/* ========== Layout Container ========== */
.app-container {
    display: flex;
    min-height: 100vh;
    max-width: 1440px;
    margin: 0 auto;
    position: relative;
}

/* ========== Mobile Header ========== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--mobile-header-height);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
}

body.dark-mode .mobile-header {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
}

.mobile-menu-btn,
.mobile-dark-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
    flex-shrink: 0;
}

.mobile-menu-btn:hover,
.mobile-dark-btn:hover {
    background: var(--bg-hover);
    transform: scale(1.05);
}

.mobile-menu-btn:active,
.mobile-dark-btn:active {
    transform: scale(0.95);
}

.mobile-logo {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 50%;
    display: flex;
    align-items: center;
    letter-spacing: -0.01em;
}

.mobile-logo img {
    height: 30px;
    width: auto;
}

.app-aside {
    width: var(--aside-width);
    min-width: var(--aside-width);
    background: var(--bg-aside);
    border-right: 1px solid var(--border-light);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 900;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-aside::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--accent-light), transparent 70%);
    pointer-events: none;
    opacity: 0.6;
}

body.dark-mode .app-aside::before {
    opacity: 0.3;
}

.aside-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    z-index: 899;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.aside-wrap {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    z-index: 1;
}

/* Aside Close Button */
.aside-close-btn {
    display: none;
    position: absolute;
    top: 14px;
    right: 14px;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--text-muted);
    border-radius: var(--radius-round);
    background: var(--bg-hover);
    z-index: 10;
    cursor: pointer;
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}

.aside-close-btn:hover {
    color: var(--text-primary);
    background: var(--border-light);
    transform: rotate(90deg);
}

/* Aside User Section */
.aside-user {
    text-align: center;
    padding: 32px 20px 22px;
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

.aside-avatar-link {
    display: inline-block;
    margin-bottom: 12px;
    position: relative;
}

.aside-avatar-link::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: var(--radius-round);
    background: conic-gradient(var(--accent), var(--accent-hover), var(--accent), var(--accent-hover));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.aside-avatar-link:hover::after {
    opacity: 1;
    animation: spin-slow 3s linear infinite;
}

.aside-avatar {
    display: block;
    width: 76px;
    height: 76px;
    margin: 0 auto;
}

.aside-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-round);
    border: 3px solid var(--bg-aside);
    box-shadow: 0 2px 12px rgba(40, 30, 20, 0.1);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.aside-avatar img:hover {
    transform: scale(1.06);
    box-shadow: 0 4px 20px rgba(40, 30, 20, 0.15);
}

.aside-user-name {
    display: block;
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.aside-user-bio {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.aside-greeting {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

.aside-greeting p {
    margin-bottom: 8px;
}

.time-progress {
    width: 100%;
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 10px;
}

.time-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    border-radius: 2px;
    transition: width 1s ease;
    min-width: 2px;
    position: relative;
}

.time-progress-bar::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 8px;
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    opacity: 0.6;
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Aside Navigation */
.aside-nav {
    flex: 1;
    padding: 8px 0;
    overflow-y: auto;
}

.nav-list {
    padding: 0;
}

.nav-list li {
    position: relative;
    margin: 2px 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 11px 14px;
    color: var(--text-nav);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
    position: relative;
    cursor: pointer;
    border-radius: var(--radius-md);
}

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

.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    font-size: 18px;
    margin-right: 10px;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.nav-item:hover .nav-icon {
    transform: scale(1.1);
}

.nav-text {
    flex: 1;
}

.nav-arrow {
    font-size: 14px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-muted);
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-has-sub.active .nav-arrow {
    transform: rotate(180deg);
}

/* Sub Navigation */
.nav-sub-list {
    display: none;
    padding: 2px 0;
}

.nav-has-sub.active .nav-sub-list {
    display: block;
    animation: slideDown 0.3s ease;
}

.nav-sub-list li {
    margin: 0 8px;
}

.nav-sub-list li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px 9px 48px;
    font-size: 13px;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-sub-list li a i {
    font-size: 15px;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.nav-sub-list li a:hover {
    color: var(--accent);
    background: var(--bg-hover);
}

.nav-sub-list li a:hover i {
    color: var(--accent);
}

/* Aside Footer */
.aside-footer {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    border-top: 1px solid var(--border-light);
}

.aside-footer-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}

.aside-footer-btn:hover {
    color: var(--accent);
    background: var(--bg-hover);
    transform: translateY(-2px);
}

/* ========== Main Content Area ========== */
.app-main {
    flex: 1;
    margin-left: var(--aside-width);
    padding: 28px 32px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 100%;
    overflow-x: hidden;
}

.main-container {
    display: flex;
    flex: 1;
    gap: 28px;
    max-width: 100%;
    overflow: hidden;
    align-items: flex-start;
}

.content-wrapper {
    flex: 1;
    min-width: 0;
}

/* Shiguang desktop layout */
.app-container {
    max-width: 1480px;
}

.app-main {
    padding: 24px 20px 42px;
}

.main-container {
    gap: 20px;
    overflow: visible;
}

.content-wrapper {
    max-width: 100%;
}

.post-list {
    gap: 18px;
}