:root {
    /* Light Mode */
    --bg-body: #F3F4F6;
    --bg-card: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --accent-color: #bef264;
    /* Swirly Lime */
    --accent-hover: #a3e635;
    --accent-text: #1a2e05;
    --border-color: #E5E7EB;
    --nav-bg: #FFFFFF;
    --table-stripe: #F9FAFB;
    --hover-bg: #F3F4F6;
}

[data-theme="dark"] {
    /* Dark Mode - Deep Slate */
    --bg-body: #0B1120;
    /* Darker Slate */
    --bg-card: #151F32;
    /* Rich Slate */
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --accent-color: #bef264;
    /* Keep the pop */
    --accent-hover: #a3e635;
    --accent-text: #0B1120;
    --border-color: #2D3748;
    --nav-bg: #151F32;
    --table-stripe: #1A263E;
    --hover-bg: #1E293B;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar */
.navbar {
    background-color: var(--nav-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 40px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.brand {
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    background: var(--bg-body);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 20px;
}

.nav-item:hover {
    color: var(--text-primary);
}

.nav-item.active {
    color: var(--accent-text);
    background-color: var(--accent-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.action-icon {
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    padding: 8px;
    border-radius: 12px;
}

.action-icon:hover {
    color: var(--text-primary);
    background-color: var(--hover-bg);
}

/* User Profile in Nav */
.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 4px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    padding-right: 16px;
    transition: all 0.2s;
}

.user-menu:hover {
    background-color: var(--hover-bg);
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: var(--accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Main Layout */
.container-custom {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* Header Section */
.page-header {
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Cards & Stats */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.card {
    background-color: var(--bg-card);
    border-radius: 24px;
    padding: 32px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .card:hover {
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
}


.stat-card.primary {
    background: linear-gradient(145deg, var(--accent-color), var(--accent-hover));
    border: none;
    color: var(--accent-text);
}

.stat-card.primary .stat-label,
.stat-card.primary .stat-value,
.stat-card.primary p {
    color: var(--accent-text);
}

.stat-value {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
    line-height: 1;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    opacity: 0.8;
}

/* Tables */
.table-container {
    background-color: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    text-align: left;
    padding: 20px 28px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-card);
    /* Match card bg to avoid high contrast */
}

.table td {
    padding: 24px 28px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
    font-weight: 600;
    vertical-align: middle;
    background-color: var(--bg-card);
    /* IMPORTANT: Fixes white bg in dark mode */
    transition: background-color 0.2s;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background-color: var(--hover-bg);
}

/* Badges & Buttons */
.badge {
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-success {
    background: rgba(34, 197, 94, 0.1);
    color: #15803d;
}

.badge-warning {
    background: rgba(234, 179, 8, 0.1);
    color: #a16207;
}

.badge-neutral {
    background: rgba(107, 114, 128, 0.1);
    color: var(--text-secondary);
}

[data-theme="dark"] .badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
}

[data-theme="dark"] .badge-warning {
    background: rgba(234, 179, 8, 0.2);
    color: #fde047;
}

[data-theme="dark"] .badge-neutral {
    background: rgba(148, 163, 184, 0.2);
    color: #cbd5e1;
}

.btn-icon-group {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 18px;
}

.btn-icon:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-body);
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Canvas Chart */
canvas {
    width: 100% !important;
    height: 400px !important;
}

/* Login Page */
.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-body);
}

.login-box {
    width: 100%;
    max-width: 420px;
    padding: 48px;
    background: var(--bg-card);
    border-radius: 32px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
}

/* Transitions */
.section-content {
    animation: fadeIn 0.4s ease-out;
}

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

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

/* Utilities Overrides */
.text-primary {
    color: var(--text-primary) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.text-muted {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .card h1,
[data-theme="dark"] .card h2,
[data-theme="dark"] .card h3,
[data-theme="dark"] .card h4,
[data-theme="dark"] .card h5,
[data-theme="dark"] .card h6,
[data-theme="dark"] .card p,
[data-theme="dark"] .card span:not(.badge),
[data-theme="dark"] .card div:not(.badge) {
    color: var(--text-primary);
}

[data-theme="dark"] .stat-label,
[data-theme="dark"] .text-secondary {
    color: var(--text-secondary) !important;
}

/* Fix for Primary Card Text Contrast */
.stat-card.primary .stat-value,
.stat-card.primary .stat-label,
.stat-card.primary .badge {
    color: var(--accent-text) !important;
}

[data-theme="dark"] .stat-card.primary .stat-value,
[data-theme="dark"] .stat-card.primary .stat-label,
[data-theme="dark"] .stat-card.primary .badge {
    color: var(--accent-text) !important;
}

/* Adjustments for Maintenance and other sections */
.section-content {
    margin-top: -10px;
    /* Pull up a bit */
}

.glass-panel {
    border-radius: 28px;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.1);
}

/* Custom Highlights */
.bg-highlight {
    background-color: var(--hover-bg) !important;
}

.border-theme {
    border-color: var(--border-color) !important;
}

/* Form Controls Dark Mode Fix */
[data-theme="dark"] .form-control {
    background-color: var(--hover-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

[data-theme="dark"] .input-group-text {
    background-color: var(--hover-bg);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

/* Dark mode textarea fix */
[data-theme="dark"] textarea.form-control {
    background-color: #0F172A;
    /* Slightly darker for contrast in editor areas */
}

/* Modal Theming */
[data-theme="dark"] .modal-content {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Select & Switch Adjustments */
[data-theme="dark"] .form-select {
    background-color: var(--hover-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23f1f5f9' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

[data-theme="dark"] .form-check-input {
    background-color: var(--hover-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

/* Glass Effect Theme Fix */
.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .glass-panel {
    background: rgba(15, 23, 42, 0.7);
    border-color: var(--border-color) !important;
}

/* Alert Theme Fixes */
[data-theme="dark"] .alert-warning-soft {
    background: rgba(234, 179, 8, 0.15) !important;
    border: 1px solid rgba(234, 179, 8, 0.3) !important;
    color: #fbbf24 !important;
    /* Brighter amber */
}

[data-theme="dark"] .alert-warning-soft * {
    color: #fbbf24 !important;
}

/* Step Labels Visibility */
[data-theme="dark"] .form-label.text-secondary {
    color: var(--text-primary) !important;
    opacity: 0.9;
}

/* Force dark for special list/box areas */
[data-theme="dark"] .list-group-item {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] #maintenanceDeviceList {
    background-color: #0F172A !important;
}

/* Select option fix */
[data-theme="dark"] select option {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

/* Smooth transitions for all theme changes */
.card,
.form-control,
.form-select,
.list-group-item,
.alert,
.bg-highlight {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}