/* Custom Variables for consistency */
:root {
    --primary-color: #4f46e5; /* Indigo */
    --primary-hover: #4338ca;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

body {
    font-family: 'Inter', 'Mukta', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.5;
}

/* --- Tables (Professional UI) --- */
.table-area {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background: white;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th {
    background-color: #f3f4f6;
    color: var(--text-main);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.025em;
    padding: 12px 16px;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 12px 16px;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
}

tr:hover td {
    background-color: #f9fafb;
    transition: background 0.2s;
}

/* --- Buttons (Modern Design) --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-danger { background-color: var(--danger-color); color: white; }
.btn-success { background-color: var(--success-color); color: white; }

/* --- Forms (Clean & Focused) --- */
.form {
    background: white;
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-main);
    font-size: 0.9rem;
}

.form-input input, 
.form-input select, 
.form-input textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background-color: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-size: 0.95rem;
}

.form-input input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* --- Layout Components --- */
.row-con {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.shadow_1 {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* --- Utility --- */
.text-right { text-align: right !important; }
.text-info { color: var(--primary-color); }
.text-success { color: var(--success-color); }

/* --- Responsive (Mobile Optimization) --- */
@media screen and (max-width: 768px) {
    .form-group.md, .form-group.sm {
        width: 100% !important;
    }
    
    .table-area {
        overflow-x: auto;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 8px;
    }
}