:root {
  --bg: #f7f6f2;
  --ink: #1f1d19;
  --muted: #6d655b;
  --card: #ffffff;
  --line: #e6e0d7;
  --primary: #2f5a4f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(800px 500px at 20% 0%, #fff5e8, transparent 60%), var(--bg);
  color: var(--ink);
  font-family: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

.header h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
}

.sub {
  margin: 0;
  color: var(--muted);
}

.panel {
  margin-top: 28px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

input[type="datetime-local"],
textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  background: #fffdf8;
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 70px;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(47, 90, 79, 0.25);
  border-color: var(--primary);
}

.helper {
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}

.error {
  margin: 0;
  color: #b13a2b;
  min-height: 18px;
}

.primary {
  border: none;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.ghost {
  border: 1px solid var(--line);
  background: #fffaf4;
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 13px;
  cursor: pointer;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.file-button input[type="file"] {
  display: none;
}

.emoji {
  display: grid;
  gap: 10px;
}

.emoji-toggle {
  align-self: flex-start;
}

.emoji-panel {
  display: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #fffefb;
  box-shadow: 0 12px 24px rgba(31, 29, 25, 0.08);
}

.emoji-panel.is-open {
  display: grid;
  gap: 12px;
  animation: fadeIn 0.2s ease;
}

.emoji-group {
  display: grid;
  gap: 6px;
}

.emoji-title {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.emoji-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.emoji-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 6px 8px;
  font-size: 18px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.emoji-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(31, 29, 25, 0.08);
}

.list {
  margin-top: 36px;
}

.list h2 {
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--muted);
}

.entries {
  display: grid;
  gap: 12px;
}

.entry-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  padding: 14px 16px;
}

.entry-time {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--muted);
}

.entry-text {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

@media (max-width: 560px) {
  .panel {
    padding: 16px;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}