/* -------------------------------------------------------------
 * PEA Brand Identity CSS System (style.css)
 * Brand Colors: PEA Purple (#832B87), Gold/Yellow (#FFD200)
 * Features: Sleek Light & Cyberpunk Dark mode, glassmorphism,
 * beautiful table, responsive components, custom widgets.
 * ------------------------------------------------------------- */

/* Brand Token System */
:root[data-theme="light"] {
    --bg-app: #f5f3f7;
    --bg-card: #ffffff;
    --bg-card-hover: #fdfbfe;
    --bg-input: #f8f6f9;
    --border-color: #e5dde7;
    --text-primary: #2d182e;
    --text-secondary: #6e5870;
    --text-muted: #9c889f;
    
    --primary: #832B87;            /* PEA Purple */
    --primary-hover: #6c2370;
    --primary-glow: rgba(131, 43, 135, 0.08);
    --primary-border: rgba(131, 43, 135, 0.2);
    --accent: #f39c12;             /* Gold/Yellow accent */
    --success: #00875a;
    --success-glow: rgba(0, 135, 90, 0.08);
    --warning: #d97706;
    --danger: #de350b;
    --danger-glow: rgba(222, 53, 11, 0.08);
    
    --card-shadow: 0 4px 20px rgba(131, 43, 135, 0.06), 0 2px 4px rgba(0,0,0,0.02);
    --glass-blur: blur(12px);
    --bg-modal: rgba(255, 255, 255, 0.95);
}

:root[data-theme="dark"] {
    --bg-app: #120713;
    --bg-card: #1d0f20;
    --bg-card-hover: #26162a;
    --bg-input: #261729;
    --border-color: rgba(131, 43, 135, 0.25);
    --text-primary: #f5edf6;
    --text-secondary: #cfaecf;
    --text-muted: #8c768c;
    
    --primary: #bf56c4;            /* Lighter purple for dark mode contrast */
    --primary-hover: #a842ac;
    --primary-glow: rgba(191, 86, 196, 0.15);
    --primary-border: rgba(191, 86, 196, 0.3);
    --accent: #ffd200;
    --success: #0df2a1;
    --success-glow: rgba(13, 242, 161, 0.12);
    --warning: #fbbf24;
    --danger: #ff6b6b;
    --danger-glow: rgba(255, 107, 107, 0.15);
    
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(191, 86, 196, 0.1);
    --glass-blur: blur(12px);
    --bg-modal: rgba(22, 10, 24, 0.96);
}

/* Global Reset & Fonts */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

body {
    font-family: 'Inter', 'Sarabun', sans-serif;
    background-color: var(--bg-app);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.app-container {
    width: 100%;
    max-width: 1650px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* PEA Corporate Header */
.pea-header {
    background: linear-gradient(135deg, #511254 0%, #832B87 60%, #b044b6 100%);
    border: none;
    box-shadow: 0 10px 25px rgba(131, 43, 135, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

/* Background lightning glow effect */
.pea-header::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 210, 0, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.pea-header h1 {
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.pea-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    font-weight: 400;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Branded Logo Image Container */
.logo-image-container {
    width: 50px;
    height: 50px;
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ffffff;
}

.pea-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sync-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

/* Branded Badges & Buttons */
.badge {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
}
.pea-badge {
    background: #ffd200;
    color: #2d182e;
    border: 1px solid #e5c400;
    box-shadow: 0 2px 6px rgba(255,210,0,0.2);
}
.badge.secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* PEA Custom Button styling */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.35rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-pea {
    background: #ffd200;
    color: #2d182e;
    box-shadow: 0 4px 12px rgba(255, 210, 0, 0.3);
}
.btn-pea:hover {
    background: #ffdd22;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 210, 0, 0.4);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: var(--border-color);
}

.btn-icon {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-icon:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: rotate(15deg);
}

/* Theme Icons Toggle */
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* KPI Grid System */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: transparent;
}
.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(131, 43, 135, 0.12);
}

/* Color indicator on KPI Cards */
#kpi-total::before { background: var(--primary); }
#kpi-avg-load::before { background: var(--success); }
#kpi-overload::before { background: var(--danger); }
#kpi-loss::before { background: var(--warning); }

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.kpi-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.kpi-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.kpi-icon.total { background: var(--primary-glow); color: var(--primary); }
.kpi-icon.avg-load { background: var(--success-glow); color: var(--success); }
.kpi-icon.overload { background: var(--danger-glow); color: var(--danger); }
.kpi-icon.loss { background: rgba(217, 119, 6, 0.08); color: var(--warning); }

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.kpi-subtext {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Analytics Layout */
.analytics-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-header h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.border-top {
    border-top: 1px solid var(--border-color);
}

/* PEA Panel branding block on left side */
.pea-panel-brand {
    padding: 2rem 1.5rem;
    background: linear-gradient(to bottom, rgba(131, 43, 135, 0.04) 0%, transparent 100%);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.pea-brand-illust {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 16px;
    margin-bottom: 1.25rem;
    box-shadow: 0 8px 24px rgba(131, 43, 135, 0.15);
    border: 3px solid #ffffff;
}
[data-theme="dark"] .pea-brand-illust {
    border-color: var(--border-color);
}

.pea-panel-brand h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.pea-panel-brand p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.chart-wrapper {
    padding: 1.25rem;
    min-height: 240px;
}

/* Search & Filters */
.filters-panel {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(131, 43, 135, 0.01);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.search-box {
    position: relative;
    width: 100%;
}
.search-box i {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}
.search-box input {
    width: 100%;
    padding: 0.85rem 1.25rem 0.85rem 3.25rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    outline: none;
}
.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.filters-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.filter-group select {
    padding: 0.7rem;
    font-family: inherit;
    font-size: 0.85rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
    cursor: pointer;
}
.filter-group select:focus {
    border-color: var(--primary);
}

/* Data Grid Table styling */
.table-responsive {
    max-height: 550px;
    overflow-y: auto;
}

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

.data-table th {
    background: var(--bg-input);
    padding: 1rem 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.data-table tbody tr {
    cursor: pointer;
}
.data-table tbody tr:hover {
    background: rgba(131, 43, 135, 0.04);
}
.data-table tbody tr:hover td {
    color: var(--text-primary);
}

/* Specific Alert styles inside table cells */
.data-table td.overload-warning {
    color: var(--danger);
    font-weight: 700;
    background: rgba(222, 53, 11, 0.04);
}
.data-table td.voltage-warning {
    color: var(--warning);
    font-weight: 700;
    background: rgba(217, 119, 6, 0.04);
}

.table-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.01);
}

/* Modal styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    background: rgba(45, 24, 46, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(45, 24, 46, 0.3);
    width: 90%;
    max-width: 680px;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

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

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.close-btn {
    background: transparent;
    border: none;
    font-size: 1.75rem;
    color: var(--text-muted);
    cursor: pointer;
}
.close-btn:hover {
    color: var(--danger);
}

.modal-body {
    padding: 1.5rem;
}

/* Form Styles for Login Modal */
.login-content {
    max-width: 420px;
}

.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.input-icon-group {
    position: relative;
    width: 100%;
}
.input-icon-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 18px;
    height: 18px;
}
.input-icon-group input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
}
.input-icon-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

.login-error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--danger);
    background: var(--danger-glow);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(222, 53, 11, 0.2);
}

/* Tabs & detail components inside modal */
.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    gap: 0.5rem;
}

.tab-btn {
    padding: 0.65rem 1.25rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 700;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
}
.tab-btn.active {
    border-bottom-color: var(--primary);
    color: var(--primary);
}

.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
}

/* Detail Grids */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.detail-group h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    border-left: 3px solid var(--primary);
    padding-left: 0.5rem;
    margin-bottom: 0.85rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}
.detail-item span {
    color: var(--text-secondary);
}

/* Phase balance visualizer */
.phase-balance-section h4 {
    font-size: 0.85rem;
    margin-bottom: 0.85rem;
    color: var(--text-secondary);
}

.phase-visualizer {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.phase-bar-group {
    display: grid;
    grid-template-columns: 110px 1fr 70px;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
}

.progress-container {
    height: 10px;
    background: var(--border-color);
    border-radius: 5px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 5px;
}
.progress-bar.phase-a { background: #9b51e0; }
.progress-bar.phase-b:not(.loss-core) { background: #2d9cdb; }
.progress-bar.phase-c { background: #f2994a; }
.progress-bar.phase-n { background: #828282; }

.phase-value {
    text-align: right;
    font-weight: 700;
    color: var(--text-primary);
}

/* Peak cards */
.peak-metrics-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.metric-mini-card {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.metric-mini-card .metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.metric-mini-card .metric-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.25rem;
}

/* Loss comparison */
.loss-layout {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 1.5rem;
}

.loss-bar-item {
    margin-bottom: 1rem;
}
.loss-bar-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.progress-bar.loss-copper { background: linear-gradient(90deg, #f2994a, #eb5757); }
.progress-bar.loss-core { background: linear-gradient(90deg, #9b51e0, #832B87); }
.progress-bar.loss-line { background: linear-gradient(90deg, #27ae60, #219653); }

.loss-summary-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.stat-box {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
}
.stat-box .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.stat-box .stat-val {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0.25rem 0;
}
.stat-box .stat-sub {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* Error alerts */
.error-alert-box {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--danger-glow);
    border: 1px solid rgba(222, 53, 11, 0.2);
    color: var(--danger);
    border-radius: 12px;
    display: flex;
    gap: 0.75rem;
}
.error-alert-box i {
    flex-shrink: 0;
}
.error-alert-box h5 {
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.error-alert-box p {
    font-size: 0.85rem;
}

/* Overlay and loading spinner */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    background: rgba(45, 24, 46, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner-box {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-top: 5px solid #ffd200;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem auto;
}

.spinner-box p {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.35rem;
}

.spinner-box .sub {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Row fade-in animation */
tr.fade-in {
    animation: trFade 0.25s ease-out forwards;
}

@keyframes trFade {
    from { opacity: 0; transform: translateY(3px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive breakdowns */
@media (max-width: 1250px) {
    .analytics-layout {
        grid-template-columns: 1fr;
    }
    .charts-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .pea-panel-brand {
        grid-column: span 2;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        text-align: left;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    .pea-brand-illust {
        margin-bottom: 0;
    }
}

@media (max-width: 992px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .charts-container {
        grid-template-columns: 1fr;
    }
    .pea-panel-brand {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .filters-row {
        grid-template-columns: 1fr 1fr;
    }
    .pea-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
        padding: 1.5rem;
    }
    .sync-status {
        align-items: flex-start;
    }
    .header-actions {
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    .filters-row {
        grid-template-columns: 1fr;
    }
    .phase-bar-group {
        grid-template-columns: 90px 1fr 50px;
    }
}

/* Utility Classes */
.hide {
    display: none !important;
}

/* Update notification banner */
.update-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 10px 30px rgba(131, 43, 135, 0.2);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1000;
    max-width: 450px;
    animation: slideInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.update-notification .icon-box {
    background: var(--primary-glow);
    color: var(--primary);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--primary-border);
}

.update-notification .text-box {
    flex-grow: 1;
}

.update-notification h5 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
}

.update-notification p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.update-notification .btn-update {
    background: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.5rem 0.85rem;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s ease;
}

.update-notification .btn-update:hover {
    background: var(--primary-hover);
}

.update-notification .close-toast {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.2rem;
}

.update-notification .close-toast:hover {
    color: var(--text-primary);
}