@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;700&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --bg: #f5f0e8;
  --surface: #fffdf8;
  --surface-2: #f0ebe0; 
  --ink: #1a1612;
  --ink-muted: #4a4540;
  --accent: #4a7c7c;
  --accent-hover: #3a6363;
  --border: #d8d0c4;
  --shadow: rgba(26, 22, 18, 0.08);
  --shadow-lg: rgba(26, 22, 18, 0.18);
  --radius: 12px;
  --cat-personal: #f2a7b0;
  --cat-work: #a7c4f2;
  --cat-idea: #b5d8a8;
  --cat-journal: #c8b4e8;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

button, input[type="submit"] {
  cursor: pointer;
  appearance: none;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  background: var(--surface);
  border-bottom: 1.5px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

header h1::after {
  content: '.';
  color: var(--accent);
}

#addNoteBtn {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
  background-color: var(--accent);
  border: none;
  padding: 10px 22px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.15s, background-color 0.15s;
}

#addNoteBtn:hover {
  transform: translateY(-1px);
  background-color: var(--accent-hover);
}

#addNoteBtn:active {
  transform: translateY(0);
}

.category-filter {
  justify-content: center;
  margin-top: 10px;
}

.filter-button {
  border-radius: 20px;
  border: none;
  padding: 8px 20px;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--ink-muted)
}

.filter-button.active {
  border: 1.5px solid var(--ink);
  color: var(--ink);
}

.filter-button[data-category="All"] { background: #f2e6a7; }
.filter-button[data-category="Personal"] { background: var(--cat-personal); }
.filter-button[data-category="Work"] { background: var(--cat-work); }
.filter-button[data-category="Journal"] { background: var(--cat-journal); }
.filter-button[data-category="Idea"] { background: var(--cat-idea); }

.no-notes-warning {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 2rem;
  font-weight: 600;
}

#notesContainer {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  padding: 48px;
  max-width: 1400px;
  margin: 0 auto;
}

.note-card, .intro-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  min-height: 210px;
}

.note-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--shadow-lg);
}

.note-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink);
}

.note-card p {
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.65;
  overflow: hidden;
  max-height: 8rem;
}

.card-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  padding-bottom: 0.8rem;
}

.card-buttons button {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 10px;
  border-radius: 11px;
  border: none;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  transition: background 0.15s, transform 0.15s;
}

.card-buttons button:hover {
  transform: translateY(-1px);
}

.pop-up {
  margin: auto;
  border: none;
  border-radius: 16px;
  padding: 0;
  width: min(650px, 90vw);
  background: var(--surface);
  box-shadow: 0 24px 64px rgba(26, 22, 18, 0.22);
  overflow: hidden;
}

.pop-up::backdrop {
  background: rgba(26, 22, 18, 0.45);
}

.dialogHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 20px;
  border-bottom: 1.5px solid var(--border);
  background: var(--surface-2);
}

.dialogHeader h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.7rem;
  font-weight: 500;
  color: var(--ink);
}

.close-add-btn, .close-view-btn {
  background: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  color: var(--ink-muted);
  font-size: 1.2rem;
  padding: 0.25rem 0.5rem;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.close-add-btn:hover, .close-view-btn:hover {
  background-color: var(--accent);
}

.popUpContent {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 28px 0;
}

.popUpContent label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 10px;
}

.popUpContent label:first-child {
  margin-top: 0;
}

.popUpContent input,
.popUpContent textarea {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.popUpContent input:focus,
.popUpContent textarea:focus {
  border-color: var(--accent);
}

.popUpContent input::placeholder,
.popUpContent textarea::placeholder {
  color: #b8ae9e;
}

.popUpContent textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

#categoryBtns, .category-filter{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 4px;
}

.cat-btn {
  font-size: 0.87rem;
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  border: 1.5px solid transparent;
  cursor: pointer;
  color: var(--ink-muted);
}

.cat-btn.active {
  border-color: var(--ink);
  color: var(--ink);
}

.cat-btn[data-category="Personal"] { background: var(--cat-personal); }
.cat-btn[data-category="Work"] { background: var(--cat-work); }
.cat-btn[data-category="Journal"] { background: var(--cat-journal); }
.cat-btn[data-category="Idea"] { background: var(--cat-idea); }


.dialog-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 20px 0 24px;
}

.dialog-buttons button {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  cursor: pointer;
  background: transparent;
  color: var(--ink-muted);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.dialog-buttons button:hover {
  background: var(--surface-2);
  color: var(--ink);
}

#submitNoteBtn, #edit-button {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(200, 75, 47, 0.28);
  max-width: 8rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

#submitNoteBtn:hover, #edit-button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  header { padding: 20px 24px; }
  header h1 { font-size: 1.4rem; }
  #notesContainer { padding: 24px; gap: 16px; }
}