/* ============================================
   AL HUSSEIN SHOP v2 — MAIN STYLES
   Mobile-first, Clean, Modular
   ============================================ */

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --color-primary:     #c8a96e;   /* warm gold */
  --color-primary-dark:#a8885a;
  --color-bg:          #faf8f5;   /* warm white */
  --color-surface:     #ffffff;
  --color-text:        #2c2c2c;
  --color-text-muted:  #888888;
  --color-border:      #ede8e0;
  --color-success:     #4caf6e;
  --color-danger:      #e05c5c;
  --color-overlay:     rgba(0,0,0,0.55);

  /* Typography */
  --font-arabic:  'Cairo', 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl:2rem;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl:48px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.14);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-mid:  300ms ease;
  --transition-slow: 500ms ease;

  /* Bottom nav height (for page padding) */
  --bottom-nav-h: 64px;
}

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

body {
  font-family: var(--font-arabic);
  background-color: var(--color-bg);
  color: var(--color-text);
  direction: rtl;
  min-height: 100dvh;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ── Utility Classes ── */
.hidden   { display: none !important; }
.visible  { display: block !important; }
.flex     { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm   { gap: var(--space-sm); }
.gap-md   { gap: var(--space-md); }
.text-center { text-align: center; }
.w-full   { width: 100%; }

/* ── Screen System ── */
/* Each major view is a "screen" that fills the viewport */
.screen {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  transition: opacity var(--transition-mid), transform var(--transition-mid);
}

.screen.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
}

.screen.is-visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

/* ── Page Content Wrapper ── */
.page-content {
  padding-bottom: calc(var(--bottom-nav-h) + var(--space-md));
  min-height: 100dvh;
}

/* ── Primary Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-md);
  font-weight: 600;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  user-select: none;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(200,169,110,0.40);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 18px rgba(200,169,110,0.50);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-ghost:hover {
  background: rgba(200,169,110,0.08);
}

/* ── Card Base ── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── Toast Notification ── */
#toast-container {
  position: fixed;
  bottom: calc(var(--bottom-nav-h) + var(--space-md));
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  pointer-events: none;
}

.toast {
  background: var(--color-text);
  color: #fff;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.3s ease forwards;
  pointer-events: none;
}

.toast.toast-success { background: var(--color-success); }
.toast.toast-error   { background: var(--color-danger); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

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