/* Calculadora de Costos de Impresión 3D - Estilos */

body {
    background-color: #f5f7fa;
    padding: 20px 0;
    transition: background-color 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body.dark-mode {
    background-color: #0d1117;
    color: #c9d1d9;
}

.container {
    max-width: 900px;
}

.section-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 20px;
    margin-top: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1em;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.variables-section .section-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.model-section .section-title {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.results-section .section-title {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.result-item {
    background-color: #ffffff;
    padding: 15px 20px;
    margin: 10px 0;
    border-radius: 8px;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid #667eea;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s ease;
    color: #2d3748;
}

.result-item:hover {
    transform: translateX(5px);
}

.result-value {
    font-size: 1.3em;
    color: #667eea;
    font-weight: 700;
}

.form-label {
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.help-text {
    font-size: 0.85em;
    color: #718096;
    font-style: normal;
    margin-top: 4px;
}

.input-group-text {
    background-color: #edf2f7;
    border-color: #e2e8f0;
    font-weight: 600;
    color: #4a5568;
}

.form-control {
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.07);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border-radius: 12px 12px 0 0 !important;
    padding: 20px;
}

/* Modo Oscuro */
body.dark-mode .card {
    background-color: #161b22;
    border-color: #30363d;
}

body.dark-mode .card-body {
    background-color: #0d1117;
}

body.dark-mode .card-header {
    background: linear-gradient(135deg, #4c51bf 0%, #553c9a 100%) !important;
}

body.dark-mode .form-control {
    background-color: #0d1117;
    border-color: #30363d;
    color: #c9d1d9;
}

body.dark-mode .form-control:focus {
    background-color: #161b22;
    border-color: #58a6ff;
    color: #c9d1d9;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

body.dark-mode .input-group-text {
    background-color: #21262d;
    border-color: #30363d;
    color: #8b949e;
}

body.dark-mode .help-text {
    color: #8b949e;
}

body.dark-mode .form-label {
    color: #c9d1d9;
}

body.dark-mode .result-item {
    background-color: #161b22;
    border-left-color: #58a6ff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    color: #c9d1d9;
}

body.dark-mode .result-value {
    color: #58a6ff;
}

body.dark-mode .section-title {
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* Botón de toggle modo oscuro */
.dark-mode-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background-color: #ffffff;
    border: 2px solid #e2e8f0;
    color: #2d3748;
    padding: 12px 18px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2em;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.dark-mode-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

body.dark-mode .dark-mode-toggle {
    background-color: #21262d;
    color: #f0e68c;
    border-color: #30363d;
}

/* Footer */
.footer {
    background-color: transparent;
    border-top: none;
    margin-top: 20px;
    padding: 10px 0 !important;
}

.footer .text-muted {
    color: #a0aec0 !important;
    font-size: 0.85rem;
}

.footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #764ba2;
    text-decoration: underline;
}

body.dark-mode .footer .text-muted {
    color: #6e7681 !important;
}

body.dark-mode .footer a {
    color: #58a6ff;
}

body.dark-mode .footer a:hover {
    color: #79c0ff;
}