.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 22px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-white);
  background: var(--color-deep);
  border: 1.5px solid var(--color-deep);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s var(--ease-out), box-shadow 0.2s;
}
.btn:hover { background: var(--color-deeper); border-color: var(--color-deeper); color: var(--color-white); }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: transparent; color: var(--color-deep); }
.btn--ghost:hover { background: var(--color-panel); color: var(--color-deep); border-color: var(--color-deep); }
.btn--light { background: var(--color-white); color: var(--color-deep); border-color: var(--color-white); }
.btn--light:hover { background: var(--color-panel); border-color: var(--color-panel); color: var(--color-deep); }
.btn--accent { background: var(--color-accent); border-color: var(--color-accent); }
.btn--accent:hover { background: #2a86b5; border-color: #2a86b5; }
.btn--small { min-height: 40px; padding: 8px 16px; font-size: 0.875rem; }
.btn--large { min-height: 56px; padding: 14px 28px; font-size: 1.0625rem; }
.btn--wide { width: 100%; }
.btn .ico { width: 18px; height: 18px; }
.btn.is-shake { animation: btn-shake 0.45s var(--ease-out); }
@keyframes btn-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.field { display: block; margin-bottom: 14px; }
.field > span {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-ink);
}
.field input[type="email"],
.field input[type="password"],
.field input[type="text"],
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 14px;
  font: inherit;
  color: var(--color-ink);
  background: var(--color-white);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus,
.field textarea:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(51, 153, 204, 0.22);
}
.field small { display: block; margin-top: 6px; font-size: 0.8125rem; color: var(--color-muted); }

.picker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 16px;
  border: 1.5px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-ink);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s, box-shadow 0.15s;
}
.chip .ico { width: 18px; height: 18px; color: var(--color-accent); }
.chip:hover { border-color: var(--color-accent); }
.chip[aria-pressed="true"] {
  background: var(--color-deep);
  border-color: var(--color-deep);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.22);
}
.chip[aria-pressed="true"] .ico { color: #8fc7e8; }
.chip--sm { min-height: 38px; padding: 6px 12px; font-size: 0.875rem; }
.chip--sm .ico { width: 16px; height: 16px; }

.agree {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}
.agree input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--color-deep);
}

.hp-slot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-top: 10px;
}
.form-error {
  display: none;
  color: #a12626;
  font-size: 0.875rem;
  margin-top: 10px;
}
.form-error.is-on { display: block; }