:root {
    /* Theme Colors - Formal & Solemn (Monochrome & Deep Navy) */
    --color-white: #ffffff;
    --color-bg-light: #f8f9fa; /* Very subtle gray for main background */
    --color-navy: #111827; /* Deep almost black gray/navy */
    --color-navy-light: #1f2937;
    --color-primary: #374151; /* Dark gray for primary actions instead of bright red */
    --color-primary-hover: #111827;
    --color-gray: #6b7280;
    --color-gray-light: #e5e7eb;
    --color-text-main: #1f2937;
    --color-text-muted: #6b7280;
    
    --color-success: #059669;
    --color-warning: #d97706;
    --color-danger: #dc2626;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    
    --radius: 4px; /* Sharper corners for formal look */
    --transition: all 0.2s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Bai Jamjuree', sans-serif;
}

body {
    background-color: var(--color-bg-light);
    color: var(--color-text-main);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--color-navy);
    font-weight: 600;
}

.subtitle {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Layout */
.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar (Navy Blue Dominant) */
.sidebar {
    width: 260px;
    background-color: var(--color-navy);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 10;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
}

.logo i {
    color: var(--color-white);
    font-size: 1.5rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
}

.nav-item.active {
    border-left: 3px solid var(--color-white);
}

.nav-item i {
    width: 20px;
    text-align: center;
    color: var(--color-gray);
}
.nav-item.active i {
    color: var(--color-white);
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-navy-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.6);
}

/* Main Content (White Dominant) */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

/* Topbar */
.topbar {
    background-color: var(--color-white);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    z-index: 5;
}

.topbar-search {
    position: relative;
    width: 300px;
}

.topbar-search i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray);
}

.topbar-search input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border: 1px solid var(--color-gray-light);
    border-radius: 20px;
    outline: none;
    transition: var(--transition);
}

.topbar-search input:focus {
    border-color: var(--color-navy);
}

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

/* Buttons */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 1px solid var(--color-primary);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

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

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-text-main);
    border: 1px solid var(--color-gray-light);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-gray);
}

.btn-danger {
    background-color: var(--color-danger);
    color: var(--color-white);
    border: 1px solid var(--color-danger);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-danger:hover {
    background-color: #b91c1c;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--color-gray);
    font-size: 1.25rem;
    cursor: pointer;
    position: relative;
    padding: 0.5rem;
    transition: var(--transition);
}

.btn-icon:hover {
    color: var(--color-navy);
}

.badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--color-danger);
    color: var(--color-white);
    font-size: 0.6rem;
    font-weight: 700;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dashboard Area */
.dashboard {
    padding: 2rem 2.5rem;
    max-width: 1600px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 2.5rem;
}

.page-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.page-header .subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background-color: var(--color-white);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-gray-light);
    border-top: 4px solid var(--color-navy); /* Base border top */
}

.kpi-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-gray-light);
}

.kpi-icon.blue { color: var(--color-navy); }
.kpi-icon.red { color: var(--color-danger); }
.kpi-icon.gray { color: var(--color-gray); }

.kpi-details h3 {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.kpi-value {
    font-size: 1.8rem; /* Make it slightly larger */
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0; /* Remove margin since gap handles it */
}

.kpi-title {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-trend {
    font-size: 0.75rem;
    font-weight: 500;
}

.kpi-trend.positive { color: var(--color-success); }
.kpi-trend.negative { color: var(--color-danger); }
.kpi-trend.warning { color: var(--color-warning); }

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.card {
    background-color: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-light);
    display: flex;
    flex-direction: column;
}

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

.card-header h2 {
    font-size: 1.1rem;
}

.card-body {
    padding: 1.5rem;
    flex: 1;
}

/* Status List */
.status-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.status-item {
    display: flex;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-gray-light);
}

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

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-top: 6px;
}

.status-indicator.success { background-color: var(--color-success); }
.status-indicator.pending { background-color: var(--color-warning); }
.status-indicator.error { background-color: var(--color-danger); }

.status-content h4 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.status-content p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th, .data-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-light);
}

.data-table th {
    background-color: var(--color-bg-light);
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
    background-color: rgba(14, 30, 51, 0.02);
}

.data-table td {
    font-size: 0.9rem;
}

.badge-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.badge-status.success {
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.badge-status.pending {
    background-color: rgba(217, 119, 6, 0.1);
    color: var(--color-warning);
    border: 1px solid rgba(217, 119, 6, 0.2);
}

.badge-status.error {
    background-color: rgba(220, 38, 38, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(14, 30, 51, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

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

.modal {
    background-color: var(--color-white);
    width: 500px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

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

.modal-body {
    padding: 1.5rem;
}

.info-alert {
    background-color: rgba(14, 30, 51, 0.05);
    border-left: 4px solid var(--color-navy);
    padding: 1rem;
    border-radius: 4px;
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    color: var(--color-navy);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text-main);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius);
    outline: none;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--color-navy);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-red);
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: normal;
}

.action-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.process-status {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: var(--color-bg-light);
    border-radius: var(--radius);
    font-size: 0.85rem;
    border-left: 3px solid var(--color-red);
}

/* AI Insights & BI Elements */
.insight-box {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    align-items: flex-start;
}
.insight-box.positive { background-color: rgba(16, 185, 129, 0.1); border-left: 3px solid var(--color-success); }
.insight-box.attention { background-color: rgba(245, 158, 11, 0.1); border-left: 3px solid var(--color-warning); }
.insight-box.critical { background-color: rgba(239, 68, 68, 0.1); border-left: 3px solid var(--color-danger); }

.insight-box i { font-size: 1.2rem; margin-top: 0.15rem; }
.insight-box.positive i { color: var(--color-success); }
.insight-box.attention i { color: var(--color-warning); }
.insight-box.critical i { color: var(--color-danger); }

.sla-progress-bg {
    width: 100%;
    height: 12px;
    background-color: var(--color-gray-light);
    border-radius: 6px;
    overflow: hidden;
    margin: 0.5rem 0;
}
.sla-progress-fill {
    height: 100%;
    background-color: var(--color-success);
    border-radius: 6px;
}

.pulse-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.pulse-item {
    background-color: var(--color-bg-main);
    padding: 1rem;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
}
.pulse-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
}
.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.pulse-dot.green { background-color: var(--color-success); }
.pulse-dot.yellow { background-color: var(--color-warning); }
.pulse-dot.red { background-color: var(--color-danger); }
.pulse-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .kpi-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

@media (max-width: 768px) {
    .sidebar {
        position: absolute;
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
}

/* Anomaly Detection */
.anomaly-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.anomaly-item {
    padding: 1rem;
    border-radius: var(--radius);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    border: 1px solid var(--color-gray-light);
}

.anomaly-item.danger {
    background-color: rgba(220, 38, 38, 0.05);
    border-left: 4px solid var(--color-danger);
}

.anomaly-item.warning {
    background-color: rgba(217, 119, 6, 0.05);
    border-left: 4px solid var(--color-warning);
}

.anomaly-item.info {
    background-color: rgba(5, 150, 105, 0.05);
    border-left: 4px solid var(--color-success);
}

.anomaly-item i {
    font-size: 1.25rem;
    margin-top: 2px;
}

.anomaly-item.danger i { color: var(--color-danger); }
.anomaly-item.warning i { color: var(--color-warning); }
.anomaly-item.info i { color: var(--color-success); }

.anomaly-content h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--color-navy);
}

.anomaly-content p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Status Filter Controls */
.status-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    width: 100%;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--color-gray-light);
}

.status-checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--color-text-main);
    cursor: pointer;
}

.status-checkbox-item input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* CEC Tracking */
.cec-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--color-gray-light);
    background-color: var(--color-bg-light);
    color: var(--color-text-main);
    cursor: pointer;
    margin-right: 0.25rem;
    transition: var(--transition);
}

.cec-btn.active {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-navy);
    border-color: #10b981;
}

.cec-btn:hover:not(.active) {
    background-color: var(--color-gray-light);
}

.cec-note-input {
    width: 100%;
    padding: 0.4rem;
    font-size: 0.8rem;
    border: 1px solid var(--color-gray-light);
    border-radius: 4px;
    outline: none;
}

.cec-note-input:focus {
    border-color: var(--color-primary);
}

/* Login */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.login-card {
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 420px;
    max-width: 90%;
}

@keyframes blink-point {
    0%, 100% { opacity: 1; transform: translateX(0); }
    50% { opacity: 0.2; transform: translateX(5px); }
}

.blink-arrow {
    animation: blink-point 1s infinite ease-in-out;
}

/* Logo Sparkle Animation */
@keyframes sparkle {
    0%, 100% {
        filter: drop-shadow(0 0 5px rgba(239, 68, 68, 0.4)) brightness(1);
        transform: scale(1);
    }
    50% {
        filter: drop-shadow(0 0 25px rgba(239, 68, 68, 0.9)) brightness(1.15);
        transform: scale(1.05);
    }
}

.sparkle-logo {
    animation: sparkle 2.5s infinite ease-in-out;
    transition: all 0.3s ease;
}