@import url('[https://fonts.googleapis.com/css2?family=Klee+One:wght@600&family=Noto+Serif+TC:wght@300;400;600&family=Plus+Jakarta+Sans:wght@300;400;600&display=swap](https://fonts.googleapis.com/css2?family=Klee+One:wght@600&family=Noto+Serif+TC:wght@300;400;600&family=Plus+Jakarta+Sans:wght@300;400;600&display=swap)');

:root {
  --bg-color: #0a0a0c;
  --text-main: #e4e4e7;
  --glass-bg: rgba(18, 18, 22, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --postit-bg: #fef3c7;
  --postit-text: #292524;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
}

.font-serif-tc {
  font-family: 'Noto Serif TC', serif;
}

.font-handwriting {
  font-family: 'Klee One', 'Noto Serif TC', cursive;
}

.ambient-glow {
  position: absolute;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, rgba(120, 119, 198, 0.08) 50%, rgba(0,0,0,0) 70%);
  filter: blur(60px);
  z-index: 0;
  pointer-events: none;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.6);
}

/* Post-it 擬真貼紙 */
.postit-note {
  background: var(--postit-bg);
  color: var(--postit-text);
  transform: rotate(-1.5deg);
  box-shadow: 
    0 10px 25px -5px rgba(0, 0, 0, 0.3),
    0 2px 4px -1px rgba(0, 0, 0, 0.1),
    inset 0 -10px 20px -10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.postit-note:hover {
  transform: rotate(0deg) scale(1.02);
}

.washi-tape {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%) rotate(1deg);
  width: 80px;
  height: 22px;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(2px);
  border-left: 2px dashed rgba(0, 0, 0, 0.1);
  border-right: 2px dashed rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  z-index: 20;
}

.card-transition {
  transition: opacity 0.35s ease, transform 0.35s ease;
}