*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --black:#0a0a0a;--white:#fafafa;
  --g100:#f4f4f4;--g200:#e8e8e8;--g300:#d0d0d0;--g400:#a8a8a8;
  --g500:#6e6e6e;--g600:#444;--g700:#2a2a2a;
  --sw:230px;--th:60px;
  --ease:cubic-bezier(.4,0,.2,1);--spring:cubic-bezier(.34,1.56,.64,1);
  --danger:#c0392b;--danger-light:#fdf0ef;
}
html,body{height:100%;overflow:hidden;}
body{font-family:'DM Sans',sans-serif;background:var(--g100);color:var(--black);}

/* ═══ SIDEBAR ═══ */
.sidebar{position:fixed;top:0;left:0;width:var(--sw);height:100vh;background:var(--black);display:flex;flex-direction:column;z-index:200;transition:transform .35s var(--ease);}
.sidebar::after{content:'';position:absolute;top:0;right:0;width:1px;height:100%;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.07),transparent);}

.brand{padding:24px 20px 16px;border-bottom:1px solid rgba(255,255,255,.06);}
.brand-name{font-family:'Playfair Display',serif;font-size:18px;font-weight:600;color:var(--white);letter-spacing:.02em;}
.brand-row{display:flex;align-items:center;gap:8px;margin-top:4px;}
.brand-sub{font-size:8px;font-weight:500;letter-spacing:.2em;color:var(--g500);text-transform:uppercase;}
.admin-badge{background:var(--white);color:var(--black);font-size:8px;font-weight:700;letter-spacing:.12em;padding:2px 7px;border-radius:3px;text-transform:uppercase;}

.nav-group{padding:14px 0 4px;}
.nav-group-label{font-size:8px;font-weight:700;letter-spacing:.22em;color:var(--g700);text-transform:uppercase;padding:0 20px 6px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;font-size:12.5px;font-weight:400;color:var(--g400);cursor:pointer;position:relative;transition:color .2s var(--ease);user-select:none;overflow:hidden;}
.nav-item::before{content:'';position:absolute;left:0;top:0;width:0;height:100%;background:rgba(255,255,255,.04);transition:width .3s var(--ease);}
.nav-item::after{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);width:2px;height:55%;background:var(--white);transition:transform .3s var(--spring);border-radius:0 2px 2px 0;}
.nav-item:hover{color:var(--g200);}
.nav-item:hover::before{width:100%;}
.nav-item.active{color:var(--white);background:rgba(255,255,255,.07);font-weight:500;}
.nav-item.active::after{transform:translateY(-50%) scaleY(1);}
.nav-icon{width:14px;text-align:center;font-size:13px;flex-shrink:0;}

.nav-section{flex:1;overflow-y:auto;}
.nav-section::-webkit-scrollbar{width:0;}

.sidebar-footer{padding:14px 20px;border-top:1px solid rgba(255,255,255,.06);}
.user-info{display:flex;align-items:center;gap:9px;margin-bottom:10px;}
.user-avatar{width:28px;height:28px;background:var(--g700);border:1px solid rgba(255,255,255,.12);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--white);flex-shrink:0;}
.user-name{font-size:12px;font-weight:500;color:var(--white);line-height:1;}
.user-role{font-size:9px;color:var(--g500);margin-top:2px;text-transform:uppercase;letter-spacing:.08em;}
.sign-out{font-size:10px;font-weight:500;color:var(--g600);cursor:pointer;letter-spacing:.1em;text-transform:uppercase;transition:color .2s;}
.sign-out:hover{color:var(--g300);}

/* ═══ TOPBAR ═══ */
.topbar{position:fixed;top:0;left:var(--sw);right:0;height:var(--th);background:rgba(250,250,250,.93);backdrop-filter:blur(20px);border-bottom:1px solid var(--g200);display:flex;align-items:center;justify-content:space-between;padding:0 28px;z-index:100;}
.topbar-left{display:flex;align-items:center;gap:12px;}
.hamburger{display:none;flex-direction:column;gap:4.5px;cursor:pointer;padding:4px;}
.hamburger span{display:block;width:20px;height:1.5px;background:var(--black);transition:all .3s var(--ease);border-radius:2px;}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(4px,4px);}
.hamburger.active span:nth-child(2){opacity:0;transform:translateX(-5px);}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px);}
.topbar-title{font-family:'Playfair Display',serif;font-size:15px;font-weight:500;color:var(--g600);letter-spacing:.05em;}
.topbar-right{display:flex;align-items:center;gap:6px;}
.search-bar{display:flex;align-items:center;gap:7px;background:var(--white);border:1px solid var(--g200);border-radius:8px;padding:6px 12px;width:210px;transition:all .3s var(--ease);}
.search-bar:focus-within{border-color:var(--g400);box-shadow:0 0 0 3px rgba(0,0,0,.04);width:250px;}
.search-icon{font-size:12px;color:var(--g400);}
.search-input{border:none;outline:none;background:transparent;font-family:'DM Sans',sans-serif;font-size:12.5px;color:var(--black);width:100%;}
.search-input::placeholder{color:var(--g400);}
.icon-btn{width:34px;height:34px;border-radius:7px;background:var(--white);border:1px solid var(--g200);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:13px;color:var(--g600);transition:all .2s var(--ease);position:relative;}
.icon-btn:hover{background:var(--black);border-color:var(--black);color:var(--white);transform:translateY(-1px);}
.notif-dot{position:absolute;top:5px;right:5px;width:5px;height:5px;background:var(--black);border-radius:50%;border:1.5px solid var(--white);}
.icon-btn:hover .notif-dot{background:var(--white);border-color:var(--black);}

/* OVERLAY */
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:150;backdrop-filter:blur(2px);opacity:0;transition:opacity .3s;}
.overlay.show{display:block;opacity:1;}

/* MAIN */
.main{margin-left:var(--sw);margin-top:var(--th);padding:32px 28px;min-height:calc(100vh - var(--th));overflow-y:auto;height:calc(100vh - var(--th));}
.main::-webkit-scrollbar{width:4px;}
.main::-webkit-scrollbar-track{background:transparent;}
.main::-webkit-scrollbar-thumb{background:var(--g300);border-radius:4px;}

/* PAGES */
.page{display:none;}
.page.active{display:block;animation:pageIn .38s var(--ease) both;}
@keyframes pageIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

/* PAGE HEADER */
.page-header{margin-bottom:26px;animation:fsd .5s .04s var(--ease) both;}
.page-title{font-family:'Playfair Display',serif;font-size:28px;font-weight:500;color:var(--black);line-height:1;}
.page-sub{font-size:12.5px;color:var(--g500);margin-top:5px;}

/* BUTTONS */
.btn-primary{display:inline-flex;align-items:center;gap:7px;padding:9px 17px;background:var(--black);color:var(--white);border:none;border-radius:8px;font-family:'DM Sans',sans-serif;font-size:12.5px;font-weight:500;cursor:pointer;transition:all .25s var(--ease);position:relative;overflow:hidden;white-space:nowrap;}
.btn-primary::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,.1);transform:translateX(-100%);transition:transform .4s var(--ease);}
.btn-primary:hover::before{transform:translateX(0);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.18);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;background:transparent;color:var(--g600);border:1px solid var(--g200);border-radius:7px;font-family:'DM Sans',sans-serif;font-size:11.5px;font-weight:500;cursor:pointer;transition:all .2s var(--ease);}
.btn-secondary:hover{background:var(--g100);border-color:var(--g300);color:var(--black);}
.btn-danger{display:inline-flex;align-items:center;padding:6px 12px;background:var(--black);color:var(--white);border:none;border-radius:6px;font-family:'DM Sans',sans-serif;font-size:11px;font-weight:500;cursor:pointer;transition:all .2s var(--ease);}
.btn-danger:hover{background:#222;transform:scale(1.04);}
.btn-warn{display:inline-flex;align-items:center;padding:6px 12px;background:var(--g200);color:var(--g700);border:none;border-radius:6px;font-family:'DM Sans',sans-serif;font-size:11px;font-weight:500;cursor:pointer;transition:all .2s var(--ease);}
.btn-warn:hover{background:var(--g300);}
.btn-sm{display:inline-flex;align-items:center;padding:5px 10px;background:transparent;color:var(--g500);border:1px solid var(--g200);border-radius:6px;font-family:'DM Sans',sans-serif;font-size:11px;font-weight:500;cursor:pointer;transition:all .2s var(--ease);}
.btn-sm:hover{background:var(--g100);color:var(--black);border-color:var(--g300);}
.btn-sm.approved{color:var(--g400);border-color:var(--g200);cursor:default;pointer-events:none;}

/* STATS GRID */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;}
.stat-card{background:var(--white);border:1px solid var(--g200);border-radius:13px;padding:20px;position:relative;overflow:hidden;cursor:default;transition:all .35s var(--ease);animation:fsc .5s var(--ease) both;}
.stat-card::before{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--black);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.08);border-color:var(--g300);}
.stat-card:hover::before{transform:scaleX(1);}
.stat-icon{font-size:16px;margin-bottom:10px;display:block;filter:grayscale(1);transition:filter .3s;}
.stat-card:hover .stat-icon{filter:grayscale(0);}
.stat-label{font-size:10px;font-weight:500;color:var(--g400);letter-spacing:.05em;text-transform:uppercase;margin-bottom:6px;}
.stat-value{font-family:'Playfair Display',serif;font-size:24px;font-weight:500;color:var(--black);line-height:1;margin-bottom:6px;}
.stat-meta{font-size:10px;color:var(--g400);font-style:italic;}

/* CARD */
.card{background:var(--white);border:1px solid var(--g200);border-radius:13px;overflow:hidden;margin-bottom:20px;animation:fsc .5s .12s var(--ease) both;}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--g100);flex-wrap:wrap;gap:10px;}
.card-title{font-family:'Playfair Display',serif;font-size:15px;font-weight:500;color:var(--black);}
.card-search{display:flex;align-items:center;gap:6px;background:var(--g100);border:1px solid var(--g200);border-radius:7px;padding:6px 11px;transition:all .25s;}
.card-search:focus-within{background:var(--white);border-color:var(--g400);}
.card-search input{border:none;outline:none;background:transparent;font-family:'DM Sans',sans-serif;font-size:12px;color:var(--black);width:130px;}
.card-search input::placeholder{color:var(--g400);}

/* TABLE */
.tbl-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;min-width:500px;}
thead th{padding:10px 20px;text-align:left;font-size:9px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--g400);background:var(--g100);border-bottom:1px solid var(--g200);white-space:nowrap;}
tbody tr{border-bottom:1px solid var(--g100);transition:background .18s var(--ease);}
tbody tr:last-child{border-bottom:none;}
tbody tr:hover{background:#f9f9f9;}
tbody td{padding:12px 20px;font-size:12.5px;color:var(--g600);}
tbody td.mono{font-family:'DM Mono',monospace;font-size:11.5px;}
tbody td.bold{font-weight:600;color:var(--black);}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;font-size:9.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;}
.badge::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;}
.badge-active{background:#e8f5e8;color:#1a6e1a;border:1px solid #b8e0b8;}
.badge-pending{background:#f5f0e8;color:#7d5b08;border:1px solid #e0ccb8;}
.badge-suspended{background:#fdf0ef;color:#a93226;border:1px solid #f0c0bb;}
.badge-inactive{background:var(--g100);color:var(--g500);border:1px solid var(--g200);}

/* EMPTY */
.empty-state{padding:52px 20px;text-align:center;}
.empty-icon{font-size:28px;filter:grayscale(1);opacity:.2;margin-bottom:11px;display:block;animation:floatIcon 3s ease-in-out infinite;}
.empty-title{font-family:'Playfair Display',serif;font-size:14px;font-weight:500;color:var(--g400);margin-bottom:4px;}
.empty-sub{font-size:11px;color:var(--g300);}
@keyframes floatIcon{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

/* COUPON FORM */
.coupon-form{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--g100);flex-wrap:wrap;}
.coupon-form .form-input{padding:8px 12px;border:1px solid var(--g200);border-radius:7px;font-family:'DM Sans',sans-serif;font-size:12.5px;color:var(--black);background:var(--g100);transition:all .25s;outline:none;height:36px;}
.coupon-form .form-input:focus{background:var(--white);border-color:var(--g400);box-shadow:0 0 0 3px rgba(0,0,0,.04);}
.coupon-form .form-input::placeholder{color:var(--g400);}
.coupon-form select.form-input{cursor:pointer;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M5 6L0 0h10z' fill='%23888'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:28px;}

/* SETTINGS FORM */
.settings-card{background:var(--white);border:1px solid var(--g200);border-radius:13px;padding:26px;margin-bottom:20px;animation:fsc .5s .1s var(--ease) both;}
.settings-title{font-family:'Playfair Display',serif;font-size:16px;font-weight:500;color:var(--black);margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--g100);}
.settings-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;align-items:end;}
.form-group{display:flex;flex-direction:column;gap:6px;}
label{font-size:9.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--g400);}
.form-input{padding:10px 13px;border:1px solid var(--g200);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:13px;color:var(--black);background:var(--g100);transition:all .25s var(--ease);outline:none;}
.form-input:focus{background:var(--white);border-color:var(--g400);box-shadow:0 0 0 3px rgba(0,0,0,.04);}

/* CATEGORY LIST */
.cat-add-bar{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--g100);flex-wrap:wrap;}
.file-input-label{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;background:var(--g100);border:1px solid var(--g200);border-radius:7px;font-size:12px;color:var(--g600);cursor:pointer;transition:all .2s;}
.file-input-label:hover{background:var(--g200);}
.file-input-label input{display:none;}
.cat-img{width:36px;height:36px;border-radius:6px;object-fit:cover;border:1px solid var(--g200);background:var(--g100);}
.cat-img-placeholder{width:36px;height:36px;border-radius:6px;border:1px solid var(--g200);background:var(--g100);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--g400);}

/* ANALYTICS */
.chart-wrap{padding:20px 20px 12px;}
.chart-placeholder{height:150px;background:var(--g100);border-radius:10px;display:flex;align-items:flex-end;padding:0 16px 16px;gap:5px;overflow:hidden;}
.bar{flex:1;background:var(--g300);border-radius:4px 4px 0 0;transition:height .7s var(--ease),background .3s;}
.bar:hover{background:var(--black);}
.bar.cur{background:var(--g700);}
.chart-months{display:flex;gap:5px;padding:0 16px;margin-bottom:16px;}
.chart-months span{flex:1;font-size:8px;color:var(--g400);text-align:center;}

/* MODAL */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:300;display:none;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(6px);}
.modal-backdrop.open{display:flex;animation:fadeIn .25s var(--ease);}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.modal{background:var(--white);border-radius:16px;width:100%;max-width:440px;max-height:90vh;overflow-y:auto;animation:modalIn .3s var(--spring);}
@keyframes modalIn{from{opacity:0;transform:scale(.93) translateY(12px);}to{opacity:1;transform:scale(1) translateY(0);}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--g100);}
.modal-title{font-family:'Playfair Display',serif;font-size:16px;font-weight:500;}
.modal-close{width:28px;height:28px;border-radius:6px;background:var(--g100);border:none;cursor:pointer;font-size:14px;color:var(--g500);display:flex;align-items:center;justify-content:center;transition:all .2s;}
.modal-close:hover{background:var(--g200);color:var(--black);}
.modal-body{padding:22px;display:flex;flex-direction:column;gap:14px;}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;}

/* TOAST */
.toast{position:fixed;bottom:24px;right:24px;background:var(--black);color:var(--white);padding:11px 18px;border-radius:10px;font-size:12.5px;font-weight:500;z-index:500;pointer-events:none;opacity:0;transform:translateY(8px) scale(.96);transition:all .3s var(--spring);box-shadow:0 10px 30px rgba(0,0,0,.2);}
.toast.show{opacity:1;transform:translateY(0) scale(1);}

/* CONFIRM DIALOG */
.confirm-dialog{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:400;display:none;align-items:center;justify-content:center;backdrop-filter:blur(6px);}
.confirm-dialog.open{display:flex;animation:fadeIn .2s;}
.confirm-box{background:var(--white);border-radius:14px;padding:28px;max-width:340px;width:100%;margin:16px;animation:modalIn .25s var(--spring);}
.confirm-title{font-family:'Playfair Display',serif;font-size:17px;font-weight:500;margin-bottom:8px;}
.confirm-sub{font-size:13px;color:var(--g500);margin-bottom:22px;line-height:1.5;}
.confirm-actions{display:flex;gap:10px;justify-content:flex-end;}

/* ADMIN AUTH */
.admin-auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:36px;background:var(--g100);}
.admin-auth-card{background:var(--white);border:1px solid var(--g200);border-radius:16px;padding:32px;max-width:420px;width:100%;box-shadow:0 18px 40px rgba(0,0,0,.08);text-align:left;animation:fsc .5s var(--ease) both;}
.admin-auth-card h1{font-family:'Playfair Display',serif;font-size:24px;font-weight:500;margin:10px 0 6px;color:var(--black);}
.admin-auth-card .sub{font-size:12.5px;color:var(--g500);margin-bottom:18px;}
.admin-auth-card .lock-icon{width:44px;height:44px;border-radius:12px;background:var(--g100);display:flex;align-items:center;justify-content:center;font-size:20px;border:1px solid var(--g200);}
.admin-auth-card .fg{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.admin-auth-card label{font-size:9.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--g400);}
.admin-auth-card input{padding:10px 13px;border:1px solid var(--g200);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:13px;color:var(--black);background:var(--g100);transition:all .25s var(--ease);outline:none;}
.admin-auth-card input:focus{background:var(--white);border-color:var(--g400);box-shadow:0 0 0 3px rgba(0,0,0,.04);}
.admin-btn{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:10px 18px;background:var(--black);color:var(--white);border:none;border-radius:8px;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .25s var(--ease);margin-top:6px;}
.admin-btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.2);}
.notice{background:#fff7e8;border:1px solid #f0d9b5;color:#7d5b08;padding:10px 12px;border-radius:10px;font-size:12px;margin:8px 0 12px;}

/* RIPPLE */
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.15);transform:scale(0);animation:rippleA .65s linear;pointer-events:none;}
@keyframes rippleA{to{transform:scale(4);opacity:0;}}

/* ANIMATIONS */
@keyframes fsd{from{opacity:0;transform:translateY(-10px);}to{opacity:1;transform:translateY(0);}}
@keyframes fsr{from{opacity:0;transform:translateX(-10px);}to{opacity:1;transform:translateX(0);}}
@keyframes fsu{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
@keyframes fsc{from{opacity:0;transform:scale(.97) translateY(8px);}to{opacity:1;transform:scale(1) translateY(0);}}

/* MOBILE */
@media(max-width:768px){
  :root{--th:54px;}
  .sidebar{transform:translateX(-250px);width:250px;}
  .sidebar.open{transform:translateX(0);}
  .hamburger{display:flex;}
  .topbar{left:0;padding:0 14px;}
  .search-bar{width:130px;}
  .search-bar:focus-within{width:155px;}
  .main{margin-left:0;padding:18px 14px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:10px;}
  .page-title{font-size:24px;}
  .settings-grid{grid-template-columns:1fr;}
  .icon-btn.hide-mobile{display:none;}
  .card-header{flex-direction:column;align-items:flex-start;}
  .coupon-form{flex-direction:column;align-items:stretch;}
  .coupon-form .form-input{width:100%;}
  .cat-add-bar{flex-direction:column;align-items:stretch;}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat-card{padding:14px;}
  .stat-value{font-size:20px;}
  .search-bar{display:none;}
}