:root{
  --navy:#0F1822;
  --sand:#C4A484;
  --cream:#F7F2EC;
  --sage:#A8B19A;
  --stone:#DCD7CF;
  --graphite:#5A574F;
  --blush:#E9DFD6;
  --card:#FFFDF9;
  --font-display:'Playfair Display', Georgia, serif;
  --font-body:'Jost', 'Segoe UI', sans-serif;
  --font-hand:'Caveat', cursive;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--navy);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:100vh;
  padding:24px;
}

.app{
  width:100%;
  max-width:420px;
  height:844px;
  max-height:92vh;
  background:var(--cream);
  color:var(--navy);
  border-radius:28px;
  box-shadow:0 30px 70px rgba(0,0,0,0.45);
  overflow:hidden;
  position:relative;
  display:flex;
  flex-direction:column;
}

.screen{
  flex:1;
  overflow-y:auto;
  padding:24px 24px 110px;
  -webkit-overflow-scrolling:touch;
}
.screen.hidden{display:none;}

/* --- shared bits --- */
.eyebrow{
  font-size:11px;font-weight:600;letter-spacing:1.5px;color:var(--sand);
  text-transform:uppercase;margin:0 0 8px;
}
h1,h2,h3{font-family:var(--font-display);margin:0;}
.btn{
  border:none;cursor:pointer;font-family:var(--font-body);
  border-radius:999px;padding:14px;text-align:center;
  font-size:14px;font-weight:600;letter-spacing:.3px;
  width:100%;
}
.btn-primary{background:var(--navy);color:var(--cream);}
.btn-primary:disabled{opacity:.35;cursor:default;}
.btn-ghost{background:transparent;color:var(--graphite);opacity:.65;font-weight:500;}
.pill{
  display:flex;align-items:center;justify-content:center;gap:7px;
  flex:1;border:1px solid var(--stone);border-radius:999px;padding:10px;
  font-size:12px;font-weight:500;color:var(--graphite);background:transparent;cursor:pointer;
}
.pill.active{border-color:var(--sage);background:rgba(168,177,154,0.14);}
.card{
  background:var(--card);border:1px solid var(--stone);border-radius:20px;
  padding:22px;box-shadow:0 8px 24px rgba(15,24,34,0.06);
}

/* --- top bar --- */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.brand{display:flex;align-items:flex-start;font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:.2px;}
.brand .heart-accent{margin:-2px 0 0 2px;}
.streak{
  display:flex;align-items:center;gap:6px;background:rgba(168,177,154,0.2);
  padding:6px 12px;border-radius:999px;font-size:12px;font-weight:500;color:var(--graphite);
}

/* --- home --- */
.greeting-sub{font-size:14px;color:var(--graphite);}
.greeting-name{font-family:var(--font-display);font-weight:700;font-size:28px;margin-top:2px;}
.greeting-date{font-size:12px;color:var(--graphite);opacity:.65;margin-top:6px;}

.entry-card{margin-top:22px;}
.entry-card textarea{
  width:100%;border:none;background:transparent;resize:none;
  font-family:var(--font-display);font-style:italic;font-size:18px;
  border-bottom:2px solid var(--stone);padding-bottom:10px;margin-top:16px;
  font-weight:500;color:var(--navy);
}
.entry-card textarea:focus{outline:none;border-color:var(--sand);}
.entry-card textarea::placeholder{color:var(--graphite);opacity:.4;font-style:italic;}
.char-count{font-size:11px;color:var(--sand);text-align:right;margin-top:6px;height:14px;}
.entry-actions{display:flex;gap:10px;margin-top:16px;}

.photo-trigger{
  margin-top:16px;text-align:center;border:1.5px dashed var(--stone);border-radius:14px;
  padding:12px;font-size:12px;font-weight:500;color:var(--graphite);cursor:pointer;
}
.photo-trigger:hover{border-color:var(--sand);color:var(--navy);}
.photo-preview-wrap{margin-top:14px;}
.photo-preview{width:100%;max-height:220px;object-fit:cover;border-radius:14px;display:block;}
.photo-remove{
  display:block;text-align:center;margin-top:8px;font-size:11px;color:var(--graphite);
  opacity:.6;cursor:pointer;text-decoration:underline;
}

.saved-entry{
  margin-top:22px;background:var(--card);border:1px solid var(--stone);border-radius:20px;padding:22px;
}
.saved-entry .entry-photo{width:100%;max-height:220px;object-fit:cover;border-radius:14px;margin-bottom:16px;display:block;}
.saved-entry .txt{font-family:var(--font-display);font-style:italic;font-size:18px;margin-top:10px;line-height:1.4;}
.add-more-link{margin-top:14px;font-size:12px;color:var(--graphite);opacity:.6;text-align:center;cursor:pointer;}

.progress-block{margin-top:30px;}
.progress-label{font-size:12px;color:var(--graphite);opacity:.8;margin-top:5px;}
.progress-bar{margin-top:14px;height:8px;background:var(--stone);border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--sand),var(--sage));border-radius:999px;transition:width .4s ease;}
.dots{display:flex;gap:7px;margin-top:16px;flex-wrap:wrap;}
.dot{width:11px;height:11px;border-radius:50%;background:var(--navy);}
.dot.empty{background:transparent;border:1.5px solid var(--stone);}
.last-line{margin-top:22px;font-size:13px;color:var(--graphite);opacity:.75;font-style:italic;}

/* --- book tab --- */
.book-progress{font-size:13px;color:var(--graphite);margin-bottom:18px;}
.pages-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.page-card{
  background:var(--card);border:1px solid var(--stone);border-radius:14px;padding:14px;
  min-height:120px;display:flex;flex-direction:column;justify-content:space-between;
}
.page-card .date{font-size:10px;color:var(--sand);text-transform:uppercase;letter-spacing:1px;font-weight:600;}
.page-card .txt{font-family:var(--font-hand);font-size:19px;line-height:1.25;margin-top:8px;color:var(--graphite);}
.page-card .page-photo{width:100%;height:80px;object-fit:cover;border-radius:8px;margin-bottom:4px;}
.page-card.ghost{border-style:dashed;opacity:.5;justify-content:center;align-items:center;color:var(--graphite);font-size:12px;text-align:center;}

.shelf-title{margin-top:34px;margin-bottom:14px;}
.shelf-empty{
  border:1.5px dashed var(--stone);border-radius:14px;padding:26px;text-align:center;
  font-size:13px;color:var(--graphite);opacity:.7;
}
.shelf-book{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--card);border:1px solid var(--stone);border-radius:14px;padding:16px;margin-bottom:10px;
}
.shelf-book .title{font-family:var(--font-display);font-weight:700;font-size:15px;}
.shelf-book .meta{font-size:11px;color:var(--graphite);opacity:.65;margin-top:3px;}

/* --- profile --- */
.field{margin-bottom:20px;}
.field label{display:block;font-size:11px;font-weight:600;letter-spacing:1px;color:var(--sand);text-transform:uppercase;margin-bottom:8px;}
.field input[type=text], .field select{
  width:100%;padding:12px 14px;border:1px solid var(--stone);border-radius:12px;
  background:var(--card);font-family:var(--font-body);font-size:14px;color:var(--navy);
}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 26px;}
.stat{background:var(--card);border:1px solid var(--stone);border-radius:14px;padding:16px;}
.stat .n{font-family:var(--font-display);font-weight:700;font-size:24px;}
.stat .l{font-size:11px;color:var(--graphite);opacity:.7;margin-top:2px;}
.danger{color:#B4463E;opacity:.85;}

/* --- bottom nav --- */
.tabbar{
  position:absolute;left:0;right:0;bottom:0;height:84px;
  background:var(--card);border-top:1px solid var(--stone);
  display:flex;align-items:center;justify-content:space-around;padding-bottom:8px;
}
.tab{display:flex;flex-direction:column;align-items:center;gap:5px;cursor:pointer;background:none;border:none;font-family:var(--font-body);}
.tab svg{opacity:.45;}
.tab span{font-size:10px;font-weight:500;color:var(--graphite);opacity:.6;}
.tab.active svg{opacity:1;}
.tab.active span{color:var(--navy);opacity:1;}

.toast{
  position:absolute;left:50%;bottom:96px;transform:translateX(-50%) translateY(10px);
  background:var(--navy);color:var(--cream);font-size:12px;padding:10px 18px;border-radius:999px;
  opacity:0;pointer-events:none;transition:all .25s ease;white-space:nowrap;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}