:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --background-color: #ffffff;
    --text-color: #333333;
    --card-bg: #f8f9fa;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --display-bg: rgba(0, 123, 255, 0.1);
}

/* Temas visuales */
.theme-money {
    --primary-color: #28a745;
    --secondary-color: #6c757d;
    --background-color: #f8fff8;
    --text-color: #1a1a1a;
    --accent-color: #28a745;
}

.theme-focus {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --background-color: #f0f8ff;
    --text-color: #1a1a1a;
    --accent-color: #007bff;
}

.theme-rest {
    --primary-color: #6c757d;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --text-color: #1a1a1a;
    --accent-color: #6c757d;
}

/* Modo oscuro */
.dark-mode {
    --background-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2d2d2d;
    --input-bg: #333333;
    --input-border: #444444;
    --display-bg: rgba(0, 123, 255, 0.2);
}

/* Estilos generales */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    transition: all 0.3s ease;
    overflow-x: hidden;
}

.display-container {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.time-display, .money-display {
    background-color: var(--display-bg);
    padding: 2rem;
    border-radius: 1rem;
    min-width: 300px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.time-display:hover, .money-display:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.time-label, .money-label {
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.8;
    margin-top: 0.5rem;
}

#tiempoTranscurrido {
    font-size: 6rem;
    margin: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-family: 'Courier New', monospace;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#dineroGanado {
    font-size: 4rem;
    margin: 0;
    color: var(--primary-color);
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.controls {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.controls .btn {
    margin: 0;
    padding: 0.75rem 2rem;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.controls .btn:hover {
    transform: scale(1.05);
}

.controls .btn i {
    font-size: 1.2em;
}

.config-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.config-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.config-btn i {
    font-size: 1.5rem;
}

.modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.modal-header {
    border-bottom: 1px solid var(--input-border);
}

.form-control {
    background-color: var(--input-bg);
    color: var(--text-color);
    border-color: var(--input-border);
    transition: all 0.3s ease;
}

.form-control:focus {
    background-color: var(--input-bg);
    color: var(--text-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    transform: translateY(-2px);
}

.form-label {
    color: var(--text-color);
}

.form-text {
    color: var(--text-color);
    opacity: 0.7;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.progress {
    height: 1.5rem;
    background-color: var(--input-bg);
    border-radius: 0.75rem;
    overflow: hidden;
}

.progress-bar {
    transition: width 0.5s ease;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 1s infinite;
}

@media (max-width: 768px) {
    .time-display, .money-display {
        min-width: 250px;
        padding: 1.5rem;
    }

    #tiempoTranscurrido {
        font-size: 4rem;
    }
    
    #dineroGanado {
        font-size: 3rem;
    }
    
    .controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .controls .btn {
        width: 100%;
        justify-content: center;
    }
    
    .resumen-container {
        padding: 0 1rem;
    }
}

.card {
    background-color: var(--card-bg);
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.card-title {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.display-1, .display-4 {
    color: var(--primary-color);
}

.theme-switch-wrapper {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    color: var(--text-color);
}

.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
}

.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

em {
    color: var(--text-color);
    margin-left: 10px;
}

.objetivo-display {
    background-color: var(--display-bg);
    padding: 1rem;
    border-radius: 1rem;
    min-width: 300px;
    margin-top: 1rem;
}

.resumen-container {
    max-width: 800px;
    margin: 0 auto;
}

.resumen-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    border-bottom: 1px solid var(--input-border);
    color: var(--text-color);
}

.resumen-item span {
    color: var(--text-color);
}

.resumen-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.export-import-container {
    margin-top: 2rem;
    padding: 1rem;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
}

.export-import-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.export-import-buttons .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-input {
    display: none;
}

.file-input-label {
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-input-label:hover {
    opacity: 0.9;
}

.modal-footer {
    border-top: 1px solid var(--input-border);
}

/* Contenedor del gráfico */
.chart-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Animación de monedas */
#coinAnimationContainer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.coin {
    position: absolute;
    width: 20px;
    height: 20px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23FFD700"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zm.31-8.86c-1.77-.45-2.34-.94-2.34-1.67 0-.84.79-1.43 2.1-1.43 1.38 0 1.9.66 1.94 1.64h1.71c-.05-1.34-.87-2.57-2.49-2.97V5H10.9v1.69c-1.51.32-2.72 1.3-2.72 2.81 0 1.79 1.49 2.69 3.66 3.21 1.95.46 2.34 1.15 2.34 1.87 0 .53-.39 1.39-2.1 1.39-1.6 0-2.23-.72-2.32-1.64H8.04c.1 1.7 1.36 2.66 2.86 2.97V19h2.34v-1.67c1.52-.29 2.72-1.16 2.73-2.77-.01-2.2-1.9-2.96-3.66-3.42z"/></svg>');
    background-size: contain;
    animation: coin-fall 3s linear forwards;
    opacity: 0;
}

@keyframes coin-fall {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Selector de temas */
.theme-selector {
    margin: 20px 0;
}

.theme-btn {
    transition: all 0.3s ease;
}

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

/* Botón de nuevo día */
#nuevoDiaBtn {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

#nuevoDiaBtn:hover {
    background-color: #218838;
    border-color: #1e7e34;
}

/* Ajustes para el modo oscuro */
.dark-mode .modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--input-border);
}

.dark-mode .modal-header {
    border-bottom: 1px solid var(--input-border);
}

.dark-mode .modal-footer {
    border-top: 1px solid var(--input-border);
}

.dark-mode .form-control {
    background-color: var(--input-bg);
    color: var(--text-color);
    border-color: var(--input-border);
}

.dark-mode .form-control:focus {
    background-color: var(--input-bg);
    color: var(--text-color);
    border-color: var(--primary-color);
}

.dark-mode .form-label {
    color: var(--text-color);
}

.dark-mode .form-text {
    color: var(--text-color);
    opacity: 0.7;
}

.dark-mode .chart-container {
    background-color: var(--card-bg);
}

.dark-mode .card {
    background-color: var(--card-bg);
    border-color: var(--input-border);
}

.dark-mode .resumen-item {
    border-bottom-color: var(--input-border);
}

.dark-mode .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.dark-mode .progress {
    background-color: var(--input-bg);
}

.dark-mode .progress-bar {
    background-color: var(--primary-color);
}

.dark-mode .badge {
    background-color: var(--input-bg);
    color: var(--text-color);
}

/* Responsive */
@media (max-width: 768px) {
    .chart-container {
        max-width: 100%;
        padding: 10px;
    }
    
    .theme-selector .btn-group {
        display: flex;
        flex-direction: column;
    }
    
    .theme-btn {
        margin-bottom: 5px;
    }
}

/* Botones flotantes */
.floating-controls {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.floating-btn i {
    font-size: 1.5rem;
}

/* Ajustes para pantallas pequeñas */
@media (max-width: 768px) {
    .display-container {
        margin-top: 60px;
    }

    .chart-container {
        margin-top: 20px;
        max-width: 100%;
        padding: 10px;
    }

    .resumen-container {
        margin-top: 20px;
        padding: 0 10px;
    }

    .theme-selector {
        margin-top: 20px;
    }

    .export-import-container {
        margin-top: 20px;
        padding: 10px;
    }

    .floating-controls {
        bottom: 10px;
        right: 10px;
    }

    .config-btn {
        bottom: 10px;
        left: 10px;
    }

    .floating-btn, .config-btn {
        width: 50px;
        height: 50px;
    }

    .floating-btn i, .config-btn i {
        font-size: 1.2rem;
    }
}