/* ==========================================================================
   Google Play Region Monitor - Infrastructure Dashboard CSS
   Focused UI/UX: Lightweight Pure Text Status Summary, Compact Spacing, Clean Typography
   ========================================================================== */

:root {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-color: #e2e8f0;
    --border-light: #cbd5e1;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --accent-blue: #2563eb;
    --accent-blue-bg: #eff6ff;
    --accent-green: #059669;
    --accent-green-bg: #ecfdf5;
    --accent-amber: #d97706;
    --accent-amber-bg: #fffbeb;
    --accent-red: #dc2626;
    --accent-red-bg: #fef2f2;
    --accent-purple: #7c3aed;
    --accent-purple-bg: #f5f3ff;
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Base Resets */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
}

/* App Layout */
.app-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header Navbar - 64px Height Streamlined */
.app-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1.25rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

@media (max-width: 640px) {
    .header-container {
        padding: 0 0.85rem;
        height: 60px;
    }
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-name {
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
    white-space: nowrap;
}

.mobile-br {
    display: none;
}

@media (max-width: 480px) {
    .mobile-br {
        display: block;
    }
    .brand-name {
        font-size: 0.85rem;
        white-space: normal;
    }
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.desktop-only {
    display: flex;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
}

/* SaaS Segmented Navigation Control Bar */
.nav-segment {
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 3px;
    border-radius: var(--radius-md);
    gap: 3px;
}

.segment-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.95rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.15s ease;
    cursor: pointer;
}

.segment-item:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.7);
}

.segment-item.active {
    background-color: #ffffff;
    color: var(--accent-blue);
    box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
}

.segment-item svg {
    color: var(--text-dim);
    transition: color 0.15s ease;
}

.segment-item.active svg {
    color: var(--accent-blue);
}

/* Mobile Toggle Hamburger Button */
.mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Mobile Drawer Overlay & Sidebar */
.mobile-drawer {
    position: fixed;
    top: 60px;
    left: 0;
    right: auto;
    width: 240px;
    bottom: 0;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 100;
    padding: 1.25rem 1rem;
    box-shadow: 5px 0 25px rgba(0,0,0,0.08);
}

.mobile-drawer.open {
    transform: translateX(0);
}

.drawer-overlay {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 99;
}

.drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.15s ease;
}

.mobile-nav-item:hover, .mobile-nav-item.active {
    background-color: var(--accent-blue-bg);
    color: var(--accent-blue);
}

/* Main Content Area */
.main-content {
    flex: 1;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 1.25rem;
}

@media (max-width: 640px) {
    .main-content {
        padding: 1rem 0.75rem;
    }
}

.dashboard-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 0.75rem;
}

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

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

@media (max-width: 640px) {
    .page-title {
        font-size: 1.35rem;
    }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Grid Layouts */
.grid-2-cols {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .grid-2-cols {
        grid-template-columns: 1fr;
    }
}

/* Panel Card Components */
.panel-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.02);
}

.panel-card-header {
    padding: 1rem 1.25rem;
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
}

.panel-card-body {
    padding: 1.25rem;
}

.panel-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Detail Lists */
.detail-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.detail-value {
    color: var(--text-primary);
    font-size: 0.875rem;
    text-align: right;
}

/* Badges System */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

.badge-success { background: var(--accent-green-bg); color: var(--accent-green); border: 1px solid rgba(5, 150, 105, 0.2); }
.badge-warning { background: var(--accent-amber-bg); color: var(--accent-amber); border: 1px solid rgba(217, 119, 6, 0.2); }
.badge-danger { background: var(--accent-red-bg); color: var(--accent-red); border: 1px solid rgba(220, 38, 38, 0.2); }
.badge-secondary { background: #f1f5f9; color: var(--text-dim); border: 1px solid var(--border-color); }
.badge-region { background: var(--accent-blue-bg); color: var(--accent-blue); border: 1px solid rgba(37, 99, 235, 0.2); font-family: var(--font-mono); }

/* Form Layout & Field Controls */
.form-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-hint {
    font-size: 0.78rem;
    color: var(--text-dim);
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.max-w-2xl { max-width: 672px; }
.flex-1 { flex: 1; }
.w-32 { width: 8rem; }

/* ==========================================================================
   Dashboard Status Summary (Pure Text & Icon Bar - PURE Transparent Background)
   ========================================================================== */
.status-summary {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1.5rem;
    padding: 0.4rem 0.25rem;
    min-height: 40px;
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.status-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    white-space: nowrap;
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.status-item span,
.status-item svg {
    background: transparent !important;
    background-color: transparent !important;
}

.status-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.status-label {
    font-size: 0.95rem; /* ~15-16px */
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}

.status-value {
    font-size: 1.05rem; /* ~17-18px */
    font-weight: 700;
    margin-left: 0.15rem;
}

/* Unique Status Item Accent Colors */
.status-item-success .status-icon,
.status-item-success .status-value {
    color: var(--accent-green) !important;
}

.status-item-danger .status-icon,
.status-item-danger .status-value {
    color: var(--accent-red) !important;
}

.status-item-warning .status-icon,
.status-item-warning .status-value {
    color: var(--accent-amber) !important;
}

.status-item-offline .status-icon,
.status-item-offline .status-value {
    color: var(--text-dim) !important;
}

.status-divider {
    width: 1px;
    height: 18px;
    background-color: var(--border-color);
    opacity: 0.6;
    flex-shrink: 0;
}

/* Mobile Responsive Layout (2x2 Text Summary without cards) */
@media (max-width: 640px) {
    .status-summary {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.65rem 1rem;
        padding: 0.25rem;
    }

    .status-divider {
        display: none;
    }
}

.text-green { color: var(--accent-green) !important; }
.text-red { color: var(--accent-red) !important; }
.text-amber { color: var(--accent-amber) !important; }

/* Matrix Section (Main Visual Center) */
.matrix-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.02);
}

.matrix-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.matrix-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Simplified Legend */
.matrix-legend {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.legend-item .dot {
    width: 9px;
    height: 9px;
    border-radius: 2px;
}

.legend-green { color: var(--accent-green); }
.legend-green .dot { background-color: var(--accent-green); }

.legend-red { color: var(--accent-red); }
.legend-red .dot { background-color: var(--accent-red); }

.legend-gray { color: var(--text-dim); }
.legend-gray .dot { background-color: var(--text-muted); }

.matrix-container {
    width: 100%;
    min-height: 100px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
}

@media (max-width: 640px) {
    .matrix-container {
        min-height: 120px;
        padding: 0.85rem;
    }
}

/* Toolbar Controls Styling */
.toolbar-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    min-width: 220px;
}

@media (max-width: 640px) {
    .search-box {
        width: 100%;
        min-width: 100%;
    }
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.form-input, .form-select {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s ease;
}

.search-box .form-input {
    padding-left: 2.25rem;
    width: 100%;
}

.form-input:focus, .form-select:focus {
    border-color: var(--accent-blue);
    background-color: #ffffff;
}

.form-select {
    cursor: pointer;
}

/* Table Panel & Refined Table Cell Styling */
.table-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.02);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.data-table th {
    background-color: var(--bg-main);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background-color: var(--bg-card-hover);
}

.node-name-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.15s ease;
}

.node-name-link:hover {
    color: var(--accent-blue);
}

.host-code {
    font-family: var(--font-mono);
    color: #2563eb;
    background: #eff6ff;
    padding: 0.2rem 0.45rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
}

.time-cell {
    color: var(--text-dim);
    font-size: 0.82rem;
    font-family: var(--font-mono);
}

/* Status Indicators */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-online { background: var(--accent-green-bg); color: var(--accent-green); }
.status-online .status-dot { background: var(--accent-green); }

.status-warning { background: var(--accent-amber-bg); color: var(--accent-amber); }
.status-warning .status-dot { background: var(--accent-amber); }

.status-offline { background: #f1f5f9; color: var(--text-dim); }
.status-offline .status-dot { background: var(--text-muted); }

/* Region Badges */
.region-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    min-width: 44px;
}

.badge-success-region {
    background-color: var(--accent-green-bg);
    color: var(--accent-green);
    border: 1px solid rgba(5, 150, 105, 0.3);
}

.badge-danger-region {
    background-color: var(--accent-red-bg);
    color: var(--accent-red);
    border: 1px solid rgba(220, 38, 38, 0.3);
}

.badge-offline {
    background-color: #f1f5f9;
    color: var(--text-dim);
    border: 1px solid var(--border-color);
}

.badge-agent {
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-agent.running { background: var(--accent-green-bg); color: var(--accent-green); }
.badge-agent.stopped { background: var(--accent-amber-bg); color: var(--accent-amber); }
.badge-agent.not-installed { background: #f1f5f9; color: var(--text-dim); }
.badge-agent.error { background: var(--accent-red-bg); color: var(--accent-red); }

/* Table Action Buttons Layout Fix */
.action-buttons {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.4rem;
}

.inline-form {
    display: inline-block;
    margin: 0;
    padding: 0;
}

.btn-action {
    color: var(--accent-blue);
    background: var(--accent-blue-bg);
    border: 1px solid rgba(37, 99, 235, 0.2);
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.btn-action-danger {
    color: var(--accent-red);
    background: var(--accent-red-bg);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.btn-action-danger:hover {
    background: var(--accent-red);
    color: #ffffff;
}

/* Pagination & Table Footer */
.table-footer {
    padding: 0.85rem 1.25rem;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-page {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.35rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    min-height: 34px;
    display: inline-flex;
    align-items: center;
}

.btn-page:hover:not(:disabled) {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.btn-page:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-page.active {
    background: var(--accent-blue);
    color: #fff;
    border-color: var(--accent-blue);
}

/* General Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
    min-height: 40px;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
}

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

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
}

/* Streamlined Footer (48px Height, 12px Font) */
.app-footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card);
    height: 48px;
    display: flex;
    align-items: center;
    margin-top: 2rem;
}

.footer-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1.25rem;
    width: 100%;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-dim);
}