@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Sans:wght@300;400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #f5f0e8;
  --surface:  #fdfaf4;
  --border:   #ddd5c0;
  --text:     #1a1814;
  --muted:    #8c8070;
  --accent:   #c84b2f;
  --accent-h: #a83a20;
  --danger:   #c0392b;
  --radius:   6px;
  --shadow:   0 1px 6px rgba(0,0,0,.08);
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 300;
}

h1, h2, h3 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Navbar ---- */
.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 2.5rem;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand {
  font-family: 'Instrument Serif', serif;
  font-size: 1.35rem;
  color: var(--text);
  letter-spacing: 0.01em;
}
.nav-brand:hover { text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: .75rem; }
.nav-user { font-size: .85rem; color: var(--muted); font-weight: 300; }

/* ---- Container ---- */
.container { max-width: 880px; margin: 0 auto; padding: 2.5rem 2rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .5rem 1.25rem;
  border-radius: var(--radius);
  font-family: 'DM Sans', sans-serif;
  font-size: .875rem;
  font-weight: 400;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.btn-primary  { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); text-decoration: none; }
.btn-ghost    { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg); text-decoration: none; }
.btn-danger   { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; text-decoration: none; }
.btn-sm   { padding: .35rem .9rem; font-size: .82rem; }
.btn-full { width: 100%; }

/* ---- Alerts ---- */
.alert { padding: .75rem 1.1rem; border-radius: var(--radius); margin-bottom: 1.25rem; font-size: .9rem; border-left: 3px solid; }
.alert-success { background: #f0f7f0; border-color: #5a9e6f; color: #2d6a40; }
.alert-error   { background: #fdf0ee; border-color: var(--accent); color: var(--accent-h); }

/* ---- Page header ---- */
.page-header { margin-bottom: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 1.25rem; }
.page-header h1 { font-size: 2.2rem; line-height: 1.2; }
.subtitle { color: var(--muted); font-size: .88rem; margin-top: .35rem; font-weight: 300; }

/* ---- Search bar ---- */
.search-form { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 2rem; }
.input {
  padding: .55rem .9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .9rem;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color .15s;
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
}
.input:focus { border-color: var(--accent); }
.search-form .input:first-child { flex: 1; min-width: 180px; }
.select-input { cursor: pointer; }

/* ---- Entries grid ---- */
.entries-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.25rem; }
.entry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: block;
  transition: box-shadow .15s, transform .15s;
  color: var(--text);
}
.entry-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  text-decoration: none;
}
.entry-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .75rem; }
.mood-badge {
  font-size: .75rem;
  padding: .2rem .65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.03em;
}
.mood-large { font-size: .88rem; padding: .3rem .85rem; }
.entry-date { font-size: .75rem; color: var(--muted); font-weight: 300; }
.entry-title {
  font-family: 'Instrument Serif', serif;
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: .5rem;
  line-height: 1.3;
}
.entry-excerpt { font-size: .875rem; color: var(--muted); line-height: 1.6; font-weight: 300; }

/* ---- Empty state ---- */
.empty-state { text-align: center; padding: 5rem 2rem; color: var(--muted); }
.empty-icon { font-size: 2.5rem; margin-bottom: 1rem; }

/* ---- Entry detail ---- */
.detail-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }
.back-link { color: var(--muted); font-size: .88rem; font-weight: 300; }
.back-link:hover { color: var(--text); }
.detail-actions { display: flex; gap: .5rem; }
.entry-detail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}
.entry-meta { display: flex; align-items: center; gap: .85rem; margin-bottom: 1.25rem; }
.detail-title { font-size: 2.4rem; line-height: 1.2; margin-bottom: 2rem; }
.entry-content { font-size: 1.05rem; line-height: 1.85; color: var(--text); font-weight: 300; }
.entry-content p { margin-bottom: 1.1rem; }

/* ---- Forms ---- */
.form-page { max-width: 660px; }
.form-page h1 { font-size: 2rem; margin-bottom: 1.75rem; }
.diary-form { display: flex; flex-direction: column; gap: 1.35rem; }
.form-group { display: flex; flex-direction: column; gap: .45rem; }
.form-group label { font-size: .85rem; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.form-group .input { width: 100%; }
.textarea { resize: vertical; min-height: 240px; line-height: 1.7; }
.form-actions { display: flex; gap: .75rem; padding-top: .5rem; }
.field-error { font-size: .82rem; color: var(--danger); }
.field-hint  { font-size: .82rem; color: var(--muted); font-weight: 300; }

/* ---- Auth ---- */
.auth-page { min-height: calc(100vh - 58px); display: flex; align-items: center; justify-content: center; padding: 2rem; }
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.75rem;
  width: 100%;
  max-width: 420px;
}
.auth-card h1 { font-size: 1.9rem; margin-bottom: 1.75rem; }
.auth-footer { margin-top: 1.25rem; font-size: .875rem; text-align: center; color: var(--muted); font-weight: 300; }