/* Paper-like Midori UI (no external deps) */
:root{
  --bg1:#0b0f14;
  --bg2:#070a0e;
  --card:#0f1520;
  --line:#223043;
  --text:#e8eef6;
  --muted:#9fb0c2;
  --accent:#5aa7ff;

  /* paper */
  --paper:#f4f1e8;
  --paper2:#f1edde;
  --ink:#1b2430;
  --rule: rgba(25,45,80,.18);
  --rule2: rgba(25,45,80,.10);
  --spine:#d2c7b7;
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--text);}
.bg{
  background: radial-gradient(1200px 600px at 10% -10%, #142033 0%, transparent 60%),
              radial-gradient(900px 500px at 90% 0%, #1b2230 0%, transparent 55%),
              linear-gradient(180deg, var(--bg1), var(--bg2));
}

/* Top bar */
.topbar{position:sticky;top:0;z-index:5;background:rgba(10,14,20,.75);backdrop-filter: blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.top-inner{max-width:1100px;margin:0 auto;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;gap:10px;align-items:center}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent) !important;box-shadow:0 0 0 3px rgba(90,167,255,.18)}
.brand-title{font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:12px;color:var(--muted)}
.top-actions{display:flex;gap:10px;align-items:center}
.datepick{display:flex;gap:8px;align-items:center}
input[type="date"]{
  background:#0f1622;color:var(--text);border:1px solid rgba(255,255,255,.10);
  border-radius:10px;padding:9px 10px;outline:none;
}

/* Buttons */
.btn{
  border:1px solid rgba(255,255,255,.10);
  background:var(--accent) !important;color:#06101c;
  padding:10px 14px;border-radius:12px;font-weight:800;cursor:pointer;
}
.btn.small{padding:9px 12px;border-radius:10px;font-weight:800}
.btn.ghost{background:transparent;color:var(--text)}
.btn.ghost:hover{border-color:rgba(255,255,255,.22)}

/* Layout */
.wrap{max-width:1100px;margin:0 auto;padding:18px}
.toast{
  margin:12px 0 16px;
  display:inline-block;
  background:rgba(16,42,25,.85);
  border:1px solid rgba(36,76,51,.8);
  padding:10px 12px;border-radius:12px;
}

/* Book */
.book{
  position:relative;
  border-radius:18px;
  padding:22px;
}
.pages{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  position:relative;
}

/* spine */
.spine{
  position:absolute;left:50%;top:18px;bottom:18px;width:18px;transform:translateX(-50%);
  background:linear-gradient(180deg, rgba(210,199,183,.55), rgba(210,199,183,.25));
  border-left:1px solid rgba(0,0,0,.15);
  border-right:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
}

/* Page */
.page{
  background:linear-gradient(180deg, var(--paper), var(--paper2));
  border-radius:16px;
  padding:18px 16px 14px;
  color:var(--ink);
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
  position:relative;
  overflow:hidden;
}
.page:before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(600px 140px at 50% -40px, rgba(0,0,0,.10) 0%, transparent 55%),
    radial-gradient(400px 100px at 50% 120%, rgba(0,0,0,.05) 0%, transparent 60%);
  pointer-events:none;
}
.page.left{border-top-right-radius:10px;border-bottom-right-radius:10px}
.page.right{border-top-left-radius:10px;border-bottom-left-radius:10px}

/* Header inside page */
.page-head{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:10px;margin-bottom:12px;position:relative;z-index:1;
}
.page-head.right{justify-content:space-between}
.tiny{font-size:12px;letter-spacing:.8px;text-transform:lowercase;color:rgba(27,36,48,.65)}
.page-date{display:flex;gap:8px;align-items:baseline;color:rgba(27,36,48,.75);font-weight:700}
.page-date .day{font-size:14px}
.page-date .mon{font-size:12px}

/* Blocks */
.blocks{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.block{border-top:1px solid rgba(0,0,0,.06);padding-top:10px}
.block:first-child{border-top:none;padding-top:0}
.year{font-size:12px;color:rgba(27,36,48,.70);font-weight:800;margin-bottom:6px}

/* Lined textarea */
textarea.paper{
  width:100%;
  border:none;
  outline:none;
  resize:vertical;
  color:var(--ink);
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0px,
      transparent 22px,
      var(--rule) 23px,
      transparent 24px
    );
  padding:6px 8px 6px;
  font: 14px/24px ui-serif, Georgia, "Times New Roman", serif;
  border-radius:10px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.08);
}
textarea.paper:focus{box-shadow: inset 0 0 0 2px rgba(90,167,255,.35)}

/* Save row */
.save-row{
  display:flex;gap:12px;align-items:center;justify-content:space-between;
  margin-top:12px;padding-top:12px;border-top:1px solid rgba(0,0,0,.08);
  position:relative;z-index:1;
}
.muted{color:rgba(27,36,48,.60);font-size:12px}

/* Login */
.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:22px}
.login-card{
  width:min(520px, 100%);
  background:rgba(15,21,32,.92);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:18px;
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.login-head{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.badge{width:44px;height:44px;border-radius:14px;background:rgba(90,167,255,.18);display:flex;align-items:center;justify-content:center;font-size:20px}
.login-card h1{margin:0 0 4px;font-size:18px}
.login-card p{margin:0;color:rgba(232,238,246,.70)}
.form{margin-top:12px}
.form label{display:block;font-size:12px;color:rgba(232,238,246,.70);margin:0 0 8px}
.form input{
  width:100%;padding:12px 12px;border-radius:12px;
  background:#0f1622;color:var(--text);
  border:1px solid rgba(255,255,255,.10);outline:none;
  margin-bottom:12px;
}
.alert{
  background:rgba(120,30,55,.35);
  border:1px solid rgba(255,120,160,.25);
  padding:10px 12px;border-radius:12px;margin:10px 0 0;
}
.login-foot{margin-top:12px;color:rgba(232,238,246,.60);font-size:12px}
code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:8px}

/* Responsive: single page on mobile */
@media (max-width: 900px){
  .pages{grid-template-columns:1fr}
  .spine{display:none}
  .page.left,.page.right{border-radius:16px}
  .save-row{flex-direction:column;align-items:flex-start}
}

/* Cover themes (boekje kleur) */
.cover-red { --accent:#ff4d6d; }
.cover-black { --accent:#c9d1d9; }
.cover-green { --accent:#6ac51f; }
.cover-blue { --accent:#5aa7ff; }

/* Settings page card */
.card-dark{
  background:rgba(15,21,32,.92);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:18px;
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.h2{margin:0 0 6px;font-size:18px;color:var(--text)}
.p{margin:0 0 14px;color:rgba(232,238,246,.72)}
.form-grid label{display:block;font-size:12px;color:rgba(232,238,246,.70);margin:0 0 8px}
.form-grid input,.form-grid select{
  width:100%;padding:12px 12px;border-radius:12px;
  background:#0f1622;color:var(--text);
  border:1px solid rgba(255,255,255,.10);outline:none;
  margin-bottom:8px;
}
.help{font-size:12px;color:rgba(232,238,246,.55);margin-bottom:12px}
.actions-row{display:flex;align-items:center;gap:12px;margin-top:6px}

.sep{border:none;border-top:1px solid rgba(255,255,255,.08);margin:16px 0}
.h3{margin:0 0 6px;font-size:15px;color:var(--text)}
.export-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.export-grow{flex:1;min-width:240px}
.export-actions{display:flex;gap:10px}

/* Autosave status */
.status{
  font-weight:800;
  font-size:12px;
  padding:8px 10px;
  border-radius:12px;
  background:rgba(0,0,0,.06);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.10);
}

/* Bladerknoppen */
.nav-arrows{display:flex;gap:8px;align-items:center}
.nav-arrows .btn{min-width:40px;text-align:center;font-size:18px;line-height:1;padding:8px 12px}