/* ==========================================================
   BITEFLOW POS & CRM — Design Tokens & Foundation
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS Reset ─────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
h1,h2,h3,h4,h5,h6{font-family:'Outfit',sans-serif;font-weight:700;line-height:1.2}
img,svg{display:block;max-width:100%}
input,button,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}

/* ── Dark Theme (Default) ──────────────────────────────── */
:root{
  /* Backgrounds */
  --bg-primary:#09090b;
  --bg-secondary:#121214;
  --bg-tertiary:#1c1c1f;
  --bg-quaternary:#161619;
  --bg-elevated:#1e1e24;
  --bg-hover:rgba(255,255,255,0.05);
  --bg-active:rgba(249,115,22,0.08);

  /* Accent — Terracotta / Orange (warm dining) */
  --accent:#f97316;
  --accent-hover:#ea580c;
  --accent-muted:rgba(249,115,22,0.15);
  --accent-glow:0 0 20px rgba(249,115,22,0.25);

  /* Text */
  --text-primary:#f4f4f5;
  --text-secondary:#a1a1aa;
  --text-tertiary:#71717a;
  --text-inverse:#09090b;

  /* Borders */
  --border:#27272a;
  --border-light:#3f3f46;
  --border-focus:var(--accent);

  /* Status Colors */
  --success:#10b981;
  --success-bg:rgba(16,185,129,0.12);
  --warning:#f59e0b;
  --warning-bg:rgba(245,158,11,0.12);
  --danger:#ef4444;
  --danger-bg:rgba(239,68,68,0.12);
  --info:#3b82f6;
  --info-bg:rgba(59,130,246,0.12);
  --purple:#a855f7;
  --purple-bg:rgba(168,85,247,0.12);

  /* Shadows */
  --shadow-sm:0 1px 2px rgba(0,0,0,0.5);
  --shadow-md:0 4px 12px rgba(0,0,0,0.6);
  --shadow-lg:0 8px 24px rgba(0,0,0,0.7);
  --shadow-xl:0 16px 48px rgba(0,0,0,0.8);

  /* Radius */
  --radius-xs:4px;
  --radius-sm:6px;
  --radius-md:8px;
  --radius-lg:12px;
  --radius-xl:16px;
  --radius-full:9999px;

  /* Spacing */
  --space-xs:4px;
  --space-sm:8px;
  --space-md:12px;
  --space-lg:16px;
  --space-xl:24px;
  --space-2xl:32px;
  --space-3xl:48px;

  /* Sizing */
  --sidebar-width:260px;
  --sidebar-collapsed:72px;
  --topbar-height:64px;

  /* Transitions */
  --transition-fast:150ms ease;
  --transition-base:250ms ease;
  --transition-slow:400ms cubic-bezier(0.16,1,0.3,1);

  /* Z-index */
  --z-sidebar:100;
  --z-topbar:110;
  --z-dropdown:200;
  --z-modal:300;
  --z-toast:400;
  --z-tooltip:500;
}

/* ── Light Theme ───────────────────────────────────────── */
[data-theme="light"]{
  --bg-primary:#fcfbfc;
  --bg-secondary:#ffffff;
  --bg-tertiary:#f4f3f5;
  --bg-quaternary:#ecebee;
  --bg-elevated:#ffffff;
  --bg-hover:rgba(0,0,0,0.03);
  --bg-active:rgba(234,88,12,0.06);

  --accent:#ea580c;
  --accent-hover:#c2410c;
  --accent-muted:rgba(234,88,12,0.1);
  --accent-glow:0 0 20px rgba(234,88,12,0.15);

  --text-primary:#18181b;
  --text-secondary:#52525b;
  --text-tertiary:#a1a1aa;
  --text-inverse:#f4f4f5;

  --border:#e4e4e7;
  --border-light:#f4f4f5;
  --border-focus:var(--accent);

  --success:#059669;
  --success-bg:rgba(5,150,105,0.08);
  --warning:#d97706;
  --warning-bg:rgba(217,119,6,0.08);
  --danger:#dc2626;
  --danger-bg:rgba(220,38,38,0.08);
  --info:#2563eb;
  --info-bg:rgba(37,99,235,0.08);
  --purple:#9333ea;
  --purple-bg:rgba(147,51,234,0.08);

  --shadow-sm:0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:0 8px 24px rgba(0,0,0,0.1);
  --shadow-xl:0 16px 48px rgba(0,0,0,0.12);
}

/* ── Night Theme (AMOLED Black) ────────────────────────── */
[data-theme="night"]{
  --bg-primary:#000000;
  --bg-secondary:#050505;
  --bg-tertiary:#0e0e10;
  --bg-quaternary:#08080a;
  --bg-elevated:#121214;
  --bg-hover:rgba(255,255,255,0.04);
  --bg-active:rgba(255,255,255,0.06);

  --text-primary:#ffffff;
  --text-secondary:#a1a1aa;
  --text-tertiary:#52525b;
  --text-inverse:#000000;

  --border:#1a1a1e;
  --border-light:#27272a;
  --border-focus:var(--accent);

  --success:#10b981;
  --success-bg:rgba(16,185,129,0.12);
  --warning:#f59e0b;
  --warning-bg:rgba(245,158,11,0.12);
  --danger:#ef4444;
  --danger-bg:rgba(239,68,68,0.12);
  --info:#3b82f6;
  --info-bg:rgba(59,130,246,0.12);
  --purple:#a855f7;
  --purple-bg:rgba(168,85,247,0.12);

  --shadow-sm:0 1px 2px rgba(0,0,0,0.8);
  --shadow-md:0 4px 12px rgba(0,0,0,0.9);
  --shadow-lg:0 8px 24px rgba(0,0,0,0.95);
  --shadow-xl:0 16px 48px rgba(0,0,0,1);
}

/* ── Body ──────────────────────────────────────────────── */
body{
  background:var(--bg-primary);
  color:var(--text-primary);
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}
::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}

/* ── Selection ─────────────────────────────────────────── */
::selection{background:var(--accent-muted);color:var(--accent)}

/* ── Focus Ring ────────────────────────────────────────── */
:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}

/* ── Animations ────────────────────────────────────────── */
@keyframes fadeIn{
  from{opacity:0}to{opacity:1}
}
@keyframes fadeInUp{
  from{opacity:0;transform:translateY(16px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes fadeInDown{
  from{opacity:0;transform:translateY(-16px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes slideInRight{
  from{opacity:0;transform:translateX(24px)}
  to{opacity:1;transform:translateX(0)}
}
@keyframes slideInLeft{
  from{opacity:0;transform:translateX(-24px)}
  to{opacity:1;transform:translateX(0)}
}
@keyframes scaleIn{
  from{opacity:0;transform:scale(0.95)}
  to{opacity:1;transform:scale(1)}
}
@keyframes pulse{
  0%,100%{opacity:1}50%{opacity:.5}
}
@keyframes spin{
  from{transform:rotate(0deg)}to{transform:rotate(360deg)}
}

/* ── Utility Classes ───────────────────────────────────── */
.hidden{display:none!important}
.flex{display:flex}
.flex-col{flex-direction:column}
.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}
.items-start{align-items:flex-start}
.items-end{align-items:flex-end}
.justify-center{justify-content:center}
.justify-between{justify-content:space-between}
.justify-end{justify-content:flex-end}
.flex-1{flex:1}
.flex-shrink-0{flex-shrink:0}
.grid{display:grid}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-xl)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl)}
.inline-flex{display:inline-flex}

.gap-xs{gap:var(--space-xs)}
.gap-sm{gap:var(--space-sm)}
.gap-md{gap:var(--space-md)}
.gap-lg{gap:var(--space-lg)}
.gap-xl{gap:var(--space-xl)}
.gap-2xl{gap:var(--space-2xl)}

.p-sm{padding:var(--space-sm)}
.p-md{padding:var(--space-md)}
.p-lg{padding:var(--space-lg)}
.p-xl{padding:var(--space-xl)}
.p-2xl{padding:var(--space-2xl)}

.px-lg{padding-left:var(--space-lg);padding-right:var(--space-lg)}
.py-lg{padding-top:var(--space-lg);padding-bottom:var(--space-lg)}
.px-xl{padding-left:var(--space-xl);padding-right:var(--space-xl)}
.py-xl{padding-top:var(--space-xl);padding-bottom:var(--space-xl)}

.mt-sm{margin-top:var(--space-sm)}
.mt-md{margin-top:var(--space-md)}
.mt-lg{margin-top:var(--space-lg)}
.mt-xl{margin-top:var(--space-xl)}
.mb-sm{margin-bottom:var(--space-sm)}
.mb-md{margin-bottom:var(--space-md)}
.mb-lg{margin-bottom:var(--space-lg)}
.mb-xl{margin-bottom:var(--space-xl)}

.text-xs{font-size:0.75rem}
.text-sm{font-size:0.8125rem}
.text-base{font-size:0.875rem}
.text-md{font-size:1rem}
.text-lg{font-size:1.125rem}
.text-xl{font-size:1.25rem}
.text-2xl{font-size:1.5rem}
.text-3xl{font-size:1.875rem}
.text-4xl{font-size:2.25rem}

.font-light{font-weight:300}
.font-normal{font-weight:400}
.font-medium{font-weight:500}
.font-semibold{font-weight:600}
.font-bold{font-weight:700}
.font-black{font-weight:900}

.text-primary{color:var(--text-primary)}
.text-secondary{color:var(--text-secondary)}
.text-tertiary{color:var(--text-tertiary)}
.text-accent{color:var(--accent)}
.text-success{color:var(--success)}
.text-warning{color:var(--warning)}
.text-danger{color:var(--danger)}
.text-info{color:var(--info)}

.text-center{text-align:center}
.text-right{text-align:right}
.text-left{text-align:left}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uppercase{text-transform:uppercase}
.capitalize{text-transform:capitalize}
.tracking-wide{letter-spacing:0.05em}

.w-full{width:100%}
.h-full{height:100%}
.min-h-screen{min-height:100vh}
.overflow-auto{overflow:auto}
.overflow-hidden{overflow:hidden}
.relative{position:relative}
.absolute{position:absolute}
.sticky{position:sticky}

.rounded-sm{border-radius:var(--radius-sm)}
.rounded-md{border-radius:var(--radius-md)}
.rounded-lg{border-radius:var(--radius-lg)}
.rounded-xl{border-radius:var(--radius-xl)}
.rounded-full{border-radius:var(--radius-full)}

.border{border:1px solid var(--border)}
.border-b{border-bottom:1px solid var(--border)}
.border-t{border-top:1px solid var(--border)}

.cursor-pointer{cursor:pointer}
.select-none{user-select:none}
.pointer-events-none{pointer-events:none}
.opacity-50{opacity:.5}
.opacity-70{opacity:.7}

.animate-fadeIn{animation:fadeIn var(--transition-base) forwards}
.animate-fadeInUp{animation:fadeInUp var(--transition-slow) forwards}
.animate-scaleIn{animation:scaleIn var(--transition-slow) forwards}
.animate-slideInRight{animation:slideInRight var(--transition-slow) forwards}
.animate-pulse{animation:pulse 2s infinite}
.animate-spin{animation:spin 1s linear infinite}

.divider{height:1px;background:var(--border);width:100%}