:root {
  --cream: #faf1ef;
  --paper: #fffaf8;
  --blush: #e3c3c6;
  --rose: #7d2833;
  --rose-dark: #591b23;
  --gold: #b08d57;
  --ink: #3c2426;
  --ink-soft: #7a5a5c;
  --shadow: 0 10px 30px rgba(89, 27, 35, 0.18);
  --radius: 18px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, #fff 0%, var(--cream) 45%, var(--blush) 140%);
  font-family: "EB Garamond", "Cormorant Garamond", serif;
  color: var(--ink);
  position: relative;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: "Playfair Display", serif;
  margin: 0;
}

.hidden { display: none !important; }

/* ---------------- floating petals ---------------- */
.petals {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.petal {
  position: absolute;
  top: -5vh;
  color: var(--rose);
  opacity: 0.35;
  animation: fall linear infinite;
}
@keyframes fall {
  0% { transform: translateY(-5vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.35; }
  90% { opacity: 0.35; }
  100% { transform: translateY(105vh) rotate(200deg); opacity: 0; }
}

/* ---------------- login ---------------- */
.view-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding: 24px;
}

.login-card {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  border: 1px solid rgba(216, 140, 154, 0.25);
}

.login-mark {
  color: var(--gold);
  font-size: 22px;
  margin-bottom: 6px;
}

.site-title {
  font-size: 32px;
  color: var(--rose-dark);
  font-style: italic;
}

.login-sub {
  color: var(--ink-soft);
  margin: 8px 0 32px;
  font-size: 18px;
}

.who-picker {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.who-card {
  flex: 1;
  min-width: 130px;
  background: linear-gradient(160deg, #fff, var(--blush));
  border: 1px solid rgba(216, 140, 154, 0.35);
  border-radius: 14px;
  padding: 24px 12px;
  cursor: pointer;
  font-family: "Playfair Display", serif;
  font-size: 18px;
  color: var(--rose-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.who-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(184, 101, 122, 0.25);
}
.who-heart { font-size: 26px; color: var(--rose); }

.password-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}

.password-prompt {
  font-size: 17px;
  color: var(--ink-soft);
  margin: 4px 0 0;
}

.link-btn {
  background: none;
  border: none;
  color: var(--ink-soft);
  text-decoration: underline;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  align-self: flex-start;
}
.link-btn.danger { color: #b3453f; }

#password-input {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(216, 140, 154, 0.4);
  font-size: 16px;
  font-family: inherit;
  background: #fff;
}

.primary-btn {
  background: linear-gradient(135deg, var(--rose), var(--rose-dark));
  color: #fff;
  border: none;
  padding: 13px 20px;
  border-radius: 999px;
  font-family: "Playfair Display", serif;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(184, 101, 122, 0.35);
  transition: transform 0.15s ease;
}
.primary-btn:hover { transform: translateY(-2px); }
.primary-btn:disabled { opacity: 0.6; cursor: default; transform: none; }

.login-error {
  color: #b3453f;
  font-size: 14px;
  min-height: 18px;
  margin: 0;
}

/* ---------------- app shell ---------------- */
.view-app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 18px 32px;
  background: rgba(255, 250, 245, 0.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(216, 140, 154, 0.25);
  position: sticky;
  top: 0;
}

.app-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
}
.app-header-mark { color: var(--gold); font-size: 18px; }
.app-header-title h1 {
  font-size: 22px;
  font-style: italic;
  color: var(--rose-dark);
}

.tabs { display: flex; gap: 8px; }
.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--ink-soft);
  font-family: "Playfair Display", serif;
  font-size: 15px;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
}
.tab-btn.active {
  background: var(--blush);
  color: var(--rose-dark);
  border-color: rgba(216, 140, 154, 0.4);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.current-user-label { color: var(--ink-soft); font-size: 14px; }
.ghost-btn {
  background: transparent;
  border: 1px solid rgba(216, 140, 154, 0.4);
  color: var(--rose-dark);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
}

main.tab-panel {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.panel-title {
  font-size: 26px;
  color: var(--rose-dark);
  font-style: italic;
  margin-bottom: 24px;
}

/* ---------------- write form ---------------- */
.letter-form {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  border: 1px solid rgba(216, 140, 154, 0.2);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.field span { font-size: 13px; color: var(--ink-soft); letter-spacing: 0.03em; text-transform: uppercase; }
.field input, .field select, .field textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(216, 140, 154, 0.35);
  font-family: "Cormorant Garamond", serif;
  font-size: 17px;
  background: #fff;
  color: var(--ink);
}
.field textarea { resize: vertical; line-height: 1.6; }

.field-row { display: flex; gap: 16px; flex-wrap: wrap; }

.form-actions { display: flex; align-items: center; gap: 14px; }
.save-status { color: var(--rose-dark); font-size: 14px; }

/* ---------------- library ---------------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.filters input, .filters select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(216, 140, 154, 0.35);
  font-family: inherit;
  font-size: 14px;
  background: #fff;
  color: var(--ink);
}
.search-input { flex: 1; min-width: 200px; }

.results-count { color: var(--ink-soft); font-size: 13px; margin: 4px 0 20px; }

.letters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.envelope-card {
  text-align: left;
  background: var(--paper);
  border: 1px solid rgba(216, 140, 154, 0.25);
  border-radius: 14px;
  padding: 20px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(184, 101, 122, 0.1);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
}
.envelope-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(184, 101, 122, 0.22);
}
.envelope-card.unread { border-color: var(--rose); }

.unread-dot {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--rose-dark);
}

.envelope-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chip {
  background: var(--blush);
  color: var(--rose-dark);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: "Playfair Display", serif;
}

.envelope-date { font-size: 12px; color: var(--ink-soft); }

.envelope-title {
  font-size: 19px;
  color: var(--ink);
}

.envelope-snippet {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}

.envelope-card-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: auto;
}
.envelope-mood { font-style: italic; }

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  padding: 60px 20px;
  font-size: 18px;
}

/* ---------------- modal ---------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(90, 64, 56, 0.35);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}

.modal-letter {
  background: var(--paper);
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(90, 64, 56, 0.35);
  padding: 40px;
  position: relative;
  border: 1px solid rgba(216, 140, 154, 0.3);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--ink-soft);
  cursor: pointer;
  line-height: 1;
}

.modal-letter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.modal-date { font-size: 13px; color: var(--ink-soft); }

.modal-title {
  font-size: 28px;
  color: var(--rose-dark);
  font-style: italic;
  margin-bottom: 6px;
}

.modal-meta {
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 24px;
}

.modal-content {
  font-size: 19px;
  line-height: 1.8;
  color: var(--ink);
  white-space: pre-wrap;
  font-family: "Cormorant Garamond", serif;
}

.modal-footer {
  margin-top: 28px;
  display: flex;
  justify-content: flex-end;
  gap: 18px;
}

.modal-edit-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---------------- image uploads ---------------- */
.image-upload-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.image-input { display: none; }
.image-upload-label {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1.5px dashed rgba(216, 140, 154, 0.55);
  border-radius: 10px;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 14px;
  align-self: flex-start;
  transition: border-color 0.15s, color 0.15s;
}
.image-upload-label:hover {
  border-color: var(--rose);
  color: var(--rose-dark);
}
.image-previews {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.image-thumb-wrap { position: relative; }
.image-thumb {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(216, 140, 154, 0.35);
  display: block;
}
.image-thumb-remove {
  position: absolute;
  top: -7px;
  right: -7px;
  background: var(--rose-dark);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

/* ---------------- modal images ---------------- */
.modal-images {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.modal-image {
  flex: 1 1 200px;
  max-width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(216, 140, 154, 0.25);
}

@media (max-width: 640px) {
  .app-header { padding: 14px 18px; }
  .login-card { padding: 36px 24px; }
  .modal-letter { padding: 28px 22px; }
}