:root{
  --bg:#f0f4f8;--bg2:#e2e8f0;--bg3:#ffffff;
  --text:#1a202c;--text2:#4a5568;--text3:#a0aec0;
  --accent:#3182ce;--accent2:#2b6cb0;--accent3:#63b3ed;
  --success:#38a169;--danger:#e53e3e;--info:#319795;
  --shadow:0 2px 12px rgba(0,0,0,.08);
  --radius:12px;
  --header-g1:#2b6cb0;--header-g2:#319795;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:-apple-system,'PingFang SC','Noto Sans SC','Helvetica Neue',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;max-width:480px;margin:0 auto;}
.page{display:none;flex-direction:column;min-height:100vh;padding:0 0 20px;}
.page.active{display:flex;}

/* Header */
.header{background:linear-gradient(135deg,var(--header-g1),var(--header-g2));color:#fff;padding:16px 20px;text-align:center;position:sticky;top:0;z-index:100;}
.header h1{font-size:1.3rem;font-weight:700;margin-bottom:2px;}
.header p{font-size:.78rem;opacity:.85;}

/* Tabs */
.tabs{display:flex;background:var(--bg3);border-bottom:1px solid #e2e8f0;overflow-x:auto;position:sticky;top:60px;z-index:99;}
.tab-btn{flex:1;padding:10px 4px;text-align:center;font-size:.78rem;color:var(--text3);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap;min-width:60px;font-family:inherit;}
.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:700;background:var(--bg);}
.tab-content{display:none;padding:16px;flex:1;}
.tab-content.active{display:block;}

/* Forms */
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:.85rem;font-weight:700;color:var(--text2);margin-bottom:6px;}
.form-group label .required{color:var(--danger);}
.form-input{width:100%;padding:10px 12px;border:1.5px solid #cbd5e0;border-radius:8px;font-size:.9rem;background:#fff;color:var(--text);font-family:inherit;transition:border-color .2s;}
.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(49,130,206,.12);}
textarea.form-input{resize:vertical;min-height:80px;line-height:1.6;}
select.form-input{appearance:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a0aec0' stroke-width='2' fill='none'/%3E%3C/svg%3E") no-repeat right 12px center #fff;}
.form-hint{font-size:.75rem;color:var(--text3);margin-top:4px;}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border:none;border-radius:8px;font-size:.88rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit;}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 2px 8px rgba(49,130,206,.3);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(49,130,206,.4);}
.btn-secondary{background:var(--bg3);color:var(--text2);border:1.5px solid #cbd5e0;}
.btn-danger{background:var(--danger);color:#fff;}
.btn-ai{background:linear-gradient(135deg,#6a3de8,#9b6dff);color:#fff;box-shadow:0 2px 8px rgba(106,61,232,.3);}
.btn-success{background:var(--success);color:#fff;}
.btn-block{width:100%;}
.btn-sm{padding:7px 14px;font-size:.8rem;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;}

/* Cards */
.card{background:var(--bg3);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow);border:1px solid #e2e8f0;}
.card-title{font-size:.92rem;font-weight:700;color:var(--accent);margin-bottom:8px;display:flex;align-items:center;gap:6px;}

/* Character cards */
.char-card{background:#fff;border-radius:10px;padding:12px;margin-bottom:10px;box-shadow:0 1px 6px rgba(0,0,0,.05);border:1px solid #e2e8f0;position:relative;}
.char-card-header{display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-wrap:wrap;}
.char-card-name{font-weight:700;color:var(--accent);font-size:.95rem;}
.char-card-tag{font-size:.7rem;padding:2px 8px;border-radius:20px;background:var(--bg);color:var(--text3);}
.char-card-body{font-size:.82rem;color:var(--text2);line-height:1.7;}
.char-card-body div{margin-bottom:3px;}
.char-card-actions{position:absolute;top:8px;right:8px;display:flex;gap:4px;}
.char-card-actions button{width:24px;height:24px;border-radius:50%;border:1px solid #e2e8f0;background:#fff;cursor:pointer;font-size:.7rem;display:flex;align-items:center;justify-content:center;}

/* Property list */
.prop-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.prop-item{background:#fff;padding:10px;border-radius:8px;border:1px solid #e2e8f0;text-align:center;}
.prop-item .val{font-size:1.1rem;font-weight:700;color:var(--accent);}
.prop-item .lbl{font-size:.72rem;color:var(--text3);margin-top:2px;}

/* Story page */
.story-header{background:linear-gradient(135deg,var(--header-g1),var(--header-g2));color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;}
.story-header h2{font-size:1rem;}
.story-body{flex:1;padding:12px;overflow-y:auto;}
.story-entry{margin-bottom:16px;animation:fadeIn .5s;}
.story-action{background:linear-gradient(135deg,#ebf4ff,#e6fffa);padding:10px 14px;border-radius:10px;font-size:.85rem;color:var(--text2);margin-bottom:8px;border-left:3px solid var(--accent);position:relative;display:flex;align-items:center;justify-content:space-between;}
.btn-del-action{background:none;border:none;cursor:pointer;font-size:.85rem;padding:2px 6px;opacity:.4;flex-shrink:0;margin-left:8px;}
.btn-del-action:hover{opacity:1;}
.story-narration{font-size:.9rem;line-height:1.9;color:var(--text);padding:8px 4px;text-indent:2em;}
.story-speech{background:#fff;border-radius:10px;padding:10px 14px;margin:8px 0;font-size:.88rem;border-left:3px solid var(--info);color:var(--text);}
.story-thought{background:#f0f0ff;border-radius:10px;padding:10px 14px;margin:8px 0;font-size:.85rem;font-style:italic;color:#5a67d8;border-left:3px solid #7c3aed;}

/* Choices */
.choices-panel{background:var(--bg3);border-top:1px solid #e2e8f0;padding:12px 16px;}
.choice-btn{width:100%;padding:12px 16px;margin-bottom:8px;background:var(--bg);border:1.5px solid #e2e8f0;border-radius:10px;text-align:left;font-size:.85rem;cursor:pointer;transition:all .2s;font-family:inherit;line-height:1.5;color:var(--text);}
.choice-btn:hover{border-color:var(--accent);background:#ebf8ff;}
.choice-btn:active{transform:scale(.98);}
.custom-action{display:flex;gap:8px;margin-top:4px;}
.custom-action input{flex:1;padding:10px 12px;border:1.5px solid #cbd5e0;border-radius:8px;font-size:.85rem;font-family:inherit;}

/* Status bar */
.status-bar{display:flex;gap:6px;padding:8px 12px;background:var(--bg);overflow-x:auto;font-size:.72rem;border-bottom:1px solid #e2e8f0;}
.status-item{display:flex;align-items:center;gap:3px;white-space:nowrap;padding:3px 8px;background:#fff;border-radius:12px;border:1px solid #e2e8f0;}

/* Modal */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1000;align-items:center;justify-content:center;padding:16px;}
.modal-overlay.active{display:flex;}
.modal{background:var(--bg3);border-radius:16px;width:100%;max-width:440px;max-height:85vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,.15);}
.modal-header{padding:16px 20px;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;align-items:center;}
.modal-header h3{font-size:1rem;color:var(--accent);}
.modal-close{width:32px;height:32px;border-radius:50%;border:none;background:var(--bg);cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;}
.modal-body{padding:16px 20px;}
.modal-footer{padding:12px 20px;border-top:1px solid #e2e8f0;display:flex;gap:8px;justify-content:flex-end;}

/* Toast */
.toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);background:#2d3748;color:#fff;padding:10px 20px;border-radius:20px;font-size:.82rem;z-index:9999;opacity:0;transition:opacity .3s;max-width:90%;text-align:center;}
.toast.show{opacity:1;}
.toast.error{background:var(--danger);}

/* Progress bar */
.progress-bar{width:100%;height:4px;background:#e2e8f0;border-radius:2px;overflow:hidden;margin:8px 0;}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent3));transition:width .3s;border-radius:2px;}

/* Gold Finger */
.gf-level-selector{display:flex;gap:6px;margin:10px 0;flex-wrap:wrap;}
.gf-level-btn{padding:8px 14px;border-radius:20px;border:1.5px solid #cbd5e0;background:#fff;cursor:pointer;font-size:.8rem;font-family:inherit;transition:all .2s;color:var(--text2);}
.gf-level-btn.active{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:700;}
.gf-level-btn:hover{border-color:var(--accent);}

/* Summary badge */
.summary-badge{font-size:.72rem;color:var(--text3);text-align:center;padding:4px 12px;background:var(--bg);cursor:pointer;border-bottom:1px solid #e2e8f0;}

/* Power level tags */
.power-tag{display:inline-block;padding:2px 10px;border-radius:12px;font-size:.72rem;font-weight:700;margin-left:6px;}
.power-tag.lv1{background:#e8f5e9;color:#2e7d32;}
.power-tag.lv2{background:#e3f2fd;color:#1565c0;}
.power-tag.lv3{background:#f3e5f5;color:#7b1fa2;}
.power-tag.lv4{background:#fff3e0;color:#e65100;}
.power-tag.lv5{background:linear-gradient(135deg,#fff9c4,#ffe082);color:#bf360c;}

/* Story entry toolbar */
.story-entry-toolbar{
  display:flex;justify-content:flex-end;gap:8px;
  margin-top:10px;padding-top:8px;border-top:1px dashed #e2e8f0;
}
.story-entry-toolbar button{
  font-size:.78rem;padding:6px 14px;border-radius:8px;border:1px solid #cbd5e0;
  background:var(--bg);color:var(--text2);cursor:pointer;font-family:inherit;
  transition:background .2s;
}
.story-entry-toolbar button:active{background:#e2e8f0;}
.story-entry-toolbar .btn-del{border-color:#feb2b2;background:#fff5f5;color:#e53e3e;}
.story-entry-toolbar .btn-del:active{background:#fed7d7;}

/* ===== Genre Selection Page ===== */
.genre-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 16px;margin-top:16px;}
.genre-card{background:var(--bg3);border-radius:var(--radius);padding:16px 12px;text-align:center;cursor:pointer;border:2px solid transparent;box-shadow:var(--shadow);transition:all .25s;}
.genre-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 16px rgba(49,130,206,.15);}
.genre-card:active{transform:scale(.97);}
.genre-card .genre-icon{font-size:2.2rem;margin-bottom:6px;}
.genre-card .genre-name{font-size:.92rem;font-weight:700;color:var(--text);margin-bottom:4px;}
.genre-card .genre-desc{font-size:.72rem;color:var(--text3);line-height:1.4;}
.genre-custom{padding:0 16px;margin-top:20px;}
.genre-custom .card{border:1.5px dashed var(--accent3);}
.genre-custom textarea{min-height:60px;}

/* AI generating overlay */
.genre-generating{text-align:center;padding:30px 16px;color:var(--text2);}
.genre-generating .loading-spinner{width:28px;height:28px;border-width:3px;margin-bottom:10px;}

@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.fade-in{animation:fadeIn .5s;}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-spinner{display:inline-block;width:16px;height:16px;border:2px solid #fff4;border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;}

/* Background image */
body.has-bg{background-size:cover;background-position:center;background-attachment:fixed;background-repeat:no-repeat;}
body.has-bg .page{background:rgba(240,244,248,.82);}
body.has-bg .story-body{background:rgba(255,255,255,.75);border-radius:8px;margin:4px;backdrop-filter:blur(2px);}
body.has-bg .choices-panel{background:rgba(255,255,255,.88);backdrop-filter:blur(2px);}
body.has-bg .card{background:rgba(255,255,255,.88);backdrop-filter:blur(2px);}
body.has-bg .status-bar{background:rgba(240,244,248,.88);}
body.has-bg .tab-content{background:rgba(255,255,255,.75);}
body.has-bg .tabs{background:rgba(255,255,255,.88);}
body.has-bg .modal{background:rgba(255,255,255,.95);backdrop-filter:blur(4px);}
body.has-bg .genre-grid .genre-card{background:rgba(255,255,255,.88);backdrop-filter:blur(2px);}
body.has-bg .genre-custom .card{background:rgba(255,255,255,.88);backdrop-filter:blur(2px);}
body.has-bg .char-card{background:rgba(255,255,255,.9);}
body.has-bg .choice-btn{background:rgba(255,255,255,.85);}
body.has-bg .story-narration{text-shadow:0 0 4px rgba(255,255,255,.6);}
body.has-bg .story-speech{background:rgba(255,255,255,.9);}
body.has-bg .story-thought{background:rgba(240,240,255,.9);}
body.has-bg .story-action{background:rgba(235,244,255,.9);}