:root {
  --bg: #08080F; --bg2: #0F0F1A; --bg3: #141425; --border: #1A1A2E;
  --gold: #C9A84C; --gold-l: #E8D5A0; --gold-d: #8B7333; --gold-bg: rgba(201,168,76,0.08);
  --green: #34C759; --green-d: #1B6B30; --green-bg: rgba(52,199,89,0.1);
  --red: #E8644C; --red-bg: rgba(232,100,76,0.1);
  --orange: #FF9F0A;
  --text: #E0E0E0; --dim: #888; --faint: #555; --white: #FFF;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'DM Sans', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* LAYOUT */
.app { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #0A0A14; border-right: 1px solid var(--border); padding: 20px 16px; flex-shrink: 0; position: fixed; top: 0; bottom: 0; overflow-y: auto; }
.main { flex: 1; margin-left: 240px; padding: 24px 32px; min-height: 100vh; }

/* SIDEBAR */
.sb-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.sb-logo-i { width: 32px; height: 32px; background: linear-gradient(135deg, var(--gold), var(--gold-d)); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 800; color: var(--bg); }
.sb-logo-t { font-size: 17px; font-weight: 800; color: var(--white); }
.sb-logo-t span { color: var(--gold); }
.sb-nav { list-style: none; }
.sb-item { padding: 10px 14px; border-radius: 8px; font-size: 14px; color: var(--dim); cursor: pointer; margin-bottom: 3px; display: flex; align-items: center; gap: 10px; transition: all 0.15s; }
.sb-item:hover { background: var(--gold-bg); color: var(--gold); }
.sb-item.active { background: var(--gold-bg); color: var(--gold); font-weight: 600; }
.sb-plan { margin-top: auto; padding: 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; margin-top: 24px; }
.sb-plan-label { font-size: 11px; color: var(--faint); text-transform: uppercase; letter-spacing: 0.5px; }
.sb-plan-name { font-size: 14px; font-weight: 700; color: var(--gold); }

/* TOPBAR */
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.topbar h1 { font-size: 24px; font-weight: 800; color: var(--white); letter-spacing: -0.5px; }
.topbar-right { display: flex; gap: 10px; align-items: center; }

/* BUTTONS */
.btn { padding: 9px 20px; border-radius: 8px; font-weight: 600; font-size: 13px; border: none; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; transition: all 0.2s; text-decoration: none; }
.btn-gold { background: var(--gold); color: var(--bg); }
.btn-gold:hover { background: var(--gold-l); }
.btn-ghost { background: transparent; color: var(--dim); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--dim); color: var(--white); }
.btn-danger { background: var(--red-bg); color: var(--red); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 15px; width: 100%; justify-content: center; }

/* STAT CARDS */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.stat { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.stat-val { font-family: 'JetBrains Mono', monospace; font-size: 28px; font-weight: 700; color: var(--white); line-height: 1; }
.stat-val.red { color: var(--red); }
.stat-val.green { color: var(--green); }
.stat-val.gold { color: var(--gold); }
.stat-label { font-size: 12px; color: var(--dim); margin-top: 4px; }

/* TABLE */
.table-wrap { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.table-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.table-header h3 { font-size: 15px; font-weight: 700; color: var(--white); }
.table-filters { display: flex; gap: 6px; }
.filter-btn { padding: 5px 12px; border-radius: 100px; font-size: 12px; font-weight: 600; border: 1px solid var(--border); background: transparent; color: var(--dim); cursor: pointer; transition: all 0.15s; }
.filter-btn:hover { border-color: var(--dim); color: var(--text); }
.filter-btn.active { background: var(--gold-bg); border-color: var(--gold-d); color: var(--gold); }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11px; color: var(--faint); font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; padding: 10px 16px; border-bottom: 1px solid var(--border); }
td { padding: 12px 16px; font-size: 13px; border-bottom: 1px solid #12121E; }
tr { cursor: pointer; transition: background 0.1s; }
tr:hover td { background: var(--gold-bg); }
.td-name { color: var(--white); font-weight: 600; }
.td-sub { font-size: 11px; color: var(--faint); }
.td-dim { color: var(--dim); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 100px; font-size: 10px; font-weight: 600; }
.tag-red { background: var(--red-bg); color: var(--red); }
.tag-gold { background: var(--gold-bg); color: var(--gold); }
.tag-green { background: var(--green-bg); color: var(--green); }

/* CUSTOMER DETAIL */
.detail-back { color: var(--gold); cursor: pointer; font-size: 13px; font-weight: 600; margin-bottom: 16px; display: inline-flex; align-items: center; gap: 4px; }
.detail-back:hover { text-decoration: underline; }
.detail-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.detail-name { font-size: 26px; font-weight: 800; color: var(--white); }
.detail-addr { font-size: 14px; color: var(--dim); margin-top: 2px; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.detail-field { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.df-label { font-size: 10px; color: var(--faint); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 3px; }
.df-value { font-size: 15px; color: var(--white); font-weight: 600; }

/* AI MESSAGE BOX */
.ai-box { background: var(--bg2); border: 1px solid var(--gold-d); border-radius: 12px; padding: 20px; margin-top: 20px; }
.ai-label { font-size: 11px; color: var(--gold); font-weight: 700; letter-spacing: 0.5px; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.ai-msg { font-size: 14px; color: var(--text); line-height: 1.6; min-height: 60px; }
.ai-msg.typing::after { content: '▊'; animation: blink 0.6s infinite; color: var(--gold); }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.ai-actions { display: flex; gap: 10px; margin-top: 14px; }
.sent-badge { display: flex; align-items: center; gap: 8px; color: var(--green); font-size: 13px; font-weight: 600; margin-top: 12px; }

/* FORMS */
.form-group { margin-bottom: 16px; }
.form-label { font-size: 12px; font-weight: 600; color: var(--dim); margin-bottom: 5px; display: block; }
.form-input { width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--white); font-family: inherit; font-size: 14px; transition: border-color 0.2s; }
.form-input:focus { border-color: var(--gold); outline: none; }
.form-select { width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--white); font-family: inherit; font-size: 14px; }
.form-select:focus { border-color: var(--gold); outline: none; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-textarea { width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--white); font-family: inherit; font-size: 14px; min-height: 80px; resize: vertical; }
.form-textarea:focus { border-color: var(--gold); outline: none; }

/* AUTH SCREEN */
.auth-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.auth-box { background: var(--bg2); border: 1px solid var(--border); border-radius: 16px; padding: 40px; width: 100%; max-width: 420px; }
.auth-logo { display: flex; align-items: center; gap: 10px; justify-content: center; margin-bottom: 28px; }
.auth-title { font-size: 22px; font-weight: 800; color: var(--white); text-align: center; margin-bottom: 6px; }
.auth-sub { font-size: 14px; color: var(--dim); text-align: center; margin-bottom: 24px; }
.auth-switch { text-align: center; margin-top: 16px; font-size: 13px; color: var(--dim); }
.auth-switch a { color: var(--gold); text-decoration: none; font-weight: 600; cursor: pointer; }
.auth-switch a:hover { text-decoration: underline; }
.auth-error { background: var(--red-bg); color: var(--red); padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 14px; }

/* EMPTY STATE */
.empty { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty h3 { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.empty p { font-size: 14px; color: var(--dim); margin-bottom: 20px; max-width: 360px; margin-left: auto; margin-right: auto; }

/* LOADING */
.loading { text-align: center; padding: 40px; }
.spinner { display: inline-block; width: 28px; height: 28px; border: 3px solid var(--border); border-top-color: var(--gold); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* MODAL */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 20px; }
.modal { background: var(--bg2); border: 1px solid var(--border); border-radius: 16px; padding: 32px; width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto; }
.modal h2 { font-size: 20px; font-weight: 800; color: var(--white); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 16px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}