/* Base Styles - LuxPower Inverter Dashboard */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f7fa;
    color: #2c3e50;
    line-height: 1.6;
    padding-top: 70px; /* Space for fixed navbar */
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #2c3e50;
    color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 1000;
}

.navbar-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 70px;
}

/* Logo and Brand */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.logo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-name {
    color: white;
    white-space: nowrap;
}

/* Navigation Menu */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.nav-item.active {
    background: #3498db;
    color: white;
}

.nav-item svg {
    flex-shrink: 0;
}

/* User Dropdown */
.navbar-user {
    position: relative;
}

.user-dropdown {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    color: white;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.user-button:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.3);
}

.admin-badge {
    background: #e74c3c;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
}

.user-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu .menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    color: #2c3e50;
    text-decoration: none;
    transition: background 0.2s;
}

.user-menu .menu-item:hover {
    background: #f5f7fa;
}

.user-menu .menu-item:first-child {
    border-radius: 8px 8px 0 0;
}

.user-menu .menu-item:last-child {
    border-radius: 0 0 8px 8px;
}

/* Breadcrumb Navigation */
.breadcrumb {
    background: white;
    padding: 1rem 2rem;
    border-bottom: 1px solid #e1e8ed;
}

.breadcrumb-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #7f8c8d;
    text-decoration: none;
    font-size: 0.9rem;
}

.breadcrumb-item:hover {
    color: #3498db;
}

.breadcrumb-item.active {
    color: #2c3e50;
    font-weight: 500;
}

.breadcrumb-separator {
    color: #bdc3c7;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 70px);
}

/* Page Header (inside content) */
.page-header {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e1e8ed;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: #7f8c8d;
    font-size: 0.95rem;
}

/* Old Header Styles (for backward compatibility) */
.header {
    background: #2c3e50;
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.3s;
    font-weight: 500;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-success {
    background: #27ae60;
    color: white;
}

.btn-success:hover {
    background: #229954;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

/* Messages */
.error-message {
    background: #fee;
    color: #c00;
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    text-align: center;
    padding: 2rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #ecf0f1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid #ecf0f1;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #7f8c8d;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1.5rem;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-online {
    background: #d4edda;
    color: #155724;
}

.status-offline {
    background: #f8d7da;
    color: #721c24;
}

/* Responsive */
@media (max-width: 968px) {
    .navbar-content {
        padding: 0 1rem;
    }

    .navbar-menu {
        gap: 0.25rem;
    }

    .nav-item span {
        display: none;
    }

    .nav-item {
        padding: 0.75rem;
    }

    .site-name {
        font-size: 1rem;
    }

    .user-button span {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .container {
        padding: 1rem;
    }

    .navbar-content {
        height: auto;
        flex-wrap: wrap;
        padding: 0.75rem 1rem;
        gap: 0.75rem;
    }

    .navbar-brand {
        gap: 0.5rem;
        font-size: 1rem;
    }

    .logo-placeholder svg {
        width: 32px;
        height: 32px;
    }

    .navbar-menu {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        gap: 0.5rem;
    }

    body {
        padding-top: 110px;
    }

    .main-content {
        min-height: calc(100vh - 110px);
    }

    .breadcrumb {
        padding: 0.75rem 1rem;
    }

    .page-header {
        padding: 1.5rem 1rem;
    }
}