:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-bg: #ffffff;
    --bg-color: #f3f4f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
}

body {
    background-color: var(--bg-color);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
    background: var(--primary-gradient);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Cards */
.card {
    border: none;
    border-radius: 16px;
    background: var(--card-bg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Tabs */
.nav-pills .nav-link {
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.nav-pills .nav-link.active {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 6px rgba(118, 75, 162, 0.3);
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #e5e7eb;
    overflow: hidden;
}

.progress-bar {
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-action {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Table */
.table th {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom-width: 1px;
}

.table td {
    vertical-align: middle;
    padding: 1rem 0.75rem;
}

.status-badge {
    padding: 0.25em 0.8em;
    border-radius: 50px;
    font-size: 0.75em;
    font-weight: 600;
}

/* Token Box */
.token-container {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.25rem;
    display: flex;
    align-items: center;
}

.token-container input {
    border: none;
    background: transparent;
    font-family: 'Monaco', monospace;
    font-size: 0.85rem;
    color: #475569;
    width: 100%;
    outline: none;
}

.token-container button {
    background: white;
    border: 1px solid #cbd5e1;
    color: #64748b;
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 0.8rem;
}

.token-container button:hover {
    border-color: #94a3b8;
    color: #334155;
}