:root{
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --text:#2B2620;
  --text-secondary:#8A8175;
  --accent:#E86A4D;
  --accent-soft:#FDEDE7;
  --official:#3B7A6E;
  --official-soft:#E7F2EF;
  --border:#ECE6DC;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg);}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--text);}
a{text-decoration:none;color:inherit;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);}
button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
img{max-width:100%;display:block;}

.app-shell{max-width:520px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative;padding-bottom:80px;}

.top-bar{display:flex;align-items:center;gap:10px;padding:16px;position:sticky;top:0;background:var(--bg);z-index:5;}
.page-title{font-family:'Baloo 2',sans-serif;font-weight:600;font-size:17px;}
.icon-btn{width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;}

.tab-chip{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;color:var(--text-secondary);white-space:nowrap;flex-shrink:0;}
.tab-chip.active{background:var(--text);border-color:var(--text);color:#fff;font-weight:600;}

.tag-chip{padding:9px 16px;border-radius:999px;border:1.5px solid var(--border);background:#fff;font-size:13px;color:var(--text);white-space:nowrap;}
.tag-chip.selected{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600;}

.pill-remove{display:flex;align-items:center;gap:4px;padding:6px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:600;border:none;white-space:nowrap;}

.sort-toggle{display:flex;background:#fff;border:1px solid var(--border);border-radius:999px;padding:2px;flex-shrink:0;}
.sort-toggle-btn{border:none;background:none;font-size:12px;color:var(--text-secondary);padding:5px 12px;border-radius:999px;font-weight:600;white-space:nowrap;}
.sort-toggle-btn.active{background:var(--text);color:#fff;}

.carousel-track{display:flex;gap:10px;overflow-x:auto;padding:0 16px;}
.carousel-track::-webkit-scrollbar{display:none;}
.carousel-card{flex:0 0 auto;width:176px;height:74px;border-radius:12px;background:var(--official-soft);border:1px solid #D5E7E2;display:flex;align-items:center;gap:8px;padding:0 12px;}
.carousel-text{font-size:12px;font-weight:600;color:var(--official);line-height:1.35;}

.waterfall{column-count:2;column-gap:12px;padding:0 16px;}
.card{break-inside:avoid;margin-bottom:12px;background:var(--surface);border-radius:16px;overflow:hidden;box-shadow:0 2px 8px rgba(43,38,32,0.07);display:block;}
.card-img{width:100%;position:relative;display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center;}
.card-badge-official{position:absolute;top:8px;left:8px;background:var(--official);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px;}
.card-badges{position:absolute;top:8px;right:8px;display:flex;flex-direction:column;gap:4px;align-items:flex-end;}
.card-tag-badge{background:rgba(43,38,32,0.55);color:#fff;font-size:10px;font-weight:600;padding:3px 8px;border-radius:6px;white-space:nowrap;}
.card-body{padding:10px 12px 12px;}
.card-title{font-size:14px;font-weight:600;color:var(--text);line-height:1.4;margin-bottom:8px;}
.card-meta{display:flex;align-items:center;gap:6px;}
.avatar{width:20px;height:20px;border-radius:50%;flex-shrink:0;}
.author{font-size:12px;color:var(--text-secondary);flex-grow:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.like-count{font-size:12px;color:var(--text-secondary);display:flex;align-items:center;gap:3px;flex-shrink:0;}

.sheet-backdrop{position:fixed;inset:0;background:rgba(43,38,32,0.4);z-index:20;border:none;padding:0;width:100%;}
.sheet{position:fixed;left:0;right:0;bottom:0;max-width:520px;margin:0 auto;background:#fff;border-radius:20px 20px 0 0;padding:20px 20px 24px;z-index:21;box-shadow:0 -4px 24px rgba(0,0,0,0.14);max-height:80vh;overflow-y:auto;}
.sheet-header{display:flex;justify-content:space-between;align-items:center;}
.sheet-title{font-family:'Baloo 2',sans-serif;font-size:18px;font-weight:600;}
.section-label{font-size:13px;font-weight:600;color:var(--text-secondary);margin:18px 0 10px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.sheet-footer{display:flex;gap:10px;margin-top:24px;}
.btn-outline{flex:1;padding:12px;border-radius:12px;border:1.5px solid var(--border);background:#fff;font-size:14px;font-weight:600;color:var(--text);}
.btn-primary{flex:2;padding:12px;border-radius:12px;border:none;background:var(--accent);color:#fff;font-size:14px;font-weight:700;text-align:center;}
.btn-primary:disabled{opacity:0.5;}

.save-hint{position:absolute;bottom:10px;right:10px;background:rgba(43,38,32,0.55);color:#fff;font-size:11px;padding:5px 10px;border-radius:999px;display:flex;align-items:center;gap:4px;pointer-events:none;z-index:2;}

.image-gallery{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;}
.image-gallery::-webkit-scrollbar{display:none;}
.image-gallery img{width:100%;flex-shrink:0;scroll-snap-align:start;height:380px;object-fit:cover;display:block;}
.gallery-dots{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);display:flex;gap:5px;z-index:2;}
.gallery-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,0.55);}
.gallery-dot.active{background:#fff;}

.lightbox{position:fixed;inset:0;background:#000;z-index:60;display:none;}
.lightbox-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;height:100%;scrollbar-width:none;}
.lightbox-track::-webkit-scrollbar{display:none;}
.lightbox-track img{width:100vw;flex-shrink:0;scroll-snap-align:start;height:100%;object-fit:contain;}
.lightbox-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.15);color:#fff;border:none;font-size:18px;z-index:61;}
.lightbox-hint{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);background:rgba(255,255,255,0.15);color:#fff;font-size:12px;padding:7px 16px;border-radius:999px;z-index:61;pointer-events:none;}
.divider{height:1px;background:var(--border);margin:16px 0;}
.static-pill{background:var(--bg);border:1px solid var(--border);padding:5px 12px;border-radius:999px;font-size:12px;color:var(--text-secondary);}
.comment{display:flex;gap:10px;margin-bottom:16px;}
.comment-avatar{width:28px;height:28px;border-radius:50%;flex-shrink:0;}
.comment-name{font-size:12px;color:var(--text-secondary);margin-bottom:3px;}
.comment-text{font-size:13px;color:var(--text);line-height:1.5;}

.upload-box{border:2px dashed var(--border);border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text-secondary);font-size:13px;cursor:pointer;background:#fff;width:100%;padding:20px;}
.upload-thumbs{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}
.upload-thumb{width:64px;height:64px;border-radius:10px;background-size:cover;background-position:center;position:relative;}
.upload-thumb button{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;background:#2B2620;color:#fff;border:none;font-size:11px;}
.tip-box{background:var(--accent-soft);color:#B24A2F;font-size:12px;line-height:1.6;padding:10px 12px;border-radius:10px;margin-top:12px;}
.field-label{font-size:13px;font-weight:600;color:var(--text);margin:20px 0 8px;}
.required-mark{color:var(--accent);}
.text-input{width:100%;border:1px solid var(--border);border-radius:12px;padding:12px 14px;font-size:14px;color:var(--text);background:#fff;}
textarea.text-input{resize:none;min-height:80px;}
.cat-option{width:100%;text-align:left;padding:14px 16px;border-radius:12px;border:1.5px solid var(--border);background:#fff;font-size:14px;color:var(--text);margin-bottom:10px;display:flex;align-items:center;justify-content:space-between;}
.cat-option.selected{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600;}
.link-text{font-size:12px;color:var(--official);background:none;border:none;font-weight:600;padding:0;}

.bottom-nav{position:fixed;left:0;right:0;bottom:0;max-width:520px;margin:0 auto;height:64px;background:#fff;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-around;z-index:10;}
.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10px;color:var(--text-secondary);background:none;border:none;}
.nav-item.active{color:var(--accent);font-weight:600;}
.nav-fab{width:48px;height:48px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;margin-top:-24px;box-shadow:0 4px 12px rgba(232,106,77,0.4);border:none;}

.guest-switch{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-secondary);background:#fff;border:1px solid var(--border);border-radius:999px;padding:5px 10px 5px 5px;flex-shrink:0;}
.guest-dot{width:8px;height:8px;border-radius:50%;background:#C9C1B2;flex-shrink:0;}
.guest-dot.on{background:var(--accent);}
.login-modal{position:fixed;left:16px;right:16px;top:50%;transform:translateY(-50%);max-width:488px;margin:0 auto;background:#fff;border-radius:18px;padding:26px 22px;z-index:31;text-align:center;box-shadow:0 12px 32px rgba(0,0,0,0.18);}

.composer-row{display:flex;align-items:center;gap:10px;width:100%;}
.composer-pill{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:9px 14px;font-size:12px;color:var(--text-secondary);text-align:left;}
.composer-input{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:9px 14px;font-size:12px;color:var(--text);}
.action-icons{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.action-item{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:none;color:var(--text-secondary);font-size:10px;}

.copy-row{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:10px 12px;}
.copy-text{flex:1;min-width:0;font-size:12px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.copy-btn{flex-shrink:0;width:30px;height:30px;border-radius:8px;background:#fff;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;}
.prompt-box{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:12px;font-size:12px;line-height:1.6;color:var(--text-secondary);}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:88px;background:rgba(43,38,32,0.88);color:#fff;font-size:12px;padding:9px 18px;border-radius:999px;z-index:40;white-space:nowrap;}

.profile-tab{flex:1;text-align:center;padding:10px 0;font-size:13px;color:var(--text-secondary);border-bottom:2px solid transparent;background:none;border-left:none;border-right:none;border-top:none;}
.profile-tab.active{color:var(--text);font-weight:700;border-bottom:2px solid var(--accent);}

.auth-tabs{display:flex;background:var(--bg);border-radius:999px;padding:4px;gap:4px;}
.auth-tab{flex:1;text-align:center;padding:9px 0;border-radius:999px;font-size:13px;font-weight:600;color:var(--text-secondary);background:none;border:none;}
.auth-tab.active{background:#fff;color:var(--text);box-shadow:0 1px 3px rgba(43,38,32,0.08);}
.otp-row{display:flex;gap:8px;}
.otp-row .text-input{flex:1;}
.otp-btn{flex-shrink:0;padding:0 14px;border-radius:12px;border:1px solid var(--accent);background:#fff;color:var(--accent);font-size:12px;font-weight:600;white-space:nowrap;}

.empty-state{padding:60px 20px;text-align:center;color:var(--text-secondary);font-size:13px;}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}