/* Variables CSS para temas claro y oscuro */
:root {
    /* Colores tema claro */
    --cn-bg-primary: #ffffff;
    --cn-bg-secondary: #f8fafc;
    --cn-bg-tertiary: #e2e8f0;
    --cn-text-primary: #1e293b;
    --cn-text-secondary: #64748b;
    --cn-text-muted: #94a3b8;
    --cn-border: #e2e8f0;
    --cn-primary: #023869;
    --cn-primary-hover: #1d4ed8;
    --cn-primary-light: #dbeafe;
    --cn-success: #16a34a;
    --cn-success-light: #dcfce7;
    --cn-error: #dc2626;
    --cn-error-light: #fee2e2;
    --cn-warning: #f59e0b;
    --cn-warning-light: #fef3c7;
    --cn-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --cn-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --cn-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --cn-radius: 0.5rem;
    --cn-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tema oscuro */
[data-theme="dark"] {
    --cn-bg-primary: #0f172a;
    --cn-bg-secondary: #1e293b;
    --cn-bg-tertiary: #334155;
    --cn-text-primary: #f1f5f9;
    --cn-text-secondary: #cbd5e1;
    --cn-text-muted: #94a3b8;
    --cn-border: #334155;
    --cn-primary: #3b82f6;
    --cn-primary-hover: #60a5fa;
    --cn-primary-light: #1e3a8a;
    --cn-success: #22c55e;
    --cn-success-light: #14532d;
    --cn-error: #ef4444;
    --cn-error-light: #7f1d1d;
    --cn-warning: #f59e0b;
    --cn-warning-light: #78350f;
    --cn-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --cn-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.2);
    --cn-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.2);
}

/* Reset básico para el contenedor */
.cn-container * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Contenedor principal */
.cn-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.5;
    color: var(--cn-text-primary);
    transition: var(--cn-transition);
}

/* Card principal */
.cn-card {
    background: var(--cn-bg-primary);
    border-radius: var(--cn-radius);
    box-shadow: var(--cn-shadow-lg);
    padding: 2rem;
    max-width: 600px;
    margin: 0 auto;
    transition: var(--cn-transition);
}

@media (max-width: 640px) {
    .cn-card {
        padding: 1.5rem;
    }
}

/* Header */
.cn-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--cn-border);
}

.cn-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cn-text-primary);
    margin: 0;
}

/* Toggle de tema */
.cn-theme-toggle {
    position: relative;
}

.cn-toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.cn-toggle-label {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 28px;
    cursor: pointer;
}

.cn-toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--cn-bg-tertiary);
    transition: var(--cn-transition);
    border-radius: 34px;
}

.cn-toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: var(--cn-bg-primary);
    transition: var(--cn-transition);
    border-radius: 50%;
}

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

.cn-toggle-input:checked + .cn-toggle-label .cn-toggle-slider:before {
    transform: translateX(32px);
}

/* Iconos del toggle */
.cn-icon {
    position: absolute;
    width: 16px;
    height: 16px;
    top: 6px;
    transition: var(--cn-transition);
}

.cn-icon-sun {
    left: 6px;
    color: var(--cn-text-secondary);
}

.cn-icon-moon {
    right: 6px;
    color: var(--cn-text-muted);
    opacity: 0.3;
}

.cn-toggle-input:checked + .cn-toggle-label .cn-icon-sun {
    opacity: 0.3;
}

.cn-toggle-input:checked + .cn-toggle-label .cn-icon-moon {
    opacity: 1;
    color: white;
}

/* Formulario */
.cn-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cn-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cn-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cn-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Tooltip */
.cn-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--cn-bg-tertiary);
    color: var(--cn-text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: help;
    position: relative;
    transition: var(--cn-transition);
}

.cn-tooltip:hover {
    background-color: var(--cn-primary);
    color: white;
}

.cn-tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--cn-bg-secondary);
    color: var(--cn-text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 400;
    white-space: normal;
    max-width: 350px;
    box-shadow: var(--cn-shadow-lg);
    z-index: 10;
    margin-bottom: 0.5rem;
    border: 1px solid var(--cn-border);
}

.cn-tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--cn-bg-secondary);
    margin-bottom: -1px;
}

/* Input wrapper */
.cn-input-wrapper {
    position: relative;
}

/* Inputs */
.cn-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--cn-text-primary);
    background-color: var(--cn-bg-secondary);
    border: 2px solid var(--cn-border);
    border-radius: var(--cn-radius);
    transition: var(--cn-transition);
    font-family: inherit;
}

.cn-input:focus {
    outline: none;
    border-color: var(--cn-primary);
    background-color: var(--cn-bg-primary);
    box-shadow: 0 0 0 3px var(--cn-primary-light);
}

.cn-input:hover:not(:focus) {
    border-color: var(--cn-text-muted);
}

/* Chrome, Safari, Edge, Opera */
.cn-input::-webkit-outer-spin-button,
.cn-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
.cn-input[type=number] {
    -moz-appearance: textfield;
}

/* Botón principal */
.cn-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--cn-radius);
    cursor: pointer;
    transition: var(--cn-transition);
    font-family: inherit;
}

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

.cn-button-primary:hover {
    background-color: var(--cn-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--cn-shadow-lg);
}

.cn-button-primary:active {
    transform: translateY(0);
    box-shadow: var(--cn-shadow-sm);
}

.cn-button-icon {
    width: 20px;
    height: 20px;
    transition: var(--cn-transition);
}

.cn-button:hover .cn-button-icon {
    transform: translateX(3px);
}

/* Resultado */
.cn-result {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--cn-bg-secondary);
    border-radius: var(--cn-radius);
    border: 2px solid var(--cn-border);
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cn-result-content {
    text-align: center;
}

.cn-result-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--cn-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.cn-result-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--cn-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
    animation: countUp 0.5s ease-out;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.cn-result-status {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    display: inline-block;
}

.cn-result-status.success {
    background-color: var(--cn-success-light);
    color: var(--cn-success);
}

.cn-result-status.warning {
    background-color: var(--cn-warning-light);
    color: var(--cn-warning);
}

.cn-result-status.error {
    background-color: var(--cn-error-light);
    color: var(--cn-error);
}

/* Animación de carga */
.cn-loading {
    position: relative;
    overflow: hidden;
}

.cn-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Estados de validación */
.cn-input.error {
    border-color: var(--cn-error);
}

.cn-input.error:focus {
    box-shadow: 0 0 0 3px var(--cn-error-light);
}

.cn-error-message {
    font-size: 0.875rem;
    color: var(--cn-error);
    margin-top: 0.25rem;
}