/* SỬA SCROLLBAR TOÀN TRANG - CHỈ TRÊN MOBILE */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        max-width: 100vw !important;
    }
    
    .container, .container-fluid {
        overflow-x: hidden !important;
        max-width: 100% !important;
    }
}

/* Mobile Navbar Thứ 2 - SPECIFICITY CỰC CAO - ĐÈ LÊN TẤT CẢ */
html body .mobile-second-navbar {
    margin: 0 !important;
    padding: 0.5rem 1rem !important;
    border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    position: relative !important;
    z-index: 9999 !important;
    background-color: transparent !important;
    overflow: hidden !important; /* KHÔNG SCROLLBAR */
    overflow-x: hidden !important; /* KHÔNG SCROLLBAR NGANG */
    overflow-y: hidden !important; /* KHÔNG SCROLLBAR DỌC */
    height: auto !important;
    max-width: 100vw !important; /* KHÔNG VƯỢT QUÁ MÀN HÌNH */
    display: none !important; /* Ẩn mặc định */
}

html body .mobile-second-navbar .container-fluid {
    overflow: hidden !important;
    max-width: 100% !important;
    padding: 0 !important;
}

html body .mobile-second-navbar .row {
    margin: 0 !important;
    overflow: hidden !important;
    max-width: 100% !important;
}

html body .mobile-second-navbar .col-6 {
    padding: 0 0.25rem !important;
    overflow: hidden !important;
}

html body .mobile-second-navbar .btn {
    padding: 0.4rem 0.8rem !important;
    font-size: 0.85rem !important;
    border-radius: 6px !important;
    font-weight: 500 !important;
    white-space: nowrap !important; /* KHÔNG THU PHÓNG TEXT */
    max-width: 100% !important;
    overflow: hidden !important;
}

html body .mobile-second-navbar .btn-success {
    background-color: #22c55e !important;
    border-color: #22c55e !important;
}

html body .mobile-second-navbar .btn-success:hover {
    background-color: #16a34a !important;
    border-color: #16a34a !important;
}

html body .mobile-second-navbar .btn-danger {
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
}

html body .mobile-second-navbar .btn-danger:hover {
    background-color: #c82333 !important;
    border-color: #c82333 !important;
}

/* HIỆN TRÊN MOBILE - SPECIFICITY CỰC CAO */
@media (max-width: 768px) {
    html body .mobile-second-navbar {
        display: block !important;
        visibility: visible !important;
    }
    
    /* SỬA NAVBAR CHÍNH - KHÔNG SCROLLBAR */
    html body .navbar {
        overflow: hidden !important;
        overflow-x: hidden !important;
        max-width: 100vw !important;
    }
    
    html body .navbar .container-fluid {
        overflow: hidden !important;
        max-width: 100% !important;
    }
    
    html body .navbar .navbar-nav {
        overflow: hidden !important;
        max-width: 100% !important;
    }
    
    html body .navbar .nav-item {
        overflow: hidden !important;
        max-width: 100% !important;
    }
    
    html body .navbar .btn {
        overflow: hidden !important;
        max-width: 100% !important;
    }
    
    /* GIẢM MARGIN/PADDING TRÊN MOBILE */
    .container, .container-fluid {
        padding-left: 0.5rem !important;
        padding-right: 0.5rem !important;
    }
    
    .card {
        margin-bottom: 0.5rem !important;
    }
    
    .card-body {
        padding: 1rem !important;
    }
    
    .row {
        margin-left: -0.25rem !important;
        margin-right: -0.25rem !important;
    }
    
    .col, .col-6, .col-12 {
        padding-left: 0.25rem !important;
        padding-right: 0.25rem !important;
    }
    
    /* GIẢM KHOẢNG CÁCH GIỮA CÁC ELEMENT */
    .mb-3, .mb-4, .mb-5 {
        margin-bottom: 0.5rem !important;
    }
    
    .mt-3, .mt-4, .mt-5 {
        margin-top: 0.5rem !important;
    }
    
    .py-3, .py-4, .py-5 {
        padding-top: 0.5rem !important;
        padding-bottom: 0.5rem !important;
    }
    
    /* GIẢM KHOẢNG CÁCH GIỮA MOBILE NAVBAR VÀ CONTENT */
    .mobile-second-navbar + .main-content {
        margin-top: 0.5rem !important;
        padding-top: 0.5rem !important;
    }
    
    .main-content .container-fluid {
        padding-top: 0.5rem !important;
    }
    
    .main-content .row {
        margin-top: 0.5rem !important;
    }
    
    /* GIẢM KHOẢNG CÁCH CỦA CARD ĐẦU TIÊN */
    .main-content .card:first-child {
        margin-top: 0.5rem !important;
    }
}

@media (min-width: 769px) {
    html body .mobile-second-navbar {
        display: none !important;
        visibility: hidden !important;
    }
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    min-height: 100vh;
}

.container {
    background: #f8f9fa; /* Light gray, card-like */
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    margin: 3rem auto;
}

    .container.home, .container.about {
        max-width: 900px;
    }

    .container h1 {
        text-align: center;
        color: #22c55e;
        margin-bottom: 2rem;
        font-weight: 600;
    }

    .container h4 {
        color: #6c757d;
        font-weight: 600;
        margin-bottom: 1rem;
    }

.form-group {
    margin-bottom: 1.5rem;
}

.input-affix-wrapper {
    position: relative;
}

.input-prefix {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
}

.form-control {
    padding-left: 2.5rem;
    border-radius: 8px;
    border: 1px solid #ced4da;
    transition: border-color 0.3s, box-shadow 0.3s;
}

    .form-control:focus {
        border-color: #22c55e;
        box-shadow: 0 0 5px rgba(34, 197, 94, 0.3);
        outline: none;
    }

/* TẤT CẢ input text - hover và focus màu xanh (override mọi CSS khác) */
.form-control:hover,
.form-control:focus,
input:hover,
input:focus,
textarea:hover,
textarea:focus,
select:hover,
select:focus {
    border-color: #22c55e !important;
    box-shadow: 0 0 5px rgba(34, 197, 94, 0.3) !important;
    outline: none !important;
}

/* Label không có border - chỉ là text */
.custom-checkbox-label:hover,
.custom-checkbox-label:focus {
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

/* Đặc biệt: Textbox bên trong container đã tick - hover màu xanh */
.custom-checkbox-container.checked .form-control:hover,
.custom-checkbox-container.checked input:hover,
.custom-checkbox-container.checked textarea:hover,
.custom-checkbox-container.checked select:hover {
    border-color: #22c55e !important;
    box-shadow: 0 0 5px rgba(34, 197, 94, 0.3) !important;
    outline: none !important;
}

/* Input checkbox thật - hover màu xanh */
.custom-checkbox-input:hover,
.custom-checkbox-input:focus {
    border-color: #22c55e !important;
    box-shadow: 0 0 5px rgba(34, 197, 94, 0.3) !important;
    outline: none !important;
}

/* Input checkbox thật trong container đã tick - hover màu xanh */
.custom-checkbox-container.checked .custom-checkbox-input:hover,
.custom-checkbox-container.checked .custom-checkbox-input:focus {
    border-color: #22c55e !important;
    box-shadow: 0 0 5px rgba(34, 197, 94, 0.3) !important;
    outline: none !important;
}

/* Khi form có checkbox đã tick - tất cả input trong form focus màu xanh */
form:has(.custom-checkbox-container.checked) .form-control:focus,
form:has(.custom-checkbox-container.checked) input:focus,
form:has(.custom-checkbox-container.checked) textarea:focus,
form:has(.custom-checkbox-container.checked) select:focus {
    border-color: #4caf50 !important;
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.3) !important;
    outline: none !important;
}


/* Phục hồi border cho input textbox thông thường (không phải trong checkbox container) */
.form-control:not(.custom-checkbox-container .form-control),
input[type="text"]:not(.custom-checkbox-container input),
input[type="email"]:not(.custom-checkbox-container input),
input[type="number"]:not(.custom-checkbox-container input),
input[type="date"]:not(.custom-checkbox-container input),
input[type="time"]:not(.custom-checkbox-container input),
textarea:not(.custom-checkbox-container textarea),
select:not(.custom-checkbox-container select) {
    border: 1px solid #ced4da !important;
    box-shadow: none !important;
    outline: none !important;
}

/* Border khi focus cho input textbox thông thường - độ ưu tiên cao */
.form-control:not(.custom-checkbox-container .form-control):focus,
input:not(.custom-checkbox-container input):focus,
textarea:not(.custom-checkbox-container textarea):focus,
select:not(.custom-checkbox-container select):focus,
form .form-control:focus:not(.custom-checkbox-container .form-control),
form input:focus:not(.custom-checkbox-container input),
form textarea:focus:not(.custom-checkbox-container textarea),
form select:focus:not(.custom-checkbox-container select) {
    border-color: #22c55e !important;
    box-shadow: 0 0 5px rgba(34, 197, 94, 0.3) !important;
    outline: none !important;
}

.btn-primary {
    width: auto;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    background: #22c55e;
    border: none;
    transition: background 0.3s, transform 0.2s;
}

    .btn-primary:hover {
        background: #16a34a;
        transform: translateY(-2px);
    }

.text-danger {
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.alert-danger {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
}

.spinner-border-sm {
    margin-left: 0.5rem;
}

/* Validation error styles */
.form-control.is-invalid {
    border-color: #dc3545 !important;
    box-shadow: 0 0 5px rgba(220, 53, 69, 0.3) !important;
}

.form-control.is-invalid:focus {
    border-color: #dc3545 !important;
    box-shadow: 0 0 5px rgba(220, 53, 69, 0.3) !important;
}

#usernameValidationError {
    font-size: 14px;
    color: #dc3545;
    margin-top: 8px;
    font-weight: 500;
    display: block;
    padding-left: 2px;
}

/* Reset Password Layout Fixes - Only for ResetPassword page */
body .reset-password-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin: 10px 0;
    min-height: auto;
    width: 100%;
    overflow: hidden;
}

body .reset-password-card .card-header {
    border-radius: 10px 10px 0 0;
    margin: -20px -20px 20px -20px;
    padding: 15px 20px;
}

body .reset-password-card .card-body {
    padding: 20px;
}

/* Fix padding for inner cards in ResetPassword */
body .reset-password-card .card {
    margin-bottom: 1rem;
}

body .reset-password-card .card .card-body {
    padding: 20px;
}

body .reset-password-card .card .card-header {
    padding: 15px 20px;
    margin: 0;
}

/* Mobile responsive fixes for ResetPassword only */
@media (max-width: 768px) {
    body .reset-password-card {
        padding: 15px;
        margin: 5px 0;
        border-radius: 8px;
    }
    
    body .reset-password-card .card-header {
        margin: -15px -15px 15px -15px;
        padding: 12px 15px;
    }
    
    body .reset-password-card .card-body {
        padding: 15px;
    }
    
    body .reset-password-card .card .card-body {
        padding: 15px;
    }
    
    body .reset-password-card .card .card-header {
        padding: 12px 15px;
    }
    
    body .reset-password-card .card-header h4 {
        font-size: 1.1rem;
    }
    
    body .reset-password-card .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    body .reset-password-card .btn {
        font-size: 14px;
        padding: 10px 15px;
    }
    
    body .reset-password-card .alert {
        font-size: 14px;
        padding: 15px;
    }
}

@media (max-width: 576px) {
    body .reset-password-card {
        padding: 10px;
        margin: 2px 0;
    }
    
    body .reset-password-card .card-header {
        margin: -10px -10px 10px -10px;
        padding: 10px 15px;
    }
    
    body .reset-password-card .card-body {
        padding: 10px;
    }
    
    body .reset-password-card .card .card-body {
        padding: 10px;
    }
    
    body .reset-password-card .card .card-header {
        padding: 10px 15px;
    }
    
    body .reset-password-card .card-header h4 {
        font-size: 1rem;
    }
    
    body .reset-password-card .form-control {
        font-size: 16px;
        padding: 12px;
    }
    
    body .reset-password-card .btn {
        font-size: 13px;
        padding: 8px 12px;
    }
}

.lang-section {
    margin-bottom: 2rem;
}

    .lang-section p {
        line-height: 1.6;
        margin-bottom: 1rem;
    }

.contact-info {
    background-color: aliceblue;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

    .contact-info h5 {
        color: #6c757d;
        font-weight: 600;
        margin-bottom: 1rem;
    }

    .contact-info p {
        margin-bottom: 0.5rem;
        color: #333;
    }

    .contact-info strong {
        color: #333;
    }

    .contact-info .row {
        margin-bottom: 1rem;
    }

/* Hero section styled as a card */
.hero-section {
    border: none;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background-color: #f8f9fa; /* Light gray */
    color: #333; /* Dark text for readability */
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

    .hero-section h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
        color: #333;
    }

    .hero-section p {
        color: #333;
    }

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 1.5rem;
    background-color: #f8f9fa; /* Light gray for all cards */
    color: #333;
}

    .card.height {
        height: 100%;
    }

    .card-body {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 150px;
        padding: 1.5rem;
    }

    .card-body h5 {
        flex: 1;
        word-wrap: break-word;
        word-break: break-word;
        line-height: 1.4;
        margin-bottom: 1rem;
        white-space: normal;
        overflow-wrap: break-word;
    }

    /* CSS cụ thể cho trang Home - không ảnh hưởng trang khác */
    .container.home .row.g-4 .col-md-6.d-flex {
        display: block !important;
    }

    .container.home .row.g-4 .col-md-6.d-flex .card {
        height: auto !important;
        min-height: 200px !important;
        overflow: visible !important;
    }

    .container.home .row.g-4 .col-md-6.d-flex .card.w-100 {
        width: 100% !important;
        height: auto !important;
    }

    .container.home .card-body {
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
        min-height: 180px !important;
        height: auto !important;
        padding: 1.5rem !important;
        overflow: visible !important;
    }

    .container.home .card-body h5 {
        flex: 1 !important;
        word-wrap: break-word !important;
        word-break: break-word !important;
        line-height: 1.4 !important;
        margin-bottom: 1rem !important;
        white-space: normal !important;
        overflow-wrap: break-word !important;
        overflow: visible !important;
        height: auto !important;
        min-height: auto !important;
        max-height: none !important;
        text-overflow: unset !important;
        display: block !important;
        width: 100% !important;
    }

    .container.home .card {
        overflow: visible !important;
    }

    .container.home .card-body * {
        overflow: visible !important;
    }

    .container.home .row.g-4 {
        display: block !important;
    }

    .container.home .row.g-4 .col-md-6 {
        width: 100% !important;
        margin-bottom: 1rem !important;
    }

    @media (min-width: 768px) {
        .container.home .row.g-4 {
            display: flex !important;
        }
        
        .container.home .row.g-4 .col-md-6 {
            width: 50% !important;
            margin-bottom: 0 !important;
        }
    }

    .card .btn {
        margin-top: 1rem;
    }

    .btn-action {
        width: 140px;
        align-self: center;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
    }

    .card-body-commit {
        padding-top: 10px;
        padding-bottom: 10px;
        min-height: unset;
        height: auto;
        line-height: 1.4;
        font-size: 1rem;
    }

    .notification-text {
        color: #dc3545;
        font-weight: bold;
        animation: pulse 2s infinite;
        margin-top: 15px;
        font-size: 1.1rem;
    }

    @keyframes pulse {
        0% {
            transform: scale(1);
            opacity: 1;
        }
        50% {
            transform: scale(1.05);
            opacity: 0.8;
        }
        100% {
            transform: scale(1);
            opacity: 1;
        }
    }

/* Layout compatibility */
body.layout {
    display: block;
}

    body.layout .container {
        margin-top: 10px;
    }

@media (max-width: 1024px) {
    /* Ẩn navbar cũ trên mobile */
    .nav-end-wrap {
        display: none !important;
        visibility: hidden !important;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 1.8rem;
    }
    
    /* CSS responsive chỉ cho trang Home */
    .container.home .row.g-4 .col-md-6.d-flex .card {
        min-height: 160px !important;
    }
    
    .container.home .card-body {
        min-height: 140px !important;
        padding: 1rem !important;
    }
    
    .container.home .card-body h5 {
        font-size: 1rem !important;
        line-height: 1.3 !important;
    }
    
    .btn-action {
        width: 120px;
        height: 44px;
        font-size: 1rem;
    }
}