/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* hidden 属性は ID セレクタ等より詳細度が低いので明示的に無効化 */
[hidden] { display: none !important; }

:root {
  --bg: #f6efe8;            /* warm cream */
  --bg-soft: #efe2d8;
  --paper: #fbf6f0;         /* note paper */
  --rose: #c98a9b;          /* dusty rose */
  --rose-deep: #a86878;
  --rose-darker: #8e5365;
  --accent: #e6c7c2;        /* muted blush */
  --line: #e9d9d3;
  --text: #4a3540;          /* dark plum */
  --text-soft: #7a5a66;
  --text-fade: #a98c95;
  --error: #b25068;
  --shadow: 0 10px 30px rgba(120, 70, 85, 0.10);
}

html, body {
  font-family: "Hiragino Sans", "ヒラギノ角ゴシック", "Yu Gothic", "游ゴシック", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt" 1;
}

body {
  background-image:
    radial-gradient(circle at 12% 8%, #f0dfd5 0, transparent 38%),
    radial-gradient(circle at 88% 92%, #ecd9d6 0, transparent 38%),
    radial-gradient(circle at 50% 50%, #faf2ec 0, transparent 60%);
  background-attachment: fixed;
}

.screen { min-height: 100vh; padding: 40px 18px; }

/* Heading font stack — mincho for an elegant, grown-up feel */
.auth-title,
.site-title,
.entry-title {
  font-family: "Hiragino Mincho ProN", "ヒラギノ明朝 ProN", "Yu Mincho", "游明朝", "Noto Serif JP", "Times New Roman", serif;
  font-weight: 500;
}

/* ---------- auth screen ---------- */
#auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 44px 32px 32px;
  width: 100%;
  max-width: 360px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
}

.auth-card::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  pointer-events: none;
}

.auth-kicker {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--text-fade);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.auth-title {
  font-size: 22px;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  color: var(--rose-deep);
}

.auth-sub {
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

#auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#password-input {
  font-family: inherit;
  font-size: 18px;
  text-align: center;
  padding: 13px 16px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  background: #fff;
  outline: none;
  letter-spacing: 0.55em;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

#password-input::placeholder {
  color: #d9bcc1;
  letter-spacing: 0.4em;
}

#password-input:focus {
  border-color: var(--rose);
  box-shadow: 0 0 0 3px rgba(201, 138, 155, 0.15);
}

.enter-btn {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 13px;
  padding: 12px 16px;
  background: var(--rose-deep);
  color: #fff;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.3em;
  transition: background 0.2s, transform 0.05s;
}

.enter-btn:hover  { background: var(--rose-darker); }
.enter-btn:active { transform: translateY(1px); }

.error {
  color: var(--error);
  font-size: 12px;
  margin-top: 6px;
  letter-spacing: 0.04em;
}

.auth-hint {
  font-size: 11px;
  color: var(--text-fade);
  margin-top: 20px;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}
.shake { animation: shake 0.35s; }

/* ---------- diary screen ---------- */
#diary-screen {
  max-width: 640px;
  margin: 0 auto;
}

.site-header {
  text-align: center;
  padding: 20px 0 36px;
  position: relative;
}

.site-eyebrow {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--text-fade);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.site-title {
  font-size: 32px;
  color: var(--rose-deep);
  margin-bottom: 14px;
  letter-spacing: 0.2em;
  position: relative;
  display: inline-block;
}

.site-title::before,
.site-title::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.site-title::before { right: 100%; margin-right: 14px; }
.site-title::after  { left: 100%;  margin-left: 14px; }

.site-tagline {
  font-size: 12px;
  color: var(--text-soft);
  letter-spacing: 0.08em;
}

.logout-btn {
  position: absolute;
  top: 16px;
  right: 0;
  font-family: inherit;
  font-size: 11px;
  padding: 6px 14px;
  background: transparent;
  color: var(--text-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.logout-btn:hover {
  background: var(--rose-deep);
  color: #fff;
  border-color: var(--rose-deep);
}

/* ---------- entry ---------- */
.entry {
  background: var(--paper);
  border-radius: 4px;
  padding: 28px 28px 24px;
  margin-bottom: 22px;
  box-shadow: 0 4px 18px rgba(120, 70, 85, 0.06);
  border: 1px solid var(--line);
}

.entry-meta {
  font-size: 10px;
  color: var(--text-fade);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.entry-meta .dot { margin: 0 6px; }

.entry-title {
  font-size: 20px;
  color: var(--rose-deep);
  margin-bottom: 18px;
  letter-spacing: 0.08em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.entry p {
  font-size: 14px;
  line-height: 2.1;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

/* polaroid-style image */
.entry-image {
  display: inline-block;
  margin: 18px auto 4px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  background: #fff;
  padding: 10px 10px 8px;
  border-radius: 2px;
  box-shadow: 0 8px 18px rgba(120, 70, 85, 0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  transform: rotate(-0.6deg);
}

.entry:nth-child(odd) .entry-image { transform: rotate(0.6deg); }

.entry-image:hover {
  transform: rotate(0deg) scale(1.015);
  box-shadow: 0 12px 24px rgba(120, 70, 85, 0.18);
}

.entry-image img {
  display: block;
  max-width: 100%;
  height: auto;
  background: #f0e1dc; /* visible if asset missing */
  min-height: 120px;
}

.entry-image .caption {
  display: block;
  font-size: 10px;
  color: var(--text-fade);
  margin-top: 8px;
  letter-spacing: 0.2em;
  text-transform: lowercase;
}

/* ---------- footer ---------- */
.site-footer {
  text-align: center;
  padding: 32px 0 48px;
  color: var(--text-fade);
}

.footer-mark {
  letter-spacing: 0.6em;
  margin-bottom: 10px;
  color: var(--accent);
}

.footer-sub {
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

/* ---------- mobile ---------- */
@media (max-width: 480px) {
  .screen { padding: 32px 14px; }
  .site-title { font-size: 26px; letter-spacing: 0.18em; }
  .site-title::before, .site-title::after { width: 18px; margin-right: 10px; margin-left: 10px; }
  .entry { padding: 22px 20px 18px; }
  .entry-title { font-size: 18px; }
  .logout-btn { font-size: 10px; padding: 5px 12px; }
}