:root {
  --jhu-blue: #002d72;
  --jhu-blue-light: #003da5;
  --jhu-blue-soft: #e8edf5;
  --jhu-gold: #cf9529;
  --jhu-gold-soft: #f5ecd4;
  --jhu-black: #1a1a1a;
  --jhu-charcoal: #2d2d2d;
  --jhu-white: #ffffff;
  --jhu-cream: #f7f8fb;
  --jhu-gray: #5c6470;
  --jhu-border: #d8dee8;
  --shadow: 0 10px 30px rgba(0, 45, 114, 0.1);
  --radius: 16px;
  --font: "Inter", system-ui, sans-serif;
  --display: "Playfair Display", Georgia, serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--jhu-black);
  background:
    radial-gradient(circle at top right, rgba(0, 45, 114, 0.1), transparent 42%),
    radial-gradient(circle at 10% 90%, rgba(207, 149, 41, 0.08), transparent 35%),
    linear-gradient(180deg, #f0f4fa 0%, var(--jhu-cream) 45%, #fff 100%);
}

body.app-locked {
  overflow: hidden;
}

.login-gate {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    linear-gradient(135deg, rgba(0, 45, 114, 0.96) 0%, rgba(0, 31, 84, 0.98) 100%);
}

.login-gate[hidden] {
  display: none;
}

.login-card {
  width: min(100%, 420px);
  padding: 1.5rem;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.login-brand .brand-eyebrow {
  color: var(--jhu-blue);
  opacity: 1;
}

.login-brand h2 {
  margin: 0;
  font-family: var(--display);
  color: var(--jhu-blue);
  font-size: 1.45rem;
}

.login-copy,
.dialog-copy {
  margin: 0 0 1rem;
  color: var(--jhu-gray);
  line-height: 1.5;
}

.login-form,
#change-password-form {
  display: grid;
  gap: 0.85rem;
}

.login-form label,
#change-password-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 500;
}

.login-form input,
#change-password-form input {
  border: 1px solid var(--jhu-border);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  outline: none;
}

.login-form input:focus,
#change-password-form input:focus {
  border-color: var(--jhu-blue);
  box-shadow: 0 0 0 3px rgba(0, 45, 114, 0.15);
}

.login-error {
  margin: 0;
  color: #b42318;
  font-size: 0.92rem;
}

.login-submit {
  width: 100%;
  margin-top: 0.25rem;
}

#change-password-dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  width: min(92vw, 420px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

#change-password-dialog::backdrop {
  background: rgba(26, 26, 26, 0.45);
}

#change-password-form {
  padding: 1.35rem;
}

#change-password-form h3 {
  margin: 0;
  color: var(--jhu-blue);
}

button,
input {
  font: inherit;
}

.site-header {
  background: linear-gradient(135deg, var(--jhu-blue) 0%, #001f54 100%);
  color: var(--jhu-white);
  padding: 2rem 1.25rem 4.75rem;
  box-shadow: 0 8px 24px rgba(0, 31, 84, 0.35);
  position: relative;
  overflow: hidden;
}

.site-header::after {
  content: "";
  position: absolute;
  right: -2rem;
  bottom: -3rem;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(207, 149, 41, 0.12);
  pointer-events: none;
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.crest {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--jhu-white);
  color: var(--jhu-blue);
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
  border: 3px solid rgba(207, 149, 41, 0.55);
  box-shadow: inset 0 0 0 2px var(--jhu-blue);
  flex-shrink: 0;
}

.mascot {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.brand-eyebrow {
  margin: 0 0 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  opacity: 0.9;
  color: var(--jhu-gold-soft);
}

.site-header h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
}

.tagline {
  margin: 1rem 0 0;
  max-width: 34rem;
  opacity: 0.95;
  line-height: 1.5;
}

.sync-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 1rem 0 0;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(207, 149, 41, 0.35);
}

.sync-status::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #ffd166;
}

.sync-status[data-state="synced"]::before {
  background: #7dffb3;
}

.sync-status[data-state="error"]::before,
.sync-status[data-state="local"]::before {
  background: #ffb4b4;
}

.container {
  max-width: 900px;
  margin: -3.75rem auto 3rem;
  padding: 0 1.25rem;
  position: relative;
  z-index: 2;
}

.container > .progress-card:first-child {
  box-shadow: 0 16px 40px rgba(0, 45, 114, 0.14);
}

.progress-card,
.group-card {
  background: var(--jhu-white);
  border: 1px solid var(--jhu-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.progress-card {
  padding: 1.25rem 1.4rem 1.4rem;
}

.progress-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.progress-card h2 {
  margin: 0;
  font-size: 1.1rem;
}

.progress-label {
  margin: 0.25rem 0 0;
  color: var(--jhu-gray);
  font-size: 0.95rem;
}

.progress-percent {
  font-family: var(--display);
  font-size: 1.8rem;
  color: var(--jhu-blue);
  line-height: 1;
}

.progress-track {
  height: 14px;
  background: #e2e8f2;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--jhu-blue), var(--jhu-blue-light));
  border-radius: inherit;
  transition: width 0.35s ease;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--jhu-blue);
  color: var(--jhu-white);
}

.btn-primary:hover {
  background: #001f54;
}

.btn-ghost {
  background: transparent;
  color: var(--jhu-charcoal);
  border: 1px solid var(--jhu-border);
}

.btn-ghost:hover {
  background: var(--jhu-white);
  border-color: var(--jhu-blue);
  color: var(--jhu-blue);
}

.btn-small {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.btn-danger {
  background: transparent;
  color: var(--jhu-blue);
  border: 1px solid transparent;
}

.btn-danger:hover {
  background: var(--jhu-blue-soft);
  border-color: #b8c9e4;
}

.copies-card {
  margin-bottom: 1.25rem;
}

.copies-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.copies-list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.copy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--jhu-border);
  border-radius: 12px;
  background: #fafbfd;
}

.copy-meta {
  min-width: 0;
}

.copy-title {
  margin: 0;
  font-weight: 600;
}

.copy-stats {
  margin: 0.2rem 0 0;
  color: var(--jhu-gray);
  font-size: 0.85rem;
}

.copies-empty {
  margin: 0.75rem 0 0;
  color: var(--jhu-gray);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.groups {
  display: grid;
  gap: 1rem;
}

.group-card {
  overflow: hidden;
}

.group-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: linear-gradient(90deg, var(--jhu-blue-soft), #ffffff);
  border-bottom: 1px solid var(--jhu-border);
}

.group-title-wrap {
  min-width: 0;
}

.group-title {
  margin: 0;
  font-size: 1.15rem;
  color: var(--jhu-blue);
}

.group-meta {
  margin: 0.35rem 0 0;
  color: var(--jhu-gray);
  font-size: 0.9rem;
}

.group-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
}

.item-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
}

.item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.2rem;
  border-bottom: 1px solid #eef1f6;
}

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

.item.done .item-text {
  text-decoration: line-through;
  color: var(--jhu-gray);
}

.item.packed {
  background: #ececec;
  opacity: 0.7;
}

.item.packed .item-text {
  color: #7a7a7a;
}

.btn-packed {
  background: var(--jhu-white);
  color: var(--jhu-charcoal);
  border: 1px solid var(--jhu-border);
  min-width: 4.6rem;
}

.btn-packed:hover {
  border-color: var(--jhu-blue);
  color: var(--jhu-blue);
}

.btn-packed.is-packed {
  background: #d8d8d8;
  color: #555;
  border-color: #cfcfcf;
}

.item-check {
  width: 1.2rem;
  height: 1.2rem;
  accent-color: var(--jhu-blue);
  cursor: pointer;
  flex-shrink: 0;
}

.item-text {
  flex: 1;
  line-height: 1.4;
}

.empty-group {
  margin: 0;
  padding: 1.1rem 1.2rem 1.3rem;
  color: var(--jhu-gray);
  font-size: 0.95rem;
}

.site-footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--jhu-gray);
  font-size: 0.9rem;
}

.site-footer .mascot-footer {
  width: 36px;
  height: 36px;
  vertical-align: middle;
  margin-right: 0.35rem;
  opacity: 0.85;
}

#prompt-dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  width: min(92vw, 420px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

#prompt-dialog::backdrop {
  background: rgba(26, 26, 26, 0.45);
}

#prompt-form {
  padding: 1.35rem;
  display: grid;
  gap: 1rem;
}

#prompt-form h3 {
  margin: 0;
  color: var(--jhu-blue);
}

#prompt-form label {
  display: grid;
  gap: 0.45rem;
  font-weight: 500;
}

#prompt-input {
  border: 1px solid var(--jhu-border);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  outline: none;
}

#prompt-input:focus {
  border-color: var(--jhu-blue);
  box-shadow: 0 0 0 3px rgba(0, 45, 114, 0.15);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
}

@media (max-width: 640px) {
  .group-header {
    flex-direction: column;
  }

  .group-actions {
    width: 100%;
  }

  .mascot {
    width: 56px;
    height: 56px;
  }
}