@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;700;900&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:#22271F;
  --paper:#F3F4F1;
  --card:#FFFFFF;
  --door:#2F5D43;
  --door-deep:#24382C;
  --door-soft:#365E48;
  --brass:#B08D3E;
  --brass-soft:#F1E6CC;
  --alert:#B4452F;
  --line:#DDE0D8;
  --muted:#6B7265;
  --shadow:0 18px 42px rgba(36,56,44,.08);
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'IBM Plex Sans',sans-serif;color:var(--ink);background:radial-gradient(circle at top left,#F8F5EB 0%,var(--paper) 34%,#ECEFE7 100%);min-height:100vh;}
#app{display:flex;min-height:100vh;}
h1,h2,h3,.display{font-family:'Archivo',sans-serif;}
.mono{font-family:'IBM Plex Mono',monospace;}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brass);outline-offset:2px;}

/* --- sidebar --- */
.kz-side{width:248px;background:linear-gradient(180deg,var(--door-deep) 0%,#1E2E25 100%);color:#E9EDE7;display:flex;flex-direction:column;flex-shrink:0;box-shadow:inset -1px 0 0 rgba(255,255,255,.04);}
.kz-logo{padding:26px 22px 20px;border-bottom:1px solid rgba(255,255,255,.12);}
.kz-logo .word{font-family:'Archivo';font-weight:900;font-size:20px;letter-spacing:.01em;color:#fff;white-space:nowrap;}
.kz-logo .word span{color:var(--brass);}
.kz-logo .sub{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#9FB0A2;margin-top:3px;}
.kz-nav{padding:14px 10px;display:flex;flex-direction:column;gap:6px;}
.kz-nav button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.04);color:#C7D1C6;font:inherit;font-size:14.5px;padding:11px 12px;border-radius:10px;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .15s ease;}
.kz-nav button:hover{background:rgba(255,255,255,.07);color:#fff;}
.kz-nav button.on{background:linear-gradient(135deg,var(--door) 0%,var(--door-soft) 100%);border-color:rgba(255,255,255,.08);color:#fff;font-weight:600;transform:translateX(2px);}
.kz-nav .badge{margin-left:auto;background:var(--alert);color:#fff;font-size:11px;font-weight:600;border-radius:99px;padding:1px 7px;}
.kz-side .foot{margin-top:auto;padding:16px 22px;font-size:11.5px;color:#8FA092;border-top:1px solid rgba(255,255,255,.12);}

/* --- main --- */
.kz-main{flex:1;padding:28px clamp(18px,3vw,42px) 56px;width:100%;max-width:none;}
.kz-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.kz-head h1{font-size:clamp(28px,2.4vw,36px);font-weight:900;letter-spacing:-.02em;}
.kz-head .date{font-size:13px;color:var(--muted);}

/* --- cards & stats --- */
.kz-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin-bottom:24px;}
.kz-stat{background:linear-gradient(180deg,#fff 0%,#FCFCFA 100%);border:1px solid var(--line);border-radius:16px;padding:18px 18px 15px;box-shadow:var(--shadow);}
.kz-stat .lbl{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
.kz-stat .val{font-family:'Archivo';font-weight:900;font-size:27px;}
.kz-stat .val.alert{color:var(--alert);}
.kz-stat .val.ok{color:var(--door);}
.kz-card{background:linear-gradient(180deg,#fff 0%,#FCFCFA 100%);border:1px solid rgba(221,224,216,.95);border-radius:18px;padding:22px;margin-bottom:16px;box-shadow:var(--shadow);}
.kz-card h2{font-size:17px;font-weight:700;margin-bottom:14px;}

/* --- buttons --- */
.kz-btn{background:var(--door);color:#fff;border:none;border-radius:8px;padding:10px 18px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;}
.kz-btn:hover{background:#3B7052;}
.kz-btn.ghost{background:transparent;color:var(--door);border:1.5px solid var(--door);}
.kz-btn.ghost:hover{background:#EDF2EE;}
.kz-btn.small{padding:6px 12px;font-size:13px;border-radius:7px;}
.kz-btn[disabled]{opacity:.5;cursor:default;}

/* --- rows / tags --- */
.kz-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);}
.kz-row:last-child{border-bottom:none;}
.kz-tag{font-size:11.5px;font-weight:600;border-radius:99px;padding:3px 10px;letter-spacing:.02em;white-space:nowrap;}
.kz-tag.nowa{background:#F7E3DD;color:var(--alert);}
.kz-tag.trakcie{background:var(--brass-soft);color:#7A6220;}
.kz-tag.done{background:#E1EDE4;color:var(--door);}
button.kz-tag{border:none;cursor:pointer;font:inherit;font-size:11.5px;font-weight:600;}

/* --- książeczka czynszowa --- */
.kz-ledger{overflow-x:auto;}
.kz-ledger table{border-collapse:separate;border-spacing:0 10px;width:100%;}
.kz-ledger th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:0 4px 2px;text-align:center;}
.kz-ledger th.prop{text-align:left;min-width:170px;}
.kz-ledger td.prop{font-weight:600;font-size:14px;padding-right:14px;}
.kz-ledger td.prop .rent{display:block;font-family:'IBM Plex Mono';font-size:12px;color:var(--muted);font-weight:400;margin-top:2px;}
.stamp{width:44px;height:44px;border-radius:50%;border:1.6px solid var(--line);background:#FBFBF9;margin:0 auto;display:flex;align-items:center;justify-content:center;cursor:pointer;font-family:'IBM Plex Mono';font-size:9.5px;color:#B6BCB0;transition:transform .08s;}
.stamp:hover{transform:scale(1.07);}
@media (prefers-reduced-motion: reduce){.stamp,.stamp:hover{transition:none;transform:none;}}
.stamp.paid{border:1.6px solid var(--brass);background:var(--brass-soft);color:#7A6220;font-weight:600;transform:rotate(-8deg);box-shadow:inset 0 0 0 3px #fff;}
.stamp.due{border:1.6px dashed var(--alert);color:var(--alert);font-weight:600;}
.stamp.future{cursor:default;opacity:.55;}
.kz-legend{display:flex;gap:18px;font-size:12.5px;color:var(--muted);margin-top:10px;flex-wrap:wrap;}
.kz-legend i{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:6px;vertical-align:-1px;}

/* --- formularze i modale --- */
.kz-field{margin-bottom:13px;}
.kz-field label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:5px;}
.kz-field input,.kz-field select,.kz-field textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit;font-size:14px;background:#fff;color:var(--ink);}
.kz-field textarea{resize:vertical;min-height:70px;}
.kz-grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.kz-grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;}
.kz-overlay{position:fixed;inset:0;background:rgba(30,42,35,.5);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50;}
.kz-modal{background:#fff;border-radius:18px;padding:26px;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;box-shadow:0 28px 60px rgba(20,26,22,.22);}
.kz-modal h2{font-size:19px;font-weight:900;margin-bottom:18px;}
.kz-modal .acts{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;}
.kz-err{background:#F7E3DD;color:var(--alert);border-radius:8px;padding:9px 12px;font-size:13.5px;margin-bottom:13px;display:none;}
.kz-err.show{display:block;}
.kz-info{background:#E1EDE4;color:var(--door);border-radius:8px;padding:9px 12px;font-size:13.5px;margin-bottom:13px;display:none;}
.kz-info.show{display:block;}
.kz-proto-pre{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px;font-family:'IBM Plex Mono';font-size:12.5px;white-space:pre-wrap;max-height:340px;overflow-y:auto;}
.kz-empty{padding:34px;text-align:center;color:var(--muted);font-size:14px;}

/* --- ekran logowania --- */
.kz-login{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;background:
radial-gradient(circle at top right,rgba(241,230,204,.16) 0,rgba(241,230,204,0) 28%),
linear-gradient(160deg,var(--door-deep) 0%,var(--door) 100%);}
.kz-login-box{background:#fff;border-radius:24px;padding:34px 32px;width:100%;max-width:420px;box-shadow:0 26px 70px rgba(19,31,24,.24);position:relative;overflow:hidden;}
.kz-login-box::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:linear-gradient(90deg,var(--brass) 0%,#D8B86A 100%);}
.kz-login-box .word{font-family:'Archivo';font-weight:900;font-size:24px;color:var(--door-deep);}
.kz-login-box .word span{color:var(--brass);}
.kz-login-box .sub{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:3px 0 24px;}
.kz-login-note{font-size:12.5px;color:var(--muted);margin-top:16px;line-height:1.55;}
.kz-login-note-warn{background:var(--brass-soft);border:1px solid var(--brass);border-radius:10px;padding:10px 12px;color:#7A6220;}
.kz-text-btn{display:block;width:100%;margin-top:10px;background:none;border:none;color:var(--door);font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;text-align:center;}
.kz-text-btn:hover{text-decoration:underline;}
.kz-pass-hint{font-size:12.5px;line-height:1.45;color:var(--muted);margin-top:-4px;margin-bottom:10px;}

/* --- dokumenty prawne --- */
.kz-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.kz-tabs button{background:#fff;border:1.5px solid var(--line);border-radius:99px;padding:8px 16px;font:inherit;font-size:13.5px;font-weight:600;color:var(--muted);cursor:pointer;}
.kz-tabs button.on{background:var(--door);border-color:var(--door);color:#fff;}
.kz-legal{font-size:14.5px;line-height:1.7;}
.kz-legal h3{font-size:15px;margin:16px 0 6px;}
.kz-legal p{margin-bottom:10px;}
.kz-legal-warn{background:var(--brass-soft);border:1px solid var(--brass);border-radius:10px;padding:12px 15px;font-size:13px;margin-bottom:18px;line-height:1.55;}

@media (max-width:980px){
  .kz-main{padding:24px 18px 42px;}
  .kz-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
}

/* --- mobile --- */
@media (max-width:760px){
  #app{flex-direction:column;}
  .kz-side{width:100%;position:sticky;top:0;z-index:20;flex-direction:column;align-items:stretch;overflow:visible;padding-bottom:10px;}
  .kz-logo{padding:14px 16px 10px;border-bottom:none;flex-shrink:0;}
  .kz-logo .word{font-size:19px;}
  .kz-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:6px 12px 0;gap:8px;}
  .kz-nav button{white-space:normal;justify-content:center;text-align:center;gap:6px;flex-direction:column;font-size:12.5px;padding:10px 8px;min-height:66px;}
  .kz-nav .badge{margin-left:0;}
  .kz-side .foot{display:none;}
  .kz-main{padding:18px 14px 28px;}
  .kz-head{margin-bottom:18px;gap:10px;}
  .kz-head h1{font-size:26px;}
  .kz-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:18px;}
  .kz-stat{padding:15px 14px 13px;}
  .kz-stat .val{font-size:22px;}
  .kz-card{padding:16px;border-radius:16px;}
  .kz-row{flex-direction:column;align-items:flex-start;gap:10px;}
  .kz-row .kz-btn.small,.kz-row .kz-tag{align-self:flex-start;}
  .kz-empty{padding:24px 8px;}
  .kz-overlay{padding:12px;}
  .kz-modal{padding:18px;max-height:92vh;border-radius:16px;}
  .kz-modal .acts{flex-direction:column-reverse;}
  .kz-modal .acts .kz-btn{width:100%;}
  .kz-grid2,.kz-grid3{grid-template-columns:1fr;}
  .kz-login{padding:14px;background:linear-gradient(180deg,var(--door-deep) 0%,var(--door) 100%);}
  .kz-login-box{padding:26px 20px 22px;border-radius:20px;}
  .kz-pass-hint{font-size:12px;}
}

@media (max-width:420px){
  .kz-nav{grid-template-columns:repeat(2,minmax(0,1fr));}
  .kz-stats{grid-template-columns:1fr 1fr;}
  .kz-head .date{width:100%;}
}