@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --gold: #c9973a;
  --gold-light: #e8b84b;
  --gold-dark: #a07828;
  --gold-pale: #f5e9cc;
  --black: #0d0d0d;
  --surface: #161616;
  --surface2: #1f1f1f;
  --surface3: #272727;
  --border: rgba(201,151,58,0.15);
  --border2: rgba(201,151,58,0.3);
  --text: #f0ece4;
  --text2: #b8a98a;
  --muted: #7a6e5f;
  --dim: #4a4238;
  --green: #4caf82;
  --red: #e05c5c;
  --blue: #5b9bd5;
  --orange: #e8903a;
  --radius: 12px;
  --font: 'DM Sans', sans-serif;
  --serif: 'Cormorant Garamond', serif;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html,body{background:var(--black);color:var(--text);font-family:var(--font);min-height:100vh;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;}
::-webkit-scrollbar{width:3px;}::-webkit-scrollbar-thumb{background:var(--dim);border-radius:2px;}

/* AUTH */
.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at 50% 0%,rgba(201,151,58,0.08) 0%,transparent 70%),var(--black);}
.auth-logo{text-align:center;margin-bottom:32px;}
.auth-logo img{width:160px;}
.auth-logo h1{font-family:var(--serif);font-size:26px;font-weight:600;color:var(--gold-light);margin-top:8px;}
.auth-logo p{font-size:11px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-top:2px;}
.auth-card{background:var(--surface);border:1px solid var(--border2);border-radius:20px;padding:28px 24px;width:100%;max-width:400px;}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:var(--surface2);border-radius:10px;padding:4px;margin-bottom:22px;}
.auth-tab{padding:10px;text-align:center;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer;border-radius:7px;border:none;background:transparent;font-family:var(--font);transition:all 0.15s;}
.auth-tab.active{background:var(--gold);color:#1a1000;font-weight:600;}

/* FORMS */
.form-group{margin-bottom:14px;}
.form-label{display:block;font-size:11px;color:var(--text2);text-transform:uppercase;letter-spacing:0.8px;margin-bottom:5px;font-weight:500;}
.form-input,.form-select,.form-textarea{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:11px 13px;color:var(--text);font-size:15px;font-family:var(--font);outline:none;transition:border-color 0.15s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--gold);}
.form-input::placeholder,.form-textarea::placeholder{color:var(--dim);}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a6e5f' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;}
.form-textarea{resize:vertical;min-height:70px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.form-row-3{display:grid;grid-template-columns:2fr 1fr 1fr;gap:8px;}

/* BUTTONS */
.btn-primary{width:100%;background:var(--gold);color:#1a1000;border:none;border-radius:10px;padding:13px;font-size:15px;font-weight:600;font-family:var(--font);cursor:pointer;transition:all 0.15s;}
.btn-primary:hover{background:var(--gold-light);}
.btn-primary:active{transform:scale(0.98);}
.btn-primary:disabled{opacity:0.5;cursor:not-allowed;}
.btn-secondary{background:var(--surface2);color:var(--text2);border:1px solid var(--border);border-radius:10px;padding:11px 15px;font-size:14px;font-weight:500;font-family:var(--font);cursor:pointer;transition:all 0.15s;}
.btn-secondary:hover{border-color:var(--border2);color:var(--text);}
.btn-danger{background:rgba(224,92,92,0.1);color:var(--red);border:1px solid rgba(224,92,92,0.2);}
.btn-icon{background:transparent;border:1px solid var(--border);border-radius:8px;padding:8px;cursor:pointer;color:var(--text2);display:flex;align-items:center;justify-content:center;transition:all 0.15s;}
.btn-icon:hover{border-color:var(--border2);color:var(--text);}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:8px;}
.btn-gold-outline{background:transparent;border:1px solid var(--border2);color:var(--gold);border-radius:10px;padding:9px 16px;font-size:13px;font-weight:500;font-family:var(--font);cursor:pointer;transition:all 0.15s;white-space:nowrap;}
.btn-gold-outline:hover{background:rgba(201,151,58,0.08);}
.btn-block{display:block;width:100%;}

/* HEADER */
.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 16px;position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;}
.header-logo{display:flex;align-items:center;gap:8px;}
.header-logo img{height:28px;}
.header-logo span{font-family:var(--serif);font-size:17px;color:var(--gold-light);font-weight:600;}
.header-actions{display:flex;gap:6px;align-items:center;}

/* BOTTOM NAV */
.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr);padding:6px 0 20px;z-index:100;}
.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:5px 2px;cursor:pointer;color:var(--muted);font-size:9px;font-weight:500;letter-spacing:0.2px;border:none;background:transparent;font-family:var(--font);transition:color 0.15s;}
.nav-item.active{color:var(--gold);}
.nav-item svg{width:20px;height:20px;}

/* PAGES */
.page{display:none;padding-bottom:88px;}
.page.active{display:block;}
.page-header{padding:16px 16px 10px;display:flex;align-items:center;justify-content:space-between;}
.page-title{font-family:var(--serif);font-size:26px;font-weight:600;}
.page-subtitle{font-size:11px;color:var(--muted);margin-top:1px;}

/* STATS */
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 16px 14px;}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;}
.stat-label{font-size:10px;text-transform:uppercase;letter-spacing:0.8px;color:var(--muted);margin-bottom:5px;font-weight:500;}
.stat-value{font-size:17px;font-weight:600;}
.stat-value.gold{color:var(--gold-light);}
.stat-value.red{color:var(--red);}
.stat-value.green{color:var(--green);}
.stat-value.blue{color:var(--blue);}
.stat-value.orange{color:var(--orange);}

/* TABS */
.tab-bar{display:flex;gap:0;padding:0 16px 10px;overflow-x:auto;}
.tab-bar::-webkit-scrollbar{display:none;}
.tab-pill{padding:7px 16px;border-radius:20px;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;border:1px solid transparent;transition:all 0.15s;white-space:nowrap;}
.tab-pill.active{background:rgba(201,151,58,0.12);color:var(--gold);border-color:var(--border2);}

/* SEARCH */
.search-bar{padding:0 16px 10px;position:relative;}
.search-bar input{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 13px 10px 38px;color:var(--text);font-size:14px;font-family:var(--font);outline:none;}
.search-bar input:focus{border-color:var(--gold);}
.search-bar input::placeholder{color:var(--dim);}
.search-icon{position:absolute;left:30px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none;}

/* LIST CARDS */
.list-container{padding:0 16px;}
.invoice-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-bottom:8px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;transition:border-color 0.15s;}
.invoice-card:active{transform:scale(0.99);}
.invoice-card.unpaid{border-left:3px solid var(--red);}
.invoice-card.partial{border-left:3px solid var(--gold);}
.invoice-card.paid{border-left:3px solid var(--green);}
.invoice-card-left{flex:1;min-width:0;}
.invoice-client{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px;}
.invoice-meta{font-size:11px;color:var(--muted);}
.invoice-card-right{text-align:right;flex-shrink:0;}
.invoice-amount{font-size:14px;font-weight:600;}
.invoice-remaining{font-size:11px;color:var(--gold);margin-top:1px;}

.status-badge{display:inline-block;font-size:10px;padding:2px 7px;border-radius:20px;font-weight:600;letter-spacing:0.3px;text-transform:uppercase;}
.status-badge.paid{background:#1a3a28;color:var(--green);}
.status-badge.unpaid{background:#2a1a1a;color:var(--red);}
.status-badge.partial{background:#2a2000;color:var(--gold);}

.client-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-bottom:8px;cursor:pointer;display:flex;align-items:center;gap:12px;}
.client-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--gold-dark),var(--gold));display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;color:#1a1000;font-family:var(--serif);flex-shrink:0;}
.client-name{font-size:14px;font-weight:600;margin-bottom:2px;}
.client-meta{font-size:11px;color:var(--muted);}

.product-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-bottom:8px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;}
.product-name{font-size:14px;font-weight:600;margin-bottom:2px;}
.product-meta{font-size:11px;color:var(--muted);}

/* STOCK INDICATORS */
.stock-bar-wrap{margin-top:6px;}
.stock-bar-bg{background:var(--surface3);border-radius:3px;height:4px;overflow:hidden;}
.stock-bar-fill{height:100%;border-radius:3px;transition:width 0.3s;}
.stock-bar-fill.good{background:var(--green);}
.stock-bar-fill.low{background:var(--orange);}
.stock-bar-fill.empty{background:var(--red);}
.stock-numbers{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:3px;font-family:monospace;}

/* MODALS */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,0.72);z-index:200;display:none;align-items:flex-end;}
.overlay.open{display:flex;}
.overlay.center{align-items:center;justify-content:center;padding:16px;}
.drawer{background:var(--surface);border-radius:20px 20px 0 0;width:100%;max-height:94vh;overflow-y:auto;animation:slideUp 0.2s ease;padding-bottom:40px;}
.modal-box{background:var(--surface);border-radius:16px;width:100%;max-height:88vh;overflow-y:auto;animation:fadeIn 0.18s ease;padding-bottom:20px;}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0;transform:scale(0.95)}to{opacity:1;transform:scale(1)}}
.drawer-handle{width:36px;height:4px;background:var(--dim);border-radius:2px;margin:10px auto 0;}
.drawer-header{padding:14px 16px 12px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);}
.drawer-title{font-family:var(--serif);font-size:19px;font-weight:600;}
.drawer-close{background:var(--surface2);border:1px solid var(--border);color:var(--muted);border-radius:8px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:15px;}
.drawer-body{padding:16px;}

/* INVOICE ITEM ROWS */
.item-row{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:10px;margin-bottom:8px;}
.item-row-top{display:flex;gap:8px;margin-bottom:8px;align-items:flex-start;}
.item-desc-wrap{flex:1;}
.item-remove{color:var(--red);background:transparent;border:none;cursor:pointer;font-size:18px;padding:2px 4px;opacity:0.7;flex-shrink:0;margin-top:2px;}
.item-remove:hover{opacity:1;}
.item-numbers{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;align-items:end;}
.item-total-line{text-align:right;font-size:12px;color:var(--gold);font-weight:600;margin-top:5px;}
.mini-label{font-size:10px;color:var(--muted);margin-bottom:3px;text-transform:uppercase;letter-spacing:0.5px;}

/* INVOICE TOTAL BOX */
.inv-total-bar{background:var(--surface2);border:1px solid var(--border2);border-radius:10px;padding:12px 14px;margin:10px 0;display:flex;justify-content:space-between;align-items:center;}
.total-label{font-size:13px;color:var(--text2);}
.total-val{font-size:20px;font-weight:700;color:var(--gold-light);}

/* PAYMENT ROWS */
.payment-row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--border);}
.payment-row:last-child{border-bottom:none;}
.pay-mode-badge{font-size:10px;padding:2px 8px;border-radius:20px;font-weight:600;}
.pay-mode-badge.cash{background:#2a2000;color:var(--gold);}
.pay-mode-badge.jazzcash{background:#1d1040;color:#9b7fe8;}
.pay-mode-badge.easypaisa{background:#0f2a18;color:var(--green);}
.pay-mode-badge.bank{background:#0f1e2a;color:var(--blue);}

/* LEDGER ROWS */
.ledger-row{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:11px 13px;margin-bottom:7px;display:flex;justify-content:space-between;align-items:center;gap:10px;}
.ledger-row.in{border-left:3px solid var(--green);}
.ledger-row.out{border-left:3px solid var(--red);}

/* INVOICE PRINT TEMPLATE */
#invoice-render-area{position:fixed;left:-9999px;top:0;width:794px;background:#fff;font-family:'DM Sans',sans-serif;padding:0;}
.inv-print{width:794px;min-height:500px;background:#fff;color:#1a1000;}
.inv-print-head{background:#111;padding:24px 32px;display:flex;justify-content:space-between;align-items:center;}
.inv-print-brand{display:flex;align-items:center;gap:14px;}
.inv-print-brand img{height:50px;}
.inv-print-brand-name{font-family:'Cormorant Garamond',serif;font-size:20px;color:#e8b84b;font-weight:600;}
.inv-print-brand-sub{font-size:11px;color:#888;line-height:1.4;}
.inv-print-invno{text-align:right;}
.inv-print-invno-label{font-family:'Cormorant Garamond',serif;font-size:24px;color:#c9973a;font-weight:700;letter-spacing:1px;}
.inv-print-invno-val{font-size:13px;color:#aaa;margin-top:2px;}
.inv-print-body{padding:24px 32px;}
.inv-print-parties{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:20px;}
.inv-party-lbl{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:#999;margin-bottom:5px;}
.inv-party-name{font-size:15px;font-weight:700;color:#1a1000;margin-bottom:2px;}
.inv-party-detail{font-size:12px;color:#666;line-height:1.5;}
.inv-table{width:100%;border-collapse:collapse;margin-bottom:14px;}
.inv-table th{background:#c9973a;color:#1a1000;padding:8px 10px;font-size:12px;font-weight:600;text-align:left;}
.inv-table th:nth-child(2),.inv-table td:nth-child(2){text-align:center;}
.inv-table th:nth-child(3),.inv-table td:nth-child(3),.inv-table th:nth-child(4),.inv-table td:nth-child(4){text-align:right;}
.inv-table td{padding:8px 10px;font-size:13px;border-bottom:1px solid #e8e0d0;color:#1a1000;}
.inv-totals-wrap{display:flex;justify-content:flex-end;margin-bottom:14px;}
.inv-totals-box{min-width:180px;}
.inv-totals-row{display:flex;justify-content:space-between;padding:4px 0;font-size:13px;color:#444;}
.inv-totals-row.grand{border-top:2px solid #c9973a;margin-top:4px;padding-top:8px;font-weight:700;font-size:15px;color:#1a1000;}
.inv-payments-section{margin-bottom:14px;}
.inv-payments-title{font-size:11px;text-transform:uppercase;letter-spacing:0.8px;color:#999;margin-bottom:6px;font-weight:600;}
.inv-payment-row{display:flex;justify-content:space-between;font-size:12px;color:#444;padding:3px 0;border-bottom:1px solid #f0e8d8;}
.inv-balance-box{background:#fff3e0;border-radius:8px;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.inv-balance-label{font-size:12px;color:#888;}
.inv-balance-val{font-size:16px;font-weight:700;color:#a07828;}
.inv-balance-val.cleared{color:#2e7d52;}
.inv-print-foot{background:#111;padding:10px 32px;font-size:11px;color:#666;display:flex;justify-content:space-between;}

/* TOAST */
.toast{position:fixed;bottom:88px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--surface2);border:1px solid var(--border2);color:var(--text);padding:11px 18px;border-radius:20px;font-size:13px;font-weight:500;z-index:999;opacity:0;pointer-events:none;transition:all 0.25s;white-space:nowrap;max-width:90vw;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.toast.success{border-color:rgba(76,175,130,0.4);color:var(--green);}
.toast.error{border-color:rgba(224,92,92,0.4);color:var(--red);}

/* LOADING */
.loading-screen{position:fixed;inset:0;background:var(--black);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:999;}
.loading-screen img{width:110px;margin-bottom:20px;}
.spinner{width:26px;height:26px;border:2px solid var(--dim);border-top-color:var(--gold);border-radius:50%;animation:spin 0.8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}

.divider{border:none;border-top:1px solid var(--border);margin:12px 0;}
.section-label{font-size:10px;text-transform:uppercase;letter-spacing:0.8px;color:var(--muted);padding:4px 16px 6px;font-weight:500;}
.flex-between{display:flex;justify-content:space-between;align-items:center;}
.gap-8{gap:8px;}
.mt-8{margin-top:8px;}
.mt-12{margin-top:12px;}
.text-gold{color:var(--gold-light);}
.text-red{color:var(--red);}
.text-green{color:var(--green);}
.text-muted{color:var(--muted);}
.fw-600{font-weight:600;}
.serif{font-family:var(--serif);}

/* CLIENT INLINE ADD */
.client-inline-toggle{display:flex;gap:6px;margin-bottom:12px;}
.client-inline-toggle button{flex:1;padding:9px;border-radius:8px;border:1px solid var(--border);background:var(--surface2);color:var(--muted);font-size:13px;cursor:pointer;font-family:var(--font);transition:all 0.15s;}
.client-inline-toggle button.active{background:rgba(201,151,58,0.12);border-color:var(--border2);color:var(--gold);}
.new-client-fields{background:rgba(201,151,58,0.05);border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:12px;}

/* FAB */
.fab{position:fixed;bottom:76px;right:16px;z-index:50;background:var(--gold);color:#1a1000;border:none;border-radius:50px;padding:12px 20px;font-size:14px;font-weight:600;font-family:var(--font);box-shadow:0 4px 20px rgba(201,151,58,0.35);cursor:pointer;white-space:nowrap;}
.fab:active{transform:scale(0.97);}

/* EMPTY STATE */
.empty-state{text-align:center;padding:50px 20px 30px;}
.empty-icon{font-size:44px;margin-bottom:10px;opacity:0.3;}
.empty-text{color:var(--muted);font-size:13px;margin-bottom:16px;}