/* ── Animal Password · Shared Variables & Components ── */
:root {
  --primary: #19c8b9;
  --primary-hover: #3dd4c6;
  --primary-active: #11a89b;
  --primary-bg: #e6f9f6;
  --text: #794f27;
  --text-body: #725d42;
  --text-secondary: #9f927d;
  --text-muted: #8a7b66;
  --text-disabled: #c4b89e;
  --bg: #f8f8f0;
  --bg-content: rgb(247, 243, 223);
  --bg-disabled: #f0ece2;
  --border: #c4b89e;
  --border-hover: #a89878;
  --border-strong: #9f927d;
  --success: #6fba2c;
  --warning: #f5c31c;
  --error: #e05a5a;
  --focus-yellow: #ffcc00;
  --shadow-btn: #bdaea0;
  --shadow-input: #d4c9b4;
  --r-sm: 12px;
  --r-base: 18px;
  --r-lg: 24px;
  --r-pill: 50px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --d-fast: 0.15s;
  --d-base: 0.25s;
  --d-slow: 0.35s;
}

/* ── Reset ── */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* ── Reset ── */
.hidden {
  display: none !important;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon svg {
  width: 100%;
  height: 100%;
}

.flex-row {
  display: flex;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gap-8 {
  gap: 8px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--r-pill);
  transition: all var(--d-fast) var(--ease);
  user-select: none;
  font-family: inherit;
  outline: none;
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn.sm {
  height: 32px;
  padding: 0 16px;
  font-size: 12px;
  border-radius: 16px;
}

.btn.md {
  height: 45px;
  padding: 0 20px;
  font-size: 14px;
  border-radius: var(--r-pill);
}

.btn.primary {
  color: var(--text);
  background: var(--bg);
  border-color: var(--bg);
  box-shadow: 0 5px 0 0 var(--shadow-btn);
}

.btn.primary:hover {
  box-shadow: 0 6px 0 0 var(--shadow-btn);
  transform: translateY(-1px);
}

.btn.primary:active {
  box-shadow: 0 1px 0 0 var(--shadow-btn);
  transform: translateY(2px);
}

.btn.danger {
  color: #fff;
  background: var(--error);
  border-color: var(--error);
  box-shadow: 0 5px 0 0 #c94444;
}

.btn.danger:hover {
  box-shadow: 0 6px 0 0 #c94444;
  transform: translateY(-1px);
}

.btn.default {
  background: var(--bg);
  border: 2px solid var(--border-strong);
  box-shadow: 0 2px 4px 0 rgba(61, 52, 40, 0.06);
}

.btn.default:hover {
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 3px 10px 0 rgba(61, 52, 40, 0.1);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  box-shadow: none !important;
  transform: none !important;
}

.btn .icon {
  width: 16px;
  height: 16px;
}

/* ── Inputs ── */
.anim-input {
  width: 100%;
  background: var(--bg-content);
  border: 2px solid var(--border);
  color: var(--text-body);
  font-weight: 500;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  outline: none;
  transition: all var(--d-fast) var(--ease);
  font-family: inherit;
}

.anim-input::placeholder {
  color: var(--text-disabled);
  font-weight: 400;
}

.anim-input:focus {
  border-color: var(--focus-yellow);
  box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.15);
}