:root {
  --bg: #edf6ef;
  --bg-accent: #dcebdc;
  --surface: rgba(249, 254, 249, 0.88);
  --surface-strong: #fafffa;
  --text: #183126;
  --muted: #5d7364;
  --line: rgba(34, 88, 54, 0.12);
  --brand: #3a9b62;
  --brand-deep: #267348;
  --shadow: 0 22px 50px rgba(42, 90, 57, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Gowun Dodum", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 28%),
    linear-gradient(135deg, #f5fbf6 0%, #ddeddc 52%, #c8dfca 100%);
}

button,
input {
  font: inherit;
}

.app-shell {
  max-width: 1600px;
  margin: 0 auto;
  padding: 40px 24px 48px;
}

.session-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(42, 90, 57, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.back-link:hover,
.back-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(42, 90, 57, 0.12);
}

.session-bar + .back-link {
  display: none;
}

.session-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.sync-status,
.storage-mode,
.user-pill {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  box-shadow: 0 12px 28px rgba(42, 90, 57, 0.08);
}

.storage-mode {
  font-weight: 700;
  color: var(--text);
}

.sync-status.is-error {
  color: #8e4d2b;
  border-color: rgba(172, 99, 64, 0.26);
  background: rgba(255, 241, 233, 0.86);
}

.auth-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
}

#logoutButton[hidden] {
  display: none;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-deep);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3.5rem);
  line-height: 1.08;
}

.hero-copy {
  margin: 14px 0 0;
  color: var(--muted);
}

.summary-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.summary-label,
.summary-note,
.stock-caption {
  margin: 0;
  color: var(--muted);
}

.summary-value {
  display: block;
  margin-top: 6px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.stocks-board {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(420px, 500px);
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x proximity;
}

.stocks-board::-webkit-scrollbar {
  height: 10px;
}

.stocks-board::-webkit-scrollbar-thumb {
  background: rgba(58, 155, 98, 0.35);
  border-radius: 999px;
}

.stock-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 560px;
  padding: 24px;
  border: 1px solid rgba(53, 105, 69, 0.14);
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(243, 251, 244, 0.94)),
    var(--surface-strong);
  box-shadow: var(--shadow);
  scroll-snap-align: start;
}

.card-top,
.entries-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.stock-title-input {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text);
  outline: none;
}

.stock-total-wrap {
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(135deg, #eff8f0, #d9eedb);
}

.stock-total {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.5rem;
}

.entries-header h2 {
  margin: 0;
  font-size: 1rem;
}

.entry-form {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 10px;
}

.entry-form input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  outline: none;
}

.entry-form input:focus,
.stock-title-input:focus {
  box-shadow: 0 0 0 3px rgba(58, 155, 98, 0.18);
}

.entries-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 120px;
}

.entry-item {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 18px;
  border: 1px solid rgba(38, 115, 72, 0.18);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(238, 249, 240, 0.98), rgba(214, 235, 218, 0.96) 58%, rgba(190, 220, 197, 0.94));
  box-shadow: 0 18px 36px rgba(31, 79, 51, 0.14);
  overflow: hidden;
}

.entry-item.dragging {
  opacity: 0.55;
}

.entry-display {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 14px;
}

.entry-display-top {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.entry-date-text,
.entry-shares-text {
  padding: 8px 13px;
  border-radius: 999px;
  background: rgba(246, 252, 247, 0.96);
  color: #234531;
  font-size: 0.95rem;
  border: 1px solid rgba(38, 115, 72, 0.14);
}

.entry-display-bottom {
  display: flex;
  justify-content: flex-start;
  align-items: flex-end;
  gap: 12px;
}

.entry-amount-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.entry-amount-caption {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #426854;
}

.entry-amount-text {
  display: block;
  margin-top: 2px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.6rem;
  color: #123d27;
}

.entry-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding-top: 2px;
  flex-shrink: 0;
}

.drag-handle {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(58, 155, 98, 0.12);
  color: var(--brand-deep);
  cursor: grab;
  user-select: none;
}

.drag-handle:active {
  cursor: grabbing;
}

.primary-button,
.secondary-button,
.ghost-button,
.entry-delete {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.18s ease, opacity 0.18s ease;
}

.primary-button,
.secondary-button {
  padding: 13px 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #66b57f);
}

.ghost-button {
  padding: 10px 14px;
  color: var(--brand-deep);
  background: rgba(58, 155, 98, 0.12);
}

.entry-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--brand-deep);
  background: rgba(58, 155, 98, 0.12);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.entry-delete:hover {
  transform: translateY(-1px);
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: 28px;
  border: 1px dashed rgba(53, 105, 69, 0.25);
  border-radius: 28px;
  background: rgba(247, 253, 248, 0.62);
  color: var(--muted);
}

@media (max-width: 760px) {
  .app-shell {
    padding: 24px 16px 36px;
  }

  .session-bar,
  .session-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .sync-status,
  .storage-mode,
  .user-pill {
    justify-content: center;
  }

  .back-link {
    margin-bottom: 14px;
  }

  .hero,
  .summary-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .stocks-board {
    grid-auto-columns: minmax(90vw, 90vw);
  }

  .stock-card {
    min-height: 520px;
  }

  .entry-form {
    grid-template-columns: 1fr;
  }

  .entry-item {
    flex-direction: column;
  }

  .entry-display-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .entry-actions {
    align-self: flex-end;
    width: auto;
  }
}