/* ============================================================
   BASE STYLES — El Eden PWA
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-light); }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

p { margin-bottom: 0; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  outline: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  -webkit-tap-highlight-color: transparent;
}

/* ── Utility classes ── */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-primary   { color: var(--color-primary); }
.text-accent    { color: var(--color-accent); }
.text-muted     { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-danger    { color: var(--color-danger); }
.text-success   { color: var(--color-success); }

.fw-medium   { font-weight: var(--font-weight-medium); }
.fw-semibold { font-weight: var(--font-weight-semibold); }
.fw-bold     { font-weight: var(--font-weight-bold); }

.fs-sm   { font-size: var(--font-size-sm); }
.fs-base { font-size: var(--font-size-base); }
.fs-lg   { font-size: var(--font-size-lg); }

.mt-auto { margin-top: auto; }
.mb-4    { margin-bottom: var(--space-4); }
.mt-4    { margin-top: var(--space-4); }
.mt-6    { margin-top: var(--space-6); }

.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center{ align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.w-full { width: 100%; }

.hidden { display: none !important; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: var(--radius-full); }

/* ── View transitions ── */
.view {
  display: none;
  min-height: 100dvh;
  animation: fadeIn var(--transition-base);
}
.view.active { display: flex; flex-direction: column; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* ── Spinner ── */
.spinner {
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255,255,255,.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
.spinner.dark {
  border-color: rgba(232,101,10,.2);
  border-top-color: var(--color-primary);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast notifications ── */
#toast-container {
  position: fixed;
  bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: min(calc(100% - var(--space-8)), var(--max-width));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: white;
  animation: slideUp var(--transition-base) forwards;
  pointer-events: all;
}
.toast.success { background: var(--color-success); }
.toast.error   { background: var(--color-danger); }
.toast.info    { background: var(--color-info); }
.toast.warning { background: var(--color-warning); }
.toast.hiding  { animation: fadeOut var(--transition-base) forwards; }

@keyframes fadeOut {
  to { opacity: 0; transform: translateY(8px); }
}

/* ── Modal overlay ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: 100%;
  max-width: var(--max-width);
  max-height: 90dvh;
  overflow-y: auto;
  padding: var(--space-6) var(--space-6) calc(var(--space-6) + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}
.modal-overlay.open .modal { transform: translateY(0); }

/* ── Divider ── */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}