:root {
  --bg:       #f5f7fa;
  --surface:  #ffffff;
  --border:   #e2e8f0;
  --text:     #1a202c;
  --sub:      #718096;
  --primary:  #2b6cb0;
  --primary-h:#2c5282;
  --accent:   #3182ce;
  --danger:   #e53e3e;
  --chip-bg:  #ebf8ff;
  --chip-text:#2b6cb0;
  --radius:   12px;
  --shadow:   0 2px 12px rgba(0,0,0,.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP",
               sans-serif;
  background-color: #eef4fb;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(43,108,176,0.07) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(49,130,206,0.06) 0%, transparent 40%),
    radial-gradient(circle, rgba(43,108,176,0.08) 1.2px, transparent 1.2px);
  background-size: auto, auto, 28px 28px;
  color: var(--text);
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.6;
}

/* Header */
.app-header {
  background: var(--primary);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.session-info { font-size: .8rem; opacity: .85; }

/* Layout */
.container { max-width: 560px; margin: 0 auto; padding: 20px 16px 60px; }

/* Card */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  margin-bottom: 16px;
}
.card-center { text-align: center; }
.card-title  { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.card-sub    { color: var(--sub); font-size: .9rem; margin-bottom: 20px; }

/* Form */
.form    { display: flex; flex-direction: column; gap: 16px; }
.field   { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: .85rem; font-weight: 600; color: var(--sub); }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color .15s;
  appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
textarea { resize: vertical; }

/* Buttons */
.btn {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  transition: background .15s, transform .1s;
}
.btn:active { transform: scale(.97); }
.btn-primary   { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: #cbd5e0; }
.btn-full { width: 100%; }

.btn-group     { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.btn-group-col { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }

/* Fish widget */
.fish-widget { position: relative; }
.fish-chips  { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.fish-chip {
  background: var(--chip-bg);
  color: var(--chip-text);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.fish-chip button {
  background: none; border: none; cursor: pointer;
  color: var(--chip-text); font-size: 1rem; padding: 0; line-height: 1;
}

.fish-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  z-index: 100;
  max-height: 240px;
  overflow-y: auto;
}
.dropdown-item {
  padding: 10px 14px;
  cursor: pointer;
  font-size: .95rem;
  border-bottom: 1px solid var(--border);
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background: var(--bg); }
.dropdown-add { color: var(--accent); font-weight: 600; }

/* Pending (new) fish chip */
.fish-chip-new {
  background: #fffbeb;
  color: #b45309;
  border: 1.5px dashed #f59e0b;
}

/* Bulk modal */
.modal-wide { max-width: 520px; }
.modal-sub  { color: var(--sub); font-size: .85rem; margin-top: -8px; }

.bulk-fish-item {
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bulk-fish-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.bulk-fish-name  { font-weight: 700; font-size: 1rem; }
.bulk-loading    { font-size: .8rem; color: var(--sub); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}
.modal-overlay[hidden] {
  display: none !important;
}
.modal {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px 20px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal-title     { font-size: 1.1rem; font-weight: 700; }
.modal-fish-name { font-size: 1.2rem; color: var(--accent); font-weight: 700; }
.modal-loading   { color: var(--sub); font-size: .9rem; }
.modal-error     { color: var(--danger); font-size: .85rem; }

/* Alert */
.alert {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: .9rem;
}
.alert-error   { background: #fff5f5; color: var(--danger);  border: 1px solid #fed7d7; }
.alert-success { background: #f0fff4; color: #276749;        border: 1px solid #9ae6b4; }

/* Complete */
.complete-icon { font-size: 3rem; margin-bottom: 8px; }