.app-container {
    min-height: 100vh;
}

/* ============ 顶部导航(悬浮组件式) ============ */
.topbar {
    position: fixed;
    top: 12px;
    left: 12px;
    right: 12px;
    height: 60px;
    background: rgba(20, 20, 20, 0.82);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(255, 255, 255, 0.03) inset;
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 20px;
    z-index: 900;
}

.topbar-brand {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    padding-right: 20px;
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
}

.brand-text {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-primary);
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    white-space: nowrap;
    text-decoration: none;
}

.nav-item i {
    font-size: 14px;
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-item.active {
    color: var(--accent-primary);
    background: var(--accent-dim);
    border-color: rgba(255, 140, 0, 0.3);
}

.nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 8px;
    flex-shrink: 0;
}

/* 管理菜单 hover 二级面板 */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-dropdown-trigger i.chevron {
    font-size: 10px;
    transition: transform 0.25s ease;
}

.nav-dropdown:hover .nav-dropdown-trigger {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-dropdown:hover .nav-dropdown-trigger i.chevron {
    transform: rotate(180deg);
}

.nav-dropdown-panel {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 200;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
}

.nav-dropdown:hover .nav-dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-panel::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 24px;
    width: 10px;
    height: 10px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    transform: rotate(45deg);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
    text-decoration: none;
    color: inherit;
}

.dropdown-item:hover {
    background: var(--bg-card-hover);
}

.dropdown-item-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--accent-dim);
    border: 1px solid rgba(255, 140, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 15px;
    flex-shrink: 0;
}

.dropdown-item-text {
    flex: 1;
    min-width: 0;
}

.dropdown-item-name {
    font-size: 13px;
    color: var(--text-primary);
}

.dropdown-item-desc {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 1px;
}

/* 顶部工具区 */
.topbar-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.icon-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    position: relative;
}

.icon-btn:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.icon-btn .dot {
    position: absolute;
    top: 7px;
    right: 7px;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    border: 1.5px solid var(--bg-secondary);
}

.mobile-toggle {
    display: none;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
}

/* 用户区 */
.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px 4px 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.topbar-user:hover {
    border-color: var(--accent-primary);
}

.topbar-user.active .user-card-arrow {
    transform: rotate(180deg);
}

.user-card-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    color: var(--bg-primary);
}

.user-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-card-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

.user-card-arrow {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.user-menu-popup {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.user-menu-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
    font-size: 13px;
}

.user-menu-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.user-menu-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.user-menu-logout:hover {
    color: var(--accent-primary);
    background: rgba(255, 140, 0, 0.1);
}

.avatar-modal-content {
    max-width: 500px;
}

.avatar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.avatar-option {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.2s;
    background: var(--bg-tertiary);
}

.avatar-option:hover {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.avatar-option.selected {
    border-color: var(--accent-color);
}

.avatar-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-custom-url {
    margin-top: 20px;
}

.avatar-current-display {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 15px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 32px;
    color: var(--text-primary);
}

.avatar-current-display img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-settings-section {
    text-align: center;
    padding: 20px 0;
}

.radio-group-custom {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.radio-option-custom {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.radio-option-custom:hover {
    color: var(--text-primary);
}

.radio-option-custom input[type="radio"] {
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.btn-sm-custom {
    padding: 6px 14px;
    font-size: 12px;
}

.input-with-btn {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.input-with-btn .form-control {
    flex: 1;
}

.input-with-btn .send-code-btn {
    flex-shrink: 0;
    white-space: nowrap;
    min-width: 100px;
}

.input-with-btn .send-code-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#page-user-settings .config-card {
    height: 100%;
}

#page-user-settings .config-card .card-body-custom {
    display: flex;
    flex-direction: column;
}

.email-info-section {
    flex: 1;
}

@media (max-width: 992px) {
    #page-user-settings .col-lg-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

.email-desc,
.phone-desc {
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.email-desc span,
.phone-desc span {
    color: var(--text-primary);
}

.email-info-section p,
.phone-info-section p {
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.email-info-section span,
.phone-info-section span {
    color: var(--text-primary);
}

.user-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    max-width: 140px;
}

.main-content {
    margin-top: 84px;
    padding: 24px 28px 40px;
    min-height: calc(100vh - 84px);
}

.page-content {
    animation: fadeIn 0.3s ease;
}

.page-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.page-header h2 i {
    color: var(--accent-primary);
}

.countdown-minutes {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

.card-header-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--accent-primary);
}

.card-header-custom .header-slash {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    color: var(--accent-primary);
}

.team-card-header .header-slash {
    color: var(--accent-primary);
}

.card-body-custom {
    padding: 20px;
}

.card-body-custom p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.event-tags {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
    justify-content: flex-start;
}

.event-tag-published {
    padding: 4px 10px;
    background: rgba(76, 175, 80, 0.1);
    color: var(--color-green-tag);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.event-tag-featured {
    padding: 4px 10px;
    background: rgba(255, 140, 0, 0.1);
    color: var(--accent-primary);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.activity-tag-featured {
    padding: 4px 10px;
    background: rgba(255, 200, 0, 0.15);
    color: var(--color-yellow);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.profile-qr-code {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
    background: transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.profile-qr-code::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,140,0,0.08);
    border-radius: 4px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.profile-qr-code:hover::after {
    opacity: 1;
}

.profile-qr-code img,
.profile-qr-code canvas {
    display: block;
    width: 120px;
    height: 120px;
    background: transparent;
}

.btn-copy-qr {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 8px;
    padding: 5px 10px;
    background: var(--text-on-accent);
    color: var(--text-primary);
    border: none;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    width: auto;
}

.btn-copy-qr:hover {
    background: var(--bg-tertiary);
}

.btn-copy-qr:active {
    transform: scale(0.97);
}

.btn-copy-qr i {
    font-size: 12px;
}

.profile-barcode-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
}

.profile-barcode-modal svg {
    transform: rotate(-90deg);
    width: 80vw;
    max-width: 600px;
    height: auto;
}

.profile-qr-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
}

.profile-qr-modal img,
.profile-qr-modal canvas {
    width: 300px;
    height: 300px;
    image-rendering: pixelated;
}

.modal-close-hint {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    margin-top: 20px;
}

@media (max-width: 1200px) {
    .main-content {
        padding: 20px 20px 32px;
    }
}

@media (max-width: 760px) {
    .topbar {
        top: 8px;
        left: 8px;
        right: 8px;
        padding: 0 14px;
        gap: 10px;
        border-radius: 12px;
    }

    .topbar-nav {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .topbar-brand {
        padding-right: 0;
        border-right: none;
        font-size: 16px;
    }

    .topbar-user-name {
        display: none;
    }

    .icon-btn {
        display: none;
    }

    .main-content {
        margin-top: 76px;
        padding: 16px;
        min-height: calc(100vh - 76px);
    }

    .nav-dropdown-panel {
        min-width: 280px;
        grid-template-columns: 1fr;
    }
}