/* ---------------- base & theme vars ---------------- */
:root{
  --bg: #FBF7F2;         /* warm cream */
  --text: #372919;       /* warm brown */
  --muted: rgba(55,33,25,0.6);
  --accent: #8b5e3c;     /* amber-brown */
  --panel: rgba(255,255,255,0.85);
  --card-shadow: rgba(55,33,25,0.06);
  --btn-bg: linear-gradient(180deg,#8b5e3c,#6e4326);
  --btn-shadow: rgba(110,67,38,0.14);
}

:root[data-theme="dark"]{
  --bg: #151413;        /* deep espresso */
  --text: #efe7e2;      /* warm off-white */
  --muted: rgba(255,235,225,0.6);
  --accent: #d9b777;    /* muted gold */
  --panel: rgba(255,255,255,0.03);
  --card-shadow: rgba(0,0,0,0.6);
  --btn-bg: linear-gradient(180deg,#6b4f3a,#5a3f2c);
  --btn-shadow: rgba(0,0,0,0.5);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family: Inter, "Segoe UI", Roboto, system-ui, -apple-system, Arial;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition: background 300ms ease, color 300ms ease;
}

/* theme toggle top-right */
#mode-toggle{
  position:fixed; right:18px; top:18px;
  width:44px; height:44px; border-radius:10px; border:none;
  display:flex;align-items:center;justify-content:center;
  background: rgba(55,33,25,0.06); cursor:pointer;
  transition: transform 150ms ease, background 200ms;
  z-index:60;
  color:var(--accent);
}
#mode-toggle:hover{ transform: translateY(-3px); }

/* show sun only in light mode, moon only in dark mode */
#moon { display: none; }
:root[data-theme="dark"] #moon { display: inline; }
:root[data-theme="dark"] #sun { display: none; }

.theme-icon { font-size: 30px; line-height: 1; }


/* landing centered */
.landing{
  min-height:100vh;
  display:flex; align-items:center; justify-content:center;
  padding: 64px 20px;
}
.landing-inner{
  width:100%; max-width:860px; border-radius:16px;
  padding:48px; text-align:center;
  background: linear-gradient(180deg, rgba(255,255,255,0.7), rgba(255,255,255,0.45));
  box-shadow: 0 10px 30px var(--card-shadow);
}
:root[data-theme="dark"] .landing-inner{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  box-shadow: 0 12px 40px var(--card-shadow);
}

.landing-title-row{display:flex;align-items:center;gap:12px;justify-content:center}
.flag-inline{width:40px;height:28px}
.huge{font-size:3.2rem;line-height:1; font-weight:700; color:var(--text)}
.where{margin-top:22px;color:var(--muted);font-size:1.05rem}
.landing-buttons{margin-top:28px;display:flex;flex-direction:column;gap:12px;align-items:center}
.primary{
  min-width:220px;
  background:var(--btn-bg); color:#fff; border:none; padding:14px 22px; border-radius:12px;
  font-weight:700; cursor:pointer; box-shadow:0 8px 22px var(--btn-shadow);
  transition: transform 140ms ease, box-shadow 140ms;
}
.primary:hover{ transform: translateY(-4px); box-shadow: 0 14px 30px var(--btn-shadow); }

/* app layout */
.app{padding:48px 20px}
.card{max-width:1120px;margin:0 auto;display:flex;gap:28px;align-items:flex-start}
.sidebar{width:25%;min-width:220px;padding:18px;border-radius:12px;background:rgba(55,33,25,0.03); margin-right: 40px;}
:root[data-theme="dark"] .sidebar{background: rgba(255,255,255,0.02)}
.sidebar h3{font-size:1rem;margin-bottom:8px;color:var(--text)}
.cat-list{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.cat-item{
  background: linear-gradient(180deg, rgba(255,255,255,0.68), rgba(255,255,255,0.5));
  padding:10px 12px;border-radius:10px;cursor:pointer;font-weight:700;color:var(--text);
  transition: transform 120ms ease, box-shadow 120ms;
  box-shadow: 0 6px 12px rgba(55,33,25,0.05);
}
.cat-item:hover{ transform: translateY(-4px); box-shadow: 0 12px 28px rgba(55,33,25,0.08) }
:root[data-theme="dark"] .cat-item{ background: rgba(255,255,255,0.02); color:var(--text); box-shadow: 0 6px 12px rgba(0,0,0,0.5) }

/* panel */
.panel{flex:1;background:var(--panel);padding:22px;border-radius:12px;box-shadow: 0 10px 30px var(--card-shadow)}
.view{margin-top:4px}
.hidden{display:none}

/* learning list styles */
#learning-list p{padding:10px 14px;border-radius:10px;margin-bottom:10px;background:rgba(55,33,25,0.03);color:var(--text)};
:root[data-theme="dark"] #learning-list p{background: rgba(255,255,255,0.02)}

/* flashcard area */
#flashcard-top{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
.english{font-size:1.6rem;font-weight:800}
.hint{color:var(--muted);letter-spacing:2px}
#answer{width:78%;padding:12px 14px;border-radius:12px;border:1px solid rgba(55,33,25,0.10);font-size:1.05rem;outline:none}
#answer:focus{box-shadow:0 10px 30px rgba(139,94,60,0.12);border-color:rgba(139,94,60,0.28)}
.controls{display:flex;align-items:center;gap:12px;margin-top:8px}
.btn-primary{background:var(--btn-bg);color:#fff;border:none;padding:10px 14px;border-radius:10px;font-weight:800;cursor:pointer}
.btn-primary:disabled{opacity:.55;cursor:not-allowed}
.feedback{font-weight:800;min-height:28px}
.feedback.correct{color:#2a7b36}
.feedback.close{color:#b76b11}
.feedback.incorrect{color:#9b1f23}

.back{margin-top:18px;background:transparent;border:1px solid rgba(55,33,25,0.08);padding:10px 12px;border-radius:10px;cursor:pointer}

/* bottom back */
.app-bottom{display:flex;justify-content:center;margin-top:22px}

/* responsive */
@media(max-width:980px){
  .card{flex-direction:column;padding:12px}
  .sidebar{width:100%;display:flex;overflow-x:auto;flex-direction:row;gap:8px;padding:12px}
  .cat-list{flex-direction:row}
  .panel{width:100%}
  #answer{width:100%}
}

.letter-card{
  display:inline-block;
  margin:6px;
  padding:14px 18px;
  font-size:1.2rem;
  font-weight:700;
  border-radius:10px;
  background:var(--btn-bg);
  color:#fff;
  border:none;
  cursor:default;
  box-shadow:0 6px 16px var(--btn-shadow);
  transition: transform 120ms ease;
}
.letter-card:hover{
  transform: translateY(-3px);
  box-shadow:0 10px 20px var(--btn-shadow);
}

.letter-row {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 12px; /* normal spacing */
}

/* Extra space before Norwegian-only letters */
.letter-row.norwegian {
  margin-top: 24px; /* adds more space above Æ Ø Å */
}

/* Space between the panel title and the content */
.panel h2 {
  margin-bottom: 32px; /* bigger than before to make it noticeable */
  font-size: 1.8rem;
}

/* Learning list spacing */
#learning-list {
  display: flex;
  flex-direction: column;
  gap: 16px; /* space between rows or paragraphs */
}

/* Make sure each paragraph inside learning list has no conflicting margin */
#learning-list p {
  margin: 0; /* keep as before */
  padding: 10px 14px;
}

/* Extra space above Norwegian letters row */
.letter-row.norwegian {
  margin-top: 32px; /* pushes the Norwegian letters down */
}

/* Sidebar title spacing */
.sidebar h3 {
  margin-bottom: 30px; /* space below "Categories" */
  font-size: 1.1rem;   /* slightly bigger if you want */
}

/* Category buttons spacing */
.cat-list {
  display: flex;
  flex-direction: column;
  gap: 12px; /* space between each category button */
  margin-top: 8px; /* optional extra spacing from h3 */
}

/* Make buttons look like cards/fancy buttons */
.cat-item {
  background: linear-gradient(180deg, rgba(255,255,255,0.68), rgba(255,255,255,0.5));
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms;
  box-shadow: 0 6px 12px rgba(55,33,25,0.05);
}

.cat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(55,33,25,0.08);
}

:root[data-theme="dark"] .cat-item {
  background: rgba(255,255,255,0.02);
  color: var(--text);
  box-shadow: 0 6px 12px rgba(0,0,0,0.5);
}