/* =============================================================
   PDF Public Library – Frontend Styles
   ============================================================= */

/* ── Wrap ── */
.ppl-library-wrap {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px 40px;
    color: #1e293b;
}

/* ── Upload Section ── */
.ppl-upload-section {
    margin-bottom: 32px;
}

.ppl-upload-box {
    border: 2px dashed #c7d2fe;
    border-radius: 16px;
    background: #f8f9ff;
    padding: 40px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
}
.ppl-upload-box:hover,
.ppl-upload-box.ppl-drag-over {
    border-color: #4f46e5;
    background: #eef2ff;
}

.ppl-upload-icon svg {
    width: 64px;
    height: 64px;
    margin-bottom: 14px;
}

.ppl-upload-headline {
    font-size: 1.05rem;
    font-weight: 600;
    color: #374151;
    margin: 0 0 6px;
}
.ppl-browse-link {
    color: #4f46e5;
    cursor: pointer;
    text-decoration: underline;
    font-weight: 700;
}
.ppl-upload-sub {
    font-size: .85rem;
    color: #94a3b8;
    margin: 0;
}

/* ── Progress Bar ── */
.ppl-progress-wrap {
    margin-top: 18px;
}
.ppl-progress-bar-track {
    background: #e2e8f0;
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
}
.ppl-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #4f46e5, #7c3aed);
    border-radius: 999px;
    transition: width .3s ease;
}
.ppl-progress-label {
    font-size: .82rem;
    color: #64748b;
    margin: 8px 0 0;
    text-align: center;
}

/* ── Messages ── */
.ppl-message {
    margin-top: 14px;
    padding: 12px 18px;
    border-radius: 10px;
    font-size: .9rem;
    font-weight: 500;
}
.ppl-message.ppl-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}
.ppl-message.ppl-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ── Stats Bar ── */
.ppl-stats-bar {
    font-size: .9rem;
    color: #64748b;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}
.ppl-stats-bar span {
    font-weight: 700;
    color: #4f46e5;
    font-size: 1rem;
}

/* ── Empty State ── */
.ppl-empty {
    text-align: center;
    color: #94a3b8;
    font-size: 1rem;
    padding: 48px 0;
    grid-column: 1 / -1;
}

/* ── PDF Grid ── */
.ppl-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
}

/* ── Card ── */
.ppl-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    transition: transform .2s, box-shadow .2s;
    display: flex;
    flex-direction: column;
}
.ppl-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(79,70,229,.12);
}

.ppl-thumb-wrap {
    position: relative;
    background: #f1f5f9;
    aspect-ratio: 3/4;
    overflow: hidden;
}
.ppl-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .3s;
}
.ppl-card:hover .ppl-thumb-wrap img {
    transform: scale(1.03);
}
.ppl-thumb-overlay {
    position: absolute;
    top: 8px;
    right: 8px;
}
.ppl-pdf-badge {
    background: #4f46e5;
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .06em;
    padding: 3px 7px;
    border-radius: 6px;
    text-transform: uppercase;
}

.ppl-card-body {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}
.ppl-file-name {
    font-size: .88rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ppl-date {
    font-size: .75rem;
    color: #94a3b8;
    margin: 0;
}

/* ── Buttons ── */
.ppl-actions {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}
.ppl-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 7px 6px;
    border-radius: 8px;
    font-size: .78rem;
    font-weight: 600;
    text-decoration: none;
    transition: background .18s, color .18s;
    cursor: pointer;
}
.ppl-btn svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}
.ppl-btn-view {
    background: #eef2ff;
    color: #4f46e5;
    border: 1px solid #c7d2fe;
}
.ppl-btn-view:hover {
    background: #4f46e5;
    color: #fff;
    border-color: #4f46e5;
}
.ppl-btn-download {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}
.ppl-btn-download:hover {
    background: #16a34a;
    color: #fff;
    border-color: #16a34a;
}

/* ── Card entrance animation ── */
@keyframes pplFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.ppl-card-new {
    animation: pplFadeIn .35s ease forwards;
}

/* ── Responsive ── */
@media (max-width: 600px) {
    .ppl-upload-box { padding: 28px 16px; }
    .ppl-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
}

/* ── Auth Notice (guest users) ── */
.ppl-auth-notice {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    background: #FFFBEB;
    border: 2px dashed #FCD34D;
    border-radius: 16px;
    padding: 36px 24px;
    text-align: center;
}
.ppl-auth-icon svg {
    width: 64px;
    height: 64px;
}
.ppl-auth-headline {
    font-size: 1.2rem;
    font-weight: 700;
    color: #92400E;
    margin: 0;
}
.ppl-auth-sub {
    font-size: 0.9rem;
    color: #B45309;
    margin: 0;
}
.ppl-auth-buttons {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    flex-wrap: wrap;
    justify-content: center;
}
.ppl-btn-register {
    background: #4F46E5;
    color: #fff !important;
    border: none;
}
.ppl-btn-register:hover {
    background: #4338CA;
}
.ppl-btn-login {
    background: #fff;
    color: #4F46E5 !important;
    border: 2px solid #4F46E5;
}
.ppl-btn-login:hover {
    background: #EEF2FF;
}