:root {
    /* Koyu Tema (dark) */
    --primary-color: #7b62d3;
    --primary-color-hover: #5d4a9f;
    --secondary-color: #f7b84b; /* Altın sarısı vurgu */
    --bg-primary: #1e1e2d;
    --bg-secondary: #252538;
    --bg-tertiary: #30304a;
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b0;
    --input-bg-color: #1e1e2d;
    --input-text-color: #e0e0e0;
    --white-color: #ffffff;
    --success-color: #55c57a;
    --danger-color: #e74c3c;
    --link-color: #87cefa;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --transition-speed: 0.3s;
    --border-radius: 8px;
    --font-family: 'Inter', sans-serif;
    --info-color: #00bcd4; /* Mavi */
    --info-color-hover: #0097a7;
    --secondary-color: #f7b84b; /* Sarı */
    --secondary-color-hover: #e0a800;
    --success-color: #55c57a;
    --success-color-hover: #45a065;
    --danger-color: #e74c3c;
    --danger-color-hover: #c0392b;
    --disabled-color: #6c757d;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --border-radius-xl: 1rem;

    /* Transfer Sayfası Özel Renkler */
    --card-bg-color: #2a2a4a;
    --highlight-bg-color: #4a4a6a;
    --highlight-text-color: #ffffff;
    --badge-voice: #00bcd4;
    --badge-video: #f44336;
    --badge-success: #4caf50;
    --badge-danger: #f44336;
    --fee-color: #f8b500;
    --watermark-color: rgba(255, 255, 255, 0.03);
}

/* Açık Tema Değişkenleri */
html[data-layout-mode="light"] {
    --primary-color: #7b62d3;
    --primary-color-hover: #5d4a9f;
    --secondary-color: #f7b84b;
    --bg-primary: #f8f8f8;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f0f0;
    --border-color: #e0e0e0;
    --text-primary: #333333;
    --text-secondary: #6c757d;
    --input-bg-color: #f5f5f5;
    --input-text-color: #333333;
    --white-color: #ffffff;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --link-color: #7b62d3;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    
    /* Transfer Sayfası Özel Renkler */
    --card-bg-color: #ffffff;
    --highlight-bg-color: #f0f0f0;
    --highlight-text-color: #333333;
    --badge-voice: #00bcd4;
    --badge-video: #f44336;
    --badge-success: #4caf50;
    --badge-danger: #f44336;
    --fee-color: #f7b84b;
    --watermark-color: rgba(0, 0, 0, 0.05);
    --info-color: #00bcd4;
    --info-color-hover: #0097a7;
    --secondary-color: #f7b84b;
    --secondary-color-hover: #e0a800;
    --success-color: #4caf50;
    --success-color-hover: #388e3c;
    --danger-color: #f44336;
    --danger-color-hover: #d32f2f;
}

/* Genel Elementler */
html, body {
    font-family: var(--font-family);
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}
.card {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-speed);
}
.card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white-color);
    transition: all var(--transition-speed);
}
.btn-primary:hover {
    background-color: var(--primary-color-hover);
}
.btn-secondary {
    background-color: var(--bg-tertiary);
    border-color: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all var(--transition-speed);
}
.btn-secondary:hover {
    background-color: #5a6268;
}

/* Form elemanları */
.form-control, 
.form-select,
.modal-content,
.modal-header,
.modal-footer {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all var(--transition-speed);
}

.form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Focus durumu */
.form-control:focus, 
.form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(93, 83, 134, 0.25);
    color: var(--text-primary);
}

/* Açık mod için özel focus ayarı */
html[data-layout-mode="light"] .form-control:focus,
html[data-layout-mode="light"] .form-select:focus {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Modal'lar için koyu/açık mod uyumu */
.modal-content {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

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

.modal-footer {
    border-top: 1px solid var(--border-color);
}

/* Tablo elemanları için global stil */
.table {
    --bs-table-color: var(--text-primary);
    --bs-table-bg: var(--bg-secondary);
    --bs-table-border-color: var(--border-color);
    --bs-table-accent-bg: var(--bg-tertiary); /* Hover ve strip için */
    --bs-table-striped-color: var(--text-primary);
    --bs-table-striped-bg: var(--bg-tertiary);
    --bs-table-active-color: var(--text-primary);
    --bs-table-active-bg: var(--bg-tertiary);
    --bs-table-hover-color: var(--text-primary);
    --bs-table-hover-bg: var(--bg-tertiary);
}

/* Hover efektini daha belirgin yap */
.table-hover > tbody > tr:hover {
    background-color: var(--bs-table-hover-bg) !important;
}

/* Yardımcı sınıflar */
.text-muted {
    color: var(--text-secondary) !important;
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-content-between {
    justify-content: space-between;
}

/* Breadcrumb - Daha minimalist ve şık hale getirildi */
.breadcrumb {
    --bs-breadcrumb-divider: '»';
    font-size: 0.875rem;
    margin-bottom: 0;
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.breadcrumb-item a {
    color: var(--text-secondary) !important;
    text-decoration: none;
    transition: color var(--transition-speed);
}

.breadcrumb-item a:hover {
    color: var(--primary-color) !important;
}

.breadcrumb-item.active {
    color: var(--text-primary) !important;
}

/* Animasyonlu ve modern scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-thumb {
    background-color: #4a4a5e;
    border-radius: 4px;
}
::-webkit-scrollbar-track {
    background-color: var(--bg-secondary);
}

/* Açık Tema Scrollbar Ayarı */
html[data-layout-mode="light"] ::-webkit-scrollbar-thumb {
    background-color: #999;
}
html[data-layout-mode="light"] ::-webkit-scrollbar-track {
    background-color: #f1f1f1;
}

/* Toast ve bildirimler */
.alert {
    border-radius: 8px;
    padding: 1rem;
    font-size: 0.9rem;
}
.toast-msg.alert-success {
    background-color: #28a745;
    color: #fff;
}
.toast-msg.alert-danger {
    background-color: #dc3545;
    color: #fff;
}

/* --- Loading Screen Styles --- */

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 30, 45, 0.8);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-in-out;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: 20px;
    color: white;
    font-size: 1rem;
    font-weight: 500;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}