:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg-slate: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --glass-bg: #ffffff;
    --glass-border: #e2e8f0;
    --glass-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--bg-slate);
    min-height: 100vh;
}

/* EncodeCore Surface Panel */
.glass-panel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    box-shadow: var(--glass-shadow);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: 0.75rem;
    padding: 0.55rem 1.15rem;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.08);
}

.control-btn {
    border-radius: 0.75rem;
    padding: 0.45rem 0.95rem;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    text-decoration: none;
}

.control-btn-secondary {
    background-color: #ffffff;
    color: #334155;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 2px 0 rgba(0,0,0,0.02);
}

.control-btn-secondary:hover {
    background-color: #f8fafc;
    color: #0f172a;
    border-color: #cbd5e1;
}

.control-btn-muted {
    background-color: #f8fafc;
    color: #475569;
    border: 1px solid #e2e8f0;
}

.control-btn-muted:hover {
    background-color: #f1f5f9;
    color: #0f172a;
}

/* Badges */
.badge-status {
    border-radius: 9999px;
    padding: 0.2rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.badge-counter {
    background: #f1f5f9;
    color: #475569;
    border-radius: 9999px;
    padding: 0.15rem 0.5rem;
    font-size: 0.72rem;
    font-weight: 700;
    margin-left: 0.35rem;
}

/* Workflow tabs */
.workflow-tab {
    padding: 0.55rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    border: 1px solid transparent;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
}

.workflow-tab:hover {
    background-color: #f1f5f9;
    color: var(--text-main);
}

.workflow-tab.active {
    background-color: #eef2ff;
    color: var(--primary);
    border-color: rgba(99, 102, 241, 0.2);
    font-weight: 700;
}