/* --- Genel & Değişkenler --- */
:root {
    --primary-blue: #1a73e8;
    --primary-background: #f0f2f5;
    --content-background: #ffffff;
    --border-color: #dee2e6;
    --text-primary: #1c1e21;
    --text-secondary: #606770;
    --button-green: #36a420;
    --button-red: #e41e3f;
    --font-main: 'Barlow', sans-serif;
}

html {
    font-size: 15px;
}

body {
    font-family: var(--font-main);
    margin: 0;
    background-color: var(--primary-background);
    color: var(--text-primary);
    font-size: 1rem;
}

/* --- Layout --- */
.app-container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 220px;
    background-color: var(--content-background);
    padding: 20px;
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
}

.content {
    flex-grow: 1;
    padding: 30px 40px;
    overflow-y: auto;
}

/* --- Menü (Sidebar) --- */
.sidebar h2 {
    margin-top: 0;
    font-size: 1.3rem;
}

.sidebar ul {
    list-style-type: none;
    padding: 0;
    margin-top: 30px;
}

.sidebar ul li a {
    display: block;
    padding: 12px 15px;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background-color 0.2s, color 0.2s;
}

.sidebar ul li a:hover {
    background-color: #f0f2f5;
}

.sidebar ul li a.active {
    background-color: #e8f0fe;
    color: var(--primary-blue);
}

/* --- Ana İçerik (Content) --- */
.content h1,
.content h2,
.content h3 {
    margin-top: 0;
    font-weight: 600;
}

.content h1 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.content h2 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.content h3 {
    font-size: 1.1rem;
}

.colored-text {
    color: var(--primary-blue);
}

/* --- Form Elemanları --- */
.form-group,
.form-group-inline {
    margin-bottom: 15px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #ccd0d5;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.button {
    cursor: pointer;
    padding: 10px 20px;
    border: none;
    color: white;
    margin-right: 5px;
    border-radius: 6px;
    font-weight: bold;
    font-size: 0.9rem;
    transition: opacity 0.2s;
}

.button:hover {
    opacity: 0.9;
}

.green {
    background-color: var(--button-green);
}

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

.red {
    background-color: var(--button-red);
}

/* --- Listeler (Firma, Banka) --- */
.list-container {
    margin-top: 20px;
}

.company-item,
.bank-item {
    background-color: var(--content-background);
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 6px;
}

.company-name,
.bank-info {
    font-weight: 600;
    font-size: 1rem;
}

/* --- Modal (Açılır Pencere) --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 25px 30px;
    border: none;
    width: 90%;
    max-width: 700px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
}

.close-button {
    position: absolute;
    top: 15px;
    right: 25px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close-button:hover {
    color: #333;
}

/* --- Excel Yükleme Sayfası --- */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    background-color: #fafafa;
    margin-top: 20px;
    transition: border-color 0.2s, background-color 0.2s;
}

.drop-zone:hover {
    border-color: var(--primary-blue);
    background-color: #f5f8ff;
}

#transactionTable {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

#transactionTable th,
#transactionTable td {
    border-bottom: 1px solid var(--border-color);
    padding: 12px 15px;
    text-align: left;
    font-size: 0.9rem;
}

#transactionTable th {
    background-color: #f8f9fa;
    font-weight: 600;
}

#transactionTable tr:last-child td {
    border-bottom: none;
}

/* --- Otomatik Tamamlama --- */
.autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--content-background);
    border: 1px solid var(--border-color);
    z-index: 1001;
    /* Modalın üzerinde görünmesi için */
    max-height: 200px;
    overflow-y: auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 0 0 6px 6px;
    display: none;
}

.suggestion-item {
    padding: 10px 12px;
    cursor: pointer;
    font-size: 0.9rem;
}

.suggestion-item:hover {
    background-color: #f0f2f5;
}

/* --- Bölme Modalı --- */
#split-rows-container .form-group-inline {
    align-items: flex-start;
}

/* --- Bölme Modalı Sil Butonu İyileştirmesi --- */
#split-rows-container .remove-split-row {
    background-color: transparent;
    /* Arka plan rengini kaldır */
    color: var(--button-red);
    /* 'X' yazısını kırmızı yap */
    border: 1px solid var(--border-color);
    /* Sade bir kenarlık ekle */
    min-width: 38px;
    /* Genişliği ve yüksekliği eşitlemek için */
    line-height: 1;
    /* Satır yüksekliğini ayarla */
    transition: all 0.2s ease;
    /* Geçiş efektini yumuşat */
}

#split-rows-container .remove-split-row:hover {
    background-color: var(--button-red);
    /* Fare üzerine gelince arka planı kırmızı yap */
    color: white;
    /* 'X' yazısını beyaz yap */
    border-color: var(--button-red);
    /* Kenarlık rengini de kırmızı yap */
}

/* Yeni Hesap Adı modalının, diğer modalların üzerinde görünmesini sağlar */
#accountNameModal {
    z-index: 1001;
}

/* Otomatik tamamlama listesinde klavye ile seçilen öğeyi vurgular */
.suggestion-item.suggestion-active {
    background-color: #e8f0fe;
    /* .sidebar a.active ile aynı renk */
    color: var(--primary-blue);
}

.filter-container {
    background-color: var(--content-background);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-end;
}

.filter-group {
    flex: 1 1 180px;
    /* Büyüme, küçülme ve temel genişlik */
    display: flex;
    flex-direction: column;
}

.filter-group label {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 5px;
    color: var(--text-secondary);
}

.filter-group.checkbox-group {
    flex-direction: row;
    align-items: center;
    align-self: center;
    /* Dikeyde ortalamak için */
    flex-basis: 200px;
    padding-bottom: 10px;
    /* Diğer inputlarla hizalamak için */
}

.filter-group.checkbox-group input {
    width: auto;
    margin-right: 8px;
}

.filter-group.checkbox-group label {
    margin-bottom: 0;
}

.filter-group input[type="text"],
.filter-group input[type="number"],
.filter-group input[type="date"] {
    /* Tüm filtre input'larının aynı yüksekliğe sahip olmasını sağlar */
    height: 39px;
    box-sizing: border-box;
    /* Padding ve border'ın yüksekliğe dahil edilmesini sağlar */
}

.row-count-info {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-align: right;
    padding-right: 5px;
}

/* Tablodaki daraltılmış aksiyon sütunu (+) için */
#transactionTable .col-action-narrow {
    width: 45px;
    padding: 8px;
    text-align: center;
}

/* Tutar sütununu sağa hizalamak için */
#transactionTable .col-amount {
    text-align: right;
}

.modal-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 10px;
    line-height: 1.4;
}

.upload-result {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.upload-result.success {
    color: var(--button-green);
}

.upload-result.error {
    color: var(--button-red);
}

.action-bar {
    display: flex;
    justify-content: flex-end;
    margin: 15px 0 25px 0;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 250px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-family: 'Barlow', sans-serif;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    background-color: var(--button-green);
    border-left: 5px solid #1e7e34;
}

.toast-error {
    background-color: var(--button-red);
    border-left: 5px solid #bd2130;
}

.toast-info {
    background-color: var(--primary-blue);
    border-left: 5px solid #004085;
}

/* Klavye ile seçilen satırın vurgulanması */
.focused-row {
    background-color: #e8f0fe !important; /* Açık mavi arka plan */
    
    font-weight: 600; /* Yazıyı kalınlaştır */
}

/* Ay Filtreleme Butonları */
.month-buttons-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.month-filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background-color: #fff;
    color: var(--text-secondary);
    border-radius: 20px; /* Yuvarlak hatlı butonlar */
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.month-filter-btn:hover {
    background-color: #f0f2f5;
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.month-filter-btn.active {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
    box-shadow: 0 2px 5px rgba(26, 115, 232, 0.3);
}

/* Sıralanabilir Başlıklar */
th.sortable {
    cursor: pointer;
    user-select: none; /* Metin seçimini engeller, tıklamayı kolaylaştırır */
    position: relative; /* Okların yerleşimi için ZORUNLU */
    padding-right: 20px;
    transition: background-color 0.2s;
    z-index: 1; /* Başlıkların seviyesi */
}

th.sortable:hover {
    background-color: #e2e6ea;
}

/* Sıralama Okları */
th.sortable::after {
    content: '↕';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8em;
    opacity: 0.3;
}

th.sortable.asc::after {
    content: '↑';
    opacity: 1;
    color: var(--primary-blue);
}

th.sortable.desc::after {
    content: '↓';
    opacity: 1;
    color: var(--primary-blue);
}

.focused-row td {
    position: relative; /* Katman özelliği kazandır */
    z-index: 10; /* Başlıkların (z-index: 1) önüne geçmesini sağlar */
    background-color: #e8f0fe !important;
    color: var(--text-primary);
    /* Mavi Çizgiler (Box-shadow ile içeri doğru çiziyoruz) */
    box-shadow: inset 0 2px 0 var(--primary-blue), inset 0 -2px 0 var(--primary-blue);
    border-top: none !important;
}

/* Sol Kenar Çizgisi */
.focused-row td:first-child {
    box-shadow: inset 2px 2px 0 var(--primary-blue), inset 0 -2px 0 var(--primary-blue);
}

/* Sağ Kenar Çizgisi */
.focused-row td:last-child {
    box-shadow: inset 0 2px 0 var(--primary-blue), inset -2px -2px 0 var(--primary-blue);
}

/* --- Bölme Modalı İyileştirmeleri (Yeni) --- */
.split-info-card {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.split-info-item {
    display: flex;
    flex-direction: column;
}

.split-info-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
    font-weight: 500;
}

.split-info-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.split-table-header {
    display: flex;
    padding: 0 5px 10px 5px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Sütun Genişlikleri */
.split-col-amount { flex: 0 0 150px; margin-right: 15px; }
.split-col-code { flex: 1; margin-right: 15px; }
.split-col-action { flex: 0 0 40px; text-align: center; }

.split-row {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    padding: 0 5px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.split-row input {
    height: 42px; /* Inputları biraz daha yüksek yapalım */
    font-size: 1rem;
}

/* Silme Butonu (Yuvarlak ve şık) */
.btn-icon-delete {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #ffcccc;
    background-color: #fff5f5;
    color: var(--button-red);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.1rem;
    line-height: 1;
    padding: 0;
}

.btn-icon-delete:hover {
    background-color: var(--button-red);
    color: white;
    border-color: var(--button-red);
    transform: scale(1.1);
}

.split-summary-footer {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 40px;
    background-color: #fafafa;
    padding: 15px;
    border-radius: 8px;
}

.summary-item {
    text-align: right;
}

.summary-item span:first-child {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 3px;
}

.summary-value {
    font-size: 1.3rem;
    font-weight: 800;
}

/* Hesap Planı Grup Butonları */
.account-group-btn {
    padding: 6px 14px;
    background-color: #fff;
    border: 1px solid #dce0e5;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: all 0.2s;
    min-width: 35px;
    text-align: center;
}

.account-group-btn:hover {
    background-color: #f0f2f5;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.account-group-btn.active {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
    box-shadow: 0 2px 4px rgba(26, 115, 232, 0.3);
}

/* --- Bakiye Kontrol Paneli --- */
.balance-control-panel {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-left: 5px solid var(--primary-blue);
    border-radius: 6px;
    padding: 15px 20px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.balance-input-group {
    display: flex;
    flex-direction: column;
}

.balance-input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.balance-input-group input {
    padding: 8px 10px;
    width: 140px;
    font-weight: 600;
    text-align: right;
}

.balance-display-group {
    display: flex;
    gap: 30px;
}

.balance-item {
    text-align: right;
}

.balance-item .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.balance-item .value {
    font-size: 1.1rem;
    font-weight: 700;
    color: #333;
}

.balance-item .value.debt { color: var(--button-green); }
.balance-item .value.credit { color: var(--button-red); }
.balance-item .value.final { color: var(--primary-blue); font-size: 1.25rem; }

/* Mükerrer satır vurgusu */
tr.duplicate-row td {
    background-color: #fff3cd !important; /* Açık sarı */
    transition: background-color 0.5s;
}