Edit style.css

public/css/style.css

-/* Custom styles for Project Management System */
+:root {
+    --primary-color: #2c3e50;    /* น้ำเงินเข้ม */
+    --secondary-color: #34495e;  /* เทาเข้ม */
+    --accent-color: #3498db;     /* น้ำเงินสดใส */
+    --light-color: #ecf0f1;      /* เทาอ่อน */
+    --dark-color: #2c3e50;       /* น้ำเงินเข้ม */
+    --success-color: #2ecc71;    /* เขียว */
+    --danger-color: #e74c3c;     /* แดง */
+    --warning-color: #f1c40f;    /* เหลือง */
+    --info-color: #3498db;       /* น้ำเงิน */
+    --text-color: #2c3e50;       /* น้ำเงินเข้ม */
+    --border-color: #bdc3c7;     /* เทา */
+}
 
-/* Body and general styles */
 body {
-  background-color: #f8f9fa;
-  min-height: 100vh;
-  display: flex;
-  flex-direction: column;
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+    background-color: var(--light-color);
+    color: var(--text-color);
+}
+
+/* Navbar */
+.navbar {
+    background-color: var(--primary-color);
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
 }
 
-/* Header styles */
 .navbar-brand {
+    color: white !important;
     font-weight: bold;
-  font-size: 1.5rem;
 }
 
-/* Card styles */
+.nav-link {
+    color: rgba(255,255,255,0.8) !important;
+    transition: color 0.3s ease;
+}
+
+.nav-link:hover {
+    color: white !important;
+}
+
+/* Cards */
 .card {
-  border-radius: 0.5rem;
     border: none;
-  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
-  transition: all 0.3s ease;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    transition: transform 0.3s ease;
+    background-color: white;
 }
 
 .card:hover {
-  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
+    transform: translateY(-5px);
 }
 
 .card-header {
-  border-bottom: none;
-  padding: 1rem;
+    background-color: var(--primary-color);
+    color: white;
+    border-radius: 8px 8px 0 0 !important;
 }
 
-/* Button styles */
-.btn {
-  border-radius: 0.25rem;
-  padding: 0.375rem 1rem;
+/* Buttons */
+.btn-primary {
+    background-color: var(--accent-color);
+    border-color: var(--accent-color);
 }
 
-/* Form styles */
-.form-control, .form-select {
-  border-radius: 0.25rem;
-  border: 1px solid #ced4da;
-  padding: 0.5rem;
+.btn-primary:hover {
+    background-color: #2980b9;
+    border-color: #2980b9;
+}
+
+.btn-secondary {
+    background-color: var(--secondary-color);
+    border-color: var(--secondary-color);
+}
+
+.btn-secondary:hover {
+    background-color: #2c3e50;
+    border-color: #2c3e50;
+}
+
+/* Forms */
+.form-control {
+    border: 1px solid var(--border-color);
+    border-radius: 4px;
 }
 
-.form-control:focus, .form-select:focus {
-  border-color: #80bdff;
-  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
+.form-control:focus {
+    border-color: var(--accent-color);
+    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
 }
 
-/* Table styles */
+/* Tables */
 .table {
-  vertical-align: middle;
+    background-color: white;
+    border-radius: 8px;
+    overflow: hidden;
+}
+
+.table thead th {
+    background-color: var(--primary-color);
+    color: white;
+    border: none;
+}
+
+.table-hover tbody tr:hover {
+    background-color: rgba(52, 152, 219, 0.1);
+}
+
+/* Status Badges */
+.badge {
+    padding: 0.5em 0.8em;
+    font-weight: 500;
+}
+
+.badge-success {
+    background-color: var(--success-color);
+}
+
+.badge-danger {
+    background-color: var(--danger-color);
+}
+
+.badge-warning {
+    background-color: var(--warning-color);
+}
+
+.badge-info {
+    background-color: var(--info-color);
+}
+
+/* Project Cards */
+.project-card {
+    border-left: 4px solid var(--accent-color);
+}
+
+.project-card .card-header {
+    background-color: var(--secondary-color);
+}
+
+/* Task Items */
+.task-item {
+    border-left: 3px solid var(--accent-color);
+    margin-bottom: 0.5rem;
+    padding: 0.5rem;
+    background-color: white;
+    border-radius: 4px;
+}
+
+/* Search Bar */
+.search-bar {
+    background-color: white;
+    border-radius: 20px;
+    padding: 0.5rem 1rem;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+}
+
+.search-bar input {
+    border: none;
+    background: none;
+    outline: none;
+    width: 100%;
+}
+
+/* Dashboard Stats */
+.stat-card {
+    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
+    color: white;
+    border-radius: 8px;
+    padding: 1.5rem;
+}
+
+.stat-card .stat-value {
+    font-size: 2rem;
+    font-weight: bold;
+}
+
+/* Custom Scrollbar */
+::-webkit-scrollbar {
+    width: 8px;
+}
+
+::-webkit-scrollbar-track {
+    background: var(--light-color);
+}
+
+::-webkit-scrollbar-thumb {
+    background: var(--accent-color);
+    border-radius: 4px;
 }
 
-/* Footer styles */
-footer {
-  margin-top: auto;
-  padding: 1rem;
-  border-top: 1px solid #dee2e6;
+::-webkit-scrollbar-thumb:hover {
+    background: var(--primary-color);
 } 
\ No newline at end of file