/* 
========================================================================
   PM SYSTEM PREMIUM DESIGN SYSTEM (SLATE DARK MODE)
   Author: Antigravity AI
========================================================================
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-primary: #090d16;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --bg-card: rgba(15, 23, 42, 0.65);
    
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --border-focus: rgba(99, 102, 241, 0.5);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Brand Accents */
    --accent-indigo: #6366f1;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --accent-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
    --accent-glow: rgba(99, 102, 241, 0.15);
    
    /* Semantic Colors */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-border: rgba(16, 185, 129, 0.2);
    
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --warning-border: rgba(245, 158, 11, 0.2);
    
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --danger-border: rgba(239, 68, 68, 0.2);
    
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);
    --info-border: rgba(59, 130, 246, 0.2);

    /* Layout & Shadows */
    --sidebar-width: 280px;
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 20px;
    
    --shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 16px -6px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 20px 50px -12px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Sarabun', sans-serif;
    outline: none;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    font-size: 15px;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-indigo);
}

/* Layout Container */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    z-index: 10;
    flex-shrink: 0;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.brand-logo {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    animation: rotateLogo 10s linear infinite;
}

.brand-logo i {
    color: var(--text-primary);
    font-size: 1.25rem;
}

.brand-name {
    font-size: 1.35rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.brand-subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: -2px;
    display: block;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-item {
    width: 100%;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: var(--transition-fast);
    border: 1px solid transparent;
    cursor: pointer;
}

.nav-link i {
    font-size: 1.15rem;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: inset 0 0 12px rgba(99, 102, 241, 0.05);
}

.nav-link.active i {
    color: var(--accent-indigo);
    transform: scale(1.1);
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.avatar-glow {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

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

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Top Navigation Header */
.top-header {
    height: 75px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    background-color: rgba(9, 13, 22, 0.4);
    backdrop-filter: blur(10px);
    z-index: 5;
}

.page-title-area h1 {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-title-area p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.date-badge {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.date-badge i {
    color: var(--accent-indigo);
}

/* Views Wrapper */
.views-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 2.5rem;
}

.view-section {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.view-section.active {
    display: block;
}

/* Glassmorphic Grid Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.kpi-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.kpi-card.kpi-indigo::before { background: var(--accent-indigo); }
.kpi-card.kpi-warning::before { background: var(--warning); }
.kpi-card.kpi-danger::before { background: var(--danger); }
.kpi-card.kpi-success::before { background: var(--success); }

.kpi-card.kpi-indigo:hover { box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.15); }
.kpi-card.kpi-warning:hover { box-shadow: 0 10px 30px -10px rgba(245, 158, 11, 0.15); }
.kpi-card.kpi-danger:hover { box-shadow: 0 10px 30px -10px rgba(239, 68, 68, 0.15); }
.kpi-card.kpi-success:hover { box-shadow: 0 10px 30px -10px rgba(16, 185, 129, 0.15); }

.kpi-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.kpi-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin: 0.25rem 0;
}

.kpi-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.kpi-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    transition: var(--transition-normal);
}

.kpi-indigo .kpi-icon-wrapper { background: rgba(99, 102, 241, 0.1); color: var(--accent-indigo); }
.kpi-warning .kpi-icon-wrapper { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.kpi-danger .kpi-icon-wrapper { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.kpi-success .kpi-icon-wrapper { background: rgba(16, 185, 129, 0.1); color: var(--success); }

/* Dashboard Content Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.dashboard-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-title i {
    color: var(--accent-indigo);
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Near Due List Dashboard Component */
.near-due-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    max-height: 300px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.near-due-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 1.1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.near-due-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    transform: translateX(3px);
}

.near-due-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    max-width: 70%;
}

.near-due-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.near-due-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.near-due-days {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.days-badge {
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-block;
}

.days-badge.badge-red {
    background-color: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.days-badge.badge-orange {
    background-color: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.days-badge.badge-green {
    background-color: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.near-due-date {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.empty-state i {
    font-size: 2.5rem;
    color: var(--text-tertiary);
}

/* Control & Filter Bars */
.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.search-box i {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.search-input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem 0.75rem 2.8rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.search-input:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.filter-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.select-filter {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.select-filter:focus {
    border-color: var(--accent-indigo);
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    background: var(--accent-gradient-hover);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
}

.btn-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
}

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

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-sm);
    padding: 0;
}

/* Modern Datatables */
.table-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

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

.custom-table th {
    background: rgba(15, 23, 42, 0.8);
    padding: 1.1rem 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.custom-table td {
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

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

.custom-table tr {
    transition: var(--transition-fast);
}

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

/* Row Action Buttons Container */
.actions-cell {
    display: flex;
    gap: 0.5rem;
}

/* Dynamic Badges in Table */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
}

.status-badge.status-overdue {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.status-badge.status-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.status-badge.status-safe {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

/* Modals Overlay & Box */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 6, 12, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 600px;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(10px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal-box {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.35rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: 2rem;
}

/* Premium Form Styling */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group-full {
    grid-column: span 2;
}

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

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* Readonly Input / Computed Indicators */
.form-input-calc {
    background: rgba(15, 23, 42, 0.4);
    border-color: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    font-weight: 600;
}

.calc-indicator {
    font-size: 0.7rem;
    color: var(--accent-indigo);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Keyframe Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive Rules */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .app-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1.25rem;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .brand-section {
        margin-bottom: 0;
    }
    
    .nav-menu {
        flex-direction: row;
        flex-grow: 0;
        margin: 0 1rem;
        gap: 0.25rem;
    }
    
    .sidebar-footer {
        display: none; /* Hide profile in header */
    }
    
    .main-content {
        height: calc(100vh - 80px);
    }
    
    .top-header {
        padding: 0 1.5rem;
        height: 60px;
    }
    
    .views-container {
        padding: 1.5rem;
    }
}

@media (max-width: 640px) {
    .sidebar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        width: 100%;
        justify-content: space-around;
        margin: 0;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group-full {
        grid-column: span 1;
    }
    
    .table-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        min-width: 100%;
    }
    
    .filter-group {
        width: 100%;
        flex-direction: column;
    }
    
    .select-filter, .btn {
        width: 100%;
    }
}