:root {
  --paper-bg: #f8f5e6;
  --paper-notebook: #f9f6ea;
  --paper-note: #fffbe6;
  --ink-primary: #4a3e2a;
  --ink-secondary: #3a3027;
  --ink-tertiary: #8a7b6a;
  --nb-binding: #d4c5a8;
  --nb-binding-border: #b5a88a;
  --int-primary: #9c6644;
  --func-danger: #9e2b25;
  --func-danger-hover: #7d1f1c;
  --progress-track: #efe9d9;
  --progress-bar: #a4c3a2;
  --reward-star: #d4b556;
  --reward-star-border: #b5a88a;
  --reward-complete: #f3eed7;
  --shadow-soft: 0 3px 6px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-note: 0 4px 8px rgba(0, 0, 0, 0.08);
  --font-header: "Courier Prime", monospace;
  --font-body: "Indie Flower", cursive;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper-bg) url("https://www.transparenttextures.com/patterns/paper.png");
  color: var(--ink-secondary);
}

.app-footer {
  text-align: center;
  margin: 1.8rem 0 2.2rem;
  font-family: var(--font-header);
  font-size: 1rem;
  letter-spacing: 2px;
  color: var(--ink-tertiary);
  opacity: 0.8;
}
.app-footer strong {
  color: var(--ink-primary);
}

.app-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2rem 1rem;
}

.quest-app {
  position: relative;
  background: var(--paper-notebook)
    url("https://www.transparenttextures.com/patterns/old-paper.png");
  max-width: 620px;
  width: 100%;
  padding: 2.5rem 3rem 2.5rem 4.5rem;
  border-radius: 8px;
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--nb-binding-border);
}

/* Spiral Binding */
.binding {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 70px;
  padding: 1.2rem 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}
.binding span {
  width: 22px;
  height: 22px;
  background: var(--nb-binding);
  border: 2px solid var(--nb-binding-border);
  border-radius: 50%;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.5);
}

/* Header */
.app-header {
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
}
.title {
  font-family: var(--font-header);
  font-size: 2.25rem;
  letter-spacing: 3px;
  margin: 0 0 0.75rem;
  color: var(--ink-primary);
  text-shadow:
    1px 1px 0 #d4c5a8,
    2px 2px 0 #b5a88a;
}
.subtitle-ribbon {
  display: inline-block;
  background: #d4c5a8;
  padding: 0.35rem 1.4rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--ink-secondary);
  border: 1px solid var(--nb-binding-border);
  transform: rotate(-1deg);
  box-shadow: var(--shadow-soft);
}

/* XP Section */
.xp-section {
  margin-bottom: 1.8rem;
}
.xp-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-header);
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--ink-primary);
  margin-bottom: 0.4rem;
}
.xp-bar-track {
  position: relative;
  width: 100%;
  height: 20px;
  background: var(--progress-track)
    url("https://www.transparenttextures.com/patterns/notebook-dark.png");
  border: 1px dashed var(--nb-underline);
  overflow: hidden;
}
.xp-bar-fill {
  height: 100%;
  background: var(--progress-bar) url("https://www.transparenttextures.com/patterns/notebook.png");
  width: 0%;
  transition: width 0.6s ease;
}
.xp-ticks {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}
.xp-ticks span {
  width: 1px;
  background: var(--nb-binding-border);
  opacity: 0.6;
}
.xp-value {
  font-family: var(--font-header);
}

/* New Quest Form */
.new-quest {
  margin-bottom: 1.6rem;
}
.input-wrapper {
  background: var(--paper-note) url("https://www.transparenttextures.com/patterns/notebook.png");
  border: 1px solid var(--nb-binding-border);
  box-shadow: var(--shadow-note);
  border-radius: 4px;
  padding: 1.1rem 1.1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}
.quest-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 1.05rem;
  padding: 0.3rem 0 0.4rem;
  outline: none;
  border-bottom: 2px solid var(--nb-underline);
}
.quest-input::placeholder {
  color: var(--ink-tertiary);
}
.date-input {
  display: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: none;
  background: transparent;
  border-bottom: 2px solid var(--nb-underline);
  padding: 0.2rem 0;
}
.date-input.visible {
  display: inline-block;
}
.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.15rem 0.25rem;
  color: var(--int-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.18s cubic-bezier(0.4, 0.6, 0.2, 1),
    filter 0.25s;
  position: relative;
}
.icon-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background: currentColor;
  opacity: 0;
  transform: scale(0.6);
  transition:
    opacity 0.35s,
    transform 0.35s;
  mix-blend-mode: multiply;
  pointer-events: none;
}
.icon-btn:hover {
  filter: brightness(0.9);
  transform: translateY(-2px);
}
.icon-btn:hover::after {
  opacity: 0.08;
  transform: scale(1);
}
.icon-btn:active {
  transform: translateY(0) scale(0.95);
  filter: brightness(0.85);
}
.icon-btn img {
  width: 24px;
  height: 24px;
  display: block;
  pointer-events: none;
}
.add-btn img {
  width: 26px;
  height: 26px;
}

/* List Section */
.list-title {
  font-family: var(--font-header);
  font-size: 1rem;
  letter-spacing: 2px;
  margin: 0 0 0.8rem;
  color: var(--ink-primary);
  position: relative;
}
.list-title::after {
  content: "";
  display: block;
  width: 130px;
  height: 3px;
  background: var(--nb-underline);
  margin-top: 4px;
}
.quest-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* Quest Item */
.quest-item {
  background: transparent;
  padding: 0;
  margin: 0;
  position: relative;
}
.item-main {
  background: var(--paper-note);
  border: 1px solid var(--nb-binding-border);
  box-shadow: var(--shadow-soft);
  padding: 0.85rem 0.9rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
}
.quest-item.important .item-main {
  background: #f5efd6;
}
.checkbox {
  width: 22px;
  height: 22px;
  background: var(--paper-note);
  border: 2px solid var(--ink-primary);
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(74, 62, 42, 0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.checkbox:focus {
  outline: none;
}
.checkbox:focus-visible {
  outline: 2px solid var(--int-primary);
  outline-offset: 2px;
}
.checkbox.checked {
  background: var(--paper-note) url("assets/check.png") center/72% no-repeat;
}
.text-block {
  flex: 1;
  min-width: 0;
}
.quest-text {
  margin: 0 0 0.6rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--ink-secondary);
  line-height: 1.15;
  display: inline-block;
  position: relative;
}
.quest-text.editing {
  display: none;
}
.edit-input {
  font-family: var(--font-body);
  font-size: 1.05rem;
  width: 100%;
  border: none;
  background: transparent;
  border-bottom: 2px solid var(--nb-underline);
  padding: 0 0 2px;
  outline: none;
}

.quest-item.completed .quest-text {
  opacity: 0.65;
}
.quest-item.completed .quest-text::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  top: 50%;
  height: 2px;
  background: currentColor;
  opacity: 0.9;
  transform: translateY(-45%);
}
.quest-meta {
  margin: 0;
  font-family: var(--font-header);
  font-size: 0.7rem;
  letter-spacing: 1px;
  color: var(--func-danger);
  opacity: 0.65;
}
.quest-item.completed .quest-meta {
  color: var(--ink-tertiary);
  text-decoration: none;
}
.star-btn {
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  line-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}
.star-shape {
  fill: none;
  stroke: var(--reward-star-border);
  stroke-width: 2;
}
.star-btn.active .star-shape {
  fill: var(--reward-star);
  stroke: var(--reward-star-border);
}
.star-btn:hover .star-shape {
  stroke: var(--reward-star);
}
.delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--func-danger);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: 0.35rem;
}
.delete-btn:hover {
  color: var(--func-danger-hover);
}

/* Flash effect when completing */
.flash {
  position: absolute;
  inset: 0;
  background: var(--reward-complete);
  opacity: 0;
  pointer-events: none;
}
.quest-item.flash-on .flash {
  animation: flashComplete 0.8s ease;
}
@keyframes flashComplete {
  0% {
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* Floating star animation */
.quest-item .floating-star {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: starPop 1s ease-in-out forwards;
  font-size: 1.6rem;
  color: var(--reward-star);
  text-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}
@keyframes starPop {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.4);
  }
  40% {
    opacity: 1;
    transform: translate(-50%, -60%) scale(1.2);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -80%) scale(0.9);
  }
}

/* Level Up banner (optional) */
.level-up {
  position: fixed;
  top: 14px;
  right: 14px;
  background: var(--reward-star);
  color: var(--ink-secondary);
  font-family: var(--font-header);
  padding: 0.6rem 1.2rem;
  letter-spacing: 2px;
  border: 2px solid var(--reward-star-border);
  box-shadow: 0 6px 14px -4px rgba(0, 0, 0, 0.3);
  animation: fadeSlide 1.8s ease forwards;
}
@keyframes fadeSlide {
  0% {
    opacity: 0;
    transform: translateY(-12px);
  }
  20% {
    opacity: 1;
    transform: translateY(0);
  }
  80% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* Scroll adjustments for small screens */
@media (max-width: 680px) {
  .quest-app {
    padding: 2.2rem 1.5rem 2.5rem 3.8rem;
  }
  .title {
    font-size: 1.9rem;
  }
  .binding {
    width: 62px;
  }
}
@media (max-width: 520px) {
  .quest-app {
    padding: 2rem 1.2rem 2.4rem 3.5rem;
  }
  .binding {
    width: 55px;
  }
  .subtitle-ribbon {
    font-size: 0.95rem;
  }
  .quest-text {
    font-size: 1rem;
  }
}