom: 0.5rem; font-size: 0.9rem; display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid #e0eaf1; padding-bottom: 0.4rem; gap: 0.5rem;}
.comparison-card .primary-metrics .result-row:last-child { border-bottom: 1px solid #e0eaf1; }
.comparison-card .secondary-metrics .result-row:last-of-type { border-bottom: none; }
.comparison-card .label { color: var(--label-color); padding-right: 0.5rem; flex-shrink: 0; font-size: 0.75rem; text-transform: uppercase; font-weight: normal; white-space: normal; text-align: left;}
.comparison-card .value { font-weight: 700; text-align: right; color: var(--text-color); font-size: 0.9rem; flex-grow: 1; min-width: 0; white-space: nowrap;}
.comparison-card .result-highlight { font-size: 1.1rem; font-weight: 700; }
.comparison-card .cashflow-positive { color: var(--success-color); } .comparison-card .cashflow-negative { color: var(--danger-color); }
.comparison-card .income-source-value { font-style: italic; font-size: 0.9em; font-weight: normal; white-space: normal; }
.comparison-card .maintenance-value .maintenance-badge { display: inline-block; vertical-align: baseline; }
.comparison-card .comparison-footer { font-size: 0.8em; text-align: center; border-top: 1px dashed #eee; padding-top: 0.5rem; margin-top: auto; font-style: italic; color: var(--muted-color); }
.comparison-card .comparison-footer .label { display: inline; padding-right: 0.3em; text-transform: none; font-size: 1em; color: var(--muted-color);}
.comparison-card .comparison-footer .value { display: inline; text-align: center; font-weight: normal; font-size: 1em; color: var(--muted-color);}

/* --- Footer --- */
footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color, #ccc);
    font-size: 0.9rem;
    color: var(--muted-color, #555);
}
footer p {
    margin-bottom: 0.5rem; /* Espacio entre las líneas del footer */
}
footer p:last-child {
    margin-bottom: 0;
}
footer a {
    color: var(--primary-action-color);
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}


/* --- Responsive Adjustments --- */
@media (max-width: 768px) { 
    .container { 
        padding: var(--base-spacing); 
        margin-top: 1rem; 
        /* max-width will be 850px or less due to screen size */
    }
    #properties-container, #comparison-results-container { grid-template-columns: 1fr; } 
    .main-controls { flex-direction: column; align-items: stretch; gap: 0.75rem; }
    .main-controls > .btn, .main-controls > .data-actions-container { width: 100%; margin-bottom: 0; }
    .data-actions-container > #toggle-data-actions-btn { width: 100%;}
    .data-actions-dropdown { left: 0; right: auto; width: auto; min-width: 220px; max-width: 90vw;}
    .language-switcher { top: 8px; right: 8px;}
    .lang-btn svg{width: 24px; height: 24px;}
    .comparison-controls { flex-direction: column; align-items: stretch; gap: 0.75rem;}
    .comparison-controls label { text-align: center; }
    .comparison-controls select { width: 100%; }
    #sort-direction { margin-left: 0; }
    header h1 img { max-height: 120px; } 
    .results-section .value, .comparison-card .value { white-space: normal; }
    .chart-container { height: 220px; max-width: 100%; }
}
@media (max-width: 480px) { 
    html { font-size: 90%; }
    body { 
        padding-top: 50px; 
        padding-left: var(--base-spacing); 
        padding-right: var(--base-spacing);
        padding-bottom: var(--base-spacing);
    }
    .container { /* Applies to simulators */
        margin-top: 1rem; 
        padding-left: var(--base-spacing); 
        padding-right: var(--base-spacing);
    }
    header h1 { font-size: 1.6rem;}
    header h2 { font-size: 1rem; } 
    header p { font-size: 0.85rem; }
    #comparison-section h2 {font-size: 1.3rem; /* Adjusted for better prominence */}
    .property-card { padding: var(--base-spacing); }
    .advanced-options-section { padding: calc(var(--base-spacing)*0.8); }
    .results-section { padding: var(--base-spacing); }
    .comparison-card { padding: calc(var(--base-spacing)*0.8); }
    .btn { font-size: 0.85rem; padding: 0.5rem 1rem;}
    .input-group label { font-size: 0.85rem; /* Adjusted for consistency with 0.9rem base after html font-size change */ letter-spacing: normal; }
    .input-group input[type="text"], .input-group input[type="number"], .input-group select { font-size: 0.9rem; padding: 0.7rem 0.6rem; }
    .results-section .value { font-size: 0.9rem; }
    .results-section .result-highlight { font-size: 1.2rem; }
    .comparison-card .value { font-size: 0.85rem; }
    .comparison-card .result-highlight { font-size: 1rem; }
    header h1 img { max-height: 120px; } 
    .data-actions-dropdown { width: 95%; max-width: none; }
}