/* app */
:root{--primary:#e8a0bf;--secondary:#f2c6de;--accent:#fbe4f0;--bg:#fdf6f9;--text:#5a3d4a}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text)}
body{display:flex;flex-direction:column}

/* ── Fixed Header ── */
.app-header{position:fixed;top:0;left:0;right:0;z-index:100;display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;padding:clamp(8px,2vw,14px) clamp(10px,3vw,20px);color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary))}

/* ── Fixed Footer ── */
.app-footer{position:fixed;bottom:0;left:0;right:0;z-index:100;display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;padding:clamp(6px,1.5vw,12px) clamp(10px,3vw,20px);background:var(--text);color:var(--accent);font-size:clamp(0.65rem,1.8vw,0.8rem)}

/* ── Bar cells ── */
.bar-left{text-align:left}.bar-center{text-align:center;font-weight:700;font-size:clamp(0.85rem,2.5vw,1.1rem)}.bar-right{text-align:right}
.bar-left img,.bar-center img,.bar-right img{height:clamp(24px,5vw,36px);vertical-align:middle}

/* ── Tab Bar ── */
.tab-bar{position:fixed;top:clamp(40px,8vw,52px);left:0;right:0;z-index:99;display:flex;background:var(--bg);border-bottom:1.5px solid var(--accent);padding:0 clamp(8px,2vw,16px)}
.tab-btn{flex:1;padding:clamp(8px,1.5vw,12px) 0;border:none;background:transparent;font-size:clamp(0.78rem,2vw,0.9rem);font-weight:600;color:#999;cursor:pointer;border-bottom:2.5px solid transparent;transition:all 0.2s}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}

/* ── Scrollable Main ── */
main{position:fixed;top:clamp(78px,16vw,96px);bottom:clamp(34px,7vw,48px);left:0;right:0;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}
.tab-content{display:none;padding:clamp(10px,2.5vw,20px);max-width:600px;margin:0 auto}
.tab-content.active{display:block}

/* ── History ── */
.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:clamp(8px,2vw,14px)}
.history-header h2{font-size:clamp(0.9rem,2.5vw,1.1rem)}
.entry-count{font-size:clamp(0.7rem,1.8vw,0.8rem);color:#999;background:var(--accent);padding:2px 10px;border-radius:12px}
.entry-card{background:#fff;border:1px solid var(--accent);border-radius:clamp(6px,1.5vw,10px);padding:clamp(8px,2vw,12px);margin:clamp(4px,1vw,8px) 0;font-size:clamp(0.75rem,2vw,0.85rem)}
.entry-card-time{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.entry-card-time small{color:#999;font-size:clamp(0.65rem,1.5vw,0.75rem)}
.entry-card-time button{background:none;border:none;color:#c33;cursor:pointer;font-size:clamp(0.65rem,1.5vw,0.75rem)}

/* ── Layouts ── */
.layout-1col{display:grid;grid-template-columns:1fr;gap:clamp(8px,2vw,14px)}
.layout-2col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(8px,2vw,14px)}
.layout-3col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:clamp(8px,2vw,14px)}
.layout-sidebar{display:grid;grid-template-columns:1fr 2fr;gap:clamp(8px,2vw,14px)}
.layout-dashboard{display:grid;grid-template-columns:1fr 1fr;gap:clamp(8px,2vw,14px)}
.layout-2-1{display:grid;grid-template-columns:1fr 1fr;gap:clamp(8px,2vw,14px)}
.grid-cell{min-height:20px}

/* ── Form Fields ── */
.field-label{display:block;font-weight:600;margin:clamp(4px,1vw,8px) 0 clamp(2px,0.5vw,4px);font-size:clamp(0.8rem,2.2vw,0.95rem)}
.req{color:#e57373}
.input-field{display:block;width:100%;padding:clamp(8px,2vw,12px);margin:2px 0 clamp(4px,1vw,8px);border:1.5px solid var(--secondary);border-radius:clamp(6px,1.5vw,10px);font-size:clamp(0.85rem,2.2vw,1rem);background:#fff;outline:none}
.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,0,0,0.04)}
.textarea{resize:vertical;min-height:clamp(50px,12vw,80px)}
.radio-group{display:flex;flex-direction:column;gap:clamp(4px,1vw,8px);margin:4px 0 8px}
.radio-item{display:flex;align-items:center;gap:clamp(4px,1.2vw,8px);font-size:clamp(0.8rem,2.2vw,0.95rem)}
.btn{display:block;width:100%;padding:clamp(10px,2.5vw,14px);margin:clamp(6px,1.5vw,10px) 0;background:var(--primary);color:#fff;border:none;border-radius:clamp(8px,2vw,12px);font-size:clamp(0.9rem,2.5vw,1.05rem);font-weight:600;cursor:pointer;transition:all 0.15s}
.btn:hover{opacity:.9;transform:translateY(-1px)}
.btn:active{transform:scale(0.98)}
.error-box{background:#fff0f0;border:1px solid #fcc;color:#c33;padding:clamp(8px,2vw,12px);border-radius:8px;margin:8px 0;font-size:clamp(0.75rem,2vw,0.88rem)}
.success-box{background:#e8f5e9;border:1px solid #c8e6c9;color:#2e7d32;padding:clamp(8px,2vw,12px);border-radius:8px;margin:8px 0;font-size:clamp(0.75rem,2vw,0.88rem)}

/* ── Media ── */
.video-preview iframe{width:100%;height:clamp(140px,35vw,200px);border:none;border-radius:8px;margin-top:6px}
.link-field{display:inline-block;color:var(--primary);font-weight:600;font-size:clamp(0.85rem,2.2vw,1rem);text-decoration:underline;margin:8px 0;cursor:pointer}
.icon-link,.icon-display{display:inline-flex;align-items:center;gap:6px;margin:8px 0;text-decoration:none;color:var(--text)}
.icon-char{font-size:clamp(1.2rem,3.5vw,1.6rem)}
.icon-label{font-size:clamp(0.8rem,2.2vw,0.95rem);font-weight:500}
.image-preview{margin:8px 0;border-radius:clamp(6px,1.5vw,10px);overflow:hidden;border:1px solid var(--accent)}
.preview-img{width:100%;max-height:clamp(140px,35vw,220px);object-fit:cover;display:block}
.video-embed{margin:8px 0;border-radius:10px;overflow:hidden}
.video-embed iframe{width:100%;height:clamp(140px,35vw,200px);border:none}
.attach-field{margin:4px 0}
.attach-types{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.attach-badge{font-size:clamp(0.65rem,1.5vw,0.78rem);background:var(--accent);color:var(--text);padding:2px 8px;border-radius:6px;font-weight:600}
.qr-scan-btn{background:var(--primary);position:relative}
.qr-viewport{margin:8px 0;border-radius:10px;overflow:hidden;border:2px solid var(--primary)}
.qr-result{margin:6px 0;padding:clamp(8px,2vw,12px);background:var(--accent);border-radius:8px;font-size:clamp(0.75rem,2vw,0.88rem);word-break:break-all}

/* ── Responsive ── */
@media(max-width:480px){.layout-2col,.layout-3col,.layout-sidebar,.layout-dashboard,.layout-2-1{grid-template-columns:1fr}}