:root {
    --bg-app: #f4f6f9;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0891b2;
    --radius-sm: 8px;
    --radius-md: 12px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

body {
    background-color: var(--bg-app);
    font-family: 'IBM Plex Sans Thai', 'Sarabun', sans-serif;
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

/* =========================================
   OVERRIDE ช่องว่างจากไฟล์ CSS เดิม 
   ========================================= */
.main-content {
    padding-top: 1rem !important; /* ลบระยะด้านบนที่มาจาก CSS เดิม */
    padding-left: 1.5rem !important; /* ดึงให้ชิดซ้าย */
    padding-right: 1.5rem !important; /* ดึงให้ชิดขวา */
    padding-bottom: 2rem !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important; /* บังคับให้กว้างเต็มจอ 100% */
}

/* Page Layout */
.ent-container { 
    max-width: 100% !important; 
    margin: 0 !important; /* ลบการจัดกึ่งกลางที่ทำให้เกิดขอบว่าง */
    padding: 0 !important; /* ให้ main-content เป็นตัวจัดการ padding แทน */
    display: flex; 
    flex-direction: column; 
    gap: 1.25rem; 
}
.ent-row { display: flex; gap: 1.25rem; align-items: stretch; }
.ent-col-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1.25rem; }
.ent-col-side { width: 320px; flex-shrink: 0; display: flex; flex-direction: column; gap: 1.25rem; }

/* Header Strip */
.ent-header { 
    display: flex; justify-content: space-between; align-items: center; 
    background: transparent; padding: 0 0 0.5rem 0;
    border-bottom: 1px solid var(--border); flex-wrap: wrap; gap: 16px;
    margin-top: 0 !important; /* เคลียร์ช่องว่างบน Header */
}
.ent-greeting h1 { font-size: 1.35rem; font-weight: 700; margin: 0 0 4px; color: var(--text-main); }
.ent-greeting p { font-size: 0.85rem; color: var(--text-muted); margin: 0; display: flex; align-items: center; gap: 8px; }
.ent-greeting p i { font-size: 0.75rem; }
.ent-actions { display: flex; gap: 12px; }

/* Buttons */
.ent-btn { 
    display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; 
    font-size: 0.85rem; font-weight: 600; border-radius: var(--radius-sm); 
    text-decoration: none; transition: all 0.2s; border: 1px solid transparent; cursor: pointer;
}
.ent-btn-primary { background: var(--primary); color: #fff; }
.ent-btn-primary:hover { background: var(--primary-hover); color: #fff; }
.ent-btn-outline { background: #fff; border-color: var(--border); color: var(--text-main); }
.ent-btn-outline:hover { background: #f8fafc; border-color: var(--border-hover); color: var(--text-main); }

/* KPI Cards (Top Row) */
.ent-kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.ent-kpi-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md);
    padding: 16px 20px; display: flex; flex-direction: column; gap: 6px; position: relative; overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.ent-kpi-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; }
.ent-kpi-card.kpi-total::before { background: var(--text-main); }
.ent-kpi-card.kpi-pending::before { background: var(--warning); }
.ent-kpi-card.kpi-progress::before { background: var(--info); }
.ent-kpi-card.kpi-completed::before { background: var(--success); }

.ent-kpi-label { font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.ent-kpi-value { font-size: 1.8rem; font-weight: 800; color: var(--text-main); line-height: 1; margin: 4px 0; }
.ent-kpi-desc { font-size: 0.75rem; color: var(--text-muted); }

/* Cards / Panels */
.ent-panel { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow: hidden; }
.ent-panel-head { padding: 14px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; background: transparent; }
.ent-panel-title { font-size: 0.95rem; font-weight: 700; margin: 0; color: var(--text-main); display: flex; align-items: center; gap: 8px; }
.ent-panel-body { padding: 20px; }
.ent-panel-body.no-pad { padding: 0; }

/* Shortcuts Grid */
.ent-shortcut-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.ent-shortcut { 
    display: flex; align-items: flex-start; gap: 12px; padding: 16px; border: 1px solid var(--border); 
    border-radius: var(--radius-md); text-decoration: none; transition: all 0.2s; background: #fff;
}
.ent-shortcut:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); transform: translateY(-1px); background: #f8fafc; }
.ent-shortcut.disabled { opacity: 0.6; cursor: not-allowed; pointer-events: none; }
.sc-icon { width: 36px; height: 36px; flex-shrink:0; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.sc-info h4 { margin: 0 0 4px; font-size: 0.9rem; font-weight: 700; color: var(--text-main); }
.sc-info p { margin: 0; font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; }

/* Colors for Shortcuts */
.shortcut-primary .sc-icon { background: #eff6ff; color: var(--primary); }
.shortcut-default .sc-icon { background: #f1f5f9; color: var(--text-muted); }
.shortcut-success .sc-icon { background: #f0fdf4; color: var(--success); }
.shortcut-info .sc-icon { background: #ecfeff; color: var(--info); }
.shortcut-dark .sc-icon { background: #f8fafc; color: #334155; }

/* Enterprise Table */
.ent-table-wrap { overflow-x: auto; }
.ent-table { width: 100%; border-collapse: collapse; text-align: left; min-width: 600px; }
.ent-table th, .ent-table td { padding: 12px 20px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.ent-table th { font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; background: #f8fafc; }
.ent-table td { font-size: 0.85rem; color: var(--text-main); font-weight: 500; }
.ent-table tbody tr:hover { background: #f1f5f9; }
.ent-table tbody tr:last-child td { border-bottom: none; }

/* Status Badges */
.status-badge { display: inline-flex; padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 700; border: 1px solid transparent; }
.status-pending { background: #fffbeb; color: #b45309; border-color: #fde68a; }
.status-progress { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
.status-completed { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
.status-rejected { background: #fef2f2; color: #b91c1c; border-color: #fecaca; }
.status-canceled { background: #f8fafc; color: #475569; border-color: #e2e8f0; }

/* Sidebar Elements */
.ent-alert { display: flex; gap: 12px; padding: 14px; background: #fffbeb; border-left: 4px solid var(--warning); border-radius: var(--radius-sm); margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.ent-alert i { color: var(--warning); margin-top: 2px; }
.ent-alert p { margin: 0; font-size: 0.8rem; color: #92400e; line-height: 1.5; }

.ent-stat-list { display: flex; flex-direction: column; }
.ent-stat-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border); }
.ent-stat-item:last-child { border-bottom: none; }
.ent-stat-item .label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.ent-stat-item .value { font-size: 0.95rem; font-weight: 700; color: var(--text-main); }

/* Responsive */
@media (max-width: 1024px) {
    .ent-row { flex-direction: column; }
    .ent-col-side { width: 100%; }
    .ent-kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .ent-kpi-grid { grid-template-columns: 1fr; }
    .ent-header { flex-direction: column; align-items: flex-start; }
    .main-content { padding: 1rem !important; }
}