/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2333;
  --bg-card-hover: #222d3f;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-purple: #a855f7;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-gold: #f59e0b;
  --gradient-1: linear-gradient(135deg, #a855f7, #6366f1);
  --gradient-2: linear-gradient(135deg, #3b82f6, #06b6d4);
  --gradient-3: linear-gradient(135deg, #f59e0b, #ef4444);
  --gradient-highlight: linear-gradient(135deg, #10b981, #06b6d4);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4), 0 4px 6px -4px rgba(0,0,0,0.3);
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: 'Inter', 'Noto Sans JP', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* Login Screen */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0d1117 0%, #1a1040 50%, #0d1117 100%);
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem;
  text-align: center;
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}

.login-logo { font-size: 4rem; margin-bottom: 1rem; }
.login-card h1 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.login-card p { color: var(--text-secondary); margin-bottom: 1.5rem; }

.login-card input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.login-card input:focus { border-color: var(--accent-purple); }

.login-card button {
  width: 100%;
  padding: 0.75rem;
  background: var(--gradient-1);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.login-card button:hover { opacity: 0.9; }
.error { color: var(--accent-red); margin-top: 0.5rem; font-size: 0.875rem; }

/* Dashboard */
.dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.header-left { display: flex; align-items: center; gap: 0.75rem; }
.header-left .logo { font-size: 2rem; }
.header-left h1 { font-size: 1.25rem; font-weight: 700; }
.header-right { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.last-update { color: var(--text-muted); font-size: 0.8rem; margin-right: 0.5rem; }

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  white-space: nowrap;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover { border-color: var(--accent-purple); color: var(--accent-purple); }

.btn-primary {
  background: var(--gradient-1);
  color: white;
}

.btn-primary:hover { opacity: 0.9; }

/* Summary Cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all 0.3s;
  box-shadow: var(--shadow);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(168, 85, 247, 0.3);
}

.summary-card {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.summary-card.highlight { border-color: var(--accent-green); background: linear-gradient(135deg, rgba(16,185,129,0.1), rgba(6,182,212,0.05)); }

.card-icon { font-size: 2rem; }
.card-content { display: flex; flex-direction: column; }
.card-label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; }
.card-value { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em; }

/* Sections */
.section { margin-bottom: 2rem; }
.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-left: 0.25rem;
}

/* Tables */
.table-card { padding: 0; overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
}

tbody tr:hover { background: var(--bg-card-hover); }
tfoot td { font-weight: 700; background: rgba(168,85,247,0.08); }

/* GSC Grid */
.gsc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--accent-cyan);
}

.gsc-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.gsc-stat {
  text-align: center;
  padding: 0.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.gsc-stat .stat-value { display: block; font-size: 1.25rem; font-weight: 700; color: var(--accent-blue); }
.gsc-stat .stat-label { display: block; font-size: 0.7rem; color: var(--text-muted); }

.chart-container { position: relative; height: 200px; }

/* Index Status */
.index-status { text-align: center; padding: 1rem; }
.index-numbers { display: flex; align-items: baseline; justify-content: center; gap: 0.25rem; margin-bottom: 1rem; }
.index-current { font-size: 3rem; font-weight: 700; color: var(--accent-green); }
.index-separator { font-size: 2rem; color: var(--text-muted); }
.index-total { font-size: 2rem; font-weight: 600; color: var(--text-secondary); }
.index-label { display: block; color: var(--text-muted); font-size: 0.85rem; margin-top: 0.25rem; }

.progress-bar {
  height: 12px;
  background: var(--bg-secondary);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-highlight);
  border-radius: 6px;
  transition: width 0.5s ease;
}

.progress-percent { color: var(--text-secondary); font-size: 0.9rem; font-weight: 600; }

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stat-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.stat-icon { font-size: 1.5rem; }
.stat-card .stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-card .stat-label { font-size: 0.8rem; color: var(--text-secondary); }

/* Page Links */
.page-link {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s;
  display: block;
}

.page-link:hover {
  color: var(--accent-cyan);
}

.page-link:hover strong {
  text-decoration: underline;
}

/* KW Chance Badge */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-high { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.badge-medium { background: rgba(245,158,11,0.15); color: var(--accent-gold); }
.badge-low { background: rgba(16,185,129,0.15); color: var(--accent-green); }

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 { font-size: 1.1rem; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

.modal-close:hover { color: var(--text-primary); }

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* Editor Tabs */
.editor-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.tab {
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all 0.2s;
}

.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent-purple); border-bottom: 2px solid var(--accent-purple); }

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.form-grid input, .aff-row input {
  padding: 0.5rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
}

.form-grid input:focus, .aff-row input:focus { border-color: var(--accent-purple); }

.aff-row, .kw-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.aff-row input, .kw-row input { flex: 1; min-width: 80px; }

.btn-remove {
  background: rgba(239,68,68,0.15);
  color: var(--accent-red);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
}

.btn-remove:hover { background: rgba(239,68,68,0.3); }

/* Daily Averages */
.daily-avg-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.daily-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.25rem 0.75rem;
}

.daily-icon { font-size: 1.5rem; }

.daily-main {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.daily-value { font-size: 1.5rem; font-weight: 700; }
.daily-label { font-size: 0.7rem; color: var(--text-secondary); }

.daily-total {
  font-size: 0.7rem;
  color: var(--text-muted);
  padding-top: 0.25rem;
  border-top: 1px solid var(--border);
  width: 100%;
  text-align: center;
}

.avg-note {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-align: right;
  margin-top: 0.5rem;
}

@media (max-width: 768px) {
  .daily-avg-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .daily-avg-grid { grid-template-columns: repeat(2, 1fr); }
}

/* CTA Grid */
.cta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

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

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 768px) {
  .summary-cards { grid-template-columns: repeat(2, 1fr); }
  .gsc-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .gsc-stats { grid-template-columns: repeat(2, 1fr); }
  .header { flex-direction: column; align-items: flex-start; }
  .header-right { width: 100%; }
}

@media (max-width: 480px) {
  .summary-cards { grid-template-columns: 1fr; }
  .dashboard { padding: 0.75rem; }
}