/* ============================================================
   KAAF INVOICE MAKER — PREMIUM MODERN THEME
   ============================================================ */
:root{
  --green:#00a651;--green-dark:#007336;--green-deep:#004d24;
  --green-soft:#e8f9ef;--green-glow:rgba(0,166,81,.18);
  --gold:#fdb813;--gold-dark:#d99b00;--gold-soft:#fff7e0;
  --text:#0a0f1c;--text-soft:#334155;--muted:#64748b;--muted-2:#94a3b8;
  --bg:#f4f7fb;--card:#fff;--border:#e4eaf2;--border-2:#eef2f7;
  --danger:#ef4444;--danger-soft:#fee2e2;
  --success:#10b981;--success-soft:#d1fae5;
  --warn:#f59e0b;
  --purple:#8b5cf6;--purple-soft:#ede9fe;
  --blue:#3b82f6;--blue-soft:#dbeafe;
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:26px;
  --sh-sm:0 1px 2px rgba(10,15,28,.04),0 1px 3px rgba(10,15,28,.06);
  --sh-md:0 4px 12px rgba(10,15,28,.06),0 2px 4px rgba(10,15,28,.04);
  --sh-lg:0 12px 40px rgba(10,15,28,.09),0 4px 12px rgba(10,15,28,.05);
  --sh-xl:0 24px 60px rgba(10,15,28,.14);
  --topbar-h:68px;
  --fade-in:slideUp .35s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:15px;line-height:1.55;color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(circle at 0% 0%,rgba(0,166,81,.06) 0,transparent 45%),
    radial-gradient(circle at 100% 0%,rgba(253,184,19,.06) 0,transparent 45%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--green-dark);text-decoration:none;transition:color .15s}
a:hover{text-decoration:none;color:var(--green)}

/* LAYOUT */
.wrap{max-width:1240px;margin:0 auto;padding:26px 20px 100px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.page-head h1{font-size:26px;font-weight:800;margin:0;letter-spacing:-.03em;background:linear-gradient(135deg,var(--text),var(--green-dark));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-head .sub{color:var(--muted);font-size:13.5px;margin-top:4px;font-weight:500}

/* TOPBAR */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(228,234,242,.8);
  box-shadow:0 1px 0 rgba(255,255,255,.6) inset,var(--sh-sm);
}
.topbar__inner{max-width:1240px;margin:0 auto;padding:0 20px;height:var(--topbar-h);display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800}
.brand__mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--green) 0%,var(--green-deep) 100%);
  color:#fff;display:grid;place-items:center;
  font-size:14px;font-weight:800;letter-spacing:.3px;
  box-shadow:0 4px 12px var(--green-glow),0 0 0 1px rgba(255,255,255,.1) inset;
  position:relative;overflow:hidden;
}
.brand__mark::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,.2));pointer-events:none}
.brand__logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;border:1px solid var(--border);box-shadow:var(--sh-sm)}
.brand__text{font-size:16px;letter-spacing:-.02em;background:linear-gradient(135deg,var(--text),var(--green-dark));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

.nav{display:flex;align-items:center;gap:4px}
.nav a{
  padding:9px 14px;border-radius:10px;color:var(--muted);
  font-size:14px;font-weight:600;white-space:nowrap;transition:all .18s ease;
  position:relative;
}
.nav a:hover{background:var(--green-soft);color:var(--green-dark);transform:translateY(-1px)}
.nav a.is-active{
  background:linear-gradient(135deg,var(--green),var(--green-dark));
  color:#fff;box-shadow:0 4px 12px var(--green-glow);
}
.nav__user{display:flex;align-items:center;gap:10px;margin-left:14px;padding-left:16px;border-left:1px solid var(--border)}
.nav__name{font-size:13px;font-weight:700;color:var(--text);padding:4px 10px;background:var(--green-soft);border-radius:8px}

.navtoggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:44px;height:44px;padding:0 11px;
  background:#fff;border:1px solid var(--border);border-radius:12px;
  cursor:pointer;box-shadow:var(--sh-sm);
}
.navtoggle span{display:block;height:2px;background:var(--text);border-radius:2px;transition:.22s}
.navtoggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.navtoggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.navtoggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* CARDS */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  padding:26px;margin-bottom:20px;
  animation:var(--fade-in);
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--green),var(--gold));
  opacity:.9;
}
.card__head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin:-2px 0 18px}
.card__title{font-size:17px;font-weight:800;margin:0;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.card__sub{font-size:13px;color:var(--muted);margin:4px 0 0;font-weight:500}

/* STATS */
.stats{display:grid;gap:16px;margin-bottom:24px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.stat{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:20px 22px;
  box-shadow:var(--sh-md);position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
  animation:var(--fade-in);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-lg)}
.stat::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--green);opacity:.15}
.stat::after{
  content:'';position:absolute;top:-30px;right:-30px;
  width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,var(--green-glow),transparent 70%);
  opacity:.6;pointer-events:none;
}
.stat__label{
  font-size:11.5px;font-weight:700;color:var(--muted);
  text-transform:uppercase;letter-spacing:.08em;
  display:flex;align-items:center;gap:6px;
}
.stat__label::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.stat__value{font-size:32px;font-weight:800;margin-top:8px;letter-spacing:-.04em;color:var(--text);line-height:1.1}
.stat__value--green{background:linear-gradient(135deg,var(--green),var(--green-deep));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat__value--gold{background:linear-gradient(135deg,var(--gold),var(--gold-dark));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat__hint{font-size:12px;color:var(--muted-2);margin-top:6px;font-weight:500}

/* FORMS */
.form-grid{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr))}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field--full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;color:var(--text);letter-spacing:-.01em}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=tel],input[type=time],input[type=file],select,textarea{
  width:100%;min-height:46px;padding:11px 14px;
  font-family:inherit;font-size:15px;color:var(--text);
  background:#fff;border:1.5px solid var(--border);
  border-radius:var(--r-sm);
  transition:all .18s ease;
  -webkit-appearance:none;appearance:none;
}
textarea{min-height:100px;resize:vertical;line-height:1.55}
select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:38px;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--green);
  box-shadow:0 0 0 4px var(--green-glow);
  background:#fefffe;
}
input[type=file]{padding:9px 12px;font-size:14px;cursor:pointer}
input[type=file]::file-selector-button{
  padding:8px 14px;margin-right:10px;border:0;border-radius:8px;
  background:linear-gradient(135deg,var(--green),var(--green-dark));
  color:#fff;font-weight:700;cursor:pointer;font-family:inherit;
  box-shadow:0 2px 6px var(--green-glow);
}
input:disabled{background:#f1f5f9;color:var(--muted);cursor:not-allowed}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 20px;
  font-family:inherit;font-size:14.5px;font-weight:700;line-height:1;
  color:#fff;background:linear-gradient(135deg,var(--green),var(--green-dark));
  border:1px solid transparent;border-radius:var(--r-sm);
  cursor:pointer;white-space:nowrap;
  transition:all .18s ease;
  box-shadow:0 4px 12px var(--green-glow);
  position:relative;overflow:hidden;
}
.btn::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,.15));opacity:0;transition:opacity .2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px var(--green-glow)}
.btn:hover::before{opacity:1}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-loading{opacity:.6;pointer-events:none}

.btn--gold{background:linear-gradient(135deg,#ffc93c,var(--gold-dark));color:#3d2c00;box-shadow:0 4px 12px rgba(253,184,19,.32)}
.btn--gold:hover{box-shadow:0 6px 20px rgba(253,184,19,.4)}
.btn--ghost{background:#fff;color:var(--text);border-color:var(--border);box-shadow:var(--sh-sm)}
.btn--ghost:hover{background:var(--bg);box-shadow:var(--sh-md);border-color:var(--border-2)}
.btn--danger{background:linear-gradient(135deg,#ef4444,#b91c1c);box-shadow:0 4px 12px rgba(239,68,68,.28)}
.btn--danger:hover{box-shadow:0 6px 20px rgba(239,68,68,.36)}
.btn--sm{min-height:38px;padding:9px 14px;font-size:13.5px;border-radius:9px}
.btn--block{width:100%}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn-row--end{justify-content:flex-end}

.spinner{
  width:15px;height:15px;border-radius:50%;
  border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;
  animation:spin .7s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* TABLES */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -26px;padding:0 26px}
table.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:14px;min-width:640px}
table.tbl th{
  text-align:left;font-size:11px;font-weight:800;color:var(--muted);
  text-transform:uppercase;letter-spacing:.08em;
  padding:12px 14px;background:#f8fafc;
  border-bottom:1px solid var(--border);
}
table.tbl th:first-child{border-top-left-radius:10px}
table.tbl th:last-child{border-top-right-radius:10px}
table.tbl td{padding:14px;border-bottom:1px solid var(--border-2);vertical-align:middle}
table.tbl tr:last-child td{border-bottom:0}
table.tbl tbody tr{transition:background .15s}
table.tbl tbody tr:hover{background:linear-gradient(90deg,var(--green-soft),transparent)}
.td-num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}
.td-actions{text-align:right;white-space:nowrap}

/* BADGES */
.badge{
  display:inline-block;padding:4px 10px;border-radius:999px;
  font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
  box-shadow:0 1px 2px rgba(0,0,0,.04);
}
.badge--draft{background:#f1f5f9;color:var(--muted)}
.badge--final{background:var(--success-soft);color:#065f46}
.badge--shared{background:var(--gold-soft);color:#8a6100}
.badge--active{background:var(--success-soft);color:#065f46}
.badge--suspended{background:var(--danger-soft);color:#991b1b}
.badge--admin{background:var(--purple-soft);color:#5b21b6}
.badge--user{background:var(--blue-soft);color:#1e40af}

/* ALERTS */
.alert{
  padding:14px 16px;border-radius:var(--r-md);font-size:14px;
  margin-bottom:18px;border:1px solid transparent;font-weight:500;
  display:flex;align-items:center;gap:10px;
}
.alert--error{background:var(--danger-soft);color:#7f1d1d;border-color:#fecaca}
.alert--success{background:var(--success-soft);color:#064e3b;border-color:#a7f3d0}
.alert--info{background:var(--blue-soft);color:#1e3a8a;border-color:#bfdbfe}
.alert--warn{background:var(--gold-soft);color:#78350f;border-color:#fde68a}

/* TOAST */
.toast{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border-radius:var(--r-md);
  font-size:14px;font-weight:600;margin-bottom:20px;
  box-shadow:var(--sh-lg);
  animation:slideDown .3s cubic-bezier(.4,0,.2,1);
  backdrop-filter:saturate(180%) blur(8px);
}
.toast--success{background:linear-gradient(135deg,#ecfdf5,#d1fae5);color:#064e3b;border-left:4px solid var(--success)}
.toast--error{background:linear-gradient(135deg,#fef2f2,#fee2e2);color:#7f1d1d;border-left:4px solid var(--danger)}
.toast--info{background:linear-gradient(135deg,#eff6ff,#dbeafe);color:#1e3a8a;border-left:4px solid var(--blue)}
.toast--warn{background:linear-gradient(135deg,#fffbeb,#fef3c7);color:#78350f;border-left:4px solid var(--gold)}
.toast__x{background:none;border:0;font-size:22px;line-height:1;cursor:pointer;color:inherit;opacity:.55;padding:0 6px;transition:opacity .15s}
.toast__x:hover{opacity:1}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@keyframes slideUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.toast-stack{position:fixed;top:18px;right:18px;z-index:9999;display:flex;flex-direction:column;gap:10px;max-width:360px}
.toast-stack .toast{margin:0;animation:slideIn .28s cubic-bezier(.4,0,.2,1)}
@keyframes slideIn{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}

/* EMPTY STATE */
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty__icon{
  font-size:56px;margin-bottom:16px;opacity:.85;
  filter:drop-shadow(0 6px 16px rgba(0,115,54,.12));
}
.empty h3{font-size:18px;font-weight:800;color:var(--text);margin:0 0 8px;letter-spacing:-.02em}
.empty p{font-size:14px;margin:0 0 20px;max-width:400px;margin-left:auto;margin-right:auto;line-height:1.6}

/* FOOTER */
.foot{border-top:1px solid var(--border);background:rgba(255,255,255,.7);backdrop-filter:blur(8px);margin-top:40px}
.foot__inner{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px;font-size:13px;color:var(--muted);flex-wrap:wrap;font-weight:500}
.foot__muted{opacity:.7}

/* AUTH */
.auth{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:22px;
  background:
    radial-gradient(circle at 15% 20%,rgba(0,166,81,.35),transparent 50%),
    radial-gradient(circle at 85% 80%,rgba(253,184,19,.22),transparent 50%),
    linear-gradient(135deg,#003d1e 0%,#006432 50%,#004d24 100%);
  position:relative;overflow:hidden;
}
.auth::before{
  content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background-image:
    radial-gradient(circle,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:30px 30px;
  animation:drift 60s linear infinite;
}
@keyframes drift{to{transform:translate(30px,30px)}}
.auth__card{
  width:100%;max-width:440px;background:#fff;
  border-radius:26px;padding:40px 34px;
  box-shadow:var(--sh-xl),0 0 0 1px rgba(255,255,255,.1);
  position:relative;z-index:2;
  animation:popIn .5s cubic-bezier(.4,0,.2,1);
}
@keyframes popIn{from{opacity:0;transform:scale(.94) translateY(20px)}to{opacity:1;transform:none}}
.auth__logo{
  width:70px;height:70px;border-radius:20px;margin:0 auto 20px;
  background:linear-gradient(135deg,var(--green),var(--green-deep));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:22px;
  box-shadow:0 12px 32px var(--green-glow),0 0 0 4px rgba(255,255,255,.5) inset;
}
.auth__title{text-align:center;font-size:24px;font-weight:800;margin:0 0 6px;letter-spacing:-.03em;background:linear-gradient(135deg,var(--text),var(--green-dark));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.auth__sub{text-align:center;font-size:14px;color:var(--muted);margin:0 0 28px;font-weight:500}
.auth__foot{text-align:center;font-size:12px;color:var(--muted);margin-top:26px;padding-top:20px;border-top:1px solid var(--border)}

/* RESPONSIVE */
@media (max-width:768px){
  .wrap{padding:18px 14px 90px}
  .navtoggle{display:flex}
  .nav{
    position:fixed;top:var(--topbar-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(255,255,255,.98);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
    padding:14px 16px 20px;box-shadow:var(--sh-lg);
    transform:translateY(-115%);opacity:0;pointer-events:none;
    transition:transform .28s cubic-bezier(.4,0,.2,1),opacity .2s;
    max-height:calc(100vh - var(--topbar-h));overflow-y:auto;
  }
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:14px;font-size:15px;min-height:48px;display:flex;align-items:center}
  .nav__user{margin:12px 0 0;padding:14px 0 0;border-left:0;border-top:1px solid var(--border);justify-content:space-between}
  .brand__text{font-size:14px}
  .brand__mark,.brand__logo{width:38px;height:38px}
  .form-grid,.form-grid--3{grid-template-columns:1fr}
  .page-head h1{font-size:21px}
  .card{padding:18px;border-radius:var(--r-md)}
  .card::before{height:2px}
  .table-scroll{margin:0 -18px;padding:0 18px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .stat{padding:15px 16px}
  .stat__value{font-size:24px}
  .btn{min-height:48px;font-size:15px;padding:12px 18px}
  .btn--sm{min-height:40px;font-size:14px}
}
@media (max-width:400px){
  .stats{grid-template-columns:1fr}
}

/* PRINT */
@media print{
  .topbar,.foot,.mobilebar,.btn,.no-print,.toast,.toast-stack{display:none !important}
  body{background:#fff;padding:0}
  .wrap{max-width:none;padding:0;margin:0}
  .card{box-shadow:none;border:0;padding:0;margin:0}
  .card::before{display:none}
}