/* ==========================================================================
   GENEL STİLLER VE RENK PALETİ
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #4f46e5;
    --primary-dark-color: #4338ca;
    --light-gray-color: #f8f9fa;
    --medium-gray-color: #dee2e6;
    --dark-gray-color: #6c757d;
    --text-color: #495057;
    --error-color: #dc2626;
    --success-color: #16a34a;
}

body {
    margin: 0;
    padding: 20px;
    font-family: 'Inter', sans-serif;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
    /* İSTEDİĞİN ARKA PLAN RESMİ */
    background-image: url('simge.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
}

/* Arka plan resminin üzerine yarı saydam beyaz katman */
body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9); /* Saydamlığı artırdım */
    z-index: -1;
}

/* ==========================================================================
   ANA İÇERİK KUTULARI (index.php ve liste.php için ortak)
   ========================================================================== */
.container, .content-wrapper {
    max-width: 900px;
    margin: auto;
    padding: 30px;
    border: 1px solid var(--medium-gray-color);
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
    border-top: 4px solid var(--primary-color);
}
.content-wrapper {
    max-width: 600px; /* index.php'deki kutu daha dar */
    text-align: center;
}

h1 {
    text-align: center;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 2.2em;
    margin-bottom: 20px;
}
h2 {
    text-align: center;
    color: #343a40;
}
p {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 30px;
}
hr {
    border: 0;
    height: 1px;
    background-color: var(--medium-gray-color);
    margin: 30px 0;
}

/* ==========================================================================
   BUTONLAR
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 12px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s ease-in-out;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 5px;
    text-align: center;
    text-decoration: none;
}
.btn:hover {
    background-color: var(--primary-dark-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}
.btn-secondary { background-color: var(--dark-gray-color); }
.btn-secondary:hover { background-color: #5a6268; }
.btn-success { background-color: var(--success-color); }
.btn-success:hover { background-color: #15803d; }
.button-group { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }


/* ==========================================================================
   FORM ELEMANLARI (liste.php ve index.php login/register için ortak)
   ========================================================================== */
.form-container { max-width: 400px; margin: 0 auto; }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; text-align: left; margin-bottom: 8px; font-weight: 500; color: var(--text-color); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px;
    box-sizing: border-box;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color .2s, box-shadow .2s;
    font-family: 'Inter', sans-serif;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}
.form-group textarea { height: 120px; resize: vertical; }
.checkbox-group { display: flex; align-items: center; margin-bottom: 20px; }
.checkbox-group input { width: auto; margin-right: 10px; }
.note { font-size: .9em; color: var(--dark-gray-color); text-align: left; margin-top: -10px; margin-bottom: 10px; }
.form-group.split-row { display: flex; flex-wrap: wrap; gap: 20px; }
.form-group.split-row > div { flex: 1 1 calc(50% - 10px); }

/* Dinamik Ekleme Bölümleri (İzinler, İstekler vb.) */
.request-group { margin-top: 15px; border: 1px solid var(--medium-gray-color); padding: 15px; border-radius: 6px; }
.request-item { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; margin-bottom: 10px; gap: 10px; }
.request-item select, .request-item input { margin: 0; width: auto; flex-grow: 1; }
.remove-btn { background-color: var(--error-color); color: white; border: none; border-radius: 4px; padding: 5px 10px; cursor: pointer; font-size: 14px; transition: background-color .2s; }
.remove-btn:hover { background-color: #b91c1c; }
.add-btn { background-color: var(--success-color); color: white; border: none; border-radius: 4px; padding: 8px 12px; cursor: pointer; transition: background-color .2s; }
.add-btn:hover { background-color: #15803d; }


/* ==========================================================================
   TABLOLAR (liste.php)
   ========================================================================== */
.table-responsive-wrapper { overflow-x: auto; margin-bottom: 1rem; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; background-color: #fff; }
th, td { border: 1px solid var(--medium-gray-color); padding: 12px; text-align: left; font-size: 14px; word-break: break-word; }
th { background-color: #eef2ff; color: #312e81; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; position: sticky; top: 0; z-index: 2; }
tbody tr:nth-child(even) { background-color: var(--light-gray-color); }
.editable-cell span, .color-legend span { display: inline-block; padding: 3px 8px; margin: 2px; border-radius: 4px; color: #212529; font-weight: 500; }
.editable-cell select { width: 100%; margin-bottom: 5px; }
.editable-cell.conflict { background-color: #f8d7da !important; }
.color-legend { margin-top: 20px; padding: 15px; background-color: var(--light-gray-color); border: 1px solid var(--medium-gray-color); border-radius: 8px; display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }


/* ==========================================================================
   index.php'ye ÖZGÜ STİLLER
   ========================================================================== */
.user-actions { margin-top: 25px; font-size: 1em; }
.user-actions a { color: var(--primary-color); font-weight: 500; text-decoration: none; margin: 0 10px; }
.user-actions a:hover { text-decoration: underline; }
.visitor-stats { margin-top: 40px; border-top: 1px solid #ddd; padding-top: 20px; display: flex; justify-content: space-around; flex-wrap: wrap; gap: 15px; }
.stat-item { text-align: center; flex-basis: calc(50% - 30px); }
.stat-item .count { font-size: 1.8em; font-weight: bold; color: var(--primary-color); }
.stat-item .label { font-size: 0.9em; color: #555; }


/* ==========================================================================
   MESAJ KUTULARI (Hata, Uyarı, Başarı)
   ========================================================================== */
.error-msg, .error, .warning { color: #d9534f; background-color: #f2dede; border: 1px solid #ebccd1; padding: 15px; border-radius: 4px; text-align: center; margin-top: 20px; margin-bottom: 20px;}
.warning { color: #8a6d3b; background-color: #fcf8e3; border-color: #faebcc; }
.success-msg { color: #155724; background-color: #d4edda; border: 1px solid #c3e6cb; padding: 15px; border-radius: 4px; margin-bottom: 20px; }


/* ==========================================================================
   MOBİL UYUMLULUK (RESPONSIVE)
   ========================================================================== */
@media (max-width: 768px) {
    body { padding: 10px; }
    .container, .content-wrapper { padding: 20px 15px; }
    h1 { font-size: 1.8em; }
    h2 { font-size: 1.5em; }
    .btn { width: 100%; box-sizing: border-box; padding: 15px; font-size: 1.1em; }
    th, td { font-size: 12px; padding: 8px; }
    .request-item { flex-direction: column; align-items: stretch; }
    .request-item select, .request-item input { margin: 0 0 10px 0; width: 100%; }
    .visitor-stats { flex-direction: column; align-items: center; gap: 15px; }
    .stat-item { flex-basis: 100%; }
}

/* ==========================================================================
   YAZDIRMA STİLLERİ
   ========================================================================== */
@media print {
    @page { size: A4; margin: 1.5cm; }
    body { font-size: 9pt; background: none !important; padding: 0; }
    body::before, .no-print { display: none !important; }
    .container { box-shadow: none !important; border: none !important; padding: 0 !important; margin: 0 !important; width: 100% !important; max-width: 100% !important; background: none !important; }
    .table-responsive-wrapper { overflow: visible; }
    h1 { display: none; }
    h2 { color: #000; font-size: 14pt; margin: 20px 0 10px 0; page-break-after: avoid; }
    table { page-break-inside: auto; }
    tr { page-break-inside: avoid; page-break-after: auto; }
    thead { display: table-header-group; }
    table, th, td { border: 1px solid #000 !important; font-size: 8pt; padding: 3px; word-break: break-word; white-space: normal; }
    th { background-color: #eee !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .editable-cell span { background-color: transparent !important; color: #000 !important; padding: 1px 3px; border: none !important; }
    #footer-contact { display: none; }
}