style.css

:root {
  --bg-top: #f7efe2;
  --bg-bottom: #dbe7f6;
  --panel: rgba(255, 251, 245, 0.72);
  --panel-border: rgba(84, 72, 61, 0.12);
  --text-main: #2f241d;
  --text-soft: #6f6259;
  --shadow-soft: 0 18px 45px rgba(90, 76, 61, 0.12);
  --shadow-note: 0 18px 30px rgba(92, 73, 51, 0.14);
  --accent: #d96c3f;
  --accent-strong: #bc5230;
  --card-radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 28%),
    radial-gradient(circle at right 18%, rgba(244, 181, 137, 0.4), transparent 24%),
    linear-gradient(145deg, var(--bg-top), var(--bg-bottom));
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(6px);
  opacity: 0.65;
}

body::before {
  width: 320px;
  height: 320px;
  top: 70px;
  right: 8%;
  background: rgba(255, 212, 182, 0.5);
}

body::after {
  width: 240px;
  height: 240px;
  bottom: 70px;
  left: 4%;
  background: rgba(189, 210, 255, 0.45);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 56px;
}

.hero,
.board-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  border-radius: 32px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 36px;
  margin-bottom: 24px;
}

.hero::after,
.board-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.24), transparent 50%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.heading {
  margin: 0;
  max-width: 620px;
  font-family: "Gill Sans", "Trebuchet MS", sans-serif;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-text,
.board-subtitle {
  margin: 12px 0 0;
  max-width: 600px;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.65;
}

.add-note-hero,
.note_btn {
  border: 0;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.add-note-hero {
  flex-shrink: 0;
  padding: 16px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fffaf5;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 16px 28px rgba(190, 82, 48, 0.28);
}

.add-note-hero:hover,
.note_btn:hover {
  transform: translateY(-2px);
}

.board-panel {
  padding: 26px;
}

.board-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.board-title {
  margin: 0;
  font-family: "Gill Sans", "Trebuchet MS", sans-serif;
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.count-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border: 1px solid rgba(96, 77, 59, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  color: var(--text-main);
  font-weight: 700;
}

.count-badge span {
  font-size: 1.1rem;
}

.app {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}

.note-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 235px;
  border-radius: var(--card-radius);
  border: 1px solid rgba(73, 58, 46, 0.08);
  box-shadow: var(--shadow-note);
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
  animation: card-in 220ms ease;
}

.note-wrapper:hover,
.note-wrapper:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 22px 35px rgba(92, 73, 51, 0.2);
}

.note-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 14px 0;
}

.note-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.color-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  color: rgba(47, 36, 29, 0.78);
  font-size: 0.78rem;
  font-weight: 600;
  backdrop-filter: blur(6px);
}

.note {
  width: 100%;
  flex: 1;
  min-height: 180px;
  padding: 14px 20px 20px;
  border: 0;
  resize: vertical;
  font-size: 1rem;
  line-height: 1.6;
  background: transparent;
  outline: none;
}

.note::placeholder {
  color: rgba(65, 56, 49, 0.44);
}

.note:focus {
  box-shadow: none;
}

.note_btn {
  min-height: 235px;
  border-radius: var(--card-radius);
  border: 1.5px dashed rgba(92, 73, 51, 0.2);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(255, 244, 233, 0.82));
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.note_btn:hover {
  box-shadow: 0 18px 26px rgba(92, 73, 51, 0.12);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 232, 212, 0.95));
}

.delete-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(73, 58, 46, 0.12);
  background: rgba(255, 250, 245, 0.9);
  color: #7e3e2f;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  border-radius: 999px;
  box-shadow: 0 10px 16px rgba(90, 76, 61, 0.08);
  transition: background 160ms ease, transform 160ms ease;
}

.delete-icon:hover {
  background: rgba(255, 238, 232, 0.98);
  transform: translateY(-1px);
}

.color-picker {
  appearance: none;
  padding: 0;
  width: 26px;
  height: 26px;
  overflow: hidden;
  border: 2px solid rgba(255, 250, 245, 0.95);
  border-radius: 50%;
  background: none;
  cursor: pointer;
}

.color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker::-webkit-color-swatch {
  border: none;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 780px) {
  .shell {
    width: min(100% - 20px, 1180px);
    padding-top: 20px;
  }

  .hero,
  .board-panel {
    border-radius: 26px;
  }

  .hero {
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 20px;
  }

  .board-panel {
    padding: 20px;
  }

  .board-top {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 18px;
  }

  .add-note-hero,
  .count-badge {
    width: 100%;
    justify-content: center;
  }

  .app {
    grid-template-columns: 1fr;
  }

  .note-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .delete-icon {
    width: 100%;
  }
}