@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800;900&family=Space+Grotesk:wght@600;700;800&display=swap');

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

:root {
  --bg-canvas: #faf4ee;
  --bg-card: #ffffff;
  --black: #000000;
  
  --pink-flower: #ff75a0;
  --pink-soft: #ffe5ed;
  --yellow-flower: #ffd23f;
  --yellow-soft: #fff6cc;
  --purple-flower: #c490e4;
  --purple-soft: #f2e6ff;
  --green-flower: #4ebd93;
  --green-soft: #d6f6eb;
  --red-flower: #ff5964;

  --border-width: 3.5px;
  --shadow-main: 5px 5px 0px var(--black);
  --shadow-hover: 7px 7px 0px var(--black);
  --shadow-active: 2px 2px 0px var(--black);

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

#bgCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-canvas);
  background-image: 
    radial-gradient(circle at 12% 18%, rgba(255, 117, 160, 0.22) 0%, transparent 40%),
    radial-gradient(circle at 88% 82%, rgba(255, 210, 63, 0.22) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(196, 144, 228, 0.16) 0%, transparent 50%),
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 24px 24px, 24px 24px;
  color: var(--black);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Rendered email HTML (replaces the old sandboxed iframe) */
.modal-content.is-html {
  white-space: normal;
  padding: 16px;
  font-size: 14px;
  line-height: 1.7;
  word-break: break-word;
  -webkit-user-select: text;
  user-select: text;
}

.modal-content.is-html a {
  color: #2563eb;
  font-weight: 600;
  text-decoration: underline;
}

.modal-content.is-html img {
  max-width: 100%;
  height: auto;
}

.modal-content.is-html table {
  max-width: 100% !important;
}

.modal-content.is-html blockquote {
  margin: 8px 0;
  padding: 4px 12px;
  border-left: 3px solid #ccc;
  color: #444;
}

/* ---------------- Decorative Floating Flowers ---------------- */
.flower-bg-decor {
  position: fixed;
  font-size: 42px;
  user-select: none;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
  animation: floatFlower 6s ease-in-out infinite alternate;
}

.flower-1 { top: 40px; left: 30px; animation-delay: 0s; transform: rotate(-15deg); }
.flower-2 { top: 120px; right: 40px; animation-delay: 1.5s; transform: rotate(20deg); }
.flower-3 { bottom: 100px; left: 40px; animation-delay: 3s; transform: rotate(-10deg); }
.flower-4 { bottom: 60px; right: 50px; animation-delay: 4.5s; transform: rotate(15deg); }

@keyframes floatFlower {
  0% { transform: translateY(0px) rotate(-10deg); }
  100% { transform: translateY(-16px) rotate(15deg); }
}

/* ---------------- Layout Container ---------------- */
.app {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  position: relative;
  z-index: 1;
}

/* ---------------- Header Card ---------------- */
.header-card {
  background: var(--pink-soft);
  border: var(--border-width) solid var(--black);
  box-shadow: var(--shadow-main);
  border-radius: 18px;
  padding: 32px 24px 24px;
  text-align: center;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}

.header-badge {
  display: inline-block;
  background: var(--yellow-flower);
  color: var(--black);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 1px;
  padding: 6px 14px;
  border: 2.5px solid var(--black);
  border-radius: 50px;
  box-shadow: 2px 2px 0px var(--black);
  margin-bottom: 12px;
  text-transform: uppercase;
}

header h1 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--black);
  line-height: 1.1;
  margin-bottom: 6px;
  text-shadow: 2px 2px 0px var(--pink-flower);
}

header p {
  font-size: 15px;
  font-weight: 600;
  color: #333;
}

.auto-sync-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  background: var(--bg-card);
  border: 2px solid var(--black);
  border-radius: 30px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 2px 2px 0px var(--black);
}

.dot-pulse {
  width: 9px;
  height: 9px;
  background-color: var(--green-flower);
  border: 1.5px solid var(--black);
  border-radius: 50%;
  animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
  100% { transform: scale(0.9); opacity: 1; }
}

/* ---------------- Toolbar ---------------- */
.toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.select-wrapper {
  flex: 1;
  min-width: 220px;
  position: relative;
}

.toolbar select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-card);
  color: var(--black);
  border: var(--border-width) solid var(--black);
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-body);
  box-shadow: var(--shadow-main);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23000' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 14px center;
  background-repeat: no-repeat;
  background-size: 18px;
  padding-right: 44px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

select option {
  background-color: #ffffff;
  color: #000000;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  padding: 12px;
}

select option:checked,
select option:hover {
  background-color: var(--yellow-flower) !important;
  color: #000000 !important;
}

/* ---------------- Custom Dropdown List (UL / LI) ---------------- */
ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toolbar select:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}

.toolbar select:focus {
  outline: none;
  background-color: var(--yellow-soft);
}

/* ---------------- Ad Slots ---------------- */
.ad-slot {
  margin: 16px auto;
  border-radius: 12px;
  border: 3px dashed var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ad-slot-header,
.ad-slot-footer {
  min-height: 90px;
}

.ad-slot-inlist {
  min-height: 250px;
  display: none;
}

/* Neobrutal Buttons */
.btn {
  padding: 14px 20px;
  border: var(--border-width) solid var(--black);
  border-radius: 14px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-main);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-active);
}

.btn-yellow { background-color: var(--yellow-flower); color: var(--black); }
.btn-purple { background-color: var(--purple-flower); color: var(--black); }
.btn-green  { background-color: var(--green-flower); color: var(--black); }
.btn-pink   { background-color: var(--pink-flower); color: var(--black); }

/* ---------------- New Inbox Form Box ---------------- */
.new-box {
  margin-bottom: 24px;
  padding: 24px;
  background: var(--purple-soft);
  border: var(--border-width) solid var(--black);
  border-radius: 18px;
  box-shadow: var(--shadow-main);
  animation: popIn 250ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.new-box.hidden {
  display: none;
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.new-box-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 16px;
}

.new-box-form {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.new-box input {
  flex: 1;
  min-width: 200px;
  padding: 14px 18px;
  background: var(--bg-card);
  color: var(--black);
  border: var(--border-width) solid var(--black);
  border-radius: 12px;
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 600;
  box-shadow: 3px 3px 0px var(--black);
}

.new-box input::placeholder {
  color: #777;
  font-weight: 500;
}

.new-box input:focus {
  outline: none;
  background-color: var(--yellow-soft);
}

.new-box select {
  padding: 14px 18px;
  background: var(--bg-card);
  color: var(--black);
  border: var(--border-width) solid var(--black);
  border-radius: 12px;
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 700;
  cursor: pointer;
  box-shadow: 3px 3px 0px var(--black);
}

.new-box-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ---------------- Panel (Main Message Box) ---------------- */
.panel {
  background: var(--bg-card);
  border: var(--border-width) solid var(--black);
  border-radius: 20px;
  box-shadow: var(--shadow-main);
  overflow: hidden;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: var(--border-width) solid var(--black);
  background: var(--yellow-soft);
}

.inbox-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.inbox-icon {
  font-size: 24px;
}

.panel-head h2 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: var(--black);
  word-break: break-all;
}

.badge-count {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  background: var(--pink-flower);
  color: var(--black);
  border: 2px solid var(--black);
  padding: 6px 14px;
  border-radius: 30px;
  box-shadow: 2px 2px 0px var(--black);
  white-space: nowrap;
}

/* ---------------- Message List & Summary Card ---------------- */
.message-list {
  min-height: 280px;
}

.message-item {
  padding: 18px 24px;
  border-bottom: var(--border-width) solid var(--black);
  background: var(--bg-card);
  transition: background-color 0.15s ease, transform 0.15s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.message-item:last-child {
  border-bottom: none;
}

.message-item:hover {
  background-color: var(--purple-soft);
}

.message-item .message-meta {
  font-size: 12px;
  font-weight: 700;
  color: #444;
  display: flex;
  align-items: center;
  gap: 8px;
}

.message-item .message-meta::before {
  content: '🌸';
  font-size: 12px;
}

.message-item strong {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--black);
}

.message-snippet {
  font-size: 13px;
  color: #555;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
  background: var(--bg-canvas);
  padding: 8px 12px;
  border: 1.5px solid var(--black);
  border-radius: 8px;
}

.message-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
}

.btn-details {
  padding: 6px 14px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  border: 2px solid var(--black);
  border-radius: 8px;
  background: var(--yellow-flower);
  color: var(--black);
  box-shadow: 2px 2px 0px var(--black);
  transition: transform 0.1s ease;
}

.btn-details:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--black);
}

/* ---------------- Modal Reader Backdrop & Card ---------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 200ms ease;
}

.modal-backdrop.hidden {
  display: none;
}

.modal-card {
  background: var(--bg-card);
  border: var(--border-width) solid var(--black);
  border-radius: 20px;
  box-shadow: 8px 8px 0px var(--black);
  width: 100%;
  max-width: 650px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: popIn 250ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-header {
  padding: 18px 24px;
  background: var(--pink-soft);
  border-bottom: var(--border-width) solid var(--black);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  word-break: break-all;
}

.modal-close {
  background: var(--pink-flower);
  border: 2px solid var(--black);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 2px 0px var(--black);
}

.modal-close:hover {
  transform: translate(-1px, -1px);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-meta {
  font-size: 13px;
  font-weight: 700;
  color: #333;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--yellow-soft);
  border: 2px solid var(--black);
  border-radius: 10px;
}

.modal-content {
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--black);
  background: var(--bg-canvas);
  padding: 16px;
  border: 2px solid var(--black);
  border-radius: 12px;
}

.modal-footer {
  padding: 16px 24px;
  background: var(--purple-soft);
  border-top: var(--border-width) solid var(--black);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ---------------- Empty States ---------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 70px 20px;
  text-align: center;
}

.empty-state .icon {
  font-size: 56px;
  margin-bottom: 16px;
  animation: bounceSlow 2s ease infinite;
}

@keyframes bounceSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.empty-state .title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--black);
}

.empty-state .sub {
  font-size: 14px;
  font-weight: 600;
  color: #555;
  max-width: 320px;
  line-height: 1.5;
}

/* ---------------- Footer Card ---------------- */
footer {
  margin-top: 36px;
  text-align: center;
}

.footer-card {
  display: inline-block;
  background: var(--yellow-flower);
  border: var(--border-width) solid var(--black);
  border-radius: 16px;
  padding: 12px 24px;
  box-shadow: var(--shadow-main);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.footer-card strong {
  background: var(--pink-flower);
  padding: 2px 8px;
  border-radius: 6px;
  border: 2px solid var(--black);
  margin: 0 4px;
}

/* ---------------- Toast Popup ---------------- */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  padding: 14px 22px;
  background: var(--green-flower);
  border: var(--border-width) solid var(--black);
  border-radius: 14px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  color: var(--black);
  box-shadow: var(--shadow-main);
  animation: toastIn 250ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.fadeout {
  animation: toastOut 200ms ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.9); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(10px) scale(0.9); }
}

/* ---------------- Responsive Design ---------------- */
@media (max-width: 640px) {
  .app {
    padding: 20px 14px 60px;
  }

  header h1 {
    font-size: 32px;
  }

  .flower-bg-decor {
    display: none;
  }

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

  .select-wrapper {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .new-box-form {
    flex-direction: column;
  }

  .new-box-actions {
    flex-direction: column;
  }

  .panel-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}