/* ==================== Layout ==================== */

/* Global Header */
.global-header {
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

/* App Container */
.app-container {
    display: flex;
    width: 100%;
    height: calc(100vh - 64px);
}

/* Left Sidebar */
.sidebar-left {
    width: 240px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 16px;
    background-color: var(--sidebar-bg);
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width 0.3s ease;
    flex-shrink: 0;
}

/* Sidebar Footer */
.sidebar-footer {
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* Social Links */
.sidebar-social-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.social-link {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    color: #6b7280;
    transition: all 0.2s ease;
}

.social-link:hover {
    color: var(--text-primary);
}

/* Footer Links */
.sidebar-footer-links {
    display: flex;
    align-items: center;
    font-size: 11px;
    color: #9ca3af;
    margin-bottom: 4px;
}

.sidebar-footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s;
}

.sidebar-footer-links a:hover {
    color: var(--text-secondary);
}

.sidebar-footer-links .divider {
    margin: 0 6px;
    opacity: 0.4;
}

.sidebar-footer-links .copyright {
    color: #9ca3af;
}

/* Sidebar Toggle Button - Refined Minimal Style */
.sidebar-toggle {
    width: 26px;
    height: 26px;
    padding: 0;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #fafafa;
    color: #9ca3af;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: #f3f4f6;
    color: #6b7280;
    border-color: #d1d5db;
}

.sidebar-toggle:active {
    transform: scale(0.95);
}

.sidebar-toggle .icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

/* Collapsed Sidebar State */
.sidebar-left.collapsed {
    width: 68px;
    padding: 16px 10px;
}

.sidebar-left.collapsed .sidebar-footer {
    border-top: none;
    padding-top: 0;
}

.sidebar-left.collapsed .sidebar-social-links {
    justify-content: center;
}

.sidebar-left.collapsed .sidebar-social-links .social-link:not(.sidebar-toggle) {
    display: none;
}

.sidebar-left.collapsed .sidebar-social-links .sidebar-toggle {
    margin-left: 0;
}

.sidebar-left.collapsed .sidebar-footer-links {
    display: none;
}

.sidebar-left.collapsed .sidebar-toggle .icon {
    transform: rotate(180deg);
}

.sidebar-left.collapsed .nav-item span,
.sidebar-left.collapsed .nav-group > div[style*="font-size: 12px"],
.sidebar-left.collapsed .sidebar-subscribe-btn span,
.sidebar-left.collapsed .sidebar-api-btn {
    display: none;
}

.sidebar-left.collapsed .nav-item {
    justify-content: center;
    padding: 10px;
}

.sidebar-left.collapsed .nav-item .icon {
    margin: 0;
}

.sidebar-left.collapsed .sidebar-subscribe-btn {
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
}

.sidebar-left.collapsed .sidebar-subscribe-btn .icon {
    margin: 0;
    width: 22px;
    height: 22px;
}

.sidebar-left.collapsed .sidebar-subscribe-section {
    margin-bottom: 12px !important;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: bold;
    font-size: 18px;
    color: #4f46e5;
}

.nav-group {
    margin-bottom: 24px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.nav-item:hover {
    background-color: #f3f4f6;
    color: var(--text-primary);
}

.nav-item.active {
    background-color: #f3f4f6;
    color: var(--text-primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

/* Sidebar Buttons */
.sidebar-subscribe-btn {
    width: 100%;
    padding: 10px;
    border: 1px solid #6366f1;
    border-radius: 24px;
    background: white;
    color: #6366f1;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    transition: all 0.2s;
}

.sidebar-subscribe-btn:hover {
    background: #e0e7ff;
}

.sidebar-api-btn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 24px;
    background: #f3f4f6;
    color: #4b5563;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-api-btn:hover {
    background: #e5e7eb;
    color: #111827;
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px 40px 100px 40px;
    background-color: var(--bg-color);
    overflow-y: auto;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

/* App Header */
.app-header {
    margin-bottom: 24px;
}

.app-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.header-tabs {
    display: flex;
    gap: 12px;
}

.header-tab {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: white;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.header-tab.active {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

.header-tab.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--panel-bg);
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

/* Header Subscribe Button */
.header-subscribe-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid #8b5cf6;
    border-radius: 20px;
    background: transparent;
    color: #8b5cf6;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.header-subscribe-btn:hover {
    background: #f3e8ff;
    transform: translateY(-1px);
}

.header-subscribe-btn svg {
    width: 16px;
    height: 16px;
}