:root {
    --primary-orange: #FF7900;
    --primary-yellow: #FEE400;
    --bg-dark: #0f111a;
    --sidebar-bg: #161a27;
    --card-bg: rgba(255, 255, 255, 0.04);
    --text-main: #e0e0e0;
    --text-dim: #94a3b8;
    --accent-teal: #2dd4bf;
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition-fast: 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 2rem 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #fff;
}

.logo i {
    color: var(--primary-orange);
    font-size: 1.8rem;
}

.logo span span {
    color: var(--primary-orange);
}

.nav-links {
    list-style: none;
    flex: 1;
}

.nav-links li {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 18px;
    border-radius: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--text-dim);
}

.nav-links li:hover {
    background: var(--card-bg);
    color: #fff;
}

.nav-links li.active {
    background: linear-gradient(135deg, var(--primary-orange), #ff4d00);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 121, 0, 0.3);
}

.nav-links li i {
    font-size: 1.2rem;
}

.sidebar-footer {
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-orange);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Main Content area */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    background-image: linear-gradient(to bottom, rgba(15, 17, 26, 0.95), rgba(15, 17, 26, 0.98)), url('../public/bg.png');
    background-size: cover;
    background-position: center;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.search-box {
    position: relative;
    width: 400px;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

.search-box input {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 12px 12px 45px;
    color: #fff;
    outline: none;
    transition: var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--primary-orange);
    background: rgba(255, 255, 255, 0.08);
}

.current-date {
    font-weight: 600;
    color: var(--text-dim);
}

.btn-add {
    background: linear-gradient(135deg, #2dd4bf, #0d9488);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
    box-shadow: 0 4px 15px rgba(45, 212, 191, 0.2);
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 212, 191, 0.3);
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition-fast);
}

.stat-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card.orange .stat-icon { background: rgba(255, 121, 0, 0.1); color: var(--primary-orange); }
.stat-card.masmovil .stat-icon { background: rgba(254, 228, 0, 0.1); color: var(--primary-yellow); }
.stat-card.material .stat-icon { background: rgba(45, 212, 191, 0.1); color: var(--accent-teal); }

.stat-info h3 {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.stat-info .count {
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-info span {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Sections */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.view-all {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Activity Items */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-item {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.activity-main {
    display: flex;
    align-items: center;
    gap: 15px;
}

.activity-brand {
    width: 4px;
    height: 30px;
    border-radius: 2px;
}

.activity-brand.orange { background: var(--primary-orange); }
.activity-brand.masmovil { background: var(--primary-yellow); }

.activity-details h4 {
    font-size: 1rem;
}

.activity-details p {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.activity-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-done { background: rgba(45, 212, 191, 0.1); color: var(--accent-teal); }

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--sidebar-bg);
    border: 1px solid var(--glass-border);
    width: 90%;
    max-width: 500px;
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--glass-shadow);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close-modal {
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-dim);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-dim);
}

input, select, textarea {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px;
    color: #fff;
    outline: none;
}

select {
    color: #000000 !important;
    font-weight: 900 !important;
    background-color: #ffffff !important;
    -webkit-appearance: listbox !important; /* Forzar apariencia en algunos móviles */
    appearance: auto !important;
}

select option {
    background-color: #ffffff !important;
    color: #000000 !important;
    font-weight: 800 !important;
}

.file-input-wrapper {
    display: flex;
    align-items: center;
}

#image-preview img {
    max-height: 200px;
    object-fit: cover;
}

.brand-selector {
    display: flex;
    gap: 10px;
}

.brand-option {
    flex: 1;
    position: relative;
    cursor: pointer;
}

.brand-option input {
    position: absolute;
    opacity: 0;
}

.brand-label {
    display: block;
    text-align: center;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-fast);
}

.brand-option input:checked + .brand-label.orange { background: var(--primary-orange); color: #fff; border-color: var(--primary-orange); }
.brand-option input:checked + .brand-label.masmovil { background: var(--primary-yellow); color: #000; border-color: var(--primary-yellow); }

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-orange), #ff4d00);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
}

/* Material Tags */
.material-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.mtag {
    background: rgba(45, 212, 191, 0.1);
    color: var(--accent-teal);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mtag i {
    cursor: pointer;
}

/* Inventory Grid */
.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.inv-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.2rem;
    text-align: center;
}

.inv-val {
    font-size: 2rem;
    font-weight: 700;
    margin: 10px 0;
}

.inv-label {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Report Buttons & Summary */
.report-actions {
    display: inline-flex;
    gap: 8px;
    margin-right: 12px;
}

.btn-report {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 10px 16px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-report:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-orange);
}

.history-actions {
    display: flex;
    gap: 10px;
}

.summary-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 15px;
}

.summary-item {
    text-align: center;
}

.summary-item h4 {
    color: var(--text-dim);
    font-size: 0.75rem;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.summary-item .val {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-teal);
}

.btn-secondary {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 10px 18px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}