@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
    --primary: #3b82f6;       /* Blue 500 */
    --primary-hover: #2563eb; /* Blue 600 */
    --primary-light: #eff6ff;
    
    --secondary: #64748b;     /* Slate 500 */
    --secondary-hover: #475569;
    --secondary-light: #f8fafc;
    
    --success: #10b981;       /* Emerald 500 */
    --success-light: #ecfdf5;
    
    --danger: #ef4444;        /* Red 500 */
    --danger-light: #fef2f2;
    
    --warning: #f59e0b;       /* Amber 500 */
    --warning-light: #fffbeb;
    
    --info: #0ea5e9;          /* Sky 500 */
    --info-light: #f0f9ff;
    
    --background: #f1f5f9;    /* Clean modern backdrop */
    --card-bg: #ffffff;
    --text-main: #1e293b;     /* Slate 800 */
    --text-muted: #64748b;    /* Slate 500 */
    --border: #e2e8f0;        /* Slate 200 */
    --border-dark: #cbd5e1;   /* Slate 300 */

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    --transition: all 0.15s ease-in-out;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--background);
    color: var(--text-main);
    min-height: 100vh;
    padding: 24px;
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* ==================== HEADERS & SECTIONS ==================== */

.header, .section {
    background: var(--card-bg);
    padding: 24px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 1px solid var(--border);
}

h1 {
    color: var(--text-main);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

h2 {
    color: var(--text-main);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 14px;
}

svg {
    /* Baseline SVG normalization */
    width: 20px;
    height: 20px;
}

/* ==================== NAVIGATION TABS ==================== */

.nav-tabs {
    display: flex;
    gap: 4px;
    margin-top: 24px;
    background: var(--secondary-light);
    padding: 4px;
    border-radius: var(--radius-md);
    width: max-content;
    border: 1px solid var(--border);
}

.nav-tab {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-tab svg { width: 16px; height: 16px; }

.nav-tab:hover { color: var(--text-main); }

.nav-tab.active {
    background: var(--card-bg);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Tool Tabs */
.tool-tabs {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.tool-tab {
    padding: 12px 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.tool-tab svg { width: 16px; height: 16px; }
.tool-tab:hover { color: var(--text-main); }
.tool-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ==================== STAT CARDS ==================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

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

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg { width: 20px; height: 20px; }

.icon-blue { background: var(--info-light); color: var(--info); }
.icon-green { background: var(--success-light); color: var(--success); }
.icon-purple { background: var(--primary-light); color: var(--primary); }
.icon-orange { background: var(--warning-light); color: var(--warning); }

.stat-label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    color: var(--text-main);
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
}

/* ==================== TABLES ==================== */

.table-container {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--card-bg);
}

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

th {
    background: #f8fafc;
    padding: 12px 16px;
    text-align: left;
    font-weight: 500;
    font-size: 12px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

td {
    padding: 16px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    font-size: 14px;
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--background); }

.loading, .empty-state {
    text-align: center;
    padding: 48px !important;
    color: var(--text-muted);
}

.empty-state-icon { margin-bottom: 12px; color: var(--border-dark); }
.empty-state-icon svg { width: 48px; height: 48px; }

/* ==================== BADGES & TAGS ==================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    gap: 4px;
    white-space: nowrap;
}

.badge svg { width: 12px; height: 12px; }

.badge-success { background: var(--success-light); color: #047857; }
.badge-danger { background: var(--danger-light); color: #b91c1c; }
.badge-warning { background: var(--warning-light); color: #b45309; }
.badge-info { background: var(--info-light); color: #1d4ed8; }
.badge-secondary { background: var(--background); color: var(--text-muted); border: 1px solid var(--border); }

.copyable {
    color: var(--primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 13px;
    cursor: pointer;
    background: var(--primary-light);
    padding: 2px 6px;
    border-radius: 4px;
    transition: opacity 0.2s;
}

.copyable:hover { opacity: 0.8; }

/* ==================== BUTTONS ==================== */

.btn {
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    box-shadow: var(--shadow-sm);
}

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn:hover { background: var(--background); }
.btn:active { transform: scale(0.98); }

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

.btn-success { background: var(--success); color: white; border-color: var(--success); }
.btn-success:hover { background: #059669; border-color: #059669; }

.btn-danger { background: var(--danger); color: white; border-color: var(--danger); }
.btn-danger:hover { background: #dc2626; border-color: #dc2626; }

.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-sm svg { width: 14px; height: 14px; }

.btn-secondary { background: var(--card-bg); border-color: var(--border-dark); color: var(--text-main); box-shadow: none; }
.btn-secondary:hover { background: var(--background); }

.btn-icon { padding: 8px; }

/* ==================== FORMS & INPUTS ==================== */

.form-control, .form-select, input[type="text"], input[type="number"], input[type="date"], input[type="datetime-local"], input[type="url"], select {
    width: auto; /* Default to auto to fix header layout */
    max-width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    background: var(--card-bg);
    color: var(--text-main);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.form-control:focus, .form-select:focus, input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Force 100% width specifically inside form groups */
.form-group .form-control, .form-group input, .form-group select {
    width: 100%;
}

.form-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 8px; font-weight: 500; color: var(--text-main); font-size: 13px; }

/* Filter Container adjustments */
.filter-row {
    display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end;
}

/* ==================== LIVE LOG (LIGHT THEME) ==================== */

.live-log {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.log-header {
    background: var(--background);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#eventLog {
    max-height: 300px;
    overflow-y: auto;
    padding: 16px 20px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 13px;
}

.log-entry { margin-bottom: 12px; display: flex; gap: 16px; }
.log-time { color: var(--text-muted); white-space: nowrap; font-size: 12px; padding-top: 2px;}
.log-type { font-weight: 600; text-transform: uppercase; font-size: 12px; padding-top: 2px;}
.log-type.type-click { color: var(--info); }
.log-type.type-attribution { color: var(--success); }
.log-type.type-error { color: var(--danger); }

.log-details {
    background: var(--background);
    padding: 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-top: 4px;
    color: var(--text-main);
    word-break: break-all;
}

/* ==================== MODALS ==================== */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0; top: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
}

.modal.active { display: flex; align-items: center; justify-content: center; }

.modal-content {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* ==================== SWITCHES & PAGINATION ==================== */

.pagination {
    display: flex; align-items: center; gap: 12px; justify-content: flex-end; margin-top: 16px;
}

.switch { position: relative; display: inline-block; width: 40px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: var(--border-dark); transition: .3s; border-radius: 24px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .3s; border-radius: 50%; box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
input:checked + .slider { background-color: var(--success); }
input:checked + .slider:before { transform: translateX(16px); }

.success-message, .error-message {
    padding: 12px 16px; border-radius: var(--radius-md); margin-bottom: 20px; font-weight: 500; font-size: 14px;
}
.success-message { background: var(--success-light); color: #065f46; border: 1px solid #10b981; }
.error-message { background: var(--danger-light); color: #991b1b; border: 1px solid #ef4444; }

/* Helper Classes */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* Added missing layout classes */
.controls { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; background: var(--card-bg); border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.auto-refresh { display: flex; align-items: center; gap: 10px; }

/* Custom Select dropdown chevron */
select.form-select, select.form-control, select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2364748b%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 10px; padding-right: 36px; }

/* Filter Panel Collapsible */
.filter-panel { display: none; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; padding: 16px; background: var(--secondary-light); border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 20px; }
.filter-panel.active { display: grid; }
.filter-panel .form-group { margin-bottom: 0; }
.filter-panel label { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }

/* Testing tools tabs content */
.tool-content { display: none; }
.tool-content.active { display: block; }

/* Code Box Details */
.code-box { margin: 16px 0; background: var(--secondary-light); padding: 16px; border-radius: var(--radius-md); border: 1px solid var(--border); overflow-x: auto; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 13px; line-height: 1.6; color: var(--text); white-space: pre-wrap; word-break: break-word; }