/* ============================================================
   Procurement Notices — Front-end Styles
   ============================================================ */

:root {
    --pn-primary:     #1a4f8a;
    --pn-primary-lt:  #e8f0f9;
    --pn-accent:      #0073e6;
    --pn-success:     #15803d;
    --pn-success-lt:  #dcfce7;
    --pn-warn:        #b45309;
    --pn-warn-lt:     #fef3c7;
    --pn-archived:    #64748b;
    --pn-archived-lt: #f1f5f9;
    --pn-border:      #e2e8f0;
    --pn-text:        #1e293b;
    --pn-text-muted:  #64748b;
    --pn-white:       #ffffff;
    --pn-radius:      10px;
    --pn-shadow:      0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.05);
    --pn-shadow-hover:0 4px 12px rgba(0,0,0,.12), 0 8px 32px rgba(0,0,0,.08);
    --pn-transition:  200ms cubic-bezier(.4,0,.2,1);
    --pn-font:        inherit;
}

/* ── Wrapper ── */
.pn-wrapper {
    font-family: var(--pn-font);
    color: var(--pn-text);
    max-width: 860px;
    margin: 0 auto;
    padding: 0 0 48px;
}

/* ── Header ── */
.pn-header {
    margin-bottom: 28px;
}
.pn-header__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--pn-primary);
    margin: 0 0 6px;
    line-height: 1.2;
}
.pn-header__sub {
    color: var(--pn-text-muted);
    margin: 0;
    font-size: .95rem;
}

/* ── Tabs ── */
.pn-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--pn-border);
    margin-bottom: 28px;
}
.pn-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 20px;
    font-size: .9rem;
    font-weight: 600;
    color: var(--pn-text-muted);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: color var(--pn-transition), border-color var(--pn-transition);
    border-radius: 6px 6px 0 0;
}
.pn-tab svg { width: 15px; height: 15px; flex-shrink: 0; }
.pn-tab:hover { color: var(--pn-primary); background: var(--pn-primary-lt); }
.pn-tab--active {
    color: var(--pn-primary);
    border-bottom-color: var(--pn-primary);
    background: var(--pn-primary-lt);
}
.pn-tab__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-size: .75rem;
    font-weight: 700;
    background: var(--pn-primary);
    color: var(--pn-white);
    border-radius: 20px;
}
.pn-tab__count--muted {
    background: var(--pn-border);
    color: var(--pn-text-muted);
}

/* ── Panels ── */
.pn-panel--hidden { display: none !important; }

/* ── Cards ── */
.pn-list { display: flex; flex-direction: column; gap: 14px; }

.pn-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: var(--pn-white);
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius);
    padding: 20px 24px;
    box-shadow: var(--pn-shadow);
    transition: box-shadow var(--pn-transition), transform var(--pn-transition);
    border-left: 4px solid var(--pn-primary);
}
.pn-card:hover {
    box-shadow: var(--pn-shadow-hover);
    transform: translateY(-1px);
}
.pn-card--archived {
    border-left-color: var(--pn-archived);
    background: var(--pn-archived-lt);
    opacity: .85;
}

.pn-card__body { flex: 1; min-width: 0; }
.pn-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pn-text);
    margin: 0 0 10px;
    line-height: 1.4;
}
.pn-card--archived .pn-card__title { color: var(--pn-archived); }

.pn-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}
.pn-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: .825rem;
    color: var(--pn-text-muted);
}
.pn-meta-item svg { width: 13px; height: 13px; flex-shrink: 0; }
.pn-meta-item--urgent { color: var(--pn-warn); font-weight: 600; }

/* ── Badge ── */
.pn-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .02em;
    text-transform: uppercase;
}
.pn-badge--urgent {
    background: var(--pn-warn-lt);
    color: var(--pn-warn);
    border: 1px solid #fcd34d;
}

/* ── Download button ── */
.pn-card__download { flex-shrink: 0; }

.pn-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: var(--pn-primary);
    color: var(--pn-white) !important;
    text-decoration: none !important;
    border-radius: 8px;
    font-size: .875rem;
    font-weight: 600;
    transition: background var(--pn-transition), transform var(--pn-transition);
    white-space: nowrap;
}
.pn-download-btn:hover {
    background: var(--pn-accent);
    transform: translateY(-1px);
    color: var(--pn-white) !important;
}
.pn-card--archived .pn-download-btn {
    background: var(--pn-archived);
}
.pn-card--archived .pn-download-btn:hover {
    background: #475569;
}
.pn-download-btn__icon svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.pn-download-btn__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.pn-download-btn__label { font-weight: 700; }
.pn-download-btn__meta {
    font-size: .7rem;
    opacity: .75;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* ── Archived note ── */
.pn-archived-note {
    background: var(--pn-archived-lt);
    border: 1px solid var(--pn-border);
    border-radius: 8px;
    padding: 10px 16px;
    font-size: .85rem;
    color: var(--pn-text-muted);
    margin-bottom: 20px;
}

/* ── Empty state ── */
.pn-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 56px 20px;
    text-align: center;
    color: var(--pn-text-muted);
    background: var(--pn-primary-lt);
    border-radius: var(--pn-radius);
    border: 1px dashed var(--pn-border);
}
.pn-empty svg {
    width: 56px;
    height: 56px;
    opacity: .3;
    margin-bottom: 16px;
    stroke: var(--pn-primary);
}
.pn-empty p { font-weight: 600; font-size: 1rem; margin: 0 0 4px; }
.pn-empty span { font-size: .875rem; }

/* ── Responsive ── */
@media (max-width: 600px) {
    .pn-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .pn-card__download { width: 100%; }
    .pn-download-btn { width: 100%; justify-content: center; }
    .pn-tabs { overflow-x: auto; }
    .pn-tab { padding: 9px 14px; font-size: .82rem; }
}