:root {
  --primary: #059669;
  --primary-hover: #047857;
  --primary-light: #ecfdf5;
  --accent: #2563eb;
  --accent-light: #eff6ff;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-focus: #10b981;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Auth Modal Overlay */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1.5rem;
}

.auth-modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid var(--border);
}

.auth-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 2rem;
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.auth-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.auth-input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1.25rem;
  letter-spacing: 0.25rem;
  text-align: center;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  outline: none;
  transition: all 0.2s;
}

.auth-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.auth-btn {
  width: 100%;
  padding: 0.85rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.auth-btn:hover {
  background: var(--primary-hover);
}

.auth-error {
  color: #ef4444;
  font-size: 0.85rem;
  margin-top: 0.75rem;
  display: none;
}

/* Header & Navbar */
header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-badge {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
}

.brand-info h1 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.2;
}

.brand-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-tabs {
  display: flex;
  gap: 0.5rem;
  background: #f1f5f9;
  padding: 0.3rem;
  border-radius: var(--radius-md);
}

.tab-btn {
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s;
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: white;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.15s;
}

.btn-sm:hover {
  background: #f8fafc;
  color: var(--text-main);
}

/* Main Layout */
main {
  max-width: 1280px;
  margin: 1.5rem auto;
  padding: 0 1.5rem 3rem;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Section Header */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.section-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Stats Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-icon.green { background: #dcfce7; color: #16a34a; }
.stat-icon.blue { background: #dbeafe; color: #2563eb; }
.stat-icon.purple { background: #f3e8ff; color: #9333ea; }
.stat-icon.amber { background: #fef3c7; color: #d97706; }

.stat-val {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Analytics Row */
.analytics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 900px) {
  .analytics-row {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Market Pills & Tags */
.tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  background: #f1f5f9;
  color: #475569;
}

.tag-badge.market {
  background: #dbeafe;
  color: #1e40af;
  font-weight: 600;
}

.tag-badge.primary {
  background: #dcfce7;
  color: #166534;
}

/* Search & Filter Bar */
.search-bar-wrap {
  background: var(--bg-card);
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.search-input-box {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.filter-pills {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-pill {
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: white;
  border-radius: 9999px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.15s;
}

.filter-pill:hover, .filter-pill.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

/* Meetings List & Cards */
.meeting-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, box-shadow 0.15s;
}

.meeting-card:hover {
  box-shadow: var(--shadow-md);
}

.meeting-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.meeting-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.meeting-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: #f8fafc;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.meeting-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.action-items-preview {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
}

.action-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  font-size: 0.85rem;
}

.action-status {
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.action-status.pending { background: #fef3c7; color: #b45309; }
.action-status.in_progress { background: #dbeafe; color: #1d4ed8; }
.action-status.completed { background: #dcfce7; color: #15803d; }

/* Kanban Board */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  overflow-x: auto;
  padding-bottom: 1rem;
}

@media (max-width: 1024px) {
  .kanban-board {
    grid-template-columns: repeat(4, 300px);
  }
}

.kanban-column {
  background: #f1f5f9;
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  min-height: 500px;
}

.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.column-badge {
  background: #e2e8f0;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  color: #475569;
}

.kanban-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  transition: transform 0.15s, box-shadow 0.15s;
}

.kanban-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kanban-card-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.kanban-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.kanban-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid #f1f5f9;
  padding-top: 0.5rem;
}

.kanban-select {
  font-size: 0.75rem;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #f8fafc;
  cursor: pointer;
}

/* Members Grid */
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.member-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.member-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.member-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
}

.member-name {
  font-size: 1.15rem;
  font-weight: 700;
}

.member-role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.member-section {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.member-section-title {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

/* Meeting Editor Form */
.form-container {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

textarea.form-control {
  min-height: 180px;
  resize: vertical;
}

.action-item-builder {
  background: #f8fafc;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.action-row-input {
  display: grid;
  grid-template-columns: 120px 1fr 140px 40px;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

@media (max-width: 640px) {
  .action-row-input {
    grid-template-columns: 1fr;
  }
}

.btn-remove {
  background: #fee2e2;
  color: #ef4444;
  border: none;
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
}

.btn-add-item {
  background: white;
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
}

.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

/* Toast Message */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #0f172a;
  color: white;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}