/* ===== 色彩系統 ===== */
/* 靈感：Claude 暖白底 + Vivi Gold 點綴 */
/* 設計原則：高對比卡片浮於柔和背景，狀態一目了然 */

:root {
  /* 品牌金 */
  --gold: #A8874A;
  --gold-hover: #96783F;
  --gold-light: rgba(168, 135, 74, 0.06);
  --gold-border: rgba(168, 135, 74, 0.2);

  /* 底色層級（由淺到深）*/
  --bg-canvas: #F7F5F2;       /* 最底層白板 */
  --bg-surface: #FFFFFF;       /* 卡片、面板 */
  --bg-elevated: #FAFAF8;     /* hover、次層 */
  --bg-header: #FFFFFE;       /* 頂欄 */

  /* 文字層級 */
  --text-primary: #1A1918;     /* 主標題 */
  --text-body: #3D3B38;        /* 內文 */
  --text-secondary: #6E6B66;   /* 輔助 */
  --text-muted: #A5A19C;       /* 最淡 */

  /* 狀態色（飽和度壓低，不刺眼）*/
  --green: #3A8A40;
  --green-bg: rgba(58, 138, 64, 0.08);
  --green-border: rgba(58, 138, 64, 0.2);
  --yellow: #C4AA6A;
  --yellow-bg: rgba(196, 170, 106, 0.1);
  --yellow-border: rgba(196, 170, 106, 0.25);
  --red: #B83230;
  --red-bg: rgba(184, 50, 48, 0.08);
  --red-border: rgba(184, 50, 48, 0.2);

  /* 邊框 & 陰影 */
  --border: #E8E5E0;
  --border-light: #F0EDEA;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
  --shadow-gold: 0 0 0 2px rgba(168, 135, 74, 0.15);

  /* 圓角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Noto Sans TC', 'Inter', -apple-system, sans-serif;
  background: var(--bg-canvas);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===== 登入畫面 ===== */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: var(--bg-canvas);
}

.login-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 400px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.login-title {
  font-family: 'Inter', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 36px;
}

.login-form label {
  display: block;
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  margin-top: 18px;
  letter-spacing: 0.3px;
}

.login-form input[type="text"] {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: all 0.2s;
}

.login-form input[type="text"]:focus {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
  background: var(--bg-surface);
}

.role-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.role-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.role-option:hover {
  border-color: var(--gold-border);
  background: var(--bg-elevated);
}

.role-option input[type="radio"] {
  accent-color: var(--gold);
  width: 15px;
  height: 15px;
}

.role-label {
  font-size: 13px;
  color: var(--text-body);
}

#login-btn {
  width: 100%;
  margin-top: 28px;
  padding: 12px;
  background: var(--text-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}

#login-btn:hover {
  background: #333130;
}

/* ===== 頂部導航 ===== */
#header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  height: 52px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

#project-select {
  padding: 5px 10px;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-body);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.legend {
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: var(--text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-confirmed { background: var(--green); }
.dot-discuss { background: var(--yellow); }
.dot-gap { background: var(--red); }

#user-badge {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 4px 12px;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 20px;
}

/* ===== 左側簡報面板 ===== */
#brief-panel {
  position: fixed;
  top: 52px;
  left: 0;
  bottom: 0;
  width: 320px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  z-index: 50;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, width 0.3s ease;
  box-shadow: 2px 0 12px rgba(0,0,0,0.04);
}

#brief-panel.collapsed {
  transform: translateX(-320px);
}

.brief-toggle {
  position: absolute;
  right: -28px;
  top: 12px;
  width: 28px;
  height: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 6px 6px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 11px;
  color: var(--text-muted);
  z-index: 51;
  transition: all 0.15s;
}

.brief-toggle:hover {
  background: var(--bg-elevated);
  color: var(--text-body);
}

#brief-panel.collapsed .brief-toggle {
  right: -28px;
}

.brief-scroll {
  overflow-y: auto;
  flex: 1;
  padding: 20px;
}

.brief-section {
  margin-bottom: 20px;
}

.brief-section-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-light);
}

.brief-text {
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-body);
  white-space: pre-line;
}

.brief-pain {
  font-size: 12px;
  color: var(--text-body);
  padding: 6px 0 6px 12px;
  border-left: 2px solid var(--red);
  margin-bottom: 6px;
  line-height: 1.5;
}

.brief-role-row {
  display: flex;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 12px;
  align-items: baseline;
}

.brief-role-row:last-child { border-bottom: none; }

.brief-role-name {
  font-weight: 600;
  color: var(--text-primary);
  min-width: 64px;
  flex-shrink: 0;
}

.brief-role-desc {
  color: var(--text-secondary);
}

.brief-team-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 12px;
}

.brief-team-row:last-child { border-bottom: none; }

.brief-team-role { color: var(--text-secondary); }
.brief-team-name { font-weight: 600; color: var(--text-primary); }
.brief-team-org { color: var(--text-muted); font-size: 11px; }

.brief-locations {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.brief-location-tag {
  font-size: 11px;
  padding: 3px 10px;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-body);
}

.brief-phase {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 12px;
}

.brief-phase:last-child { border-bottom: none; }

.brief-phase-id {
  font-weight: 700;
  color: var(--text-muted);
  font-size: 10px;
  min-width: 24px;
}

.brief-phase-name {
  flex: 1;
  color: var(--text-body);
}

.brief-phase-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.phase-current {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green-border);
}

.phase-planned {
  background: var(--bg-canvas);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.phase-blocked {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid var(--red-border);
}

.brief-phase-note {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 32px;
  margin-top: -4px;
  margin-bottom: 4px;
}

/* 狀態儀表板 */
.brief-dashboard {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.brief-stat {
  flex: 1;
  text-align: center;
  padding: 10px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.brief-stat-number {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

.brief-stat-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.brief-stat.stat-confirmed { background: var(--green-bg); border-color: var(--green-border); }
.brief-stat.stat-confirmed .brief-stat-number { color: var(--green); }
.brief-stat.stat-confirmed .brief-stat-label { color: var(--green); }

.brief-stat.stat-discuss { background: var(--yellow-bg); border-color: var(--yellow-border); }
.brief-stat.stat-discuss .brief-stat-number { color: var(--yellow); }
.brief-stat.stat-discuss .brief-stat-label { color: var(--yellow); }

.brief-stat.stat-gap { background: var(--red-bg); border-color: var(--red-border); }
.brief-stat.stat-gap .brief-stat-number { color: var(--red); }
.brief-stat.stat-gap .brief-stat-label { color: var(--red); }

/* 決議紀錄 */
.brief-decision {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.brief-decision:last-child { border-bottom: none; }

.brief-decision-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3px;
}

.brief-decision-date {
  font-size: 10px;
  font-weight: 600;
  color: var(--gold);
}

.brief-decision-author {
  font-size: 10px;
  color: var(--text-muted);
}

.brief-decision-text {
  font-size: 12px;
  color: var(--text-body);
  line-height: 1.6;
}

.brief-decision-input {
  margin-top: 8px;
}

.brief-decision-input textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 12px;
  color: var(--text-primary);
  resize: none;
  outline: none;
  transition: all 0.2s;
}

.brief-decision-input textarea:focus {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}

.brief-decision-input button {
  margin-top: 6px;
  float: right;
  padding: 5px 14px;
  background: var(--text-primary);
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.brief-decision-input button:hover {
  background: #333130;
}

.brief-no-decisions {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  padding: 12px;
}

/* ===== 白板區域 ===== */
#board-container {
  position: fixed;
  top: 52px;
  left: 320px;
  right: 0;
  bottom: 0;
  overflow: auto;
  background: var(--bg-canvas);
  background-image:
    radial-gradient(circle, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
  transition: left 0.3s ease;
}

#board-container.brief-collapsed {
  left: 0;
}

#board {
  position: relative;
  min-width: 2000px;
  min-height: 1500px;
  padding: 40px;
}

#connections {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

#connections line {
  stroke: #C8C3BC;
  stroke-width: 1.5;
  stroke-dasharray: 6, 4;
}

#connections polygon {
  fill: #B5B0A8;
}

#cards-container {
  position: relative;
  z-index: 2;
}

/* ===== 卡片 ===== */
.card {
  position: absolute;
  width: 220px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  border-color: var(--gold-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card.active {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold), var(--shadow-md);
}

/* 卡片左邊的狀態色條 */
.card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--border);
  transition: background 0.2s;
}

.card.status-confirmed-bar::before { background: var(--green); }
.card.status-discuss-bar::before { background: var(--yellow); }
.card.status-gap-bar::before { background: var(--red); }

.card-category {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-status {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.status-confirmed {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green-border);
}

.status-discuss {
  background: var(--yellow-bg);
  color: var(--yellow);
  border: 1px solid var(--yellow-border);
}

.status-gap {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid var(--red-border);
}

.card-comments {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 3px;
}

/* ===== 右側面板 ===== */
#panel {
  position: fixed;
  top: 52px;
  right: 0;
  bottom: 0;
  width: 440px;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease;
  box-shadow: -4px 0 24px rgba(0,0,0,0.06);
}

#panel.panel-hidden {
  transform: translateX(100%);
  box-shadow: none;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
}

.panel-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  border-radius: 4px;
  transition: all 0.15s;
}

.panel-close:hover {
  color: var(--text-primary);
  background: var(--bg-canvas);
}

.panel-status {
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  background: var(--bg-elevated);
}

.panel-status label {
  color: var(--text-secondary);
  font-weight: 500;
}

#panel-status-select {
  padding: 4px 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-body);
  font-size: 12px;
  font-family: inherit;
  outline: none;
}

.panel-content {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-body);
  white-space: pre-wrap;
  border-bottom: 1px solid var(--border);
}

.panel-content .highlight-discuss {
  color: var(--yellow);
  font-weight: 600;
  background: var(--yellow-bg);
  padding: 1px 4px;
  border-radius: 3px;
}

.panel-content .highlight-gap {
  color: var(--red);
  font-weight: 600;
  background: var(--red-bg);
  padding: 1px 4px;
  border-radius: 3px;
}

.panel-content .highlight-confirmed {
  color: var(--green);
  font-weight: 600;
  background: var(--green-bg);
  padding: 1px 4px;
  border-radius: 3px;
}

/* ===== 留言區 ===== */
.panel-comments {
  display: flex;
  flex-direction: column;
  max-height: 45%;
}

.panel-comments h3 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 12px 24px 8px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

#comments-list {
  overflow-y: auto;
  flex: 1;
  padding: 0 24px;
}

.comment {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}

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

.comment-meta {
  font-size: 11px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.comment-author {
  color: var(--text-primary);
  font-weight: 600;
}

.comment-role {
  color: var(--text-muted);
  font-size: 10px;
}

.comment-time {
  color: var(--text-muted);
  margin-left: auto;
  font-size: 10px;
}

.comment-body {
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.6;
}

.comment-input {
  padding: 12px 24px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.comment-input textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  resize: none;
  outline: none;
  margin-bottom: 8px;
  transition: all 0.2s;
}

.comment-input textarea:focus {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}

.comment-input button {
  float: right;
  padding: 7px 18px;
  background: var(--text-primary);
  color: #FFFFFF;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.comment-input button:hover {
  background: #333130;
}

/* ===== 縮放控制 ===== */
#zoom-controls {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 6px;
  box-shadow: var(--shadow-md);
  z-index: 150;
}

#zoom-controls button {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-body);
  font-size: 16px;
  font-family: inherit;
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

#zoom-controls button:hover {
  background: var(--bg-canvas);
}

#zoom-controls .zoom-fit {
  width: auto;
  padding: 0 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-left: 2px;
  border-left: 1px solid var(--border);
}

#zoom-display {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 38px;
  text-align: center;
}

/* ===== 無留言提示 ===== */
.no-comments {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 24px;
}