/* Base Styles & Variables */
:root {
    /* Dark Theme (Default) - Optimized for low eye strain in low light */
    --primary: #0f172a;
    --secondary: #1e293b;
    /* New Palette: Soothing Teal/Sage (Less straining than bright blue) */
    --accent: #5eead4;
    --accent-rgb: 94, 234, 212;
    /* Teal 300: Soft glowing teal */
    --accent-light: #99f6e4;
    /* Teal 200: Paler, softer teal */
    --text: #ffffff;
    /* Pure White */
    --text-dim: #f0f0f0;
    /* Off-White */
    --card-bg: #1e293b;
    --hover: #334155;
    --border: #475569;
    --shadow: rgba(0, 0, 0, 0.4);
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --glass: rgba(30, 41, 59, 0.7);
}

[data-theme="light"] {
    /* Light Theme - Optimized for daylight study */
    --primary: #f0fdfa;
    /* Teal 50 */
    --secondary: #ffffff;
    /* New Palette: Professional Deep Teal */
    --accent: #0d9488;
    --accent-rgb: 13, 148, 136;
    /* Teal 600: Deep, readable, natural */
    --accent-light: #14b8a6;
    /* Teal 500 */
    --text: #000000;
    --text-dim: #1a1a1a;
    --card-bg: #ffffff;
    --hover: #e5e7eb;
    /* Gray 200: Neutral gray for gradient */
    --border: #cbd5e1;
    --shadow: rgba(13, 148, 136, 0.15);
    /* Teal shadow */
    --bg-gradient: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
    /* Subtle Mint-to-Blue tint */
    --glass: rgba(255, 255, 255, 0.9);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Crimson Pro', serif;
    background: var(--bg-gradient);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.7;
    overflow-x: hidden;
    transition: background 0.5s ease, color 0.5s ease;
}

.background-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.04;
    background-image:
        repeating-linear-gradient(45deg, transparent, transparent 35px, var(--text) 35px, var(--text) 36px),
        repeating-linear-gradient(-45deg, transparent, transparent 35px, var(--text) 35px, var(--text) 36px);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 30px;
    position: relative;
    z-index: 1;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 80px;
    animation: fadeInDown 1s ease-out;
}

h1 {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.subtitle {
    font-family: 'DM Mono', monospace;
    font-size: 1rem;
    color: var(--text-dim);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 100;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: var(--text);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--shadow);
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    background: var(--hover);
    color: var(--accent);
}

/* Tabs */
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    animation: fadeInDown 0.9s ease-out;
}

.tab-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 12px 25px;
    border-radius: 30px;
    cursor: pointer;
    font-family: 'DM Mono', monospace;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.tab-btn:hover {
    background: var(--hover);
    color: var(--text);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--accent);
    color: #1e293b;
    /* Dark text for contrast against accent color */
    border-color: var(--accent);
    font-weight: 600;
    box-shadow: 0 0 20px rgba(94, 234, 212, 0.4);
}

[data-theme="light"] .tab-btn.active {
    color: #ffffff;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Calculator Styles */
.calculator-container {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px var(--shadow);
    border: 1px solid var(--border);
    max-width: 800px;
    margin: 0 auto;
}

.calculator-container .category-title {
    margin-bottom: 20px;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s ease;
}

.calc-row:last-child {
    border-bottom: none;
}

.calc-row:hover {
    background: var(--hover);
}

.calc-row.highlight {
    background: rgba(255, 255, 0, 0.1);
    /* Subtle yellow highlight for key results */
    border-left: 4px solid var(--accent);
}

[data-theme="light"] .calc-row.highlight {
    background: rgba(255, 255, 0, 0.3);
}

.calc-label {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text);
    flex: 1;
}

.calc-input-container {
    flex: 0 0 150px;
}

.calc-input {
    width: 100%;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-gradient);
    color: var(--text);
    font-family: 'DM Mono', monospace;
    text-align: right;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.calc-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.2);
}

/* Categories */
.category {
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.category:nth-child(1) {
    animation-delay: 0.1s;
}

.category:nth-child(2) {
    animation-delay: 0.2s;
}

.category:nth-child(3) {
    animation-delay: 0.3s;
}

.category:nth-child(4) {
    animation-delay: 0.4s;
}

.category:nth-child(5) {
    animation-delay: 0.5s;
}

.category-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 40px;
    color: var(--accent-light);
    padding-bottom: 15px;
    border-bottom: 3px solid var(--accent);
    display: inline-block;
}

/* Grid */
.indicators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    align-items: start;
}

/* Cards */
.indicator-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px var(--shadow);
    position: relative;
    height: 100%;
}

.indicator-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 50px rgba(94, 234, 212, 0.2);
}

.indicator-header {
    padding: 30px;
    background: linear-gradient(135deg, var(--hover) 0%, var(--card-bg) 100%);
    border-bottom: 2px solid transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.3s ease;
}

.indicator-card:hover .indicator-header {
    border-bottom-color: var(--accent);
}

.indicator-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
}

.indicator-icon {
    font-family: 'DM Mono', monospace;
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s ease;
}

.indicator-card:hover .indicator-icon {
    transform: translateX(5px);
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.tooltip-text {
    display: none;
    /* Hidden by default */
}

.info-icon:hover .tooltip-text {
    display: block;
    /* Show on hover */
}

.modal-content {
    background: var(--secondary);
    border-radius: 24px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--accent);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: 30px 40px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-light);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 2.5rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
    line-height: 1;
}

.modal-close:hover {
    background: var(--hover);
    color: var(--accent);
    transform: rotate(90deg);
}

.modal-body {
    padding: 40px;
    color: var(--text);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Content Sections */
.section {
    margin-bottom: 35px;
}

.section-title {
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.section-title::after {
    content: '';
    display: block;
    height: 1px;
    background: var(--border);
    flex-grow: 1;
    margin-left: 15px;
    opacity: 0.5;
}

.formula {
    background: var(--primary);
    padding: 30px;
    border-radius: 16px;
    font-family: 'DM Mono', monospace;
    font-size: 1.1rem;
    color: var(--accent-light);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    overflow-x: auto;
    margin-bottom: 15px;
}

.formula-main {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 15px;
    text-align: center;
    color: var(--text);
}

.formula-breakdown {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed var(--border);
}

/* Fractions */
.fraction {
    display: inline-flex;
    flex-direction: column;
    vertical-align: middle;
    text-align: center;
    margin: 0 10px;
}

.fraction-numerator {
    border-bottom: 2px solid var(--accent);
    padding-bottom: 5px;
    margin-bottom: 5px;
}

.fraction-denominator {
    padding-top: 5px;
}

/* Text Content */
.interpretation,
.actions {
    font-size: 1.1rem;
    line-height: 1.8;
}

.interpretation ul,
.actions ul {
    list-style: none;
    padding-left: 0;
}

.interpretation li,
.actions li {
    padding: 15px 20px;
    position: relative;
    background: var(--hover);
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 4px solid transparent;
    transition: all 0.2s ease;
}

.interpretation li:hover,
.actions li:hover {
    border-left-color: var(--accent);
    transform: translateX(5px);
}

.interpretation li:before,
.actions li:before {
    display: none;
    /* Removed the old arrow since we have card style now */
}

.scenario {
    background: var(--hover);
    padding: 20px;
    border-radius: 12px;
    margin: 15px 0;
    border-left: 4px solid var(--accent);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.scenario strong {
    color: var(--accent-light);
    display: block;
    margin-bottom: 10px;
    font-family: 'DM Mono', monospace;
    font-size: 1rem;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .indicators-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 40px 20px;
    }

    .modal-content {
        margin: 10px;
        max-height: 85vh;
    }
}

/* Calculator specific styles */
.calculator-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.result-row {
    background: rgba(var(--accent-rgb), 0.05);
    /* Needs variable adaptation or fallback */
    background: var(--hover);
    /* Fallback */
    font-weight: 600;
    border-top: 1px solid var(--border);
    margin-top: 10px;
    margin-bottom: 10px;
    border-radius: 8px;
}

.result-row .calc-label {
    color: var(--accent-light);
}

.final-result {
    margin-top: 25px;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(51, 65, 85, 0.8) 100%);
    border: 2px solid var(--accent);
    border-radius: 20px;
    /* Increased radius */
    padding: 20px 25px;
    box-shadow: 0 0 20px rgba(94, 234, 212, 0.15);
    /* Glow effect */
    position: relative;
    overflow: hidden;
    /* Ensure content is clipped */
}

.final-result .calc-label {
    font-size: 1.3rem;
    color: var(--accent);
}

.final-result .calc-input {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
}

.currency-symbol {
    color: var(--text-dim);
    margin-right: 8px;
    font-family: 'DM Mono', monospace;
    font-size: 1.1rem;
}

.calc-input-container {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

/* Economic Indicator Specifics */
.question-text {
    font-size: 1.3rem;
    font-weight: 400;
    color: #ffffff;
    font-family: 'DM Mono', monospace;
    margin: 0;
    padding: 10px 0;
}

.formula-separator {
    text-align: center;
    color: var(--text-dim);
    margin: 15px 0;
    font-style: italic;
    font-size: 0.9rem;
    border-top: 1px dashed var(--border);
    padding-top: 15px;
}

/* Tooltip Styles */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
    color: var(--accent);
    cursor: help;
    position: relative;
    vertical-align: middle;
    z-index: 10;
}

.tooltip-text {
    display: none;
    width: max-content;
    max-width: 250px;
    background-color: var(--card-bg);
    color: var(--text);
    text-align: center;
    border-radius: 6px;
    padding: 8px 12px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 1;
    /* Removed transition, showing instantly */
    border: 1px solid var(--accent);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    font-size: 0.9rem;
    font-weight: 400;
    pointer-events: none;
    /* Prevent tooltip from blocking mouse */
}

/* Ensure tooltip shows on hover */
.info-icon:hover .tooltip-text {
    display: block;
}

.tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--accent) transparent transparent transparent;
}


/* Layout for Calculator Tab */
.calculator-layout {
    display: grid;
    grid-template-columns: 300px 1fr 300px;
    gap: 30px;
    width: 95%;
    max-width: 1600px;
    margin: 0 auto;
}

.mini-footer-note {
    margin-top: 10px;
    padding-top: 10px;
    font-size: 0.85rem;
    color: var(--text-dim);
    text-align: center;
    font-style: italic;
}

/* Variaciones Grid */
.variaciones-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 1200px) {
    .variaciones-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .variaciones-grid {
        grid-template-columns: 1fr;
    }
}

.variacion-calc {
    padding: 20px;
}

.variacion-calc .mini-title {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.variaciones-stack {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.variaciones-stack .variacion-calc {
    padding: 15px;
}

.variaciones-stack .mini-title {
    font-size: 1rem;
    margin-bottom: 10px;
}

.variaciones-stack .mini-row {
    margin-bottom: 8px;
}

.variaciones-stack .mini-result {
    margin-top: 8px;
}

/* Side Panel - Primera columna */
.side-panel {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Calculadoras laterales - columnas 1 y 3 */
.mini-calculator {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: fit-content;
}

.mini-calculator:hover {
    border-color: var(--accent);
}

.mini-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-light);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
}

.mini-row {
    margin-bottom: 15px;
}

/* Eliminar margen del último elemento antes del resultado */
.mini-row.last-row {
    margin-bottom: 0;
}

.mini-row label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-dim);
    font-size: 1rem;
    font-weight: 500;
}

.mini-input {
    width: 100%;
    text-align: right;
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-gradient);
    color: var(--text);
    font-family: 'DM Mono', monospace;
    transition: all 0.2s ease;
    font-size: 1rem;
    height: auto;
}

.mini-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.2);
}

.mini-result {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed var(--border);
    display: flex;
    flex-direction: column;
    width: 100%;
}

.mini-result label {
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 5px;
}

.mini-result .result {
    background: var(--hover);
    color: var(--accent);
    font-weight: 600;
    border: 2px solid var(--border);
}

/* Tercera columna - calculadoras adicionales */
.additional-calculators {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Main Calculator Container Adjustment */
.calculator-container {
    flex: 1;
    max-width: none;
}

/* Responsiveness for Layout */
@media (max-width: 1200px) {
    .calculator-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .side-panel,
    .additional-calculators {
        width: 100%;
        max-width: 800px;
        margin: 0 auto;
    }
}

/* Calculate Button */
.calc-actions {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-calculate,
.btn-clear {
    background: linear-gradient(135deg, var(--accent), #2dd4bf);
    color: var(--bg);
    /* User wanted "as before" */
    color: #1e293b;
    /* Fallback for contrast if var(--bg) is undefined/dark. Teal bg needs dark text. */
    font-size: 1.1rem;
    font-weight: 700;
    padding: 12px 40px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(94, 234, 212, 0.3);
}

.btn-calculate:hover,
.btn-clear:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(94, 234, 212, 0.4);
}

.btn-calculate:active,
.btn-clear:active {
    transform: translateY(1px);
}

/* Results Section */
.results-section {
    width: 95%;
    max-width: 1000px;
    margin: 40px auto;
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px var(--shadow);
    border: 1px solid var(--border);
    animation: fadeIn 0.5s ease-out;
}

.results-section .category-title {
    margin-top: 0;
    margin-bottom: 25px;
    text-align: center;
}

.results-table-container {
    overflow-x: auto;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1rem;
}

.results-table th,
.results-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.results-table th {
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.results-table td:first-child {
    color: var(--text);
    font-weight: 500;
}

.results-table td:nth-child(2) {
    color: var(--text-dim);
    font-family: 'DM Mono', monospace;
}

.results-table td:last-child {
    text-align: right;
    font-family: 'DM Mono', monospace;
    font-weight: 700;
    color: var(--accent-light);
    font-size: 1.1rem;
}

.results-table tr:last-child td {
    border-bottom: none;
}

.results-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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


/* Clean Button */
.btn-clear {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 0;
}

.btn-clear:hover {
    color: #ff4d4d;
    border-color: #ff4d4d;
    background: rgba(255, 77, 77, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 77, 77, 0.1);
}

.calc-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

/* ============================================
   Presupuesto Tab Styles
   ============================================ */

.presupuesto-intro {
    text-align: center;
    margin-bottom: 40px;
}

.presupuesto-main-title {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.presupuesto-section {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px var(--shadow);
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.presupuesto-section:hover {
    border-color: var(--accent);
    box-shadow: 0 15px 40px rgba(94, 234, 212, 0.15);
}

.presupuesto-section-header {
    padding: 25px 30px;
    background: linear-gradient(135deg, var(--hover) 0%, var(--card-bg) 100%);
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.presupuesto-section-header h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.presupuesto-badge {
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    background: var(--hover);
    padding: 6px 16px;
    border-radius: 30px;
    border: 1px solid var(--border);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.presupuesto-badge.accent {
    background: linear-gradient(135deg, rgba(94, 234, 212, 0.15), rgba(94, 234, 212, 0.05));
    border-color: var(--accent);
    color: var(--accent-light);
}

.presupuesto-subtitle {
    font-size: 0.95rem;
    color: var(--text-dim);
    margin: 0;
    font-style: italic;
}

.presupuesto-section-body {
    padding: 25px 30px;
}

.presupuesto-step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 18px 20px;
    margin-bottom: 12px;
    border-radius: 12px;
    background: var(--hover);
    border-left: 4px solid transparent;
    transition: all 0.25s ease;
}

.presupuesto-step:last-child {
    margin-bottom: 0;
}

.presupuesto-step:hover {
    border-left-color: var(--accent);
    transform: translateX(4px);
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #2dd4bf);
    color: #1e293b;
    font-family: 'DM Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(94, 234, 212, 0.3);
}

.step-content {
    flex: 1;
}

.step-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text);
    margin: 0;
}

.step-formula {
    display: inline-block;
    margin-top: 10px;
    padding: 6px 18px;
    background: var(--primary);
    border-radius: 8px;
    font-family: 'DM Mono', monospace;
    font-size: 1rem;
    color: var(--accent-light);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
}

.step-detail {
    margin-top: 10px;
    padding: 10px 16px;
    background: rgba(94, 234, 212, 0.05);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-dim);
    border-left: 3px solid var(--border);
    line-height: 1.6;
}

/* Sub-steps */
.presupuesto-substeps {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.presupuesto-substep {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 16px;
    background: var(--primary);
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    font-size: 1rem;
    line-height: 1.5;
}

.presupuesto-substep:hover {
    border-color: var(--accent);
}

.substep-number {
    flex-shrink: 0;
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(94, 234, 212, 0.1);
    padding: 2px 10px;
    border-radius: 20px;
    min-width: fit-content;
}

/* Responsive */
@media (max-width: 768px) {
    .presupuesto-main-title {
        font-size: 1.4rem;
    }

    .presupuesto-section-header {
        padding: 20px;
    }

    .presupuesto-section-body {
        padding: 15px;
    }

    .presupuesto-step {
        padding: 14px 16px;
        gap: 14px;
    }

    .step-number {
        width: 34px;
        height: 34px;
        font-size: 0.9rem;
    }

    .presupuesto-badge {
        font-size: 0.75rem;
    }
}