/* ==========================================================================
   StoryTail — Global Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Noto+Sans+Thai:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Warm storybook palette */
  --color-cream: #fff8ee;
  --color-cream-deep: #fdefd8;
  --color-amber-50: #fff4e0;
  --color-amber-100: #ffe4b0;
  --color-amber-300: #ffc266;
  --color-amber-500: #f79b2d;
  --color-amber-600: #e9821a;
  --color-coral: #ff7a6b;
  --color-coral-dark: #e35c4d;
  --color-teal-500: #2f9e94;
  --color-plum: #6c4f77;
  --color-ink: #3a2e2c;
  --color-ink-soft: #6b5a56;
  --color-white: #ffffff;

  --gradient-hero: radial-gradient(circle at 20% 20%, #fff4de 0%, #ffe6c2 40%, #ffd7a8 100%);
  --gradient-warm: linear-gradient(135deg, var(--color-amber-300), var(--color-coral));

  --shadow-soft: 0 8px 24px rgba(150, 100, 50, 0.12);
  --shadow-card: 0 4px 14px rgba(150, 100, 50, 0.1);
  --shadow-lift: 0 14px 34px rgba(150, 100, 50, 0.18);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --font-display: 'Baloo 2', 'Noto Sans Thai', sans-serif;
  --font-body: 'Inter', 'Noto Sans Thai', system-ui, sans-serif;

  color-scheme: light;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  margin: 0;
  color: var(--color-ink);
}

p {
  margin: 0;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

a {
  color: inherit;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
}

.lang-th {
  font-family: 'Noto Sans Thai', var(--font-body);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  border: none;
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--gradient-warm);
  color: white;
  box-shadow: var(--shadow-card);
}

.btn-primary:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-ink);
  border: 2px solid var(--color-amber-100);
}

.btn-secondary:hover {
  border-color: var(--color-amber-500);
}

.btn-danger {
  background: #fff0ee;
  color: var(--color-coral-dark);
  border: 2px solid #ffd6d0;
}

.btn-danger:hover {
  background: var(--color-coral);
  color: white;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Toasts */
.toast-stack {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}

.toast {
  background: var(--color-ink);
  color: white;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift);
  font-size: 14px;
  font-weight: 600;
  animation: toast-in 0.25s ease;
  max-width: 320px;
}

.toast.success {
  background: var(--color-teal-500);
}

.toast.error {
  background: var(--color-coral-dark);
}

@keyframes toast-in {
  from {
    transform: translateX(30px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(58, 46, 44, 0.45);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  padding: 20px;
}

.modal {
  background: white;
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lift);
  animation: modal-in 0.2s ease;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-amber-50);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--color-amber-50);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--color-ink-soft);
}

/* Form elements */
.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  color: var(--color-ink-soft);
  margin-bottom: 6px;
}

.field input[type='text'],
.field input[type='number'],
.field textarea,
.field select {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-amber-50);
  background: var(--color-cream);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-ink);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-amber-500);
}

.hint {
  font-size: 12px;
  color: var(--color-ink-soft);
  margin-top: 4px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}