/* ===================================
   IoT FUTURISTIC THEME STYLES
   =================================== */

/* === ROOT VARIABLES === */
:root {
    /* IoT Color Palette */
    --primary-dark: #0a0e27;
    --secondary-dark: #151b3b;
    --accent-cyan: #00d4ff;
    --accent-blue: #0066ff;
    --accent-purple: #6c63ff;
    --accent-green: #00ff88;
    --accent-orange: #ff6b35;
    --neon-cyan: #00fff2;
    --neon-blue: #0088ff;
    --neon-purple: #8b5cf6;
    
    /* Background Colors */
    --bg-primary: #0a0e27;
    --bg-secondary: #151b3b;
    --bg-card: rgba(21, 27, 59, 0.6);
    --bg-hover: rgba(0, 212, 255, 0.1);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    /* Border & Shadow */
    --border-color: rgba(0, 212, 255, 0.2);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-glow-strong: 0 0 30px rgba(0, 212, 255, 0.5);
    
    /* Spacing */
    --topbar-height: 70px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
}

/* === GLOBAL STYLES === */
.iot-theme {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
}

.iot-theme:not(.modal-open) {
    overflow-x: hidden;
}

/* Wrapper for topbar layout */
.wrapper-topbar {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* Main content area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-top: var(--topbar-height);
    position: relative;
    z-index: 1;
}

/* Reset z-index when modal is open */
body.modal-open .main-content,
body.modal-open .wrapper-topbar,
body.modal-open .content-wrapper {
    z-index: auto !important;
}

.content-wrapper {
    flex: 1;
    padding: var(--spacing-lg);
    background: rgba(10, 14, 39, 0.5);
}

.page-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* === IOT BACKGROUND EFFECTS === */
.iot-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-cyan);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    50% {
        transform: translateY(-20px) translateX(10px);
    }
}

/* === TOPBAR NAVIGATION === */
.iot-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.95) 0%, rgba(21, 27, 59, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 212, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    overflow: visible !important; /* Allow dropdown to overflow */
}

/* Lower topbar z-index when modal is open */
body.modal-open .iot-topbar {
    z-index: 1040 !important;
}

.topbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--spacing-lg);
    max-width: 100%;
    margin: 0 auto;
    overflow: visible !important; /* Allow dropdown to overflow */
}

/* Logo Section */
.topbar-logo {
    flex-shrink: 0;
    margin-right: var(--spacing-lg);
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
    transition: all 0.3s ease;
}

.logo-img:hover {
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8));
    transform: scale(1.05);
}

/* Navigation Menu */
.topbar-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    overflow-x: auto;
    overflow-y: visible;
    overflow: visible; /* Override all overflow */
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xs);
    align-items: center;
    overflow: visible; /* Allow dropdown to overflow */
}

.nav-item {
    position: relative;
    white-space: nowrap;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    border: 1px solid transparent;
}

.nav-link i {
    font-size: 16px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-cyan);
    background: var(--bg-hover);
    border-color: var(--border-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.nav-link:hover i {
    transform: scale(1.1);
    color: var(--accent-cyan);
}

/* Active menu item */
.nav-item.active .nav-link,
.nav-item .nav-link.active {
    color: var(--accent-cyan);
    background: var(--bg-hover);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

/* Dropdown */
.dropdown-arrow {
    font-size: 10px;
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.nav-item.dropdown.show .dropdown-arrow,
.nav-item.dropdown.open .dropdown-arrow,
.dropdown.show .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 220px;
    background: rgba(21, 27, 59, 0.98) !important;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), var(--shadow-glow);
    list-style: none;
    padding: 8px 0;
    margin: 0;
    display: none;
    z-index: 999999 !important;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    visibility: hidden;
    pointer-events: none;
}

.dropdown-menu.show,
.nav-item.open > .dropdown-menu {
    display: block !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
    visibility: visible !important;
    pointer-events: auto !important;
}

/* Dropdown menu items (li) */
.dropdown-menu > li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
}

/* Dropdown item links */
.dropdown-item {
    display: flex !important;
    align-items: center;
    gap: 12px;
    padding: 12px 20px !important;
    color: var(--text-secondary) !important;
    background: transparent !important;
    text-decoration: none !important;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    width: 100%;
    font-size: 14px !important;
}

.dropdown-item i {
    font-size: 14px !important;
    width: 20px;
    text-align: center;
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
}

.dropdown-item span {
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    color: var(--accent-cyan) !important;
    background: var(--bg-hover) !important;
    border-left-color: var(--accent-cyan) !important;
    padding-left: 24px !important;
}

.dropdown-item:hover i,
.dropdown-item:hover span {
    color: var(--accent-cyan) !important;
}

.dropdown-item.active {
    color: var(--accent-cyan) !important;
    background: var(--bg-hover) !important;
    border-left-color: var(--accent-cyan) !important;
}

.dropdown-item:hover {
    color: var(--accent-cyan);
    background: var(--bg-hover);
    border-left-color: var(--accent-cyan);
    padding-left: 24px;
}

.dropdown-item.active {
    color: var(--accent-cyan);
    background: var(--bg-hover);
    border-left-color: var(--accent-cyan);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

/* User Profile Section */
.topbar-user {
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.user-dropdown {
    position: relative;
}

.user-profile-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.user-profile-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 14px;
}

.user-name {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 260px;
    background: rgba(21, 27, 59, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), var(--shadow-glow);
    list-style: none;
    padding: 0;
    margin: 0;
    display: none;
    z-index: 1001;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.user-dropdown-menu.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.user-info {
    padding: 20px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 102, 255, 0.1));
    border-radius: 12px 12px 0 0;
}

.user-info h4 {
    margin: 0 0 5px 0;
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 600;
}

.user-info p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-link i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.dropdown-link:hover {
    color: var(--accent-cyan);
    background: var(--bg-hover);
    border-left-color: var(--accent-cyan);
    padding-left: 24px;
}

.logout-link:hover {
    color: var(--accent-orange);
    border-left-color: var(--accent-orange);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: var(--spacing-sm);
}

.toggle-icon {
    width: 24px;
    height: 2px;
    background: var(--accent-cyan);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover .toggle-icon {
    background: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan);
}

.mobile-menu-toggle.active .toggle-icon:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .toggle-icon:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .toggle-icon:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* === CARD STYLES === */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), var(--shadow-glow);
    transform: translateY(-2px);
    border-color: var(--accent-cyan);
}

.card-header {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 102, 255, 0.1));
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md);
    border-radius: 12px 12px 0 0;
    color: var(--text-primary);
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-md);
}

/* === TABLE STYLES === */
.table {
    color: var(--text-primary);
    background: transparent;
}

.table thead th {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 102, 255, 0.15));
    border-color: var(--border-color);
    color: var(--accent-cyan);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
    padding: 15px 12px;
}

.table tbody tr {
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: var(--bg-hover);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.1);
}

.table td {
    border-color: var(--border-color);
    padding: 12px;
    vertical-align: middle;
}

/* === BUTTON STYLES === */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    border-color: var(--accent-cyan);
    color: var(--primary-dark);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #00ff88, #00cc6a);
    border-color: var(--accent-green);
    color: var(--primary-dark);
}

.btn-success:hover {
    background: linear-gradient(135deg, #00ff88, #00dd75);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    border-color: #ff6b6b;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #ff5252, #ff6b6b);
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.5);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent-orange), #ff8c42);
    border-color: var(--accent-orange);
    color: var(--primary-dark);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #ff7c35, var(--accent-orange));
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    transform: translateY(-2px);
}

.btn-info {
    background: linear-gradient(135deg, var(--accent-purple), #7c3aed);
    border-color: var(--accent-purple);
}

.btn-info:hover {
    background: linear-gradient(135deg, var(--neon-purple), var(--accent-purple));
    box-shadow: 0 0 20px rgba(108, 99, 255, 0.5);
    transform: translateY(-2px);
}

/* === FORM STYLES === */
.form-control {
    background: rgba(21, 27, 59, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.7rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(21, 27, 59, 0.8);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.25), 0 0 15px rgba(0, 212, 255, 0.2);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* === BREADCRUMB STYLES === */
.breadcrumb {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 20px;
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-item {
    color: var(--text-secondary);
}

.breadcrumb-item.active {
    color: var(--accent-cyan);
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--accent-cyan);
}

/* === PAGINATION STYLES === */
.pagination {
    justify-content: flex-end;
}

.page-item .page-link {
    background: rgba(21, 27, 59, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.page-item .page-link:hover {
    background: var(--bg-hover);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    border-color: var(--accent-cyan);
    color: var(--primary-dark);
    box-shadow: var(--shadow-glow);
}

/* === MODAL STYLES === */
.modal {
    z-index: 1000000 !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
}

.modal-backdrop {
    z-index: 999999 !important;
}

.modal-dialog {
    pointer-events: auto !important;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5), var(--shadow-glow);
    color: var(--text-primary);
    pointer-events: auto !important;
}

.modal-header {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 102, 255, 0.1));
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0;
}

.modal-title {
    color: var(--accent-cyan);
    font-weight: 600;
}

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

.close {
    color: var(--text-secondary);
    opacity: 1;
    transition: all 0.3s ease;
}

.close:hover {
    color: var(--accent-cyan);
    text-shadow: 0 0 10px var(--accent-cyan);
}

/* === ALERT STYLES === */
.alert {
    border-radius: 8px;
    border: 1px solid;
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.alert-danger {
    background: rgba(255, 107, 107, 0.1);
    border-color: #ff6b6b;
    color: #ff6b6b;
}

.alert-warning {
    background: rgba(255, 107, 53, 0.1);
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1200px) {
    .topbar-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-link {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    .user-name {
        max-width: 120px;
    }
}

@media (max-width: 992px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .topbar-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(21, 27, 59, 0.98);
        backdrop-filter: blur(10px);
        border-bottom: 2px solid var(--border-color);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        display: none;
        max-height: calc(100vh - var(--topbar-height));
        overflow-y: auto;
    }
    
    .topbar-nav.active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-xs);
        align-items: stretch;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--border-color);
        margin-left: var(--spacing-md);
        margin-top: var(--spacing-xs);
        border-radius: 0;
        background: rgba(10, 14, 39, 0.5);
    }
    
    .user-name {
        display: none;
    }
    
    .content-wrapper {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --topbar-height: 60px;
    }
    
    .topbar-container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo-img {
        height: 32px;
    }
    
    .topbar-logo {
        margin-right: var(--spacing-sm);
    }
    
    .topbar-user {
        margin-left: var(--spacing-sm);
    }
    
    .user-profile-btn {
        padding: 6px 12px;
    }
    
    .user-avatar {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .content-wrapper {
        padding: var(--spacing-sm);
    }
    
    .card-body {
        padding: var(--spacing-sm);
    }
    
    .table {
        font-size: 13px;
    }
    
    .table thead th,
    .table td {
        padding: 10px 8px;
    }
    
    .btn {
        font-size: 12px;
        padding: 8px 16px;
    }
    
    .btn-sm-block {
        display: block;
        width: 100%;
    }
}

@media (max-width: 576px) {
    .modal-sm,
    .modal-lg,
    .modal-xl,
    .modal-full {
        width: 95%;
    }
    
    .user-dropdown-menu {
        right: -10px;
        min-width: 240px;
    }
    
    .page-container {
        padding: 0;
    }
}

/* === SCROLLBAR STYLING === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
    box-shadow: 0 0 10px var(--accent-cyan);
}

/* === ANIMATIONS === */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

.glow {
    animation: glow 2s ease-in-out infinite;
}

/* === UTILITY CLASSES === */
.text-cyan {
    color: var(--accent-cyan);
}

.text-neon {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

.bg-glass {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.border-glow {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

/* === FOOTER === */
.iot-footer {
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.98), rgba(21, 27, 59, 0.98));
    backdrop-filter: blur(10px);
    border-top: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    margin-top: auto;
    position: relative;
    z-index: 10;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 212, 255, 0.05);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.footer-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.footer-brand {
    font-weight: 600;
    font-size: 16px;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    letter-spacing: 0.5px;
}

.footer-divider {
    color: var(--border-color);
    font-weight: 300;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 400;
}

.footer-right {
    display: flex;
    align-items: center;
}

.copyright {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 400;
}

footer a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
}

footer a:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* Footer Responsive */
@media (max-width: 768px) {
    .footer-container {
        padding: 0 var(--spacing-md);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }
    
    .footer-left {
        justify-content: center;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .footer-divider {
        display: none;
    }
    
    .footer-brand {
        font-size: 15px;
    }
    
    .footer-tagline {
        font-size: 13px;
    }
    
    .copyright {
        font-size: 12px;
    }
    
    .iot-footer {
        padding: var(--spacing-sm) 0;
    }
}

@media (max-width: 576px) {
    .footer-container {
        padding: 0 var(--spacing-sm);
    }
    
    .footer-brand {
        font-size: 14px;
    }
    
    .footer-tagline {
        font-size: 12px;
    }
    
    .copyright {
        font-size: 11px;
    }
}