/* ========================================
   Construction Manager v2 — Base Styles
   デザイン方針: 高コントラスト・大きめUI・視認性重視
   ======================================== */

:root {
  --color-primary:    #1d4ed8;  /* 深いブルー */
  --color-primary-h:  #1e40af;
  --color-primary-l:  #dbeafe;  /* 薄ブルー背景 */
  --color-success:    #16a34a;
  --color-success-l:  #dcfce7;
  --color-warning:    #d97706;
  --color-warning-l:  #fef3c7;
  --color-danger:     #dc2626;
  --color-danger-l:   #fee2e2;
  --color-gray-50:    #f8fafc;
  --color-gray-100:   #f1f5f9;
  --color-gray-200:   #e2e8f0;
  --color-gray-300:   #cbd5e1;
  --color-gray-400:   #94a3b8;
  --color-gray-500:   #64748b;
  --color-gray-600:   #475569;
  --color-gray-700:   #334155;
  --color-gray-800:   #1e293b;
  --color-gray-900:   #0f172a;
  --color-text:       #1e293b;
  --color-text-sub:   #475569;
  --color-border:     #e2e8f0;
  --color-bg:         #f8fafc;
  --color-white:      #ffffff;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 24px rgba(0,0,0,.12);

  /* 1.5x base font */
  --font-xs:    13px;
  --font-sm:    15px;
  --font-md:    17px;
  --font-lg:    20px;
  --font-xl:    24px;
  --font-2xl:   30px;

  --header-h:   64px;
}

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

html { font-size: 16px; }

body {
  font-family: "Inter", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: var(--font-md);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ========================================
   Header
   ======================================== */
#appHeader {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--color-white);
  border-bottom: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 24px;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--font-lg);
  text-decoration: none;
  white-space: nowrap;
}
.logo svg { flex-shrink: 0; }
.logo:hover { text-decoration: none; opacity: .85; }

.header-nav {
  display: flex;
  gap: 4px;
  flex: 1;
}

.header-nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  text-decoration: none;
  transition: background .15s, color .15s;
}
.header-nav a:hover,
.header-nav a.active {
  background: var(--color-primary-l);
  color: var(--color-primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* ========================================
   Main container
   ======================================== */
#pageContainer {
  margin-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
}

.page-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px;
}

.page-title {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ========================================
   Cards
   ======================================== */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: var(--font-md);
  font-weight: 700;
  color: var(--color-gray-700);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: var(--font-md);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background .15s, transform .1s, box-shadow .15s;
  white-space: nowrap;
  line-height: 1;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-h); box-shadow: var(--shadow-md); }

.btn-success {
  background: var(--color-success);
  color: #fff;
}
.btn-success:hover:not(:disabled) { background: #15803d; box-shadow: var(--shadow-md); }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) { background: #b91c1c; }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--color-primary-l);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-600);
  border: 2px solid var(--color-gray-300);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-gray-100);
  border-color: var(--color-gray-400);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-sm);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--font-lg);
  border-radius: var(--radius-lg);
}

.btn-icon {
  padding: 10px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-gray-500);
  transition: background .15s, color .15s;
}
.btn-icon:hover { background: var(--color-gray-100); color: var(--color-gray-800); }

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 8px;
}
.form-label .required {
  color: var(--color-danger);
  margin-left: 4px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 12px 14px;
  font-size: var(--font-md);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.5;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, .15);
}
.form-control::placeholder { color: var(--color-gray-400); }

select.form-control { cursor: pointer; }

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  gap: 16px;
}
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-hint {
  font-size: var(--font-xs);
  color: var(--color-gray-500);
  margin-top: 5px;
}

/* ========================================
   Tables
   ======================================== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-sm);
}

thead th {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  font-weight: 700;
  font-size: var(--font-sm);
  padding: 14px 16px;
  text-align: left;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-gray-100);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover { background: var(--color-gray-50); }

.td-number { text-align: right; font-variant-numeric: tabular-nums; }

/* ========================================
   Status badges
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: var(--font-xs);
  font-weight: 700;
  border-radius: 100px;
  white-space: nowrap;
}

.badge-blue    { background: var(--color-primary-l); color: var(--color-primary); }
.badge-green   { background: var(--color-success-l); color: var(--color-success); }
.badge-yellow  { background: var(--color-warning-l); color: var(--color-warning); }
.badge-red     { background: var(--color-danger-l);  color: var(--color-danger); }
.badge-gray    { background: var(--color-gray-200);  color: var(--color-gray-600); }

/* ========================================
   Toast notifications
   ======================================== */
.toast-container {
  position: fixed;
  bottom: 32px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--color-gray-800);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 400px;
  animation: slideUp .25s ease;
}
.toast.success { background: var(--color-success); }
.toast.error   { background: var(--color-danger); }
.toast.warning { background: var(--color-warning); }

@keyframes slideUp {
  from { transform: translateY(16px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ========================================
   Utilities
   ======================================== */
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-muted  { color: var(--color-gray-500); }
.text-danger { color: var(--color-danger); }
.text-success{ color: var(--color-success); }
.text-primary{ color: var(--color-primary); }
.fw-bold     { font-weight: 700; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16{ margin-top: 16px; }
.mt-24{ margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16{ margin-bottom: 16px; }
.mb-24{ margin-bottom: 24px; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex   { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.grid   { display: grid; }
.hidden { display: none !important; }

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 20px 0;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  :root {
    --font-md: 16px;
    --font-sm: 14px;
  }
  .form-row.cols-2,
  .form-row.cols-3 { grid-template-columns: 1fr; }
  .page-inner { padding: 16px; }
  .logo-text { display: none; }
}