/* ============================================================
   Kayan Sales Planner — Design System v2
   Brand palette from the Kayan diamond logo · mobile-first responsive
   ============================================================ */
:root{
  --kayan-red:#C10016;
  --kayan-red-dark:#7A0510;
  --kayan-crimson:#E11B2E;
  --kayan-maroon:#560008;
  --kayan-red-soft:#fbe9eb;
  --ink:#1c1c20;
  --muted:#6b6f76;
  --line:#e6e8ec;
  --bg:#f4f5f7;
  --card:#ffffff;
  --white:#ffffff;
  --green:#1a8a4b;
  --green-soft:#e7f4ec;
  --amber:#b7791f;
  --amber-soft:#fbf1e0;
  --blue:#1f5fb0;
  --blue-soft:#e7effa;
  --gray-soft:#eef0f3;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 2px rgba(20,20,30,.05),0 6px 20px rgba(20,20,30,.05);
  --shadow-lg:0 14px 44px rgba(86,0,8,.16);
  --ring:0 0 0 3px rgba(193,0,22,.14);
  --tap:44px;                 /* min touch target */
  --sidebar-w:250px;
  --font:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0;overflow-x:hidden}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.no-scroll{overflow:hidden}
a{color:var(--kayan-red);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.25;color:var(--ink)}
h1{font-size:1.55rem}h2{font-size:1.22rem}h3{font-size:1.02rem}
p{margin:0 0 1em}
small{color:var(--muted)}
img{max-width:100%}
:focus-visible{outline:2px solid var(--kayan-red);outline-offset:2px}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh;min-height:100dvh}
.sidebar{width:var(--sidebar-w);background:linear-gradient(180deg,var(--kayan-maroon),var(--kayan-red-dark) 55%,var(--kayan-red));color:#fff;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:40;box-shadow:2px 0 18px rgba(0,0,0,.06)}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;position:relative}
.sidebar .brand img{width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.12);padding:4px;filter:drop-shadow(0 2px 6px rgba(0,0,0,.3))}
.sidebar .brand b{font-size:1.05rem;letter-spacing:.5px}
.sidebar .brand span{display:block;font-size:.64rem;opacity:.82;font-weight:400;letter-spacing:2px;text-transform:uppercase}
.sidebar .close{display:none;position:absolute;top:14px;right:12px;width:38px;height:38px;border:none;background:rgba(255,255,255,.14);color:#fff;border-radius:10px;font-size:1.1rem;cursor:pointer;align-items:center;justify-content:center}
.nav{padding:8px 10px;overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch}
.nav .grp{font-size:.64rem;text-transform:uppercase;letter-spacing:1.5px;opacity:.6;margin:16px 12px 6px}
.nav a{display:flex;align-items:center;gap:11px;color:#fff;padding:11px 12px;border-radius:11px;font-size:.92rem;opacity:.92;margin-bottom:2px;min-height:44px;transition:background .15s,opacity .15s}
.nav a:hover{background:rgba(255,255,255,.12);text-decoration:none;opacity:1}
.nav a.active{background:rgba(255,255,255,.2);opacity:1;font-weight:600;box-shadow:inset 3px 0 0 #fff}
.nav a .ic{width:20px;text-align:center;flex:0 0 20px;font-size:1rem}
.sidebar .foot{padding:12px 16px;border-top:1px solid rgba(255,255,255,.16);font-size:.8rem}
.sidebar .foot .who{display:flex;align-items:center;gap:9px;margin-bottom:8px}
.sidebar .foot .avatar{width:34px;height:34px;border-radius:50%;background:#fff;color:var(--kayan-red);display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 34px}
.sidebar .foot .who small{color:rgba(255,255,255,.75);display:block}
.sidebar .foot a{color:#fff;opacity:.85}

.backdrop{position:fixed;inset:0;background:rgba(30,12,15,.5);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;z-index:35}
.backdrop.show{opacity:1;visibility:visible}

.main{flex:1;margin-left:var(--sidebar-w);min-width:0;display:flex;flex-direction:column}
.topbar{background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:20;padding-top:max(12px,env(safe-area-inset-top))}
.topbar .pagetitle{font-weight:700;font-size:1.12rem;line-height:1.2}
.topbar .pagetitle small{display:block;font-weight:400;color:var(--muted);font-size:.76rem}
.content{padding:24px;max-width:1240px;width:100%;padding-bottom:max(24px,env(safe-area-inset-bottom))}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;background:var(--gray-soft);color:var(--ink);padding:9px 16px;border-radius:11px;font-size:.9rem;font-weight:600;cursor:pointer;transition:.15s;font-family:inherit;min-height:42px;white-space:nowrap;user-select:none}
.btn:hover{text-decoration:none;filter:brightness(.98)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--kayan-red);color:#fff;box-shadow:0 2px 8px rgba(193,0,22,.25)}
.btn-primary:hover{background:var(--kayan-red-dark)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--kayan-red);color:var(--kayan-red)}
.btn-danger{background:#fff;border-color:#e3b7ba;color:var(--kayan-red)}
.btn-danger:hover{background:var(--kayan-red);color:#fff;border-color:var(--kayan-red)}
.btn-sm{padding:7px 12px;font-size:.82rem;min-height:38px}
.btn-block{width:100%}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:box-shadow .2s,transform .2s}
.card .card-h{padding:15px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card .card-h h3{margin:0}
.card .card-b{padding:18px}
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.split{grid-template-columns:2fr 1fr;gap:18px}   /* responsive 2:1 layout */

/* ---------- KPI ---------- */
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.kpi:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--kayan-red)}
.kpi .lbl{font-size:.74rem;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;font-weight:700}
.kpi .val{font-size:1.9rem;font-weight:800;margin-top:4px;letter-spacing:-.5px;line-height:1.1}
.kpi .sub{font-size:.78rem;color:var(--muted);margin-top:3px}
.kpi.green::before{background:var(--green)}
.kpi.amber::before{background:var(--amber)}
.kpi.blue::before{background:var(--blue)}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius)}
table.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
table.tbl th,table.tbl td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.tbl thead th{background:var(--gray-soft);font-size:.7rem;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:700;white-space:nowrap;position:sticky;top:0}
table.tbl tbody tr{transition:background .12s}
table.tbl tbody tr:hover{background:#fcfafb}
table.tbl td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;font-size:.73rem;font-weight:700;white-space:nowrap;line-height:1.3}
.badge.gray{background:var(--gray-soft);color:var(--muted)}
.badge.red{background:var(--kayan-red-soft);color:var(--kayan-red)}
.badge.green{background:var(--green-soft);color:var(--green)}
.badge.amber{background:var(--amber-soft);color:var(--amber)}
.badge.blue{background:var(--blue-soft);color:var(--blue)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.chip{display:inline-block;background:var(--kayan-red-soft);color:var(--kayan-red);border:1px solid #eeccd0;padding:4px 11px;border-radius:9px;font-size:.78rem;font-weight:600;margin:2px 3px 2px 0}

/* ---------- Forms ---------- */
.form-row{margin-bottom:16px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-grid .full{grid-column:1/-1}
label.lbl{display:block;font-weight:600;font-size:.84rem;margin-bottom:6px;color:#33363c}
label.lbl .req{color:var(--kayan-red)}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],input[type=search],select,textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;font-size:.95rem;font-family:inherit;background:#fff;color:var(--ink);min-height:46px;transition:border-color .15s,box-shadow .15s}
textarea{min-height:80px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--kayan-red);box-shadow:var(--ring)}
.hint{font-size:.78rem;color:var(--muted);margin-top:5px}

/* product checkboxes */
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.prod-item{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:11px;padding:11px 13px;cursor:pointer;font-size:.9rem;transition:.12s;min-height:var(--tap)}
.prod-item:hover{border-color:var(--kayan-red)}
.prod-item input{width:20px;height:20px;accent-color:var(--kayan-red);flex:0 0 20px}
.prod-item.checked{background:var(--kayan-red-soft);border-color:var(--kayan-red)}

/* ---------- Flash ---------- */
.flash{padding:12px 16px;border-radius:11px;margin-bottom:18px;font-size:.9rem;font-weight:500;display:flex;align-items:flex-start;gap:9px;border:1px solid}
.flash b{flex:0 0 auto}
.flash.ok{background:var(--green-soft);border-color:#bfe2cd;color:#14683a}
.flash.err{background:var(--kayan-red-soft);border-color:#eecccf;color:var(--kayan-red-dark)}
.flash.info{background:var(--blue-soft);border-color:#c8dcf3;color:#194e91}

/* ---------- Login / auth ---------- */
.auth-wrap{min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:1fr 1fr}
.auth-brand{background:linear-gradient(135deg,var(--kayan-crimson),var(--kayan-red) 42%,var(--kayan-maroon));color:#fff;display:flex;flex-direction:column;justify-content:center;padding:56px;position:relative;overflow:hidden}
.auth-brand::after{content:"";position:absolute;right:-120px;bottom:-120px;width:420px;height:420px;border-radius:60px;transform:rotate(45deg);background:rgba(255,255,255,.05)}
.auth-brand img{width:100px;height:100px;margin-bottom:24px;border-radius:18px;background:rgba(255,255,255,.1);padding:10px;filter:drop-shadow(0 6px 18px rgba(0,0,0,.3))}
.auth-brand h1{color:#fff;font-size:1.9rem;margin-bottom:10px}
.auth-brand p{color:rgba(255,255,255,.9);max-width:420px}
.auth-brand ul{list-style:none;padding:0;margin:22px 0 0}
.auth-brand li{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.92)}
.auth-brand li .tick{width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:.78rem;flex:0 0 24px}
.auth-form{display:flex;flex-direction:column;justify-content:center;padding:56px;background:var(--white)}
.auth-form .box{width:100%;max-width:390px;margin:0 auto}
.auth-form .logo-sm{display:none}

/* ---------- Calendar ---------- */
.cal{width:100%;border-collapse:collapse;table-layout:fixed}
.cal th{padding:8px 4px;font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);border-bottom:1px solid var(--line)}
.cal td{border:1px solid var(--line);height:104px;vertical-align:top;padding:6px;width:14.28%}
.cal td.out{background:#fafbfc}
.cal .dnum{font-size:.8rem;color:var(--muted);font-weight:600}
.cal td.today .dnum{background:var(--kayan-red);color:#fff;border-radius:50%;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center}
.cal .ev{display:block;font-size:.72rem;background:var(--kayan-red-soft);color:var(--kayan-red-dark);border-left:3px solid var(--kayan-red);padding:2px 5px;border-radius:5px;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cal .ev.na{background:var(--amber-soft);color:var(--amber);border-left-color:var(--amber)}

.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.toolbar .spacer{flex:1}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:11px;overflow:hidden}
.seg a{padding:8px 14px;font-size:.85rem;color:var(--muted);font-weight:600;min-height:40px;display:inline-flex;align-items:center}
.seg a.active{background:var(--kayan-red);color:#fff}
.seg a:hover{text-decoration:none}

.empty{text-align:center;padding:44px 20px;color:var(--muted)}
.empty .big{font-size:2.4rem;margin-bottom:8px;opacity:.6}
.avatar-list{width:32px;height:32px;border-radius:50%;background:var(--kayan-red);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;flex:0 0 32px}

.mb0{margin-bottom:0}.mt0{margin-top:0}.mt16{margin-top:16px}.mt24{margin-top:24px}
.right{text-align:right}.center{text-align:center}
.muted{color:var(--muted)}
.hide{display:none}

.menu-btn{display:none}

/* ===========================================================
   RESPONSIVE
   =========================================================== */

/* Tablet & small laptop: drawer navigation */
@media(max-width:1024px){
  .sidebar{transform:translateX(-100%);transition:transform .28s ease;box-shadow:none}
  .sidebar.open{transform:none;box-shadow:0 0 40px rgba(0,0,0,.35)}
  .sidebar .close{display:flex}
  .main{margin-left:0}
  .menu-btn{display:inline-flex}
  .grid.split{grid-template-columns:1fr}
}

/* Tablet portrait */
@media(max-width:900px){
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .auth-wrap{grid-template-columns:1fr}
  .auth-brand{display:none}
  .auth-form{padding:32px 24px;min-height:100vh;min-height:100dvh}
  .auth-form .logo-sm{display:block;text-align:center;margin-bottom:18px}
  .auth-form .logo-sm img{width:72px;border-radius:16px}
}

/* Phone landscape / large phone */
@media(max-width:680px){
  .content{padding:16px}
  .topbar{padding:10px 16px}
  .grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .form-grid,.prod-grid{grid-template-columns:1fr}
  .card .card-b{padding:16px}
  h1{font-size:1.35rem}
  .topbar .pagetitle{font-size:1.02rem}
  .btn-hide-sm{display:none}   /* hide label text on tiny buttons */

  /* Prevent iOS zoom on focus */
  input[type=text],input[type=email],input[type=password],input[type=date],
  input[type=number],input[type=search],select,textarea{font-size:16px}

  /* Stacked-card tables */
  table.tbl.cards thead{display:none}
  table.tbl.cards,table.tbl.cards tbody,table.tbl.cards tr,table.tbl.cards td{display:block;width:100%}
  table.tbl.cards tr{border:1px solid var(--line);border-radius:14px;margin-bottom:12px;background:#fff;box-shadow:var(--shadow);overflow:hidden}
  table.tbl.cards tr:hover{background:#fff}
  table.tbl.cards td{display:flex;justify-content:space-between;align-items:center;gap:14px;border:none;border-bottom:1px solid var(--line);padding:11px 15px;text-align:right}
  table.tbl.cards td:last-child{border-bottom:none}
  table.tbl.cards td::before{content:attr(data-label);font-weight:700;color:var(--muted);text-transform:uppercase;font-size:.66rem;letter-spacing:.5px;text-align:left;flex:0 0 auto}
  table.tbl.cards td[data-label=""]{justify-content:flex-end}
  table.tbl.cards td[data-label=""]::before{content:none}
  table.tbl.cards td[data-label=""] .btn{width:100%}

  /* Compact calendar: dots instead of labels */
  .cal td{height:56px;padding:3px}
  .cal .ev{font-size:0;padding:0;height:7px;width:7px;border-radius:50%;border-left:none;display:inline-block;margin:2px 2px 0 0}
  .cal .ev.na{background:var(--amber)}
  .cal .ev{background:var(--kayan-red)}
  .cal td .muted{display:none}
}

/* Small phone */
@media(max-width:400px){
  .grid.cols-4{grid-template-columns:1fr}
  .kpi .val{font-size:1.7rem}
}

@media print{
  .sidebar,.topbar,.backdrop,.toolbar,.menu-btn{display:none!important}
  .main{margin-left:0}
  .card{box-shadow:none;border-color:#ccc}
}