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

:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --bg: #F3F4F6;
    --card: #FFFFFF;
    --text: #1F2937;
    --border: #E5E7EB;
    --danger: #EF4444;
    --warning: #F59E0B;
    --success: #10B981;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

h1, h2, h3 { color: var(--text); }

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover { background-color: var(--primary-hover); }
.btn-back { background-color: #6B7280; margin-bottom: 20px;}
.btn-back:hover { background-color: #4B5563; }

/* Tablolar */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background-color: #F9FAFB;
    font-weight: 600;
}

tr:hover { background-color: #F9FAFB; cursor: pointer; }

/* Kartlar */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    border-left: 5px solid var(--primary);
}

.stat-card h3 { margin-top: 0; margin-bottom: 15px; border-bottom: 1px solid var(--border); padding-bottom: 10px;}
.stat-card p { margin: 5px 0; font-size: 15px;}
.badge-d { color: var(--success); font-weight: bold;}
.badge-y { color: var(--danger); font-weight: bold;}
.badge-b { color: var(--warning); font-weight: bold;}
.badge-n { color: var(--primary); font-weight: bold; font-size: 18px;}

/* Form Elemanları */
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 600;}
input[type="text"], input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    box-sizing: border-box;
}

.subject-section {
    background: var(--card);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.flex-inputs { display: flex; gap: 15px; margin-bottom: 20px;}
.flex-inputs > div { flex: 1; }

.dynamic-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    background: #F9FAFB;
    padding: 10px;
    border-radius: 6px;
    align-items: center;
}
.dynamic-row input { flex: 1; }
.dynamic-row .s-no { width: 80px; flex: none;}
.tag-yanlis { background: var(--danger); color: white; padding: 2px 8px; border-radius: 4px; font-size: 12px;}
.tag-bos { background: var(--warning); color: white; padding: 2px 8px; border-radius: 4px; font-size: 12px;}