/* ==========================================================================
   CSMS - Ultra-Modern Responsive Ceramic UI
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* Palette: Ceramic Light Theme with Slate & Electric Cyan */
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-muted: #f1f5f9;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-focus: #0284c7;

    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;

    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    --accent: #0ea5e9;
    --accent-glow: rgba(14, 165, 233, 0.18);

    --success: #10b981;
    --success-hover: #059669;
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    --success-text: #065f46;

    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    --warning-text: #92400e;

    --fault: #ef4444;
    --fault-hover: #dc2626;
    --fault-bg: #fef2f2;
    --fault-border: #fecaca;
    --fault-text: #991b1b;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 22px;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
    --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 6px 16px -4px rgba(15, 23, 42, 0.04);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ==========================================================================
   Header & Responsive Navigation
   ========================================================================== */
.top-nav {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

.top-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-shrink: 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
    color: #0f172a;
    text-decoration: none;
    transition: opacity 0.2s;
}
.brand-logo:hover { opacity: 0.9; }

.brand-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, #0284c7, #0ea5e9);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
}

.brand-badge {
    background: #f1f5f9;
    color: #0284c7;
    border: 1px solid #e0f2fe;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* Desktop Navigation */
.nav-links-desktop {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-link {
    color: #475569;
    text-decoration: none;
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}

.nav-link:hover {
    color: #0f172a;
    background: #f1f5f9;
}

.nav-link.active {
    color: #0284c7;
    background: var(--primary-light);
    font-weight: 700;
}

/* Header Action & Status Area */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
}

.charger-select-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-sm);
    padding: 0.3rem 0.65rem;
    transition: all 0.2s;
}
.charger-select-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.charger-select-wrapper label {
    font-size: 0.7rem;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.charger-select-wrapper select {
    font-family: var(--font-sans);
    font-size: 0.825rem;
    font-weight: 700;
    color: #0284c7;
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    max-width: 140px;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.725rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
}

.status-pill.online {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-border);
}

.status-pill.offline {
    background: var(--fault-bg);
    color: var(--fault-text);
    border: 1px solid var(--fault-border);
}

.status-pill.charging {
    background: var(--primary-light);
    color: var(--primary-hover);
    border: 1px solid #7dd3fc;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: currentColor;
}

.pulse {
    animation: pulse-dot 1.5s infinite ease-in-out;
}

@keyframes pulse-dot {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(1.3); }
    100% { opacity: 1; transform: scale(1); }
}

/* Mobile Nav Toggle Button */
.nav-toggle-btn {
    display: none;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-sm);
    padding: 0.45rem;
    color: #334155;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.nav-toggle-btn:hover {
    background: #f8fafc;
    color: #0f172a;
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
    display: none;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem 1.25rem;
    box-shadow: var(--shadow-lg);
}
.mobile-nav-drawer.open {
    display: block;
    animation: slideDown 0.25s ease-out forwards;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-nav-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.mobile-nav-link {
    color: #334155;
    text-decoration: none;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.15s;
}
.mobile-nav-link:hover, .mobile-nav-link.active {
    background: var(--primary-light);
    color: #0284c7;
    border-color: #bae6fd;
    font-weight: 700;
}

/* ==========================================================================
   Layout Containers & Grids
   ========================================================================== */
.container {
    max-width: 1400px;
    margin: 1.5rem auto;
    padding: 0 1.5rem;
}

.page-header {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #0f172a;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Adaptive Grids */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.grid-dash {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 1.25rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Metric Display Cards */
.metric-box {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.metric-label {
    font-size: 0.775rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.metric-val {
    font-size: 1.85rem;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-top: 0.35rem;
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.metric-unit {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-muted);
}

/* ==========================================================================
   Hero Charger Status Card (High-End Dark Ceramic Gradient)
   ========================================================================== */
.status-hero-card {
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.3), 0 8px 10px -6px rgba(15, 23, 42, 0.2);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.status-hero-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.18) 0%, rgba(56, 189, 248, 0) 70%);
    pointer-events: none;
}

.hero-tag {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.hero-model {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #94a3b8;
}

.hero-power-tag {
    background: rgba(14, 165, 233, 0.18);
    border: 1px solid rgba(56, 189, 248, 0.5);
    color: #38bdf8;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.03em;
}

.hero-state-display {
    margin: 1.25rem 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-state-title {
    font-size: clamp(2.2rem, 5vw, 2.75rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    line-height: 1.1;
}

.hero-state-title.Available { color: #34d399; text-shadow: 0 0 20px rgba(52, 211, 153, 0.45); }
.hero-state-title.Charging { color: #38bdf8; text-shadow: 0 0 25px rgba(56, 189, 248, 0.65); }
.hero-state-title.Preparing { color: #fbbf24; text-shadow: 0 0 15px rgba(251, 191, 36, 0.4); }
.hero-state-title.Faulted { color: #f87171; text-shadow: 0 0 20px rgba(248, 113, 113, 0.5); }
.hero-state-title.Offline { color: #94a3b8; }
.hero-state-title.SuspendedEV, .hero-state-title.SuspendedEVSE { color: #fb923c; }

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    margin-top: 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: 0.85rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.hero-metric-val {
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.hero-metric-lbl {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #94a3b8;
    margin-top: 0.2rem;
}

/* ==========================================================================
   Buttons & Controls
   ========================================================================== */
.control-bar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.15rem;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    text-align: center;
    user-select: none;
    line-height: 1.2;
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none !important;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}
.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

.btn-start {
    background: #10b981;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.28);
}
.btn-start:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.38);
}

.btn-stop {
    background: #ef4444;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.28);
}
.btn-stop:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.38);
}

.btn-secondary {
    background: #ffffff;
    color: #334155;
    border-color: #cbd5e1;
    box-shadow: var(--shadow-xs);
}
.btn-secondary:hover:not(:disabled) {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #0f172a;
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   Badges, Pills & Tables
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1;
}

.badge-success { background: var(--success-bg); color: var(--success-text); border: 1px solid var(--success-border); }
.badge-danger { background: var(--fault-bg); color: var(--fault-text); border: 1px solid var(--fault-border); }
.badge-warning { background: var(--warning-bg); color: var(--warning-text); border: 1px solid var(--warning-border); }
.badge-info { background: var(--primary-light); color: var(--primary-hover); border: 1px solid #bae6fd; }

.badge-in { background: #e0f2fe; color: #0369a1; }
.badge-out { background: #f1f5f9; color: #475569; }

/* 3-Phase Electrical Grid */
.electrical-phases {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
}

.phase-cell {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    text-align: center;
}

.phase-name {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 0.2rem;
}

.phase-val {
    font-size: 1.15rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

/* Tables & Scrollable wrappers */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.table th {
    text-align: left;
    padding: 0.75rem 0.85rem;
    background: #f8fafc;
    color: #64748b;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 0.75rem 0.85rem;
    border-bottom: 1px solid #f1f5f9;
    color: #334155;
    vertical-align: middle;
}

.table tr.clickable {
    cursor: pointer;
    transition: background 0.15s;
}
.table tr.clickable:hover {
    background: #f8fafc;
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.8rem;
}

.timeline-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    margin-top: 5px;
    flex-shrink: 0;
}

.timeline-time {
    color: #94a3b8;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    white-space: nowrap;
}

.timeline-content {
    color: #334155;
    font-weight: 500;
}

/* ==========================================================================
   Modals & Popups
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-backdrop.open, .modal-backdrop[style*="display: flex"] {
    display: flex !important;
}

.modal-dialog, .modal-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    overflow: hidden;
    animation: modalIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    background: #f8fafc;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
    transition: color 0.15s;
}
.modal-close:hover { color: #0f172a; }

.modal-body {
    padding: 1.5rem;
    max-height: 75vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: #f8fafc;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

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

.form-label {
    display: block;
    font-size: 0.775rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: #0f172a;
    background: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    z-index: 3000;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    background: #0f172a;
    color: #ffffff;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 280px;
    max-width: 420px;
    border-left: 4px solid var(--primary);
    animation: toast-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.success { border-left-color: var(--success); }
.toast.error, .toast.danger { border-left-color: var(--fault); }
.toast.warning { border-left-color: var(--warning); }

@keyframes toast-in {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Code Display */
pre.code-block {
    background: #0f172a;
    color: #38bdf8;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    overflow-x: auto;
    max-height: 350px;
}

/* Horizontal Filter Bar with Scroll Snapping */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-pill {
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
    padding: 0.35rem 0.85rem;
    font-size: 0.775rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}
.filter-pill.active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
}
.filter-pill:hover:not(.active) {
    background: #e2e8f0;
    color: #0f172a;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Large Tablets & Small Laptops (<= 1100px) */
@media (max-width: 1100px) {
    .grid-dash {
        grid-template-columns: 1fr;
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Laptops: the full navigation plus charger actions needs ~1600px. Tighten it,
   then switch to the drawer before it can push the status badge off-screen. */
@media (max-width: 1680px) {
    .brand-badge { display: none; }
    .nav-link { padding: 0.45rem 0.55rem; }
    .nav-links-desktop .nav-link svg { display: none; }
}
@media (max-width: 1360px) {
    .nav-links-desktop, .nav-actions .nav-extra { display: none; }
    .nav-toggle-btn { display: inline-flex; }
}
/* Wide tables scroll inside their card instead of widening the page. */
@media (max-width: 1100px) {
    table.table { display: block; overflow-x: auto; white-space: nowrap; }
}
@media (max-width: 640px) {
    .nav-actions { gap: 0.4rem; }
    .charger-select-wrapper label { display: none; }
    .charger-select-wrapper select { max-width: 120px; }
    .brand-logo span:not(.brand-icon-wrapper) { display: none; }
}

/* Tablets (<= 992px): Switch to mobile navigation */
@media (max-width: 992px) {
    .nav-links-desktop {
        display: none;
    }
    .nav-toggle-btn {
        display: inline-flex;
    }
    .top-nav-inner {
        padding: 0.65rem 1rem;
    }
    .container {
        padding: 0 1rem;
        margin: 1rem auto;
    }
    .page-title {
        font-size: 1.4rem;
    }
}

/* Mobile Devices (<= 640px) */
@media (max-width: 640px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .status-hero-card {
        padding: 1.35rem;
        border-radius: var(--radius-lg);
    }
    
    .hero-metrics {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.4rem;
        padding: 0.65rem 0.4rem;
    }
    
    .hero-metric-val {
        font-size: 1.05rem;
    }
    
    .hero-metric-lbl {
        font-size: 0.6rem;
    }
    
    .control-bar {
        grid-template-columns: 1fr;
    }
    
    .electrical-phases {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.4rem;
    }
    
    .phase-cell {
        padding: 0.5rem 0.25rem;
    }
    
    .phase-val {
        font-size: 0.95rem;
    }
    
    .modal-dialog, .modal-card {
        max-width: 100%;
        border-radius: var(--radius-lg);
    }
    
    #toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
    
    .toast {
        min-width: unset;
        width: 100%;
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .page-header > div:last-child {
        display: flex;
        flex-wrap: wrap;
        width: 100%;
    }
    
    .page-header > div:last-child > .btn {
        flex: 1 1 calc(50% - 0.25rem);
    }
}

@media (max-width: 400px) {
    .hero-metrics {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    .brand-logo span {
        display: none;
    }
}

/* ==========================================================================
   Vehicle Connection Status & Battery SoC Indicator
   ========================================================================== */
.cable-plug-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: all 0.2s ease;
}

.cable-plug-indicator.plugged {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.4);
}

.cable-plug-indicator.unplugged {
    background: rgba(148, 163, 184, 0.15);
    color: #cbd5e1;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.cable-notice-bar {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.825rem;
    margin-top: 1rem;
    animation: fadeIn 0.3s ease;
}

.cable-notice-bar.connected {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.battery-soc-container {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    margin-top: 1rem;
    position: relative;
    z-index: 1;
}

.battery-soc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #94a3b8;
}

.battery-soc-value {
    font-size: 1.15rem;
    font-weight: 800;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.battery-soc-progress-track {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 9999px;
    overflow: hidden;
    position: relative;
}

.battery-soc-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
    border-radius: 9999px;
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.battery-soc-progress-fill.low {
    background: linear-gradient(90deg, #ef4444 0%, #f87171 100%);
}

.battery-soc-progress-fill.mid {
    background: linear-gradient(90deg, #f59e0b 0%, #fbbf24 100%);
}