:root {
    --bg-primary: #09090b;
    --bg-secondary: #0f0f13;
    --bg-card: #15151a;
    --bg-card-hover: #1a1a22;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --border: #27272a;
    --border-light: #3f3f46;
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-glow: rgba(139, 92, 246, 0.15);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px var(--primary-glow);
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f4f4f5;
    --text-primary: #09090b;
    --text-secondary: #52525b;
    --text-tertiary: #a1a1aa;
    --border: #e4e4e7;
    --border-light: #d4d4d8;
    --primary-glow: rgba(139, 92, 246, 0.1);
    --success-glow: rgba(16, 185, 129, 0.1);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.15);
}

/* Reset & Base */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background var(--transition-smooth), color var(--transition-smooth);
    overflow-x: hidden;
}

#app {
    display: flex;
    min-height: 100vh;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Sidebar - Glass Morphism Effect */
.sidebar {
    width: 300px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-spring);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: 28px 24px 20px;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-spring), box-shadow var(--transition-smooth);
    position: relative;
}

.logo-icon:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}

.logo-icon i {
    font-size: 20px;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, #a78bfa 50%, #c4b5fd 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: -0.5px;
    animation: shimmer 2s ease-in-out infinite;
    background-size: 200% 100%;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.version-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    background: var(--primary-glow);
    border-radius: 20px;
    color: var(--primary);
    letter-spacing: 0.5px;
}

/* API Key Input - Refined */
.api-key-sidebar {
    margin: 16px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border);
    transition: all var(--transition-smooth);
    position: relative;
}

.api-key-sidebar:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    transform: translateY(-1px);
}

.key-icon {
    color: var(--text-tertiary);
    font-size: 14px;
    transition: color var(--transition-fast);
}

.api-key-sidebar:focus-within .key-icon {
    color: var(--primary);
}

.sidebar-api-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 12px;
    padding: 6px 0;
    font-family: 'SF Mono', 'Fira Code', monospace;
    letter-spacing: 0.3px;
}

.sidebar-api-input::placeholder {
    color: var(--text-tertiary);
    font-family: 'Inter', sans-serif;
    letter-spacing: 0;
}

.sidebar-api-input:focus {
    outline: none;
}

.sidebar-key-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.sidebar-key-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.sidebar-key-btn:active {
    transform: translateY(0);
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-section {
    margin-bottom: 20px;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-tertiary);
    padding: 0 14px;
    margin-bottom: 8px;
}

/* ============================================
   NAVIGATION STYLES - COMPLETO E CORRIGIDO
   ============================================ */

/* Nav Links e Botões de Grupo */
.nav-link, .nav-group-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    width: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.nav-link::before, .nav-group-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-glow), transparent);
    transition: width var(--transition-smooth);
}

.nav-link:hover, .nav-group-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: translateX(2px);
}

.nav-link:hover::before, .nav-group-btn:hover::before {
    width: 100%;
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-glow);
    font-weight: 600;
}

.nav-link.active::before {
    display: none;
}

/* Ícones dos links e botões */
.nav-link i, .nav-group-btn i {
    width: 20px;
    font-size: 14px;
    text-align: center;
    transition: transform var(--transition-smooth);
}

.nav-link:hover i, .nav-group-btn:hover i {
    transform: scale(1.1);
}

/* Grupo de Navegação */
.nav-group {
    margin-bottom: 0; /* Remove espaço entre grupos */
}

/* Chevron do botão do grupo */
.nav-group-btn .chevron {
    margin-left: auto;
    transition: transform var(--transition-smooth);
    font-size: 10px;
}

.nav-group.open .nav-group-btn .chevron {
    transform: rotate(180deg);
}

/* Container dos itens do grupo - FECHADO por padrão */
.nav-group-items {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--transition-smooth);
    overflow: hidden;
    visibility: hidden;
    height: 0;
    margin: 0;
    padding: 0;
}

/* Container dos itens do grupo - ABERTO */
.nav-group.open .nav-group-items {
    grid-template-rows: 1fr;
    visibility: visible;
    height: auto;
    margin-top: 4px;
    margin-bottom: 4px;
}

/* Container interno que segura os itens */
.nav-group-items > div,
.nav-group-items-inner {
    min-height: 0;
    overflow: hidden;
}

/* Itens do Submenu */
.nav-sub {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    min-height: 0;
    overflow: hidden;
    pointer-events: none; /* Remove cliques quando fechado */
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), 
                visibility var(--transition-smooth),
                background var(--transition-fast),
                color var(--transition-fast),
                transform var(--transition-fast);
}

.nav-sub:hover {
    background: var(--primary-glow);
    color: var(--text-primary);
    transform: translateX(2px);
}

/* Quando o grupo está ABERTO, os itens ficam visíveis e clicáveis */
.nav-group.open .nav-sub {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
}

/* Badge de método HTTP nos subitens */
.nav-sub .method-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 9px;
    font-weight: 700;
    min-width: 36px;
    text-align: center;
    letter-spacing: 0.5px;
}

.nav-sub .method-badge.get {
    background: var(--success-glow);
    color: var(--success);
}

.nav-sub .method-badge.post {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.nav-sub .method-badge.put {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.nav-sub .method-badge.delete {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.method-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 9px;
    font-weight: 700;
    min-width: 36px;
    text-align: center;
    letter-spacing: 0.5px;
}

.method-badge.get {
    background: var(--success-glow);
    color: var(--success);
}

.method-badge.post {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.method-badge.put {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.method-badge.delete {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* Badge pulse animation */
.badge-pulse {
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    font-size: 11px;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
    animation: statusGlow 2s ease-in-out infinite;
}

@keyframes statusGlow {
    0%, 100% { box-shadow: 0 0 4px rgba(16, 185, 129, 0.3); }
    50% { box-shadow: 0 0 12px rgba(16, 185, 129, 0.6); }
}

.status-dot.warning {
    background: var(--warning);
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
    animation: statusGlowWarning 2s ease-in-out infinite;
}

@keyframes statusGlowWarning {
    0%, 100% { box-shadow: 0 0 4px rgba(245, 158, 11, 0.3); }
    50% { box-shadow: 0 0 12px rgba(245, 158, 11, 0.6); }
}

.global-requests {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    font-size: 11px;
    font-weight: 500;
}

.request-counter {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    font-family: 'SF Mono', 'Fira Code', monospace;
    color: var(--primary);
}

.theme-toggle {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-primary);
    border-radius: 30px;
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border);
}

.theme-toggle i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-smooth);
    font-size: 14px;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.theme-toggle i.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 300px;
    padding: 32px 40px;
    min-height: 100vh;
    transition: margin-left var(--transition-spring);
}

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 40px;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px;
    cursor: pointer;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.menu-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

.stat-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-secondary);
    padding: 8px 16px;
    border-radius: 40px;
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.stat-chip:hover {
    border-color: var(--border-light);
    transform: translateY(-1px);
}

.stat-chip i {
    font-size: 14px;
    color: var(--primary);
}

/* Welcome Section - Premium Gradient */
.welcome-section {
    background: linear-gradient(135deg, 
        var(--primary) 0%, 
        #6d28d9 25%, 
        var(--primary-dark) 50%, 
        #5b21b6 100%
    );
    border-radius: var(--radius-2xl);
    padding: 48px;
    margin-bottom: 40px;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.3);
}

.welcome-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatGlow 6s ease-in-out infinite;
}

@keyframes floatGlow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.welcome-content {
    position: relative;
    z-index: 1;
}

.welcome-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -1px;
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-desc {
    opacity: 0.9;
    font-size: 15px;
    max-width: 600px;
    font-weight: 400;
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s backwards;
}

.welcome-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards;
}

.welcome-btn {
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.welcome-btn.primary-btn {
    background: white;
    color: var(--primary-dark);
}

.welcome-btn.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.welcome-btn.secondary-btn {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    backdrop-filter: blur(10px);
}

.welcome-btn.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.api-badge {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s backwards;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition-smooth);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, var(--primary-glow));
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.stat-icon i {
    font-size: 24px;
}

.stat-icon.purple {
    background: var(--primary-glow);
    color: var(--primary);
}

.stat-icon.green {
    background: var(--success-glow);
    color: var(--success);
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.stat-info {
    position: relative;
    z-index: 1;
}

.stat-info h3 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    font-variant-numeric: tabular-nums;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.stat-info p {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    margin-top: 4px;
}

.stat-trend.up {
    color: var(--success);
}

.stat-trend.down {
    color: var(--danger);
}

/* Section */
.section {
    margin-bottom: 48px;
    animation: fadeInUp 0.5s ease-out;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.5px;
}

.section-title i {
    color: var(--primary);
    font-size: 18px;
}

/* Endpoints List */
.endpoints-list {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.endpoint-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    transition: all var(--transition-fast);
    cursor: default;
}

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

.endpoint-item:last-child {
    border-bottom: none;
}

.endpoint-method {
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.endpoint-method.get {
    background: var(--success-glow);
    color: var(--success);
}

.endpoint-method.post {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.endpoint-path {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 13px;
    flex: 1;
    font-weight: 500;
    letter-spacing: -0.2px;
}

.endpoint-desc {
    color: var(--text-secondary);
    font-size: 12px;
    max-width: 200px;
    text-align: right;
}

.endpoint-copy {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.endpoint-copy:hover {
    background: var(--primary-glow);
    color: var(--primary);
    transform: scale(1.1);
}

.endpoint-copy.copied {
    color: var(--success);
    background: var(--success-glow);
}

/* Request Card - Professional */
.request-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
}

.request-card:hover {
    box-shadow: var(--shadow-md);
}

.request-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.method-select {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.method-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.method-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.url-input-wrapper {
    flex: 1;
    position: relative;
}

.request-input {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 13px;
    transition: all var(--transition-fast);
}

.request-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.request-input::placeholder {
    color: var(--text-tertiary);
}

.send-btn {
    padding: 10px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

.send-btn:active {
    transform: translateY(0);
}

.send-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.send-btn i {
    animation: spin 1s linear infinite;
    display: none;
}

.send-btn.loading i {
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.request-body {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px;
    margin-top: 16px;
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
    transition: all var(--transition-fast);
}

.request-body:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Response Preview */
.response-preview {
    margin-top: 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.response-header {
    padding: 12px 20px;
    background: var(--bg-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.response-status {
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-code {
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.status-code.success {
    background: var(--success-glow);
    color: var(--success);
}

.status-code.error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.response-time {
    font-size: 11px;
    color: var(--text-tertiary);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.response-actions {
    display: flex;
    gap: 8px;
}

.response-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.response-action-btn:hover {
    background: var(--primary-glow);
    color: var(--primary);
}

.response-body {
    padding: 20px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px;
    overflow-x: auto;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
    line-height: 1.6;
    position: relative;
}

/* Code syntax highlighting basics */
.json-key {
    color: var(--info);
}

.json-string {
    color: var(--success);
}

.json-number {
    color: var(--warning);
}

.json-boolean {
    color: var(--primary);
}

.hidden {
    display: none !important;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 13px;
    font-weight: 500;
    z-index: 1000;
    animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast.success {
    border-left: 3px solid var(--success);
}

.toast.error {
    border-left: 3px solid var(--danger);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        padding: 24px;
    }
    
    .welcome-section {
        padding: 32px;
    }
    
    .welcome-title {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
        backdrop-filter: blur(4px);
    }
    
    .sidebar.open + .sidebar-overlay {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: auto;
    }
    
    .top-bar {
        justify-content: space-between;
    }
    
    .welcome-section {
        padding: 28px;
        border-radius: var(--radius-xl);
    }
    
    .welcome-title {
        font-size: 24px;
    }
    
    .welcome-actions {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-info h3 {
        font-size: 24px;
    }
    
    .request-header {
        flex-wrap: wrap;
    }
    
    .endpoint-item {
        flex-wrap: wrap;
        padding: 12px 16px;
    }
    
    .endpoint-desc {
        display: none;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-title {
        font-size: 20px;
    }
    
    .stat-chip {
        font-size: 11px;
        padding: 6px 12px;
    }
    
    .request-card {
        padding: 16px;
    }
    
    .method-select {
        width: 100%;
    }
}

/* Utility Classes */
.text-primary {
    color: var(--primary);
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.font-mono {
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.font-bold {
    font-weight: 700;
}

.select-none {
    user-select: none;
    -webkit-user-select: none;
}

/* Loading skeleton animation */
@keyframes shimmer2 {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, 
        var(--bg-primary) 25%, 
        var(--bg-card) 50%, 
        var(--bg-primary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer2 1.5s infinite;
    border-radius: var(--radius-sm);
}