html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

a, .btn-link {
    color: #2563eb;
}

.btn-primary {
    color: #fff;
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-primary:hover {
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  rgba(37, 99, 235, 0.4)
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #2563eb;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ===== Sensor Modal Styles (Global) ===== */
.sensor-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1rem;
    backdrop-filter: blur(4px);
    animation: sensorModalFadeIn 0.2s ease;
}

@keyframes sensorModalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.sensor-modal-content {
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 850px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: sensorModalSlideUp 0.3s ease;
}

@keyframes sensorModalSlideUp {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sensor-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    background: #f8fafc;
    border-radius: 16px 16px 0 0;
}

.sensor-modal-title-section h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
}

.sensor-modal-device-id {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: #64748b;
}

.sensor-modal-close {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    color: #64748b;
    transition: all 0.2s ease;
}

.sensor-modal-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #1a202c;
}

.sensor-modal-close .material-icons {
    font-size: 1.5rem !important;
}

.sensor-modal-body {
    padding: 1.5rem;
}

/* Current Readings Cards */
.sensor-current-readings {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.sensor-reading-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
}

.sensor-reading-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.sensor-reading-card .material-icons {
    font-size: 2rem !important;
}

.sensor-reading-card.temperature .material-icons {
    color: #ef4444;
}

.sensor-reading-card.humidity .material-icons {
    color: #3b82f6;
}

.sensor-reading-card.battery .material-icons {
    color: var(--battery-color, #2563eb);
}

.sensor-reading-card.status .material-icons {
    color: #2563eb;
}

.sensor-reading-info {
    display: flex;
    flex-direction: column;
}

.sensor-reading-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a202c;
    line-height: 1.2;
}

.sensor-reading-label {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 0.15rem;
}

/* Chart Section */
.sensor-chart-section {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.25rem;
    border: 1px solid #e2e8f0;
}

.sensor-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.sensor-chart-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #1a202c;
}

.sensor-loading-indicator {
    font-size: 0.85rem;
    color: #2563eb;
}

.sensor-chart-container {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid #e2e8f0;
}

.sensor-history-chart {
    width: 100%;
    height: auto;
    display: block;
}

.sensor-chart-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid #e2e8f0;
}

.sensor-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #1a202c;
}

.sensor-legend-color {
    width: 16px;
    height: 4px;
    border-radius: 2px;
}

/* Battery Chart Info */
.battery-chart-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.battery-stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: white;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.battery-stat .material-icons {
    color: #2563eb;
    font-size: 1.5rem !important;
}

.battery-stat div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.battery-stat strong {
    font-size: 0.75rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.battery-stat div > span:not(strong) {
    font-size: 0.9rem;
    color: #1a202c;
    font-weight: 500;
}

.sensor-no-history-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
    color: #64748b;
}

.sensor-no-history-message .material-icons {
    font-size: 3rem !important;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

.sensor-no-history-message p {
    margin: 0;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .sensor-modal-content {
        max-height: 95vh;
        border-radius: 12px 12px 0 0;
        margin-top: auto;
    }

    .sensor-current-readings {
        grid-template-columns: repeat(2, 1fr);
    }

    .sensor-reading-card {
        padding: 0.75rem;
    }

    .sensor-reading-card .material-icons {
        font-size: 1.5rem !important;
    }

    .sensor-reading-value {
        font-size: 1.1rem;
    }

    .sensor-chart-legend {
        gap: 1rem;
    }
}

/* ============================================================
   DDT LINK ACC — CSS Variable Theming System
   Accent colors are CSS variables — change them freely.
   ============================================================ */

/* ---------- Accent Color Palette (edit these!) ---------- */
:root {
    --accent-primary: #2563eb;
    --accent-primary-hover: #1d4ed8;
    --accent-primary-rgb: 37, 99, 235;
    --accent-secondary: #3b82f6;
    --accent-secondary-hover: #2563eb;
    --accent-secondary-rgb: 59, 130, 246;
    --accent-success: #22c55e;
    --accent-success-rgb: 34, 197, 94;
    --accent-danger: #ef4444;
    --accent-danger-rgb: 239, 68, 68;
    --accent-warning: #f59e0b;
    --accent-warning-rgb: 245, 158, 11;
    --accent-info: #06b6d4;
    --accent-info-rgb: 6, 182, 212;
    /* Sidebar gradient — uses accent palette */
    --sidebar-gradient-start: #1e3a5f;
    --sidebar-gradient-end: #1d4ed8;
    /* Global radius & transition */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* ---------- Light Theme (DEFAULT) ---------- */
:root, [data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-elevated: #ffffff;
    --bg-hover: #f1f5f9;
    --bg-active: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    --border-focus: var(--accent-primary);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(37, 99, 235, 0.15);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --accordion-bg: var(--bg-elevated);
    --accordion-header-hover: var(--bg-hover);
    --accordion-border: var(--border-primary);
    --input-bg: var(--bg-primary);
    --input-border: var(--border-secondary);
    --input-text: var(--text-primary);
    --input-placeholder: var(--text-tertiary);
    --scrollbar-track: var(--bg-tertiary);
    --scrollbar-thumb: var(--border-secondary);
    --sidebar-gradient-start: #0f2557;
    --sidebar-gradient-end: #0d1f4a;
    color-scheme: light;
}

/* ---------- Dark Theme ---------- */
[data-theme="dark"] {
    --bg-primary: #0b1120;
    --bg-secondary: #131c31;
    --bg-tertiary: #1c2840;
    --bg-elevated: #162033;
    --bg-hover: rgba(37, 99, 235, 0.08);
    --bg-active: #2a3a57;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-inverse: #ffffff;
    --border-primary: rgba(148, 163, 184, 0.1);
    --border-secondary: rgba(148, 163, 184, 0.15);
    --border-focus: var(--accent-primary);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(37, 99, 235, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --accordion-bg: var(--bg-elevated);
    --accordion-header-hover: var(--bg-hover);
    --accordion-border: var(--border-primary);
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-border: rgba(148, 163, 184, 0.15);
    --input-text: var(--text-primary);
    --input-placeholder: var(--text-tertiary);
    --scrollbar-track: var(--bg-secondary);
    --scrollbar-thumb: rgba(148, 163, 184, 0.2);
    --sidebar-gradient-start: #0f2557;
    --sidebar-gradient-end: #0d1f4a;
    color-scheme: dark;
}

/* ---------- Global Resets & Base ---------- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 3px;
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--text-tertiary);
    }

/* ---------- Selection ---------- */
::selection {
    background-color: rgba(var(--accent-primary-rgb), 0.3);
    color: var(--text-primary);
}

/* ---------- Links ---------- */
a, .btn-link {
    color: var(--accent-primary);
    transition: color var(--transition-fast);
    text-decoration: none;
}

    a:hover, .btn-link:hover {
        color: var(--accent-primary-hover);
    }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.5;
}

.btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    background-size: 200% 200%;
    border-color: var(--accent-primary);
    transition: all var(--transition-fast);
}

    .btn-primary:hover, .btn-primary:focus {
        background-position: 100% 0;
        border-color: var(--accent-primary-hover);
        color: #ffffff;
        box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.3), 0 4px 20px rgba(var(--accent-primary-rgb), 0.4);
        transform: translateY(-2px);
    }

    .btn-primary:active {
        transform: translateY(0);
    }

.btn-accent-secondary {
    color: #ffffff;
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

    .btn-accent-secondary:hover {
        background-color: var(--accent-secondary-hover);
        border-color: var(--accent-secondary-hover);
        color: #ffffff;
    }

.btn-outline-accent {
    color: var(--accent-primary);
    background-color: transparent;
    border: 1px solid var(--accent-primary);
}

    .btn-outline-accent:hover {
        background-color: var(--accent-primary);
        color: #ffffff;
    }

/* ---------- Button Sizes ---------- */
.btn-xs {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.btn-sm {
    padding: 0.375rem 1rem;
    font-size: 0.8rem;
    border-radius: var(--radius-md);
}

/* ---------- Icon Action Buttons ---------- */
.mgmt-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

    .mgmt-action-btn:hover {
        background-color: var(--bg-hover);
        color: var(--accent-primary);
        border-color: var(--accent-primary);
        box-shadow: 0 0 8px rgba(var(--accent-primary-rgb), 0.15);
        transform: scale(1.08);
    }

    .mgmt-action-btn.danger:hover {
        color: var(--accent-danger);
        border-color: var(--accent-danger);
        background-color: rgba(var(--accent-danger-rgb), 0.08);
        box-shadow: 0 0 8px rgba(var(--accent-danger-rgb), 0.15);
    }

    .mgmt-action-btn.success:hover {
        color: var(--accent-success);
        border-color: var(--accent-success);
        background-color: rgba(var(--accent-success-rgb), 0.08);
        box-shadow: 0 0 8px rgba(var(--accent-success-rgb), 0.15);
    }

/* ---------- Form Layout Utilities ---------- */
.mgmt-form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.mgmt-field {
    flex: 1;
    min-width: 180px;
}

    .mgmt-field label {
        display: block;
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--text-secondary);
        margin-bottom: 0.25rem;
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }

.mgmt-form-actions {
    display: flex;
    gap: 0.5rem;
    padding-top: 0.5rem;
}

.mgmt-inline-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.mgmt-error {
    background-color: rgba(var(--accent-danger-rgb), 0.1);
    border: 1px solid rgba(var(--accent-danger-rgb), 0.25);
    color: var(--accent-danger);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
}

@media (max-width: 640px) {
    .mgmt-form-row {
        flex-direction: column;
    }

    .mgmt-field {
        min-width: 100%;
    }

    .mgmt-action-btn {
        width: 34px;
        height: 34px;
    }
}

.btn:focus-visible,
.form-control:focus-visible,
.form-check-input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px rgba(var(--accent-primary-rgb), 0.5);
}

/* ---------- Cards & Surfaces ---------- */
.card {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

    .card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, transparent, rgba(var(--accent-primary-rgb), 0.3), transparent);
        opacity: 0;
        transition: opacity var(--transition-base);
    }

    .card:hover {
        box-shadow: var(--shadow-md), 0 0 20px rgba(var(--accent-primary-rgb), 0.12);
        border-color: rgba(var(--accent-primary-rgb), 0.25);
        transform: translateY(-2px);
    }

        .card:hover::before {
            opacity: 1;
        }

/* ---------- Glass-morphism Utility ---------- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
}

/* ---------- Form Controls ---------- */
.form-control, .form-select {
    background-color: var(--input-bg);
    color: var(--input-text);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

    .form-control:focus, .form-select:focus {
        background-color: var(--input-bg);
        color: var(--input-text);
        border-color: var(--accent-primary);
        box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.15);
        outline: none;
    }

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

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--input-placeholder);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

.form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}

    .form-check-input:checked {
        background-color: var(--accent-primary);
        border-color: var(--accent-primary);
    }

/* ---------- Accordions ---------- */
.accordion-item {
    background-color: var(--accordion-bg);
    border: 1px solid var(--accordion-border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 0.5rem;
    overflow: hidden;
    transition: all var(--transition-base), box-shadow 0.3s ease;
}

    .accordion-item:hover {
        border-color: rgba(var(--accent-primary-rgb), 0.2);
        box-shadow: 0 2px 16px rgba(var(--accent-primary-rgb), 0.1);
    }

.accordion-header {
    cursor: pointer;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background-color var(--transition-fast);
    user-select: none;
    gap: 0.75rem;
}

    .accordion-header:hover {
        background-color: var(--accordion-header-hover);
    }

.accordion-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.accordion-header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 1;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.accordion-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.accordion-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.accordion-meta {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.accordion-body {
    padding: 0 1rem 1rem 1rem;
}

.accordion-chevron {
    transition: transform var(--transition-base);
    color: var(--text-tertiary);
    font-size: 1rem;
    flex-shrink: 0;
    line-height: 1;
}

    .accordion-chevron.open {
        transform: rotate(180deg);
        color: var(--accent-primary);
    }

/* Nesting indicators */
.nested-l2 {
    margin-left: 0.5rem;
    border-left: 2px solid rgba(var(--accent-primary-rgb), 0.2);
}

.nested-l3 {
    margin-left: 0.5rem;
    border-left: 2px solid rgba(var(--accent-secondary-rgb), 0.2);
}

/* ---------- Locate Button ---------- */
.locate-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    text-decoration: none;
}

    .locate-btn:hover {
        background-color: rgba(var(--accent-info-rgb), 0.1);
        color: var(--accent-info);
        border-color: var(--accent-info);
        box-shadow: 0 0 8px rgba(var(--accent-info-rgb), 0.15);
        transform: scale(1.08);
    }

/* ---------- Google Places Autocomplete Dropdown ---------- */
.pac-container {
    background-color: var(--bg-elevated) !important;
    border: 1px solid var(--border-primary) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
    margin-top: 4px !important;
    z-index: 10000 !important;
}

.pac-item {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.85rem !important;
    color: var(--text-primary) !important;
    border-top: 1px solid var(--border-primary) !important;
    cursor: pointer !important;
    transition: background-color 0.15s ease !important;
}

    .pac-item:first-child {
        border-top: none !important;
    }

    .pac-item:hover,
    .pac-item-selected {
        background-color: var(--bg-hover) !important;
    }

.pac-item-query {
    font-size: 0.85rem !important;
    color: var(--text-primary) !important;
}

.pac-matched {
    color: var(--accent-primary) !important;
    font-weight: 600 !important;
}

.pac-icon {
    display: none !important;
}

/* ---------- Status Indicators ---------- */
.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

    .status-dot.in-range {
        background-color: var(--accent-success);
        box-shadow: 0 0 6px rgba(var(--accent-success-rgb), 0.5), 0 0 16px rgba(var(--accent-success-rgb), 0.2);
        animation: pulse-success 3s ease-in-out infinite;
    }

    .status-dot.out-of-range {
        background-color: var(--accent-danger);
        box-shadow: 0 0 6px rgba(var(--accent-danger-rgb), 0.5), 0 0 20px rgba(var(--accent-danger-rgb), 0.3);
        animation: pulse-danger 1.5s infinite;
    }

    .status-dot.maintenance {
        background-color: var(--accent-warning);
        box-shadow: 0 0 6px rgba(var(--accent-warning-rgb), 0.5), 0 0 16px rgba(var(--accent-warning-rgb), 0.2);
        animation: pulse-warning 2.5s ease-in-out infinite;
    }

@keyframes pulse-success {
    0%, 100% {
        box-shadow: 0 0 6px rgba(var(--accent-success-rgb), 0.5), 0 0 16px rgba(var(--accent-success-rgb), 0.2);
    }

    50% {
        box-shadow: 0 0 10px rgba(var(--accent-success-rgb), 0.7), 0 0 24px rgba(var(--accent-success-rgb), 0.3);
    }
}

@keyframes pulse-danger {
    0%, 100% {
        box-shadow: 0 0 6px rgba(var(--accent-danger-rgb), 0.5), 0 0 20px rgba(var(--accent-danger-rgb), 0.3);
    }

    50% {
        box-shadow: 0 0 14px rgba(var(--accent-danger-rgb), 0.8), 0 0 32px rgba(var(--accent-danger-rgb), 0.4);
    }
}

@keyframes pulse-warning {
    0%, 100% {
        box-shadow: 0 0 6px rgba(var(--accent-warning-rgb), 0.5), 0 0 16px rgba(var(--accent-warning-rgb), 0.2);
    }

    50% {
        box-shadow: 0 0 10px rgba(var(--accent-warning-rgb), 0.7), 0 0 24px rgba(var(--accent-warning-rgb), 0.3);
    }
}

/* ---------- Badge Utility ---------- */
.badge-accent {
    background-color: rgba(var(--accent-primary-rgb), 0.15);
    color: var(--accent-primary);
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background-color: rgba(var(--accent-success-rgb), 0.15);
    color: var(--accent-success);
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-danger {
    background-color: rgba(var(--accent-danger-rgb), 0.15);
    color: var(--accent-danger);
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-warning {
    background-color: rgba(var(--accent-warning-rgb), 0.15);
    color: var(--accent-warning);
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ---------- Validation ---------- */
.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--accent-success);
}

.invalid {
    outline: 1px solid var(--accent-danger);
}

.validation-message {
    color: var(--accent-danger);
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, var(--accent-danger);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: var(--border-secondary);
}

/* ---------- Utility Classes ---------- */
.text-accent {
    color: var(--accent-primary) !important;
}

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

.bg-accent {
    background-color: var(--accent-primary) !important;
}

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

.gap-1 {
    gap: 0.25rem;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 1rem;
}

.gap-4 {
    gap: 1.5rem;
}

/* ---------- Animated Gradient Utilities ---------- */
@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes float-up {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

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

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 8px rgba(var(--accent-primary-rgb), 0.15);
    }

    50% {
        box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.35);
    }
}

@keyframes border-glow {
    0%, 100% {
        border-color: rgba(var(--accent-primary-rgb), 0.15);
    }

    50% {
        border-color: rgba(var(--accent-primary-rgb), 0.4);
    }
}

@keyframes spin-slow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.animate-float-up {
    animation: float-up 0.5s ease-out both;
}

.animate-float-up-1 {
    animation: float-up 0.5s ease-out 0.05s both;
}

.animate-float-up-2 {
    animation: float-up 0.5s ease-out 0.1s both;
}

.animate-float-up-3 {
    animation: float-up 0.5s ease-out 0.15s both;
}

.animate-float-up-4 {
    animation: float-up 0.5s ease-out 0.2s both;
}

.animate-scale-in {
    animation: scale-in 0.4s ease-out both;
}

.animate-fade-in {
    animation: fade-in 0.4s ease-out both;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-info), var(--accent-secondary));
    background-size: 200% 200%;
    animation: gradient-shift 4s ease infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow-accent {
    box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.3), 0 0 50px rgba(var(--accent-primary-rgb), 0.1);
}

.glow-accent-hover:hover {
    box-shadow: 0 0 30px rgba(var(--accent-primary-rgb), 0.4), 0 0 80px rgba(var(--accent-primary-rgb), 0.15);
}

.shimmer-bg {
    background: linear-gradient(90deg, transparent 0%, rgba(var(--accent-primary-rgb), 0.06) 40%, rgba(var(--accent-primary-rgb), 0.14) 50%, rgba(var(--accent-primary-rgb), 0.06) 60%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

/* ---------- Empty States ---------- */
.empty-state {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

/* ---------- Text Helpers ---------- */
.text-danger {
    color: var(--accent-danger) !important;
}

/* ---------- Mobile Responsive Helpers ---------- */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }

    .content {
        padding-top: 0.5rem;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ---------- Accordion Mobile ---------- */
@media (max-width: 640px) {
    .accordion-header {
        padding: 0.625rem 0.75rem;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .accordion-header-left {
        gap: 0.5rem;
    }

    .accordion-header-right {
        width: 100%;
        justify-content: flex-start;
        padding-left: calc(0.65rem + 0.5rem); /* chevron width + gap */
    }

    .accordion-title {
        font-size: 0.8rem;
    }

    .accordion-meta {
        white-space: normal;
        font-size: 0.7rem;
    }

    .accordion-body {
        padding: 0 0.625rem 0.75rem 0.625rem;
    }

    .nested-l2, .nested-l3 {
        margin-left: 0.25rem;
    }
}
.status-badge {
    display: flex;
    align-items: center;
    justify-items: center;
    gap: 20px;
}

.status-badge h4 {
    margin: 0;
    color: #646464;
    font-weight: 400;
    letter-spacing: -1px;
}


@font-face {
    font-family: 'Material Symbols Outlined';
    font-style: normal;
    font-weight: 300;
    src: url('../font/kJF1BvYX7BgnkSrUwT8OhrdQw4oELdPIeeII9v6oDMzByHX9rA6RzaxHMPdY43zj-jCxv3fzvRNU22ZXGJpEpjC_1v-p_4MrImHCIJIZrDDxHOej.woff2') format('woff2');
}

.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: lrt;
    -webkit-font-feature-settings: 'liga';
    -webkit-font-smoothing: antialiased;
}

.out-of-range {
    
    animation: pulse-battery 3s ease-in-out infinite;
}

@keyframes pulse-battery {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
        border-color: var(--border-primary);
        background: transparent;
    }

    50% {
        box-shadow: 0 0 5px rgba(239, 68, 68, 0.5);
        border-color: rgba(239, 68, 68, 0.5);
        background: #f7d9d9;
    }
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }

    .content {
        padding-top: 0.5rem;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}
@media (max-width: 640px) {
    .accordion-header {
        padding: 0.625rem 0.75rem;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .accordion-header-left {
        gap: 0.5rem;
    }

    .accordion-header-right {
        width: 100%;
        justify-content: flex-start;
        padding-left: calc(0.65rem + 0.5rem); /* chevron width + gap */
    }

    .accordion-title {
        font-size: 0.8rem;
    }

    .accordion-meta {
        white-space: normal;
        font-size: 0.7rem;
    }

    .accordion-body {
        padding: 0 0.625rem 0.75rem 0.625rem;
    }

    .nested-l2, .nested-l3 {
        margin-left: 0.25rem;
    }
}

.login-globe {
    position: absolute;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
}

.ice-card {
    min-width: 100%;
    min-height: 100%;
    top: 0;
    left: 0;
    position: absolute;
    background: transparent;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0);
    padding: 0;
    color: white;
    /*box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);*/
    z-index: -1;
    /* Apply the SVG filter to the card */
    filter: url(#ice-effect);
    /* Fallback/addition for modern browsers to help the glass look */
    backdrop-filter: blur(7px);
    /*overflow: hidden;*/
}

.ice-button {
    min-width: 100%;
    min-height: 100%;
    top: 0;
    left: 0;
    position: absolute;
    background: transparent;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0);
    padding: 0;
    color: white;
    /*box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);*/
    z-index: -2;
    /* Apply the SVG filter to the card */
    filter: url(#sharp-ice);
    /* Fallback/addition for modern browsers to help the glass look */
    backdrop-filter: blur(1px);
    /*overflow: hidden;*/
}

.icy-crack-effect {
    /*backdrop-filter: url(#crack-dispersion) blur(1px);*/
    transition: filter 0.3s ease;
}

/* Optional: Make the cracks "shiver" or intensify on hover */
.nav-item:hover .nav-icon svg {
    filter: url(#crack-dispersion) brightness(1.2);
}