/* style.css */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e293b;
    --success-color: #16a34a;
    --danger-color: #dc2626;
    --background-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

/* الهيدر أو شريط التنقل */
.navbar {
    background: var(--secondary-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar a {
    color: white;
    text-decoration: none;
    margin-right: 15px;
    font-weight: 500;
    transition: 0.3s;
}

.navbar a:hover {
    color: var(--primary-color);
}

/* الجداول */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    margin-top: 20px;
}

th {
    background: #f1f5f9;
    padding: 15px;
    text-align: right;
    color: var(--text-muted);
}

td {
    padding: 15px;
    border-bottom: 1px solid #e2e8f0;
}

/* النماذج (Forms) */
.form-group {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 20px auto;
}

input, textarea, select {
    width: 100%;
    padding: 12px;
    margin-top: 8px;
    margin-bottom: 20px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    box-sizing: border-box;
}

/* الأزرار */
.btn {
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    border: none;
    font-weight: 600;
    transition: 0.2s;
}

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

.btn:hover { opacity: 0.9; transform: translateY(-1px); }