/* thu-vien.css — Thư viện Prompt mẫu. Dùng biến theme của auth.css để tự khớp sáng/tối. */
.pl-wrap{max-width:1100px;margin:28px auto;padding:0 18px}
.pl-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.pl-ttl{font-size:26px;font-weight:800;color:var(--dark);letter-spacing:-.3px}
.pl-sub{font-size:13.5px;color:var(--mut);margin-top:3px}
.pl-search input{width:240px;max-width:100%;padding:9px 14px;border:1px solid var(--border);border-radius:10px;font-size:13.5px;background:var(--bg);color:var(--text)}
.pl-search input:focus{outline:none;border-color:var(--amber2)}

.pl-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.pl-chip{background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:7px 15px;color:var(--mut);font-size:12.5px;cursor:pointer;transition:.12s}
.pl-chip:hover{color:var(--dark);border-color:var(--amber2)}
.pl-chip.on{background:var(--amber2);border-color:var(--amber2);color:#1a1505;font-weight:700}

.pl-cats{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}
.pl-cat{background:transparent;border:1px solid var(--border);border-radius:7px;padding:5px 12px;color:var(--soft);font-size:12px;cursor:pointer;transition:.12s}
.pl-cat:hover{color:var(--dark)}
.pl-cat.on{background:#fff7e6;border-color:var(--amber);color:#b45309;font-weight:600}

/* Masonry (CSS columns): mỗi thẻ hiện ảnh đúng tỉ lệ gốc, không cắt, xếp so le */
.pl-grid{columns:220px;column-gap:16px}
.pl-card{break-inside:avoid;margin:0 0 16px;background:var(--bg2);border:1px solid var(--border);border-radius:14px;overflow:hidden;cursor:pointer;transition:border-color .12s,box-shadow .12s}
.pl-card:hover{border-color:var(--amber2);box-shadow:0 8px 20px rgba(20,20,40,.08)}
.pl-thumb{position:relative;background:var(--section);overflow:hidden;line-height:0}
.pl-thumb img,.pl-thumb video{width:100%;height:auto;display:block}
.pl-noimg{display:block;text-align:center;font-size:28px;color:var(--soft);padding:60px 0;line-height:1}
.pl-badge-model{position:absolute;top:8px;left:8px;background:rgba(0,0,0,.62);color:#fde68a;font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:6px;z-index:2}
.pl-badge-new{position:absolute;top:8px;right:8px;background:var(--amber2);color:#1a1505;font-size:10px;font-weight:800;padding:2px 8px;border-radius:6px;z-index:2}
.pl-body{padding:11px 12px}
.pl-card-ttl{font-size:14px;font-weight:700;color:var(--dark);line-height:1.3;margin-bottom:4px}
.pl-card-desc{font-size:12px;color:var(--mut);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.pl-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between}
.pl-uses{font-size:11px;color:var(--soft)}
.pl-copy{background:var(--amber2);color:#1a1505;border:0;border-radius:7px;padding:5px 14px;font-size:12px;font-weight:700;cursor:pointer}
.pl-copy:hover{filter:brightness(1.05)}

.pl-empty{padding:50px;text-align:center;color:var(--soft);font-size:13.5px;background:var(--bg2);border:1px solid var(--border);border-radius:14px}
.hidden{display:none}

/* Modal xem full prompt */
.pl-overlay{position:fixed;inset:0;background:rgba(10,10,20,.62);display:flex;align-items:center;justify-content:center;z-index:200;padding:18px}
.pl-overlay.hidden{display:none}
.pl-modal{position:relative;width:100%;max-width:560px;background:var(--bg2);border:1px solid var(--border);border-radius:16px;overflow:hidden;max-height:92vh;display:flex;flex-direction:column}
.pl-x{position:absolute;top:10px;right:12px;background:rgba(0,0,0,.5);border:none;color:#fff;width:30px;height:30px;border-radius:50%;font-size:14px;cursor:pointer;z-index:5}
.pl-x:hover{background:rgba(0,0,0,.8)}
.pl-modal-media{background:var(--section);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;min-height:120px}
.pl-modal-media img,.pl-modal-media video{display:block;max-width:100%;max-height:52vh;width:auto;height:auto}
.pl-modal-media .pl-noimg{font-size:34px;color:var(--soft);padding:44px 0}
.pl-modal-thumbs{display:flex;gap:6px;padding:8px 10px;overflow-x:auto;background:var(--section);border-bottom:1px solid var(--border)}
.pl-modal-thumbs img{width:54px;height:38px;object-fit:cover;border-radius:6px;cursor:pointer;flex:0 0 auto;border:2px solid transparent;opacity:.72}
.pl-modal-thumbs img:hover{opacity:1}
.pl-modal-thumbs img.on{border-color:var(--amber2);opacity:1}
.pl-modal-in{padding:15px 17px 17px;overflow-y:auto}
.pl-modal-hd{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.pl-modal-ttl{font-size:17px;font-weight:800;color:var(--dark)}
.pl-modal-cat{font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:5px;background:#fff7e6;color:#b45309}
.pl-modal-guide{white-space:pre-wrap;font-size:12.5px;line-height:1.6;color:var(--text);background:var(--section);border:1px solid var(--border);border-left:3px solid var(--amber2);border-radius:8px;padding:10px 12px;margin-bottom:14px}
.pl-modal-guide:empty{display:none}
.pl-modal-lbl{font-size:11px;color:var(--soft);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.pl-modal-prompt{background:var(--section);border:1px solid var(--border);border-radius:9px;padding:12px;font-family:Consolas,Menlo,monospace;font-size:12.5px;line-height:1.6;color:var(--text);white-space:pre-wrap;word-break:break-word;margin:0;max-height:240px;overflow-y:auto}
.pl-modal-actions{margin-top:14px}
.pl-btn-copy{width:100%;background:var(--amber2);color:#1a1505;border:0;border-radius:10px;padding:12px;font-size:14px;font-weight:800;cursor:pointer}
.pl-btn-copy:hover{filter:brightness(1.05)}

/* Tường đăng ký (khách chưa đăng nhập) */
.pl-lock{text-align:center;padding:14px 6px 4px}
.pl-lock-ic{font-size:30px;margin-bottom:8px}
.pl-lock-ttl{font-size:15.5px;font-weight:800;color:var(--dark);margin-bottom:5px}
.pl-lock-sub{font-size:12.5px;color:var(--mut);margin-bottom:14px;line-height:1.5}
.pl-lock-btn{display:block;background:var(--amber2);color:#1a1505;border-radius:10px;padding:12px;font-size:14px;font-weight:800;text-decoration:none;margin-bottom:8px}
.pl-lock-btn:hover{filter:brightness(1.05)}
.pl-lock-login{display:block;font-size:12.5px;color:var(--amber2);text-decoration:none}
.pl-lock-login:hover{text-decoration:underline}

/* Toast */
.pl-toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:var(--dark);color:#fff;padding:11px 22px;border-radius:10px;font-size:13.5px;font-weight:600;z-index:300;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.pl-toast.hidden{display:none}

@media(max-width:560px){.pl-grid{columns:150px}}