:root {

    --primary-color: #2A5CAA ;

    --secondary-color: #FF7F3E ;

    --text-color: #e0e0e0;



    --font-color: #e0e0e0;

    --background-color: #121212;

    --card-background: #1e1e1e;

    --box-background: #151515;

    --border-color: rgba(42, 92, 170, 0.3);

    --shadow-color: rgba(0, 0, 0, 0.3);

    --comment-background: linear-gradient(135deg, #1e1e1e 0%, #252525 100%);





    --box-sizing: border-box;

}

[data-theme="light"] {

    --primary-color: #2A5CAA;

    --secondary-color: #FF7F3E;



    --text-color: #333;

    --font-color: #333;



    --background-color: #f5f5f5;

    --card-background: #ffffff;



    --box-background: #fafafa;

    --box-text: #6c757d;



    --border-color: rgba(42, 92, 170, 0.1);

    --shadow-color: rgba(42, 92, 170, 0.1);

    --comment-background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);

}

[data-theme="dark"] {

    --primary-color: #2A5CAA ;

    --secondary-color: #FF7F3E ;



    --text-color: #e0e0e0;

    --font-color: #e0e0e0;



    --background-color: #121212;

    --card-background: #1e1e1e;



    --box-background: #151515;

    --box-text: #ffffffc7;



    --border-color: rgba(42, 92, 170, 0.3);

    --shadow-color: rgba(0, 0, 0, 0.3);

    --comment-background: linear-gradient(135deg, #1e1e1e 0%, #252525 100%);

}


body {
    background-color: var(--background-color)!important;
    color: var(--font-color)!important;
    padding-top: 70px !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

button {
    padding: 10px 10px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transform: scale(1.05);
    transition: transform 0.3s ease;
}


h1, h2, h3, h4, h5, h6 {
    color: var(--font-color);
}

.card {
    background-color: var(--box-background) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--font-color) !important;
    border-radius: 10px !important;
    padding: 20px !important;
    box-sizing: var(--box-sizing) !important;
    color: var(--font-color) !important;
}

textarea {
    background-color: var(--background-color) !important;
    color: var(--font-color)!important;
    -webkit-text-fill-color: var(--font-color) !important; 
}


* {
    box-sizing: var(--box-sizing) !important;
    border-color: var(--border-color) !important;
    box-shadow: var(--shadow-color) !important;
}

.visually-hidden {
    color: var(--primary-color) !important;
}

.white-text {
    color: white !important;
}

.text-muted, .modal-body, .modal-title, .modal-header {
    color: var(--font-color) !important;
    background-color: var(--background-color) !important;
}

.like-button, .dislike-button {
    background-color: var(--card-background) !important;
    color: var(--font-color) !important;
}

.theme-toggle {
    background-color: var(--font-color) !important;
    color: white !important;
    border-radius: 50% !important;
    width: 50px !important;
    height: 50px !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

main.container {
    margin-top: 80px !important;
}

.bgc {
    color: var(--background-color) !important;
}

.fc {
    color: var(--font-color) !important;
}

.message-comments form button {
    padding: 10px 20px !important;
    background-color: var(--primary-color) !important;
    color: white !important;
    border: none !important;
    border-radius: 5px !important;
    cursor: pointer !important;
    margin-top: 10px !important;
    transition: background 0.2s ease !important;
}

.message-comments form button:hover {
    background-color: var(--primary-color) !important;
}

.input-form form button {
    padding: 10px 20px !important;
    background-color: var(--primary-color) !important;
    color: white !important;
    border: none !important;
    border-radius: 5px !important;
    cursor: pointer !important;
    margin-top: 10px !important;
    transition: background 0.2s ease !important;
}

.input-form form button:hover {
    background-color: var(--primary-color) !important;
}

.back-link {
    display: inline-block !important;
    margin-top: 10px !important;
    color: var(--primary-color) !important;
    text-decoration: none !important;
    transition: color 0.2s ease !important;
}

.back-link:hover {
    color: var(--primary-color) !important;
}

.progress-bar {
    width: 0% !important;
    height: 20px !important;
    background-color: var(--primary-color) !important;
    transition: width 0.3s ease !important;
}

.navbar {
    position: fixed !important;
    top: 0 !important;
    max-height: 50px !important;
    width: 100% !important;
    z-index: 1000 !important;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    box-shadow: 0 2px 15px rgba(106, 13, 173, 0.2) !important;
    padding: 1rem 0 !important;
}

.navbar-brand {
    color: white !important;
    font-size: 1.5rem !important;
    font-weight: 700 !important;
}

.nav-link {
    color: white !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
}

.nav-link:hover {
    color: white !important;
    transform: translateY(-2px) !important;
}

.flashes {
    margin-top: 10px !important;
    list-style-type: none !important;
    padding: 0 !important;
}

.flashes li {
    background: #ffcccc !important;
    padding: 10px !important;
    border-radius: 5px !important;
    color: #800000 !important;
    margin-bottom: 10px !important;
    border: 1px solid #ff9999 !important;
}


.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    border-color: var(--primary-color) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.3s ease !important;
}

.btn-primary:hover {
    transform: scale(1.05) !important;
    box-shadow: 0 4px 10px rgba(106, 13, 173, 0.3) !important;
}

.btn-outline-primary {
    border: 1px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var(--font-color) !important;
}

.btn-close-white {
    filter: invert(1) !important;
}

.btn-circle {
    border-radius: 50% !important;
    width: 50px !important;
    height: 50px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.btn-prev, .btn-next {
    background: rgba(255, 255, 255, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

.btn-prev:hover, .btn-next:hover {
    background: rgba(255, 255, 255, 0.3) !important;
}

.btn-close {
    width: 24px !important;
    height: 24px !important;
    background: var(--font-color) !important;
    border-radius: 50% !important;
    border: none !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    color: var(--primary-color) !important;
}

.btn-refresh {
    padding: 5px 10px !important; 
    border: 2px solid var(--primary-color) !important;
    border-radius: 20px !important;
    background: linear-gradient(135deg, var(--background-color) 0%, var(--card-background) 100%) !important;
    color: var(--primary-color) !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    font-size: 0.85rem !important;
}

.btn-refresh:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    color: var(--font-color) !important;
    transform: translateY(-2px) !important;
}

label {
    color: var(--font-color) !important;
}

.offcanvas {
    background-color: var(--card-background) !important;
    width: 280px !important;
    border-right: 1px solid var(--border-color) !important;
}

.offcanvas-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding: 1rem 1.5rem !important;
}

.offcanvas-title {
    color:transparent !important;
    font-weight: 600 !important;
}

.sidebar-menu {
    padding: 1rem 0 !important;
}

.sidebar-item {
    margin-bottom: 5px !important;
}

.sidebar-link {
    display: flex !important;
    align-items: center !important;
    padding: 12px 20px !important;
    color: var(--font-color) !important;
    text-decoration: none !important;
    border-radius: 0 !important;
    transition: all 0.3s ease !important;
    font-weight: 500 !important;
}

.sidebar-link:hover {
    background-color: var(--primary-color) !important;
    color: white !important;
    transform: translateX(5px) !important;
}

.sidebar-link:hover i {
    color: white !important;
}

.sidebar-link.active {
    background-color: var(--primary-color) !important;
    color: white !important;
    border-left: 4px solid white !important;
}

.sidebar-link i {
    color: var(--primary-color) !important;
    font-size: 1.2rem !important;
    width: 24px !important;
    text-align: center !important;
}

.sidebar-link:hover i {
    color: white !important;
}

/* 按钮样式调整 */
#sidebarToggle {
    background: transparent !important;
    border: none !important;
    padding: 0.5rem 1rem !important;
    border-radius: 5px !important;
    transition: all 0.3s ease !important;
}

#sidebarToggle:hover {
    background-color: rgba(255, 255, 255, 0.2) !important;
}

.btn-menu-close {
    transform: rotate(0deg) !important;
    transition: transform 0.6s ease !important;
}

.spinner-border {
    background-color: var(--background-color) !important;
}

.visually-hidden {
    color:var(--font-color) !important;
    border-color: var(--border-color) !important;
}