/* Custom styles for DTS3 application */

/* Search form styles */
.search-form-input {
    width: 200px;
}

/* Table column width styles */
.table-checkbox-column {
    width: 40px;
}

.table-actions-column {
    width: 150px;
}

/* Sidebar menu-group open state background & Overlap Prevention */
.nav-sidebar .nav-item {
    position: relative;
    width: 100%;
}

.nav-sidebar .nav-item.menu-open > .nav-link {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-sidebar .nav-treeview {
    position: static !important;
    float: none !important;
    width: 100% !important;
    clear: both !important;
}

.nav-sidebar .nav-item.menu-open > .nav-treeview {
    display: block;
    background-color: rgba(0, 0, 0, 0.15) !important;
    border-radius: 4px;
    margin: 2px 5px;
}

.nav-sidebar .nav-item.menu-open {
    background-color: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    margin-bottom: 5px;
}

/* ==========================================================================
   Global Mobile Responsive UX Optimizations (Preserves Desktop Layout)
   ========================================================================== */

/* Pürüzsüz Dokunmatik Tablo Kaydırma */
.table-responsive {
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1rem;
}

/* Masaüstü ekranlarda düzen korunur */
@media (min-width: 992px) {
    .search-form-input {
        width: 220px;
    }
}

/* Mobil & Tablet Ekranlar (< 992px) */
@media (max-width: 991.98px) {
    /* Arama ve Kart Üst Aksiyon Alanları */
    .card-header {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .card-header .card-tools,
    .card-header .btn-group {
        margin-left: 0 !important;
        width: 100%;
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
    .search-form-input {
        width: 100% !important;
    }

    /* Modal Dialog Boyutları */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }

    /* Ders Programı ve Çizelge Tabloları */
    .timetable-grid-wrap,
    .weekly-program-table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border: 1px solid #dee2e6;
        border-radius: 4px;
    }

    /* Haftalık Ders Programı Tablolarında Sticky Saat Sütunu */
    .timetable-table th:first-child,
    .timetable-table td:first-child,
    #tableView table th:first-child,
    #tableView table td:first-child,
    .table-sticky-first th:first-child,
    .table-sticky-first td:first-child {
        position: sticky !important;
        left: 0 !important;
        z-index: 5 !important;
        background-color: #f8f9fa !important;
        box-shadow: 2px 0 6px rgba(0, 0, 0, 0.08) !important;
    }
    .timetable-table th:first-child,
    #tableView table th:first-child,
    .table-sticky-first th:first-child {
        z-index: 6 !important;
        background-color: #e9ecef !important;
    }

    /* Mobil Filtre Çubukları (#timetableFilterContainer & #instructorTimetableFilterContainer) */
    #timetableFilterContainer,
    #instructorTimetableFilterContainer {
        width: 100% !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.4rem !important;
    }
    #timetableFilterContainer .select2-container,
    #instructorTimetableFilterContainer .select2-container {
        width: 100% !important;
        min-width: 100% !important;
    }
    #timetableFilterContainer select,
    #instructorTimetableFilterContainer select {
        width: 100% !important;
        min-width: 100% !important;
    }
    #timetableFilterContainer #refreshBtn,
    #instructorTimetableFilterContainer #refreshBtn {
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 0.25rem !important;
        padding: 0.35rem 0.75rem !important;
    }

    /* Dokunmatik Ekranlarda Ders Kartı İşlem Butonları */
    .placed-lesson .placed-actions {
        display: flex !important; /* Dokunmatik ekranda hover olmadığından butonlar görünür olmalı */
        gap: 3px !important;
        top: 2px !important;
        right: 2px !important;
    }
    .placed-lesson .action-btn {
        width: 22px !important;
        height: 22px !important;
        font-size: 11px !important;
        border-radius: 3px !important;
        opacity: 0.9 !important;
    }
    .grid-cell .add-lesson {
        padding: 4px 10px !important;
        min-height: 30px !important;
    }

    /* Dokun & Seç Etkileşimi (Touch Tap-to-Place) */
    .course-card.card-selected {
        border: 2px solid #28a745 !important;
        background-color: #e8f5e9 !important;
        box-shadow: 0 4px 10px rgba(40, 167, 69, 0.35) !important;
        transform: scale(1.02);
    }
    .grid-cell.target-cell-active,
    .timetable-cell.target-cell-active {
        background-color: #e3f2fd !important;
        border: 2px dashed #007bff !important;
        cursor: pointer;
        animation: pulse-target 1.5s infinite;
    }
    @keyframes pulse-target {
        0% { background-color: #e3f2fd; }
        50% { background-color: #bbdefb; }
        100% { background-color: #e3f2fd; }
    }

    /* Impersonation Banner Mobilde Dikey Esneme */
    #impersonation-banner {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.5rem;
    }
    #impersonation-banner form {
        width: 100%;
    }
    #impersonation-banner button {
        margin-left: 0 !important;
        width: 100%;
    }
}

/* Ekstra Küçük Mobil Ekranlar (< 576px) */
@media (max-width: 575.98px) {
    /* Buton gruplarını mobilde rahat basılabilir kılma */
    .btn-group .btn {
        padding: 0.35rem 0.6rem;
    }
    .content-header h1 {
        font-size: 1.25rem;
    }
    .breadcrumb {
        background: transparent;
        padding: 0;
        margin-top: 0.25rem;
    }
    .card-title {
        font-size: 1rem !important;
    }

    /* Sayfalama (Pagination) Kontrolleri */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
        gap: 2px;
    }
    .pagination .page-link {
        padding: 0.3rem 0.55rem;
        font-size: 0.8rem;
    }

    /* Tablo Altındaki Kalan Saatler Tablosu */
    #tableCoursePool table th,
    #tableCoursePool table td {
        font-size: 0.78rem;
        padding: 4px 6px;
    }
}

/* ==========================================================================
   Cuma Günü Farklı Ders Saatleri Vurguları (Friday Special Schedule Hours)
   ========================================================================== */

.friday-col-header {
    background-color: rgba(255, 193, 7, 0.15) !important;
    border-bottom: 2.5px solid #e0a800 !important;
    position: relative;
}

.friday-diff-slot {
    background-color: rgba(255, 193, 7, 0.05) !important;
    position: relative;
    border-left: 2.5px solid rgba(255, 193, 7, 0.5) !important;
}

.friday-time-pill {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
    white-space: nowrap;
    margin-top: 3px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.friday-cell-time-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 3px;
    background-color: rgba(255, 193, 7, 0.22);
    color: #704600;
    border: 1px dashed #d39e00;
    margin-bottom: 4px;
    white-space: nowrap;
    letter-spacing: 0.2px;
}

.friday-notice-banner {
    border-left: 4px solid #ffc107 !important;
    background: linear-gradient(to right, #fff9e6, #ffffff) !important;
    color: #664d03;
    border-radius: 6px;
    font-size: 0.88rem;
    box-shadow: 0 2px 6px rgba(255, 193, 7, 0.12);
}