/* app.css — PWA mobile app styles */
:root {
  --primary: #c00e20;
  --primary-light: #fdf0f1;
  --bg: #f5f5f7;
  --card: #fff;
  --text: #1a1a1a;
  --text-secondary: #888;
  --border: #e8e8ed;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --shadow: 0 1px 3px rgba(0,0,0,.06);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;background:#e8eaed;min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--text);-webkit-tap-highlight-color:transparent}
/* iPhone frame */
.phone-frame{width:393px;max-width:100vw;min-height:852px;background:var(--bg);border-radius:54px;box-shadow:0 20px 60px rgba(0,0,0,.15);overflow:hidden;display:flex;flex-direction:column;position:relative}
@media(max-width:480px){.phone-frame{width:100%;min-height:100vh;border-radius:0;box-shadow:none}}
.dynamic-island{width:120px;height:34px;background:#000;border-radius:17px;margin:12px auto 0;flex-shrink:0}
.status-bar{display:flex;justify-content:space-between;padding:8px 28px 0;font-size:13px;font-weight:600;color:#333;flex-shrink:0}
@media(max-width:480px){.dynamic-island,.status-bar{display:none}}
.screen{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}
/* Main content area */
.main-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:0 16px}
/* Bottom nav */
.bottom-nav{display:flex;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border);padding:6px 0;padding-bottom:var(--safe-bottom);flex-shrink:0}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;padding:4px 0;cursor:pointer;transition:color .2s;color:#999}
.nav-item.active{color:var(--primary)}
.nav-icon{font-size:20px;line-height:1.3}
.nav-label{font-size:10px;margin-top:1px}
/* Page title */
.page-title{font-size:20px;font-weight:700;padding:14px 0 10px;color:var(--text)}
.back-btn{color:var(--primary);cursor:pointer;font-size:24px;margin-right:4px;vertical-align:-2px}
/* Cards */
.card{background:var(--card);border-radius:12px;box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden}
.card-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px 8px;font-size:15px;font-weight:700}
.card-body{padding:0 16px 14px}
.card-divider{border-top:1px solid var(--border)}
/* List items */
.list-item{display:flex;align-items:center;padding:12px 16px;cursor:pointer;transition:background .15s}
.list-item:active{background:#f5f5f5}
.list-item:last-child{margin-bottom:0}
.li-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;background:var(--primary-light)}
.li-info{flex:1;margin-left:12px;min-width:0}
.li-title{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.li-sub{font-size:12px;color:var(--text-secondary);margin-top:1px}
.li-arrow{color:#ccc;font-size:18px;flex-shrink:0}
/* Stats grid */
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.stat-item{background:var(--card);border-radius:12px;padding:16px;text-align:center}
.stat-num{font-size:26px;font-weight:800;color:var(--primary)}
.stat-label{font-size:12px;color:var(--text-secondary);margin-top:4px}
/* Action grid */
.action-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:12px}
.action-item{display:flex;flex-direction:column;align-items:center;padding:12px 8px;background:var(--card);border-radius:12px;cursor:pointer;transition:background .15s}
.action-item:active{background:#f5f5f5}
.action-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:6px}
.action-label{font-size:11px;color:var(--text-secondary);text-align:center}
/* Tags */
.tags-row{display:flex;flex-wrap:wrap;gap:6px}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:10px;font-size:11px;font-weight:600;white-space:nowrap}
.tag-sm{padding:1px 6px;font-size:10px}
.tag-add{cursor:pointer;border:1px dashed var(--border);color:var(--text-secondary)}
.tag-active{cursor:pointer}
/* Badges */
.badge{display:inline-block;padding:2px 8px;border-radius:8px;font-size:10px;font-weight:600}
.badge-draft{background:#fff3e0;color:#e65100}
.badge-sent{background:#e8f5e9;color:#2e7d32}
.badge-failed{background:#ffebee;color:#c62828}
.badge-active{background:#e3f2fd;color:#1565c0}
/* Customer card */
.cust-card{display:flex;align-items:center;padding:12px 16px;cursor:pointer;transition:background .15s}
.cust-card:active{background:#f5f5f5}
.cust-avatar{width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0}
.cust-info{flex:1;margin-left:12px;min-width:0}
.cust-name{font-size:14px;font-weight:600}
.cust-meta{font-size:12px;color:var(--text-secondary);margin-top:2px}
/* Modal */
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:flex-end;justify-content:center;z-index:100}
.modal{background:var(--card);border-radius:16px 16px 0 0;width:100%;max-height:85%;overflow-y:auto;animation:slideUp .25s ease-out}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--border)}
.modal-title{font-size:16px;font-weight:700}
.modal-close{width:28px;height:28px;border-radius:50%;background:#f0f0f0;border:none;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.modal-body{padding:16px}
/* Form */
.form-group{margin-bottom:14px}
.form-label{display:block;font-size:13px;font-weight:600;color:#555;margin-bottom:6px}
.form-input,.form-select{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:10px;font-size:15px;outline:none;transition:border .2s;background:#fff;font-family:inherit}
.form-input:focus,.form-select:focus{border-color:var(--primary)}
.form-textarea{min-height:80px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-primary{background:var(--primary);color:#fff;width:100%}
.btn-primary:active{transform:scale(.98)}
.btn-primary:disabled{opacity:.5}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.btn-danger{background:#ffebee;color:var(--primary)}
/* Spinner */
.spinner{width:28px;height:28px;border:3px solid #e0e0e0;border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}
/* Scrollable tag filter */
.tag-scroll{display:flex;gap:8px;overflow-x:auto;padding:12px 0;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.tag-scroll::-webkit-scrollbar{display:none}
.tag-filter{flex-shrink:0;padding:6px 16px;border-radius:16px;font-size:13px;font-weight:600;background:var(--card);color:var(--text-secondary);cursor:pointer;border:1px solid var(--border);transition:all .2s}
.tag-filter.active{background:var(--primary);color:#fff;border-color:var(--primary)}
/* Search */
.search-bar{display:flex;gap:8px;margin:8px 0 12px}
.search-input{flex:1;padding:10px 14px;border:1.5px solid var(--border);border-radius:20px;font-size:14px;outline:none;background:var(--card);font-family:inherit}
.search-input:focus{border-color:var(--primary)}
/* Utility */
.text-center{text-align:center}
.text-secondary{color:var(--text-secondary)}
.mt-8{margin-top:8px}
.mb-12{margin-bottom:12px}