/* WorkDiary Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f6f8;
  --surface: #fff;
  --border: #e2e5e9;
  --text: #1a1d23;
  --text-muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Layout ─────────────────────────────────── */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.app-header h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.app-header .user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
}
.app-header .user-info .role {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 600;
}
.role.admin { background: #fef3c7; color: #92400e; }
.role.user  { background: #e0e7ff; color: #3730a3; }

.main-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px;
}

/* ── Nav tabs ───────────────────────────────── */
.nav-tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 24px;
}
.nav-tab {
  flex: 1;
  padding: 10px 16px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.nav-tab:hover { color: var(--text); }
.nav-tab.active {
  background: var(--primary);
  color: #fff;
}

/* ── Cards ──────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* ── Forms ──────────────────────────────────── */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.platform-row {
  display: grid;
  grid-template-columns: 1fr 100px 100px;
  gap: 8px;
  align-items: end;
  padding: 10px 12px;
  background: #f9fafb;
  border-radius: 6px;
  margin-bottom: 8px;
}
.platform-row .platform-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.platform-row label {
  font-size: 11px;
  margin-bottom: 2px;
}
.platform-header {
  display: grid;
  grid-template-columns: 1fr 100px 100px;
  gap: 8px;
  padding: 0 12px 8px;
}
.platform-header span {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

/* ── Buttons ────────────────────────────────── */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: #f9fafb; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Login ──────────────────────────────────── */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.login-card h1 {
  font-size: 24px;
  margin-bottom: 4px;
}
.login-card .subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ── Dashboard ──────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  align-items: center;
}
.filter-bar select,
.filter-bar input[type="date"] {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.summary-card {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: var(--radius);
  padding: 16px;
}
.summary-card h3 {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 4px;
}
.summary-card .count {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}
.summary-card .detail {
  font-size: 11px;
  color: #075985;
  margin-top: 2px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th,
.data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  background: #f9fafb;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
}
.data-table tr:hover td {
  background: #f9fafb;
}

/* ── Toast ──────────────────────────────────── */
.toast {
  position: fixed;
  top: 16px;
  right: 16px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  z-index: 999;
  animation: slideIn 0.3s ease;
}
.toast.success { background: #16a34a; color: #fff; }
.toast.error   { background: #dc2626; color: #fff; }
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

.hidden { display: none !important; }
.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 14px;
}