/*!
 * ZippyMeals — base.css (Fresh White & Green Edition)
 * ---------------------
 * Project: ZippyMeals (UI Foundation / Design Tokens / Base Components)
 * Version: 1.1.0
 * Build  : 2025-11-06
 * Theme  : Fresh White & Emerald Green
 * * Description:
 * Updated for a clean, light-mode first experience with high-contrast
 * green accents suitable for food and delivery services.
 */

:root {
  /* --- Color Scale (Light Theme Base) --- */
  --color-bg: #ffffff;             /* Pure white background */
  --color-bg-2: #f8fafc;           /* Subtle off-white for sections */
  --color-surface: #ffffff;        /* Card background */
  --color-panel: #f1f5f9;          /* Slightly darker surface */
  --color-glass: rgba(255, 255, 255, 0.7);

  /* Accents - The "Green" Identity */
  --color-accent: #10b981;         /* Primary Green (Emerald 500) */
  --color-accent-hover: #059669;   /* Darker Green (Emerald 600) */
  --color-accent-2: #fbbf24;       /* Warm Secondary (Amber) */
  --color-accent-3: #3b82f6;       /* Cool Accent (Blue) */

  /* Semantic */
  --color-success: #059669;
  --color-info: #0ea5e9;
  --color-warn: #d97706;
  --color-danger: #dc2626;

  /* Text - High Contrast for Readability */
  --color-text: #0f172a;           /* Deep Slate (almost black) */
  --color-muted: #64748b;          /* Soft Blue-Gray */
  --color-faint: #e2e8f0;          /* Very light borders/dividers */

  /* Borders & Dividers */
  --color-border: #e2e8f0;
  --color-divider: #f1f5f9;

  /* Elevation / Shadows - Softened for Light Mode */
  --shadow-1: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-2: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
  --shadow-3: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.02);

  /* Spacing & Radii (Inherited from original) */
  --space-xs: 6px;
  --space-sm: 10px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 36px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Poppins", var(--font-sans);
  --type-base: 16px;
  --type-xs: 12px;
  --type-sm: 14px;
  --type-md: 16px;
  --type-lg: 20px;
  --type-xl: 32px;

  /* Transitions */
  --ease-slow: cubic-bezier(.2,.9,.2,1);
  --transition-fast: 150ms;
  --transition-default: 220ms;

  /* Buttons updated for Green theme */
  --btn-radius: var(--radius-md);
  --btn-padding-y: 12px;
  --btn-padding-x: 20px;
  --btn-min-height: 48px;

  --btn-solid-bg: var(--color-accent);
  --btn-solid-color: #ffffff;
  --btn-solid-border: transparent;

  --btn-outline-bg: transparent;
  --btn-outline-color: var(--color-accent);
  --btn-outline-border: var(--color-accent);

  /* Toasts */
  --toast-width: 360px;
  --toast-bg: #ffffff;
  --toast-border: var(--color-border);

  /* Accessibility */
  --focus-ring: 3px;
  --focus-color: rgba(16, 185, 129, 0.3);
}

/* =========================
   RESET / BASE
   ========================= */
*, *::before, *::after { box-sizing: border-box; }

html { font-size: var(--type-base); -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img, picture, video { max-width: 100%; height: auto; display: block; }

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

/* Structural Helpers */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-md); }
.row { display: flex; gap: var(--space-md); align-items: center; }
.col { display: flex; flex-direction: column; gap: var(--space-sm); }

/* Cards & Surfaces - Light & Airy */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: var(--space-lg);
  transition: transform var(--transition-default), box-shadow var(--transition-default);
}
.card:hover { box-shadow: var(--shadow-2); }

.panel {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

/* Text Utilities */
.h1 { font-family: var(--font-display); font-size: var(--type-xl); font-weight: 800; color: var(--color-text); line-height: 1.2; }
.h2 { font-family: var(--font-display); font-size: var(--type-lg); font-weight: 700; }
.muted { color: var(--color-muted); font-size: var(--type-sm); }

.pill {
  display: inline-block;
  padding: 4px 12px;
  background: #ecfdf5; /* Very light green */
  border: 1px solid #d1fae5;
  border-radius: var(--radius-pill);
  color: var(--color-accent-hover);
  font-weight: 600;
  font-size: 12px;
}

/* =========================
   BUTTONS (Fresh Green Style)
   ========================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: var(--btn-padding-y) var(--btn-padding-x);
  min-height: var(--btn-min-height);
  border-radius: var(--btn-radius);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-default) var(--ease-slow);
  user-select: none;
  background: var(--btn-solid-bg);
  color: var(--btn-solid-color);
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.25);
}

.btn:hover {
  transform: translateY(-2px);
  background: var(--color-accent-hover);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn:active { transform: translateY(0); }

/* Size modifiers */
.btn--sm { padding: 6px 12px; min-height: 38px; font-size: 14px; }
.btn--lg { padding: 16px 28px; min-height: 56px; font-size: 18px; }

/* Variant: Outline */
.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  box-shadow: none;
}
.btn--outline:hover {
  background: #ecfdf5;
  color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

/* Variant: Danger */
.btn--danger {
  background: var(--color-danger);
  color: #fff;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.2);
}

/* Variant: Accent (Yellow) */
.btn--accent {
  background: var(--color-accent-2);
  color: #78350f;
  box-shadow: 0 4px 14px rgba(251, 191, 36, 0.2);
}

/* =========================
   TOASTS (Clean White)
   ========================= */
.toasts {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

.toast {
  width: var(--toast-width);
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3);
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast__icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

/* Toast types */
.toast--success .toast__icon { background: #d1fae5; color: #065f46; }
.toast--error .toast__icon { background: #fee2e2; color: #991b1b; }

/* =========================
   INPUTS
   ========================= */
.input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 var(--focus-ring) var(--focus-color);
}

.hr { height: 1px; background: var(--color-divider); margin: var(--space-md) 0; }

@media (max-width: 768px) {
  :root { --type-xl: 26px; }
  .row { flex-direction: column; align-items: flex-start; }
}