/* Bootstrap tablo renkleri için özel stiller */
.table-danger {
    background-color: #f8d7da !important;
}

.table-warning {
    background-color: #fff3cd !important;
}

.table-info {
    background-color: #d1ecf1 !important;
}

/* Çifter form gönderimini önlemek için disabled buton stilleri */
.btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
}

.btn.disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
}

/* Loading spinner animasyonu */
.fa-spinner.fa-spin {
    animation: fa-spin 1s infinite linear;
}

@keyframes fa-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Öğrenci uyarı durumu için blink animasyonu */
.blink-warning {
    animation: blink 2s infinite;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Öğrenci listesi renklendirme stilleri */
.table-danger {
    background-color: #f8d7da !important;
}

.table-warning {
    background-color: #fff3cd !important;
}

.table-info {
    background-color: #d1ecf1 !important;
}

/* Navbar stilleri - Bootstrap'i override etmek için !important kullanılıyor */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
}

.navbar-brand {
    font-weight: 600 !important;
    font-size: 1.2rem !important;
    text-decoration: none !important;
    color: #ffffff !important;
}

.navbar-brand:hover {
    color: #ffffff !important;
    text-decoration: none !important;
    opacity: 0.8 !important;
}

/* Mobil navbar başlık düzeni - 2 satırlı düzen */
@media screen and (max-width: 991.98px) {
    .navbar {
        padding: 0.25rem 0.5rem !important;
        min-height: 80px !important;
    }
    
    .navbar .container-fluid {
        padding: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        gap: 0.5rem !important;
    }
    
    .navbar-brand {
        font-size: 0.8rem !important;
        max-width: 100% !important;
        width: 100% !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
        display: block !important;
        text-align: center !important;
        padding: 0.25rem 0 !important;
        margin: 0 !important;
        line-height: 1.2 !important;
        text-decoration: none !important;
        color: #ffffff !important;
        font-weight: 600 !important;
        pointer-events: auto !important;
        cursor: pointer !important;
        z-index: 1000 !important;
        position: relative !important;
        flex-shrink: 0 !important;
    }
    
    .navbar-nav {
        margin: 0 !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
        gap: 1rem !important;
        flex-wrap: nowrap !important;
    }
    
    .navbar-nav .nav-item {
        margin: 0 !important;
        padding: 0 !important;
        display: inline-block !important;
        vertical-align: middle !important;
    }
    
    .navbar-nav .nav-item:last-child {
        order: 2 !important;
        margin-left: auto !important;
    }
    
    .navbar-toggler {
        order: 1 !important;
        margin-right: 0.5rem !important;
        display: inline-block !important;
        vertical-align: middle !important;
        float: left !important;
    }
    
    .navbar-brand:hover,
    .navbar-brand:focus,
    .navbar-brand:active {
        color: #ffffff !important;
        text-decoration: none !important;
        opacity: 0.8 !important;
        background: none !important;
        outline: none !important;
    }
    
    .navbar-brand i {
        font-size: 0.5rem !important;
        margin-right: 0.1rem !important;
    }
    
    .navbar-nav {
        margin: 0 !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
        gap: 1rem !important;
    }
    
    .navbar-nav .nav-item {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .navbar-nav .nav-item:last-child {
        order: 2 !important;
        margin-left: auto !important;
    }
    
    .navbar-toggler {
        order: 1 !important;
    }
    
    .navbar-nav .nav-link {
        padding: 0.25rem 0.5rem !important;
        font-size: 0.7rem !important;
        margin: 0 !important;
    }
}

/* Çok küçük ekranlar için ek düzenleme */
@media screen and (max-width: 576px) {
    .navbar {
        min-height: 70px !important;
    }
    
    .navbar-brand {
        font-size: 0.7rem !important;
        max-width: 100% !important;
    }
    
    .navbar-brand i {
        font-size: 0.7rem !important;
    }
}

/* En güçlü kurallar - Tüm durumları kapsar */
.navbar-brand {
    display: inline-block !important;
    padding-top: 0.3125rem !important;
    padding-bottom: 0.3125rem !important;
    margin-right: 1rem !important;
    font-size: 1.2rem !important;
    line-height: inherit !important;
    white-space: nowrap !important;
    text-decoration: none !important;
    color: #ffffff !important;
    background-color: transparent !important;
    border: 0 !important;
    cursor: pointer !important;
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

.navbar-brand:hover,
.navbar-brand:focus {
    text-decoration: none !important;
    color: #ffffff !important;
    opacity: 0.8 !important;
}

.navbar-brand:focus {
    outline: 0 !important;
    box-shadow: none !important;
}



/* Sidebar stilleri */
.sidebar {
    background: linear-gradient(180deg, #2c3e50 0%, #34495e 100%) !important;
    min-height: 100vh !important;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1) !important;
}

/* Hamburger Menü Stilleri */
.navbar-toggler {
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    padding: 0.25rem 0.5rem !important;
    border-radius: 0.375rem !important;
    flex-shrink: 0 !important;
    display: inline-block !important;
    vertical-align: middle !important;
}

@media screen and (max-width: 991.98px) {
    .navbar-toggler {
        order: 1 !important;
        margin-right: 0.5rem !important;
        display: inline-block !important;
        vertical-align: middle !important;
        float: left !important;
        position: relative !important;
        z-index: 1000 !important;
    }
    
    .navbar-nav .nav-item:last-child {
        order: 2 !important;
        margin-left: auto !important;
        float: right !important;
        position: relative !important;
        z-index: 1000 !important;
    }
    
    .navbar-nav {
        overflow: hidden !important;
        clear: both !important;
    }
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25) !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}


.sidebar .nav-link {
    color: #ecf0f1 !important;
    padding: 12px 20px !important;
    border-radius: 8px !important;
    margin: 4px 8px !important;
    transition: all 0.3s ease !important;
}

.sidebar .nav-link:hover {
    background: rgba(255,255,255,0.1) !important;
    color: #ffffff !important;
    transform: translateX(5px) !important;
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3) !important;
}

.sidebar .nav-link i {
    margin-right: 10px !important;
    width: 20px !important;
    text-align: center !important;
}

/* Admin panel için özel kurallar - En güçlü */
@media screen and (max-width: 991.98px) {
    .navbar .container-fluid {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        gap: 0.5rem !important;
    }
    
    .navbar-nav {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
        gap: 1rem !important;
        flex-wrap: nowrap !important;
        overflow: visible !important;
    }
    
    .navbar-toggler {
        order: 1 !important;
        margin-right: 0.5rem !important;
        display: inline-block !important;
        vertical-align: middle !important;
        float: none !important;
        position: static !important;
    }
    
    .navbar-nav .nav-item:last-child {
        order: 2 !important;
        margin-left: auto !important;
        float: none !important;
        position: static !important;
    }
}

/* Çok güçlü kurallar - Admin panel için */
@media screen and (max-width: 991.98px) {
    .navbar .container-fluid {
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    .navbar-nav {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
    }
    
    .navbar-toggler {
        order: 1 !important;
        margin-right: 0.5rem !important;
    }
    
    .navbar-nav .nav-item:last-child {
        order: 2 !important;
        margin-left: auto !important;
    }
}

/* Ana içerik alanı */
.main-content {
    background: #f8f9fa !important;
    min-height: 100vh !important;
    padding: 20px !important;
}

/* Breadcrumb stilleri */
.breadcrumb {
    background: #ffffff !important;
    border-radius: 10px !important;
    padding: 15px 20px !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05) !important;
    margin-bottom: 20px !important;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›" !important;
    color: #6c757d !important;
    font-weight: bold !important;
    font-size: 18px !important;
}

.breadcrumb-item a {
    color: #667eea !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    transition: color 0.3s ease !important;
}

.breadcrumb-item a:hover {
    color: #764ba2 !important;
    text-decoration: underline !important;
}

.breadcrumb-item.active {
    color: #495057 !important;
    font-weight: 600 !important;
}

/* Dashboard kartları */
.dashboard-card {
    background: #ffffff !important;
    border-radius: 15px !important;
    padding: 25px !important;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08) !important;
    transition: all 0.3s ease !important;
    border: none !important;
    position: relative !important;
    overflow: hidden !important;
}

.dashboard-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.dashboard-card .icon {
    width: 60px !important;
    height: 60px !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 0 !important;
    margin-right: 12px !important;
    font-size: 24px !important;
    color: #ffffff !important;
}

.dashboard-card .icon.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.dashboard-card .icon.success {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%) !important;
}

.dashboard-card .icon.warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
}

.dashboard-card .icon.danger {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%) !important;
}

.dashboard-card .icon.info {
    background: linear-gradient(135deg, #17a2b8 0%, #6f42c1 100%) !important;
}

.dashboard-card .icon.secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%) !important;
}

.dashboard-card .card-title {
    color: #2c3e50 !important;
    font-weight: 600 !important;
    margin-bottom: 0 !important;
    display: inline-block !important;
    vertical-align: middle !important;
}

.dashboard-card .card-text {
    font-size: 2.5rem !important;
    font-weight: 700 !important;
    margin-bottom: 10px !important;
}

/* Karttaki sayıların hizası ve aralığı */
.dashboard-card h2.card-text {
    display: block !important;
    margin-top: 12px !important;
    text-align: center !important;
}

/* Dashboard kart açıklama metni boyutu (numaralardan küçük) */
.dashboard-card p.card-text.text-muted {
    font-size: 0.95rem !important;
    margin-bottom: 0 !important;
}

/* Genel kart stilleri */
.card {
    border-radius: 15px !important;
    border: none !important;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08) !important;
    transition: all 0.3s ease !important;
}

.card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: #ffffff !important;
    border-radius: 15px 15px 0 0 !important;
    border: none !important;
    padding: 20px !important;
}

.card-header h5 {
    margin: 0 !important;
    font-weight: 600 !important;
}

/* Buton stilleri */
.btn {
    border-radius: 10px !important;
    padding: 12px 25px !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    border: none !important;
}

.btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2) !important;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.btn-success {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%) !important;
}

.btn-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%) !important;
}

/* Hızlı İşlemler: buton yüksekliği eşitleme ve iki satıra izin verme */
.quick-actions .btn {
    height: 64px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    white-space: normal !important;
    line-height: 1.2 !important;
    text-align: center !important;
}

.quick-actions .btn i {
    margin-right: 8px !important;
}

/* Form elementleri */
.form-control, .form-select {
    border-radius: 10px !important;
    border: 2px solid #e9ecef !important;
    padding: 12px 15px !important;
    transition: all 0.3s ease !important;
}

.form-control:focus, .form-select:focus {
    border-color: #667eea !important;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25) !important;
}

/* Tablo stilleri */
.table {
    border-radius: 10px !important;
    overflow: hidden !important;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08) !important;
}

.table thead th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: #ffffff !important;
    border: none !important;
    padding: 15px !important;
    font-weight: 600 !important;
}

.table tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05) !important;
}

/* Responsive tasarım */
@media (max-width: 768px) {
    .sidebar {
        position: fixed !important;
        top: 0 !important;
        left: -100% !important;
        z-index: 1000 !important;
        transition: left 0.3s ease !important;
    }
    
    .sidebar.show {
        left: 0 !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 15px !important;
    }
    
    .dashboard-card {
        padding: 20px !important;
    }
    
    .dashboard-card .card-text {
        font-size: 2rem !important;
    }
}

/* Animasyonlar */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.7; }
}

.blink-warning {
    animation: blink 1.5s infinite;
}

/* Uyarı seviyesi renkleri */
.table-warning-level-1 {
    background-color: #d4edda !important; /* Çok açık yeşil - 1 uyarı */
}

.table-warning-level-2 {
    background-color: #fff3cd !important; /* Açık sarı - 2 uyarı */
}

.table-warning-level-3 {
    background-color: #cce5ff !important; /* Açık mavi - 3 uyarı */
}

.table-warning-level-4 {
    background-color: #ffeaa7 !important; /* Sarı - 4 uyarı */
}

.table-warning-level-5 {
    background-color: #fab1a0 !important; /* Açık turuncu - 5 uyarı */
}

.table-warning-level-6 {
    background-color: #fd79a8 !important; /* Pembe - 6 uyarı */
}

.table-warning-level-7 {
    background-color: #e17055 !important; /* Turuncu - 7 uyarı */
}

.table-warning-level-8 {
    background-color: #fdcb6e !important; /* Sarı-turuncu - 8 uyarı */
}

.table-warning-level-9 {
    background-color: #e84393 !important; /* Pembe-kırmızı - 9 uyarı */
}

.table-warning-level-10 {
    background-color: #d63031 !important; /* Kırmızı - 10+ uyarı */
}

.dashboard-card {
    animation: fadeInUp 0.6s ease-out !important;
}

.dashboard-card:nth-child(1) { animation-delay: 0.1s !important; }
.dashboard-card:nth-child(2) { animation-delay: 0.2s !important; }
.dashboard-card:nth-child(3) { animation-delay: 0.3s !important; }
.dashboard-card:nth-child(4) { animation-delay: 0.4s !important; }