@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

/* GLOBAL SHARP CORNERS */
* {
  border-radius: 0 !important;
}

:root {
  /* Default: Neutral Light */
  --bg-color: #d1c2d3;
  --text-color: #7e1671;
  --border-color: #f9e9cd;
  --accent-color: #CB3A56;
  --header-text-color: #5c1052;
}

/* Neutral Theme */
:root[data-tone="neutral"][data-mode="light"] {
  --bg-color: #d1c2d3;
  --text-color: #7e1671;
  --border-color: #f9e9cd;
  --accent-color: #CB3A56;
  --header-text-color: #5c1052;
}
:root[data-tone="neutral"][data-mode="dark"] {
  --bg-color: #815c94;
  --text-color: #fbecde;
  --border-color: #4f383e;
  --accent-color: #e77c8e;
  --header-text-color: #fbecde;
}

/* Cool Theme */
:root[data-tone="cool"][data-mode="light"] {
  --bg-color: #a7a8bd;
  --text-color: #2d0c13;
  --border-color: #5d3f51;
  --accent-color: #CB3A56;
  --header-text-color: #ffffff;
}
:root[data-tone="cool"][data-mode="dark"] {
  --bg-color: #525288;
  --text-color: #ccccd6;
  --border-color: #74759b;
  --accent-color: #e77c8e;
  --header-text-color: #ffffff;
}

/* Warm Theme */
:root[data-tone="warm"][data-mode="light"] {
  --bg-color: #c8adc4;
  --text-color: #4c1f24;
  --border-color: #9570a9;
  --accent-color: #CB3A56;
  --header-text-color: #ffffff;
}
:root[data-tone="warm"][data-mode="dark"] {
  --bg-color: #461629;
  --text-color: #ede3e7;
  --border-color: #b8a5d2;
  --accent-color: #e77c8e;
  --header-text-color: #380a1d;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.5s ease, color 0.5s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 300px;
  background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100vw;
  height: 25vh;
  background-image: url('icon_svg/aero_swoosh.svg');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: bottom center;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

/* Glossy Navbar / Toolbar */
.toolbar {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0.1) 40%, rgba(255,255,255,0) 41%, rgba(255,255,255,0.2) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.5);
}

.toolbar h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  text-shadow: 1px 1px 2px rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  gap: 10px;
}

.toolbar h1::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 32px;
  background-image: url('icon_svg/aero_globe.svg');
  background-size: cover;
}

.controls {
  display: flex;
  gap: 10px;
}

/* Glossy Frutiger Aero Button */
button, select {
  background: linear-gradient(180deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.3) 45%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.4) 100%);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 8px 16px;
  border-radius: 0;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1), inset 0 1px 1px rgba(255,255,255,0.8);
  transition: all 0.2s;
  backdrop-filter: blur(5px);
  outline: none;
}

button:hover, select:hover {
  background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.4) 45%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.5) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15), inset 0 1px 1px rgba(255,255,255,1);
}

button:active {
  transform: translateY(1px);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1), inset 0 2px 4px rgba(0,0,0,0.2);
}

select option {
  background: var(--bg-color);
  color: var(--text-color);
}

/* Header Scrolling Notification Bar */
.notification-bar {
  position: relative;
  z-index: 9;
  background: linear-gradient(180deg, rgba(255,255,255,0.45) 0%, rgba(255,255,255,0.15) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  overflow: hidden;
  max-height: 50px;
  transition: opacity 0.3s ease, max-height 0.3s ease, padding 0.3s ease;
}

.notification-icon {
  font-size: 1rem;
  flex-shrink: 0;
  z-index: 2;
}

.notification-ticker {
  flex: 1;
  overflow: hidden;
  position: relative;
  white-space: nowrap;
}

.notification-content {
  display: inline-block;
  white-space: nowrap;
  animation: marquee 18s linear infinite;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-color);
  padding-left: 100%;
}

.notification-content:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

.notification-close {
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: 0.9rem;
  font-weight: bold;
  cursor: pointer;
  padding: 2px 6px;
  flex-shrink: 0;
  z-index: 2;
  opacity: 0.7;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: none;
  backdrop-filter: none;
}

.notification-close:hover {
  opacity: 1;
  background: rgba(255,255,255,0.3);
  transform: scale(1.1);
  box-shadow: none;
}

.main-content {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding: 40px;
  max-width: 1200px;
  margin: 0 auto;
  flex: 1;
  align-items: start;
}

/* Glassmorphism Card */
.glass-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.1) 100%);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--border-color);
  border-radius: 0;
  padding: 0;
  box-shadow: 
    0 8px 32px rgba(0,0,0,0.1), 
    inset 0 1px 0 rgba(255,255,255,0.6),
    inset 0 0 20px rgba(255,255,255,0.2);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  display: flex;
  flex-direction: column;
}

.card-body {
  padding: 25px 30px 30px 30px;
  position: relative;
  z-index: 2;
  flex: 1;
}

/* Windows Style Title Bar */
.window-titlebar {
  background-color: var(--border-color);
  background-image: linear-gradient(180deg, rgba(255,255,255,0.45) 0%, rgba(255,255,255,0.15) 50%, rgba(0,0,0,0.05) 51%, rgba(255,255,255,0.2) 100%);
  color: var(--header-text-color);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  user-select: none;
  position: relative;
  z-index: 3;
  transition: background-color 0.5s ease, color 0.5s ease;
}

.title-content {
  display: flex;
  align-items: center;
  gap: 8px;
}

.window-icon {
  font-size: 0.95rem;
  line-height: 1;
}

.window-titlebar .window-title {
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--header-text-color);
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.3);
  border-bottom: none;
  display: inline;
}

.window-controls {
  display: flex;
  align-items: center;
  gap: 5px;
}

.win-btn {
  width: 22px;
  height: 18px;
  border-radius: 3px;
  border: 1px solid rgba(0, 0, 0, 0.25);
  background: linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.3) 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8), 0 1px 2px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  font-size: 10px;
  color: var(--header-text-color);
}

.win-btn:hover {
  background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.5) 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,1), 0 2px 4px rgba(0,0,0,0.15);
}

.win-btn.win-min::before {
  content: "";
  width: 8px;
  height: 2px;
  background-color: currentColor;
  margin-top: 6px;
}

.win-btn.win-max::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1.5px solid currentColor;
  box-sizing: border-box;
}

.win-btn.win-close::before {
  content: "✕";
  font-size: 11px;
  font-weight: bold;
  line-height: 1;
}

.win-btn.win-close:hover {
  background: linear-gradient(180deg, #ff5f56 0%, #e03e36 100%);
  color: #fff;
  border-color: #b02019;
}

/* Card Minimized State - Collapses down to titlebar only */
.glass-card.is-minimized {
  max-height: none !important;
  height: auto !important;
  overflow: hidden !important;
}

.glass-card.is-minimized .card-body,
.glass-card.is-minimized .card-toggle-container {
  display: none !important;
}

.glass-card.is-minimized::after {
  display: none !important;
}

.glass-card.is-collapsed {
  max-height: 105vh !important;
  overflow: hidden !important;
  padding-bottom: 60px;
}

/* Bottom fade overlay for collapsed cards */
.glass-card.is-collapsed::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, var(--bg-color) 90%);
  pointer-events: none;
  z-index: 5;
  opacity: 0.85;
}

/* Card toggle button container & button */
.card-toggle-container {
  display: flex;
  justify-content: flex-end;
  margin-top: 15px;
  padding: 0 25px 20px 25px;
  position: relative;
  z-index: 10;
}

.glass-card.is-collapsed .card-toggle-container {
  position: absolute;
  bottom: 12px;
  right: 20px;
  left: auto;
  margin: 0;
  padding: 0;
}

.card-toggle-btn {
  background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.5) 45%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0.7) 100%);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 4px 12px;
  border-radius: 0;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12), inset 0 1px 1px rgba(255,255,255,0.9);
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  outline: none;
}

.card-toggle-btn:hover {
  background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.7) 45%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0.9) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.18), inset 0 1px 1px rgba(255,255,255,1);
  color: var(--accent-color);
}

.card-toggle-btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15), inset 0 2px 3px rgba(0,0,0,0.2);
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
}

.glass-card h2 {
  margin-top: 0;
  color: var(--accent-color);
  font-weight: 600;
  position: relative;
  z-index: 2;
  text-shadow: 0 1px 2px rgba(255,255,255,0.5);
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 10px;
  display: inline-block;
}

/* Image Presentation */
.image-container {
  text-align: center;
  position: relative;
  z-index: 2;
}

.image-container img {
  max-width: 100%;
  border-radius: 0;
  border: 4px solid var(--border-color);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
  transition: transform 0.3s;
}

.image-container img:hover {
  transform: scale(1.02);
}

.image-caption {
  margin-top: 15px;
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0.8;
  background: var(--accent-color);
  color: #fff;
  padding: 5px 15px;
  border-radius: 0;
  display: inline-block;
  box-shadow: inset 0 2px 4px rgba(255,255,255,0.4), 0 2px 5px rgba(0,0,0,0.2);
}

/* Markdown Content */
.markdown-content {
  position: relative;
  z-index: 2;
  line-height: 1.6;
}
.markdown-content h1, .markdown-content h2, .markdown-content h3 {
  color: var(--accent-color);
}
.markdown-content code {
  background: rgba(255,255,255,0.3);
  padding: 2px 6px;
  border-radius: 0;
  border: 1px solid var(--border-color);
}
.markdown-content pre {
  background: rgba(0,0,0,0.05);
  padding: 15px;
  border-radius: 0;
  border: 1px solid var(--border-color);
  overflow-x: auto;
}

/* Interactive Window */
.interactive-window {
  grid-column: 1 / -1;
  text-align: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.05) 100%);
}

.interactive-body {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.grid-layout .interactive-window p {
  position: relative;
  z-index: 2;
  font-size: 1.2rem;
  font-weight: 600;
  pointer-events: none;
}


}

/* Responsive */
@media (max-width: 768px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}

/* Window Fullscreen & Toast Helpers */
.glass-card.win-fullscreen {
  grid-column: 1 / -1 !important;
}

.restore-toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--bg-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: 4px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.6);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  font-weight: 600;
}

.restore-toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.restore-toast button {
  padding: 4px 12px;
  font-size: 0.8rem;
}

/* Banner Window & Early IE Tab Bar */
.banner-body {
  padding: 15px 25px 25px 25px !important;
}

.ie-tab-bar {
  display: flex;
  gap: 3px;
  background: rgba(0, 0, 0, 0.08);
  padding: 6px 6px 0 6px;
  border: 1px solid var(--border-color);
  border-bottom: none;
  user-select: none;
}

.ie-tab {
  background: linear-gradient(180deg, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0.2) 100%);
  border: 1px solid var(--border-color);
  border-bottom: none;
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-color);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  opacity: 0.75;
  border-radius: 0;
  position: relative;
  top: 1px;
}

.ie-tab:hover {
  opacity: 1;
  background: linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.4) 100%);
}

.ie-tab.active {
  opacity: 1;
  background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 100%);
  border-top: 3px solid var(--accent-color);
  color: var(--accent-color);
  box-shadow: 0 -2px 6px rgba(0,0,0,0.1);
  z-index: 2;
}

.ie-tab-icon {
  font-size: 0.85rem;
}

.banner-slider-container {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: #000;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.2);
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
  transform: scale(1.01);
  pointer-events: none;
}

.banner-slide.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Color Scheme Showcase Section */
.color-scheme-body {
  padding: 20px 25px 25px 25px !important;
}

.color-scheme-intro {
  margin: 0 0 16px 0;
  font-size: 0.9rem;
  opacity: 0.85;
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

@media (max-width: 1024px) {
  .color-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .color-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.color-card {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.color-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.18);
  border-color: var(--accent-color);
}

.color-card.active {
  border: 2px solid var(--accent-color);
  box-shadow: 0 0 14px var(--accent-color), inset 0 0 0 1px rgba(255,255,255,0.6);
  transform: translateY(-2px);
}

.color-card-header {
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.color-card-title {
  white-space: nowrap;
}

.color-active-badge {
  display: none;
  font-size: 0.68rem;
  background: var(--accent-color);
  color: #fff;
  padding: 2px 6px;
  border-radius: 2px;
  font-weight: bold;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.color-card.active .color-active-badge {
  display: inline-block;
}

.color-preview-box {
  padding: 10px 8px;
  margin: 10px 8px 6px 8px;
  border-width: 1px;
  border-style: solid;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 2px;
  font-size: 0.78rem;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

.color-mini-button {
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.color-mini-text {
  font-weight: 500;
  font-size: 0.75rem;
}

.color-swatches {
  display: flex;
  padding: 6px 8px 10px 8px;
  gap: 5px;
  justify-content: center;
}

.swatch {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.4), 0 1px 3px rgba(0,0,0,0.15);
  display: inline-block;
  transition: transform 0.2s ease;
}

.color-card:hover .swatch {
  transform: scale(1.15);
}



/* --- NEW THEME CONTROLS (SHARP, NO EMOJI) --- */
.theme-controls { display: flex; align-items: center; gap: 15px; }
.tone-slider { -webkit-appearance: none; width: 100px; height: 6px; background: linear-gradient(to right, #525288 0%, #a7a8bd 30%, #d1c2d3 50%, #c8adc4 70%, #CB3A56 100%); border: 1px solid var(--border-color); outline: none; cursor: pointer; box-shadow: inset 0 1px 3px rgba(0,0,0,0.2); }
.tone-slider::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 12px; height: 16px; background: var(--bg-color); border: 2px solid var(--accent-color); cursor: pointer; box-shadow: 0 1px 3px rgba(0,0,0,0.3); transition: transform 0.1s; }
.tone-slider::-webkit-slider-thumb:hover { transform: scale(1.1); }
/* 方块模式切换按钮，保持直角 */
.mode-square-btn {
  width: 28px;
  height: 28px;
  background: var(--bg-color);
  border: 2px solid var(--border-color);
  color: var(--text-color);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1), inset 0 1px 1px rgba(255,255,255,0.4);
  border-radius: 0; /* 取消圆角 */
  transition: all 0.2s;
  user-select: none;
}
.mode-square-btn:hover {
  border-color: var(--accent-color);
  background: var(--border-color);
  color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15), inset 0 1px 1px rgba(255,255,255,0.6);
}
.mode-square-btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}


/* Global Textarea Alignment Override */
/* 文本框左对齐 */
textarea {
  text-align: left !important;
}