/* Variables globales mejoradas */
:root {
    --primary-color: #003366;
    --secondary-color: #276fb7;
    --text-color: #333;
    --border-color: #e0e0e0;
    --form-bg: #ffffff;
    --section-bg: #f8f9fa;
    --header-gradient: linear-gradient(135deg, #003366 0%, #276fb7 90%);
    --input-shadow: 0 2px 4px rgba(0, 51, 102, 0.05);
    --card-shadow: 0 4px 8px rgba(0, 51, 102, 0.1);
    --hover-shadow: 0 6px 12px rgba(0, 51, 102, 0.15);
    --body-bg: #f5f7fa;
    --danger-color: #dc3545;
}

/* Variables para modo oscuro */
[data-theme="dark"] {
    --primary-color: #4a9eff;
    --secondary-color: #1e88e5;
    --text-color: #e0e0e0;
    --border-color: #404040;
    --form-bg: #2d2d2d;
    --section-bg: #1c1c1c;
    --header-gradient: linear-gradient(135deg, #003366 0%, #276fb7 90%);
    --input-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
    --hover-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    --body-bg: #121212;
}

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

/* Mejoras al body */
body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--body-bg);
    min-height: 100vh;
}

/* Mejoras al encabezado */
.sheet-header {
    background: var(--header-gradient);
    padding: 30px 20px;
    box-shadow: var(--card-shadow);
    margin-bottom: 40px;
    border-radius: 0 0 15px 15px;
}

.text-center {
    color: white;
    margin-bottom: 25px;
    font-size: 28px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* Estilos para los íconos de redes sociales */
.social-links {
    display: inline-flex;
    gap: 15px;
    margin-top: 0px;
    justify-content: center;
}

.social-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    background: rgba(0, 51, 102, 0.1);
    backdrop-filter: blur(5px);
    padding: 8px;
    border: 2px solid rgba(0, 51, 102, 0.2);
    overflow: hidden;
}

[data-theme="dark"] .social-button {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.social-button i {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-button img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all 0.3s ease;
}

.social-button:hover {
    transform: translateY(-3px) scale(1.1);
    border-color: rgba(0, 51, 102, 0.8);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

[data-theme="dark"] .social-button:hover {
    border-color: rgba(255, 255, 255, 0.8);
}

.social-button.facebook:hover {
    background: #1877f2;
    border-color: #1877f2;
}

.social-button.instagram:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-color: #e1306c;
}

.social-button.tiktok:hover {
    background: #000000;
    border-color: #00f2ea;
}

.social-button.X:hover {
    background: #000000;
    border-color: #000000;
}

.social-button.youtube:hover {
    background: #ff0000;
    border-color: #ff0000;
}

.social-button:hover img {
    transform: scale(1.1);
}

/* Estilos para el header y botón logout */
.main-header {
    background-color: var(--card-bg);
    padding: 15px 20px;
    box-shadow: var(--header-shadow);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logout-form {
    margin-left: auto;
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-logout:hover {
    background-color: #c82333;
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.btn-logout:active {
    transform: scale(0.95);
}

[data-theme="dark"] .btn-logout {
    background-color: #d32f2f;
}

[data-theme="dark"] .btn-logout:hover {
    background-color: #b71c1c;
}

@media (max-width: 768px) {
    .btn-logout {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
}

/* Mejoras a la información de la empresa */
.company-info {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(10px);
}

.company-logo {
    width: 150px;
    height: auto;
    object-fit: contain;
}

.company-contacts {
    flex-grow: 1;
}

.company-contacts p {
    font-size: 15px;
    font-weight: 200;
    color: var(--text-color);
}

/* Responsive design */
@media (max-width: 768px) {
    .company-info {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }

    .company-logo {
        width: 100px;
        margin-bottom: 15px;
    }

    .text-center {
        font-size: 20px;
    }
}

/* Mejoras al contenedor principal */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Mejoras al formulario */
.equipment-form {
    background: var(--form-bg);
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.form-section {
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(to bottom, #ffffff, var(--section-bg));
    animation: formFadeIn 0.5s ease-out forwards;
}

.form-section h2 {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

/* Mejoras al grid del formulario */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 15px;
}

/* Estilos para colocar campos específicos al lado de otros campos */
.computer-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 0;
}

.computer-fields .form-group {
    flex: 1 1 calc(33.333% - 15px);
    min-width: 200px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    font-size: 15px;
    color: var(--text-color);
    margin-bottom: 8px;
    display: block;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
    background-color: white;
    box-shadow: var(--input-shadow);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(39, 111, 183, 0.1);
    transform: translateY(-1px);
}

.full-width {
    grid-column: 1 / -1;
}

/* Mejoras para los botones de acción */
.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    padding: 20px;
    background-color: var(--section-bg);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 8px 8px;
}

.btn-submit,
.btn-reset,
.btn-show {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
}

.btn-submit {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 4px rgba(0, 51, 102, 0.2);
}

.btn-submit:hover {
    background-color: #004080;
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

.btn-reset {
    background-color: #dc3545;
    color: white;
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.2);
}

.btn-reset:hover {
    background-color: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.3);
}

.btn-show {
    background-color: var(--secondary-color);
    color: white;
    box-shadow: 0 2px 4px rgba(39, 111, 183, 0.2);
}

.btn-show:hover {
    background-color: #1a5a9e;
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

/* Iconos para los botones */
.btn-submit::before,
.btn-reset::before,
.btn-show::before {
    margin-right: 8px;
    font-weight: bold;
}

.btn-submit::before {
    content: '💾';
}

.btn-reset::before {
    content: '🔄';
}

.btn-show::before {
    content: '📋';
}

/* Mejoras responsive */
@media (max-width: 768px) {
    .sheet-header {
        padding: 20px;
        margin-bottom: 30px;
    }

    .form-section {
        padding: 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .form-actions {
        flex-direction: column;
        gap: 10px;
    }

    .btn-submit,
    .btn-reset,
    .btn-show {
        width: 100%;
    }
}

/* Estilos para las alertas */
.alert {
    padding: 15px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 300px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.5s ease-out;
    z-index: 1000;
}

.alert-success {
    background-color: #4CAF50;
    color: white;
    border-left: 4px solid #2E7D32;
}

.alert-error {
    background-color: #F44336;
    color: white;
    border-left: 4px solid #C62828;
}

.alert-close {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 0 5px;
}

.alert-info {
    background-color: var(--secondary-color);
    color: white;
    border-left: 4px solid var(--primary-color);
}

/* Ajuste para múltiples alertas */
.alert:nth-child(2) {
    top: 90px;
}

.alert:nth-child(3) {
    top: 160px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

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

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

/* Animaciones mejoradas */
@keyframes formFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Estilos para la carga de imágenes */
.image-upload-container {
    margin-bottom: 15px;
}

.image-upload-input {
    display: none;
}

.image-upload-label {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: var(--input-shadow);
}

.image-upload-label:hover {
    background-color: #1a5a9e;
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

.image-preview-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.image-preview {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.image-preview img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview .remove-image {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(220, 53, 69, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.image-preview .remove-image:hover {
    background: #dc3545;
    transform: scale(1.1);
}

/* Botón de cambio de tema */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    z-index: 1000;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--hover-shadow);
}

/* Ajustes para modo oscuro */
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background-color: #333;
    color: var(--text-color);
    border-color: var(--border-color);
}

[data-theme="dark"] .company-info {
    background: rgba(45, 45, 45, 0.95);
}

[data-theme="dark"] .form-section {
    background: linear-gradient(to bottom, var(--form-bg), var(--section-bg));
}

/* Filtros para imágenes de redes sociales en modo oscuro */
[data-theme="dark"] .social-button img {
    filter: brightness(0) invert(1);
}

/* Estilos para el botón de logout */
.logout-form {
    position: fixed;
    top: 80%;
    right: 22px;
    z-index: 1000;
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    padding: 0;
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-logout:hover {
    background-color: #c82333;
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.btn-logout:active {
    transform: scale(0.95);
}

[data-theme="dark"] .btn-logout {
    background-color: #d32f2f;
}

[data-theme="dark"] .btn-logout:hover {
    background-color: #b71c1c;
}

@media (max-width: 768px) {
    .btn-logout {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .social-links {
        margin-top: 15px;
        gap: 10px;
    }

    .social-button {
        width: 35px;
        height: 35px;
        padding: 6px;
    }
}