:root {
    --primary-color: #4A90E2;
    --primary-light: #eff6ff;
    --primary-dark: #1d4ed8;
    --secondary-color: #50E3C2;
    --bg-color: #F8F9FA;
    --text-color: #333333;
    --text-muted: #64748b;
    --card-bg: #FFFFFF;
    --border-color: #dbe2ea;
    --danger-color: #E74C3C;
    --warning-color: #F39C12;
    --success-color: #2ECC71;
    --border-radius: 8px;
    --spacing: 16px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --card-bg: #1e293b;
    --border-color: #334155;
    --primary-color: #60a5fa;
    --primary-light: rgba(59, 130, 246, 0.1);
    --primary-dark: #93bbfd;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* Accessibility Focus */
*:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

nav button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    margin-left: 10px;
    font-weight: bold;
}

main {
    padding: var(--spacing);
    max-width: 1120px;
    margin: 0 auto;
}

.hidden {
    display: none !important;
}

.card {
    background-color: var(--card-bg);
    padding: var(--spacing);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: var(--spacing);
    cursor: pointer;
    transition: transform 0.2s;
    border: none;
    text-align: left;
    color: inherit;
    display: block;
    width: 100%;
}

.card:hover, .card:focus {
    transform: translateY(-5px);
}

.input-group {
    margin-bottom: 1rem;
}

.input-wrapper {
    display: flex;
    flex-direction: column;
    margin-bottom: 0;
}

.input-wrapper > label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.input-group {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    overflow: hidden;
    transition: all 0.2s ease;
}

.input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.input-group-prepend {
    background-color: #f1f5f9;
    padding: 0 14px;
    color: #64748b;
    border-right: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .input-group-prepend {
    background-color: #334155;
    color: #94a3b8;
    border-right-color: var(--border-color);
}

.input-group input {
    flex-grow: 1;
    border: none;
    padding: 10px 12px;
    background: transparent;
    color: var(--text-color);
    font-size: 1rem;
    width: 100%;
}

.input-group input:focus {
    outline: none;
}

input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}
input[type=number] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 1rem;
}
@media (min-width: 601px) {
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.tooltip {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.25rem;
}

.help-bubble {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: bold;
    cursor: help;
    margin-left: 5px;
    vertical-align: middle;
}
[data-theme="dark"] .help-bubble {
    background-color: var(--primary-dark);
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-secondary {
    background-color: #ddd;
    color: #333;
}

[data-theme="dark"] .btn-secondary {
    background-color: #334155;
    color: #e2e8f0;
}

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

.btn-back {
    background: none;
    color: var(--primary-color);
    padding: 0;
    margin-bottom: 1rem;
}

.resultado-box {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-left: 5px solid var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.alert {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
    margin-top: 10px;
}
.alert.success { background-color: rgba(46, 204, 113, 0.2); border-left: 4px solid var(--success-color); }
.alert.warning { background-color: rgba(243, 156, 18, 0.2); border-left: 4px solid var(--warning-color); }
.alert.danger { background-color: rgba(231, 76, 60, 0.2); border-left: 4px solid var(--danger-color); }

/* Simple CSS Charts */
.css-chart {
    margin: 15px 0;
}
.chart-label {
    font-size: 0.85rem;
    margin-bottom: 3px;
}
.chart-bar-bg {
    width: 100%;
    background-color: #eee;
    height: 12px;
    border-radius: 6px;
    margin-bottom: 10px;
    overflow: hidden;
}
[data-theme="dark"] .chart-bar-bg {
    background-color: #334155;
}
.chart-bar {
    height: 100%;
    transition: width 0.5s ease-in-out;
}
.fill-success { background-color: var(--success-color); }
.fill-danger { background-color: var(--danger-color); }

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Print Styles */
@media print {
    .print-hidden, header, .btn-back, #dashboard {
        display: none !important;
    }
    body {
        background-color: white;
        color: black;
    }
    .resultado-box {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}

/* Section Title */
.section-title {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 800;
    margin-top: 30px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================================
   SECTION CARD GRID — Moved to cards.css
   ============================================================ */

/* Legacy styling removed */

/* ============================================================
   LEGACY PANEL SUPPORT (backward compat)
   ============================================================ */

.section-panel {
    display: none;
}

.section-panel.is-active {
    display: block;
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    body * {
        visibility: hidden;
    }
    .print-hidden {
        display: none !important;
    }
    #resultado-emprendimiento, #resultado-emprendimiento *,
    #resultado-presupuesto, #resultado-presupuesto * {
        visibility: visible;
    }
    #resultado-emprendimiento, #resultado-presupuesto {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        border: none;
        box-shadow: none;
        padding: 0;
    }
    .print-only {
        display: block !important;
        margin-bottom: 20px;
    }
    .css-chart {
        page-break-inside: avoid;
    }
}
.print-only {
    display: none;
}