/* Design Tokens */
:root {
    --bg-main: #0a0d14;
    --bg-card: rgba(20, 26, 38, 0.65);
    --bg-card-hover: rgba(28, 36, 51, 0.85);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --color-success: #10b981;
    --color-success-rgb: 16, 185, 129;
    --color-warning: #f59e0b;
    --color-warning-rgb: 245, 158, 11;
    --color-danger: #ef4444;
    --color-danger-rgb: 239, 68, 68;
    
    --glow-success: 0 0 15px rgba(16, 185, 129, 0.25);
    --glow-warning: 0 0 15px rgba(245, 158, 11, 0.25);
    --glow-danger: 0 0 20px rgba(239, 68, 68, 0.35);
    
    --font-sans: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 10% 20%, rgba(20, 30, 48, 0.4) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(15, 23, 42, 0.4) 0px, transparent 50%);
    background-attachment: fixed;
}

/* App Layout */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Header & Brand styling */
.header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-icon {
    font-size: 2.2rem;
    background: linear-gradient(135deg, #6366f1, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.3));
}

.brand-text h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.status-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* System Health Card (Header) */
.system-health-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    backdrop-filter: blur(10px);
}

.health-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.health-value {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border-radius: 8px;
}

/* Global status classes */
.status-ok {
    color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
    box-shadow: var(--glow-success);
}
.status-warning {
    color: var(--color-warning);
    background: rgba(245, 158, 11, 0.1);
    box-shadow: var(--glow-warning);
}
.status-critical {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
    box-shadow: var(--glow-danger);
    animation: pulse-glow 2s infinite alternate;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.2); }
    100% { box-shadow: 0 0 25px rgba(239, 68, 68, 0.5); }
}

/* Stats grid */
.stats-grid {
    display: flex;
    gap: 15px;
}

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 18px;
    text-align: center;
    min-width: 100px;
    backdrop-filter: blur(10px);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.stat-number {
    font-size: 1.3rem;
    font-weight: 700;
}

.alert-count {
    color: var(--color-danger);
}

.last-update {
    width: 100%;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: right;
    margin-top: 5px;
}

/* Main content */
.section-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Alert banner */
.alert-banner {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 30px;
    box-shadow: var(--glow-danger);
}

.alert-banner-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.alert-banner-icon {
    font-size: 1.8rem;
    color: var(--color-danger);
}

.alert-banner-text h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.alert-banner-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.hidden {
    display: none !important;
}

/* Drives Grid & Cards */
.drives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.drive-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 22px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(15px);
}

.drive-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    transition: var(--transition);
}

.drive-card.card-ok::before { background: var(--color-success); }
.drive-card.card-warning::before { background: var(--color-warning); }
.drive-card.card-critical::before { background: var(--color-danger); }

.drive-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Drive card header */
.drive-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.drive-icon-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.drive-disk-icon {
    font-size: 1.8rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.drive-card:hover .drive-disk-icon {
    color: #6366f1;
}

.drive-dev-path {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.drive-status-badge {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 6px;
}

.drive-model {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.drive-serial {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 18px;
    display: block;
}

/* Card Info Metrics */
.drive-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.metric-value {
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.temp-warm { color: var(--color-warning); }
.temp-hot { color: var(--color-danger); }

/* Quick Status List */
.drive-quick-alerts {
    grid-column: span 2;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 8px 12px;
    margin-top: 5px;
    font-size: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.alert-item {
    display: flex;
    justify-content: space-between;
}
.alert-item.bad {
    color: var(--color-danger);
}
.alert-item.warn {
    color: var(--color-warning);
}

/* Loading/Empty State */
.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    color: var(--text-secondary);
    font-size: 1.2rem;
}
.loading-state i {
    font-size: 2rem;
    margin-bottom: 15px;
    display: block;
    color: #6366f1;
}

/* Details Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 6, 10, 0.85);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: var(--transition);
}

.modal-content {
    background: #0e121b;
    border: 1px solid var(--border-hover);
    width: 90%;
    max-width: 950px;
    height: 85vh;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modal-enter 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modal-enter {
    from { transform: scale(0.9) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

/* Modal Header */
.modal-header {
    padding: 22px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title-group {
    display: flex;
    flex-direction: column;
}

.modal-title-group h2 {
    font-size: 1.4rem;
    font-weight: 700;
}

.modal-title-group p {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.modal-badge {
    align-self: flex-start;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 5px;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* Modal Body */
.modal-body {
    padding: 25px 30px;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Quick Stats ribbon */
.modal-quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px 20px;
}

.q-stat {
    display: flex;
    flex-direction: column;
}

.q-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.q-value {
    font-weight: 600;
    font-size: 0.95rem;
}

.q-value.code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* Tabs */
.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: 20px;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    padding: 10px 5px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: #6366f1;
    border-bottom-color: #6366f1;
}

/* Tab Panels */
.tab-panels {
    flex: 1;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Charts grid */
.charts-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

@media (min-width: 768px) {
    .charts-container {
        grid-template-columns: 1fr 1fr;
    }
}

.chart-box {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.chart-box h3 {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.canvas-wrapper {
    position: relative;
    height: 250px;
    width: 100%;
}

/* Tables in panels */
.table-container {
    max-height: 45vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.15);
}

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

.data-table th, .data-table td {
    padding: 10px 15px;
    text-align: left;
}

.data-table th {
    background: #121824;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table tr {
    border-bottom: 1px solid var(--border-color);
}

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

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.data-table td.cell-code {
    font-family: var(--font-mono);
}

/* Row states */
.row-warn {
    color: var(--color-warning);
    background: rgba(245, 158, 11, 0.03);
}

.row-fail {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.03);
    font-weight: 500;
}

.badge-ok {
    color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-warn {
    color: var(--color-warning);
    background: rgba(245, 158, 11, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-fail {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Custom Scrollbar for sleek UI */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stats-grid {
        justify-content: space-between;
    }
    
    .modal-content {
        height: 95vh;
        width: 95%;
    }
    
    .modal-quick-stats {
        grid-template-columns: 1fr 1fr;
    }
}