/* XTC Flasher — HelloRuru DS 2.2 經典版套皮 */

/* ===== GenSenRounded 子集化字體（DS 2.2 規範）===== */
@font-face {
  font-family: 'GenSenRounded';
  src: url('https://lab.helloruru.com/fonts/GenSenRounded-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'GenSenRounded';
  src: url('https://lab.helloruru.com/fonts/GenSenRounded-Medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'GenSenRounded';
  src: url('https://lab.helloruru.com/fonts/GenSenRounded-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

/* ===== DS 2.2 色彩變數 ===== */
:root {
  /* 商標色 */
  --brand-pink: #DFC6C6;
  --brand-brown: #6D5954;

  /* 主色 */
  --rose: #D4A5A5;
  --lavender: #B8A9C9;
  --coral: #E8A87C;

  /* 粉色系 */
  --blush: #F5D0C5;
  --rose-gray: #C9929A;
  --nadeshiko: #E8B4B8;
  --sakura: #FEDFE1;

  /* 紫色系 */
  --aubergine: #9B7E93;
  --wisteria: #C4B7D7;

  /* 中性色 */
  --sage: #A8B5A0;
  --mist: #E8E4E1;
  --warm-gray: #B5ADA7;
  --charcoal: #5C5856;

  /* 珊瑚系 */
  --coral-deep: #D09060;
  --coral-light: #F2C8A8;
  --coral-bg: rgba(232, 168, 124, 0.10);

  /* 文字 */
  --text-h1: #333333;
  --text-body: #4A4A4A;
  --text-muted: #888888;
  --text-light: #AAAAAA;

  /* 背景 */
  --bg-page: #FAFAFA;
  --bg-card: #FFFFFF;

  /* 陰影（暖色，不是純黑） */
  --shadow-sm: 0 2px 8px rgba(212, 165, 165, 0.08);
  --shadow-md: 0 4px 16px rgba(212, 165, 165, 0.10);
  --shadow-lg: 0 8px 32px rgba(212, 165, 165, 0.14);

  /* 漸層 */
  --gradient-brand: linear-gradient(135deg, #DFC6C6, #6D5954);
  --gradient-main: linear-gradient(135deg, #D4A5A5, #B8A9C9);
  --gradient-divider: linear-gradient(90deg, transparent, #DFC6C6, #6D5954, #DFC6C6, transparent);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'GenSenRounded', 'Noto Sans TC', sans-serif;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background: var(--bg-page);
  background-image:
    radial-gradient(circle at 15% 10%, rgba(212, 165, 165, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(184, 169, 201, 0.06) 0%, transparent 40%);
}

/* ===== 頂部品牌橫幅 ===== */
.topbar {
  background: var(--gradient-main);
  padding: 48px 16px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.topbar::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 160px;
  height: 160px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  filter: blur(20px);
}
.topbar::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 200px;
  height: 200px;
  background: rgba(255, 223, 225, 0.10);
  border-radius: 50%;
  filter: blur(30px);
}
.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.site-title {
  margin: 0 0 8px 0;
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
  text-shadow: 0 2px 12px rgba(109, 89, 84, 0.25);
}
.site-sub {
  margin: 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
}
.site-version {
  margin: 8px 0 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 400;
  letter-spacing: 0.3px;
}
.site-version span {
  background: rgba(255, 255, 255, 0.18);
  padding: 2px 10px;
  border-radius: 12px;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 11px;
  letter-spacing: 0.5px;
}

/* 刷機按鈕上方的版本徽章 */
.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  margin: 0 0 14px 0;
  background: linear-gradient(135deg, rgba(232, 168, 124, 0.12), rgba(212, 165, 165, 0.12));
  border: 1px solid rgba(232, 168, 124, 0.30);
  border-radius: 20px;
  font-size: 13px;
}
.version-label {
  color: var(--text-muted);
}
.version-number {
  color: var(--coral-deep);
  font-weight: 500;
  font-family: "Consolas", "Monaco", monospace;
  letter-spacing: 0.4px;
}

/* ===== 主容器 ===== */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

/* ===== 卡片（DS 2.2 A 款 / B 款）===== */
.card {
  background: var(--bg-card);
  border-radius: 24px;
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
  border: 1px solid rgba(223, 198, 198, 0.20);
}

/* B 款：淡粉款，重點用 */
.card-warning {
  background: linear-gradient(135deg, #FFF4F1, #FDF8F5);
  border: 1px solid rgba(232, 168, 124, 0.30);
  box-shadow: var(--shadow-md);
}

/* 便利貼款（C 款）—— 警告區 */
.card-note {
  background: linear-gradient(135deg, #FEF9F7, #FDF8F5);
  border: 1px solid rgba(223, 198, 198, 0.35);
  position: relative;
}
.card-note::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 4px;
  background: var(--gradient-brand);
  border-radius: 0 0 4px 4px;
}

/* 狀態卡片 */
.card-status {
  background: linear-gradient(135deg, #FBF8FC, #FDF8F5);
  border-left: 4px solid var(--lavender);
}

.card h2 {
  margin: 0 0 16px 0;
  font-size: 20px;
  font-weight: 500;
  color: var(--brand-brown);
  letter-spacing: 0.5px;
}

.card ul, .card ol {
  margin: 12px 0;
  padding-left: 24px;
}
.card li {
  margin: 8px 0;
  line-height: 1.8;
}

/* ===== 提示文字 ===== */
.hint {
  font-size: 14px;
  color: var(--text-muted);
  margin: 8px 0 16px 0;
  line-height: 1.7;
}
.hint.small { font-size: 13px; }
.hint b { color: var(--rose-gray); font-weight: 500; }

/* ===== 按鈕（DS 2.2 圓角 24px）===== */
.btn {
  font-family: 'GenSenRounded', 'Noto Sans TC', sans-serif;
  font-size: 15px;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  min-height: 48px;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}
.btn:active:not(:disabled) {
  transform: scale(0.97);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: saturate(0.6);
}

/* 主按鈕（珊瑚色，DS 規範重點用）*/
.btn-primary {
  background: linear-gradient(135deg, var(--coral), var(--coral-deep));
  color: #fff;
  box-shadow: 0 4px 14px rgba(232, 168, 124, 0.35);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(232, 168, 124, 0.45);
  transform: translateY(-1px);
}

/* 次要按鈕（玫瑰粉）*/
.btn-secondary {
  background: linear-gradient(135deg, var(--rose), var(--rose-gray));
  color: #fff;
  box-shadow: 0 4px 14px rgba(212, 165, 165, 0.30);
}
.btn-secondary:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(212, 165, 165, 0.40);
  transform: translateY(-1px);
}

.btn-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

/* ===== 檔案選擇器 ===== */
.file-input {
  flex: 1;
  min-width: 220px;
  padding: 12px 16px;
  border: 1px solid var(--mist);
  border-radius: 12px;
  font-size: 14px;
  background: #fff;
  font-family: inherit;
  color: var(--text-body);
}
.file-input:hover {
  border-color: var(--brand-pink);
}

/* ===== 狀態顯示 ===== */
#status-line {
  font-size: 15px;
  padding: 14px 18px;
  border-radius: 12px;
  background: #FDF8F5;
  color: var(--text-body);
  border-left: 3px solid var(--mist);
  transition: all 0.3s ease;
}
.status-idle {
  background: #FDF8F5;
  color: var(--text-muted);
  border-left-color: var(--mist) !important;
}
.status-running {
  background: rgba(196, 183, 215, 0.15);
  color: var(--aubergine);
  border-left-color: var(--lavender) !important;
}
.status-success {
  background: rgba(168, 181, 160, 0.15);
  color: #5A8F5A;
  border-left-color: var(--sage) !important;
}
.status-error {
  background: rgba(201, 146, 154, 0.15);
  color: var(--rose-gray);
  border-left-color: var(--rose-gray) !important;
}

/* ===== 進度條 ===== */
.progress-wrap {
  margin-top: 24px;
  padding: 16px 18px;
  background: linear-gradient(135deg, #FFF8F5, #FDF4F4);
  border-radius: 16px;
  border: 1px solid rgba(232, 168, 124, 0.20);
  box-shadow: inset 0 1px 4px rgba(109, 89, 84, 0.06);
}
.progress-bar {
  height: 16px;
  background: #F5F0ED;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 10px;
  box-shadow: inset 0 2px 4px rgba(109, 89, 84, 0.10);
  position: relative;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rose), var(--coral), var(--coral-deep));
  background-size: 200% 100%;
  animation: shimmer 2s ease-in-out infinite;
  width: 0%;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(232, 168, 124, 0.35);
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.progress-text {
  font-size: 14px;
  color: var(--brand-brown);
  text-align: center;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ===== Log ===== */
.log-wrap { margin-top: 20px; }
.log-header {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}
#log {
  background: #2C2426;
  color: #EDE8E9;
  padding: 16px 20px;
  border-radius: 12px;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 12px;
  line-height: 1.6;
  max-height: 260px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
}

/* ===== 隱藏 ===== */
.hidden { display: none !important; }

/* ===== Code inline ===== */
code {
  background: var(--coral-bg);
  color: var(--coral-deep);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.9em;
  font-family: "Consolas", "Monaco", monospace;
  font-weight: 500;
}

/* ===== Footer（DS 2.2 居中漸層淡線）===== */
.footer {
  text-align: center;
  padding: 48px 16px 40px;
  color: var(--text-muted);
  font-size: 14px;
  background: transparent;
  position: relative;
}
.footer::before {
  content: "";
  display: block;
  width: 120px;
  height: 1px;
  margin: 0 auto 24px;
  background: var(--gradient-divider);
  opacity: 0.6;
}
.footer p {
  margin: 6px 0;
  line-height: 1.7;
}
.footer a {
  color: var(--brand-brown);
  text-decoration: none;
  border-bottom: 1px dotted var(--brand-pink);
}
.footer a:hover {
  color: var(--rose-gray);
  border-bottom-color: var(--rose-gray);
}
.footer .copyright {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 12px;
}

/* ===== 響應式（DS 2.2 斷點）===== */
@media (max-width: 767px) {
  .site-title { font-size: 30px; }
  .site-sub { font-size: 14px; }
  .topbar { padding: 36px 16px 40px; }
  .container { padding: 20px 16px 36px; }
  .card {
    padding: 20px 20px;
    border-radius: 20px;
  }
  .card h2 { font-size: 18px; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}