/* ═══════════════════════════════════════════════════════════
   ZERO LIVESHOP — Design System
   v2.0.0
   ═══════════════════════════════════════════════════════════ */

/* ── TOKENS ──────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg:      #f6f6fa;
  --bg2:     #ffffff;
  --bg3:     #ededf5;
  --bg4:     #e0e0ec;

  /* Borders */
  --border:  rgba(100,85,180,0.11);
  --border2: rgba(100,85,180,0.20);

  /* Text */
  --text:    #09090f;
  --text2:   rgba(9,9,15,0.60);
  --text3:   #6b6b80;

  /* Brand accent (overridden per tenant via JS) */
  --accent:  #7c3aed;
  --accent2: rgba(124,58,237,0.09);

  /* Semantic */
  --green:   #16a34a;
  --red:     #dc2626;
  --amber:   #d97706;

  /* Shape */
  --radius:    14px;
  --radius-sm: 8px;
}

/* ── DARK MODE (default body state) ─────────────────────── */
body.dark {
  --bg:      #09090f;
  --bg2:     #111118;
  --bg3:     #18181f;
  --bg4:     #1e1e28;
  --border:  rgba(124,58,237,0.12);
  --border2: rgba(124,58,237,0.22);
  --text:    #e8e9ee;
  --text2:   rgba(232,233,238,0.60);
  --text3:   #6b6b80;
}

/* ── RESETS ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  margin: 0;
  transition: background-color 0.3s, color 0.3s;
}

/* ── SCROLLBARS ──────────────────────────────────────────── */
::-webkit-scrollbar       { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }

/* ── RADIAL BG (login page) ─────────────────────────────── */
.radial-bg {
  background: radial-gradient(ellipse 80% 40% at 50% 0%, rgba(124,58,237,0.07) 0%, transparent 100%);
}

/* ── CARDS ───────────────────────────────────────────────── */
.z-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 1px 4px rgba(100,85,180,0.06);
}

.z-card-sm {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
}

/* ── KPI CARDS ───────────────────────────────────────────── */
.z-kpi {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
  transition: border-color 0.2s, transform 0.15s;
}
.z-kpi:hover        { border-color: var(--border2); transform: translateY(-1px); }
.z-kpi-label        { font-size: 9px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); margin-bottom: 10px; display: flex; align-items: center; justify-content: center; gap: 5px; }
.z-kpi-val          { font-size: 26px; font-weight: 300; letter-spacing: -0.03em; color: var(--text); font-family: 'DM Mono', monospace; }
.z-kpi-sub          { font-size: 9px; color: var(--text3); margin-top: 4px; }
.z-kpi-accent       { border-color: rgba(124,92,252,0.25); }
.z-kpi-accent .z-kpi-val { color: var(--accent); }

/* ── INPUTS ──────────────────────────────────────────────── */
.z-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 13px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}
.z-input:focus       { border-color: var(--accent); }
.z-input::placeholder { color: var(--text3); }

/* ── BUTTONS ─────────────────────────────────────────────── */
.z-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  font-family: 'DM Sans', sans-serif;
}
.z-btn-primary        { background: var(--accent); color: #fff; }
.z-btn-primary:hover  { opacity: 0.88; }
.z-btn-ghost          { background: transparent; color: var(--text2); border: 1px solid var(--border2); }
.z-btn-ghost:hover    { border-color: var(--accent); color: var(--accent); }
.z-btn-danger         { background: transparent; color: var(--red); border: 1px solid rgba(239,68,68,0.25); }
.z-btn-danger:hover   { background: rgba(239,68,68,0.08); }

/* ── TABLE ───────────────────────────────────────────────── */
.z-table               { width: 100%; border-collapse: collapse; }
.z-table th            { font-size: 9px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); padding: 0 10px 10px; text-align: left; }
.z-table td            { padding: 10px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text2); }
.z-table tr:hover td   { background: var(--bg3); }

/* ── SECTION TITLE ───────────────────────────────────────── */
.z-section-title { font-size: 9px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text3); margin-bottom: 14px; }

/* ── BADGE ───────────────────────────────────────────────── */
.z-badge        { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 20px; font-size: 10px; font-weight: 600; letter-spacing: 0.04em; }
.z-badge-green  { background: rgba(22,163,74,0.12);  color: var(--green); }
.z-badge-red    { background: rgba(220,38,38,0.12);  color: var(--red); }
.z-badge-amber  { background: rgba(217,119,6,0.12);  color: var(--amber); }
.z-badge-purple { background: var(--accent2);        color: var(--accent); }

/* ── ANIMATIONS ──────────────────────────────────────────── */
@keyframes z-fade-in  { from { opacity:0; transform:translateY(5px); } to { opacity:1; transform:translateY(0); } }
@keyframes z-spin     { to { transform: rotate(360deg); } }
@keyframes z-pulse    { 0%,100%{opacity:1} 50%{opacity:.4} }
@keyframes z-blink    { 0%,100%{opacity:1} 50%{opacity:.2} }
@keyframes z-slide-up { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

.z-fade-in  { animation: z-fade-in  0.3s ease both; }
.z-spin     { animation: z-spin     0.7s linear infinite; }
.z-pulse    { animation: z-pulse    2s ease-in-out infinite; }

/* ── SPINNER ─────────────────────────────────────────────── */
.z-spinner {
  width: 16px; height: 16px;
  border: 1.5px solid var(--border2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: z-spin 0.7s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

/* ── LOGO — ZERO wordmark ────────────────────────────────── */
.zero-logo-wrap    { display: flex; flex-direction: column; align-items: center; user-select: none; }
.zero-wordmark     { display: inline-flex; align-items: center; }
.zero-letters      { font-family: 'Exo 2', sans-serif; font-weight: 200; letter-spacing: 0.16em; line-height: 1; text-transform: uppercase; color: var(--text); padding-right: 0.04em; }
.zero-o-wrap       { position: relative; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.zero-ring-outer   { position: absolute; border-radius: 50%; border: 2.356px solid rgb(124,58,237); box-shadow: rgba(124,58,237,0.5) 0 0 11.718px, rgba(124,58,237,0.5) 0 0 5.208px; }
.zero-ring-inner   { position: absolute; border-radius: 50%; border: 1.767px solid rgb(124,58,237); opacity: 0.75; box-shadow: rgba(124,58,237,0.5) 0 0 9.114px; }
.zero-sub          { text-transform: uppercase; letter-spacing: 0.5em; color: var(--text3); font-weight: 600; }

@keyframes zero-breathe-outer { 0%,100%{transform:scale(0.92);opacity:0.8} 50%{transform:scale(1.07);opacity:1} }
@keyframes zero-breathe-inner { 0%,100%{transform:scale(0.88);opacity:0.55} 50%{transform:scale(1.04);opacity:0.85} }
.zero-ring-outer { animation: zero-breathe-outer 3.4s ease-in-out infinite; }
.zero-ring-inner { animation: zero-breathe-inner 3.4s ease-in-out infinite 0.15s; }

/* ── CHAT ────────────────────────────────────────────────── */
.chat-area                         { overflow-y: auto; scroll-behavior: smooth; }
.chat-area::-webkit-scrollbar      { width: 4px; }
.chat-area::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }

@keyframes msg-in { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:translateY(0); } }
.msg-bubble { animation: msg-in 0.2s ease; }

/* ── NAV SIDEBAR ─────────────────────────────────────────── */
.z-sidebar {
  width: 220px;
  background: var(--bg2);
  border-right: 1px solid var(--border2);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  position: sticky;
  top: 0;
  box-shadow: 2px 0 8px rgba(100,85,180,0.06);
}

.z-nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 400;
  color: var(--text3);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}
.z-nav-item:hover          { color: var(--text); background: var(--bg3); }
.z-nav-item.active         { color: var(--text); background: var(--accent2); font-weight: 500; }
.z-nav-item.active .z-nav-icon { color: var(--accent); }
.z-nav-icon                { width: 16px; height: 16px; flex-shrink: 0; color: var(--text3); }

/* ── SKELETON LOADER ─────────────────────────────────────── */
@keyframes shimmer { 0%{background-position:-200% 0} 100%{background-position:200% 0} }
.z-skeleton {
  background: linear-gradient(90deg, var(--bg3) 25%, var(--bg4) 50%, var(--bg3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}