/* ShillTracker - Clean Modern Design */
:root {
    /* Colors - Claude Design System inspired */
    --color-primary: #6366F1;
    --color-primary-dark: #4F46E5;
    --color-primary-light: #818CF8;
    --color-secondary: #8B5CF6;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;

    /* Neutral palette */
    --color-bg: #FAFAFA;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --color-text-primary: #111827;
    --color-text-secondary: #6B7280;
    --color-text-tertiary: #9CA3AF;

    /* Sidebar */
    --sidebar-width: 240px;
    --sidebar-bg: #FFFFFF;
    --sidebar-border: #E5E7EB;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Layout */
body {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--sidebar-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.75rem var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    margin-bottom: var(--spacing-xs);
}

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

.nav-item.active {
    background: var(--color-primary);
    color: white;
}

.nav-item svg {
    flex-shrink: 0;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--sidebar-border);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.status-dot.error {
    background: var(--color-danger);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.header-left h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.stats-row {
    display: flex;
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--color-bg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    min-width: 120px;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-value.highlight {
    color: var(--color-primary);
}

.stat-value.secondary {
    color: var(--color-secondary);
}

/* Views */
.view {
    display: none;
    padding: var(--spacing-xl);
    animation: fadeIn 0.3s ease-out;
}

.view.active {
    display: block;
}

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

/* Grid */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

/* Cards */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-body:empty {
    padding: 0;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-sm, .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

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

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

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-sm.active {
    background: var(--color-primary);
    color: white;
}

.btn-icon {
    padding: 0.5rem;
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-icon:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
}

.btn-group {
    display: flex;
    gap: var(--spacing-xs);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

/* Controls */
.controls-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
}

.select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Table */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: var(--color-bg);
}

.table th {
    padding: 0.75rem var(--spacing-md);
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
}

.table td {
    padding: var(--spacing-md);
    font-size: 0.875rem;
    border-bottom: 1px solid var(--color-border);
}

.table tbody tr:hover {
    background: var(--color-bg);
}

.table.table-sm td,
.table.table-sm th {
    padding: 0.5rem var(--spacing-sm);
}

/* Calls Grid */
.calls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.call-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.2s;
}

.call-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.call-card.collab {
    border-left: 3px solid var(--color-warning);
}

.call-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.call-ticker {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.call-chain {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.call-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.call-meta .value {
    color: var(--color-text-primary);
    font-weight: 500;
}

.call-volume {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.volume-item {
    display: flex;
    flex-direction: column;
}

.volume-label {
    font-size: 0.6875rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.volume-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-success);
}

/* KOL List */
.kol-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

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

.kol-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.kol-rank {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.875rem;
}

.kol-name {
    font-weight: 500;
    color: var(--color-text-primary);
}

.kol-username {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.kol-stats {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.8125rem;
}

.kol-stat {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.kol-stat-label {
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
}

.kol-stat-value {
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Collab Card */
.collab-card {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.collab-card:last-child {
    border-bottom: none;
}

.collab-card .ticker {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.collab-card .kols {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.collab-card .originator {
    color: var(--color-warning);
    font-weight: 500;
}

.collab-card .volume {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-success);
}

/* Chart Placeholder */
.chart-placeholder {
    position: relative;
    width: 100%;
}

.chart-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    text-align: center;
}

/* Loading State */
.loading-state {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

/* Utility Classes */
.mt-4 { margin-top: var(--spacing-xl); }
.ml-auto { margin-left: auto; }

/* Responsive */
@media (max-width: 1200px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
    }

    .header {
        flex-direction: column;
        align-items: stretch;
    }

    .stats-row {
        flex-wrap: wrap;
    }

    .stat-card {
        flex: 1;
        min-width: 100px;
    }

    .calls-grid {
        grid-template-columns: 1fr;
    }
}