/* Panel-specific styles (extends design-tokens.css) */

/* --- Nav ---------------------------------------------------- */
.rp-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.rp-nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--content-padding);
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rp-nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.rp-nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
}

.rp-logo--nav {
    width: 32px;
    height: 32px;
    margin-bottom: 0;
    border-radius: 8px;
}
.rp-logo--nav svg {
    width: 16px;
    height: 16px;
}

.rp-nav-brand {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
}

.rp-nav-links {
    display: flex;
    gap: var(--spacing-xs);
}

.rp-nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.rp-nav-link:hover {
    color: var(--color-text);
    background: var(--color-surface);
}
.rp-nav-link--active {
    color: var(--color-text);
    background: var(--color-surface);
}

.rp-nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.rp-nav-user {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.rp-nav-link--logout {
    color: var(--color-text-faint);
}

/* --- Main layout -------------------------------------------- */
.rp-main {
    padding-top: 56px; /* nav height */
}

.rp-page {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--content-padding);
}

/* --- Page titles -------------------------------------------- */
.rp-section-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin: var(--spacing-2xl) 0 var(--spacing-md);
}

/* --- Metrics grid ------------------------------------------- */
.rp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.rp-metric-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
}

.rp-metric-card--wide {
    grid-column: 1 / -1;
}

.rp-metric-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.rp-metric-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-extra);
    letter-spacing: var(--letter-spacing-tight);
}

.rp-metric-detail {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Progress bar */
.rp-metric-bar {
    height: 8px;
    background: rgba(255,255,255,0.06);
    border-radius: 4px;
    overflow: hidden;
    margin-top: var(--spacing-xs);
}

.rp-metric-bar-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 4px;
    transition: width 0.5s ease, background 0.3s ease;
}
.rp-metric-bar--warning { background: var(--color-warning); }
.rp-metric-bar--danger { background: var(--color-error); }

/* --- Knowledge project sections ----------------------------- */
.rp-knowledge-project {
    margin-bottom: var(--spacing-xl);
}

.rp-knowledge-project-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semi);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-xs);
}

/* --- Breadcrumb -------------------------------------------- */
.rp-breadcrumb {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.rp-breadcrumb a {
    color: var(--color-accent-light);
    text-decoration: none;
}
.rp-breadcrumb a:hover {
    text-decoration: underline;
}
.rp-breadcrumb-sep {
    margin: 0 var(--spacing-xs);
    color: var(--color-text-faint);
}

/* --- Utility ----------------------------------------------- */
.rp-loading {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    padding: var(--spacing-lg);
    text-align: center;
}

.rp-empty {
    color: var(--color-text-faint);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xl);
    text-align: center;
}

/* --- Login form -------------------------------------------- */
.rp-login-form {
    text-align: left;
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 640px) {
    .rp-nav-brand {
        display: none;
    }
    .rp-nav-links {
        gap: 0;
    }
    .rp-nav-link {
        padding: 6px 8px;
        font-size: var(--font-size-xs);
    }
    .rp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rp-metric-card--wide {
        grid-column: 1 / -1;
    }
}