/* =========================================================
   X-CORE — Sandi & Enkripsi | Design tokens
========================================================= */
:root{
  --bg:#0a0b10;
  --bg-elevated:#101219;
  --card:#14161f;
  --card-hover:#191c26;
  --border:#232634;
  --text:#edeef3;
  --text-dim:#9a9fb0;
  --text-faint:#565b6c;
  --accent:#7c6cf5;
  --accent-bright:#9587ff;
  --accent-soft:rgba(124,108,245,0.12);
  --accent-line:rgba(124,108,245,0.38);
  --teal:#22d3b0;
  --teal-soft:rgba(34,211,176,0.12);
  --teal-line:rgba(34,211,176,0.38);
  --danger:#f0716f;
  --danger-soft:rgba(240,113,111,0.12);
  --gold:#e0b559;
  --radius-lg:18px;
  --radius-md:13px;
  --radius-sm:9px;
  --shadow-card:0 1px 0 rgba(255,255,255,0.03) inset, 0 10px 30px -16px rgba(0,0,0,0.65);
  --ease:cubic-bezier(.22,.61,.36,1);
  --safe-b:env(safe-area-inset-bottom, 0px);
  --safe-t:env(safe-area-inset-top, 0px);
  --tabbar-h:64px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ color-scheme:dark; }
body{
  background:var(--bg); color:var(--text); font-family:'Inter', system-ui, sans-serif;
  min-height:100vh; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
::selection{ background:var(--accent-soft); color:var(--accent-bright); }
::-webkit-scrollbar{ width:9px; height:9px; }
::-webkit-scrollbar-track{ background:transparent; }
::-webkit-scrollbar-thumb{ background:var(--border); border-radius:8px; }
button{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; border-radius:6px; }
.hidden{ display:none !important; }

.bg-fx{
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(700px 420px at 15% -8%, rgba(124,108,245,0.10), transparent 60%),
    radial-gradient(600px 380px at 100% 10%, rgba(34,211,176,0.06), transparent 55%);
}

/* Boot skeleton */
.boot-skel{
  position:fixed; inset:0; background:var(--bg); z-index:999;
  display:flex; align-items:center; justify-content:center;
  transition:opacity .45s var(--ease), visibility .45s var(--ease);
}
.boot-skel.hide{ opacity:0; visibility:hidden; }
.boot-ring{ width:44px; height:44px; color:var(--accent); }
.boot-ring svg{ width:100%; height:100%; animation:spin 1s linear infinite; }
.boot-ring circle{ fill:none; stroke:currentColor; stroke-width:3.4; stroke-linecap:round; stroke-dasharray:80; stroke-dashoffset:56; }
@keyframes spin{ to{ transform:rotate(360deg); } }

/* Layout */
.wrap{
  max-width:560px; margin:0 auto;
  padding:calc(20px + var(--safe-t)) 16px calc(var(--tabbar-h) + var(--safe-b) + 28px);
  animation:pageIn .5s var(--ease) both;
}
@keyframes pageIn{ from{ opacity:0; transform:translateY(8px);} to{ opacity:1; transform:translateY(0);} }

.app-header{ margin-bottom:16px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{
  width:40px; height:40px; border-radius:12px; flex-shrink:0;
  background:linear-gradient(155deg, var(--accent-soft), rgba(124,108,245,0.02));
  border:1px solid var(--accent-line);
  display:flex; align-items:center; justify-content:center; color:var(--accent-bright);
  animation:pulseGlow 3s ease-in-out infinite;
}
.brand-mark svg{ width:21px; height:21px; }
@keyframes pulseGlow{
  0%,100%{ box-shadow:0 0 0 0 rgba(124,108,245,0.0); }
  50%{ box-shadow:0 0 0 6px rgba(124,108,245,0.06); }
}
.brand-text{ display:flex; flex-direction:column; line-height:1.2; min-width:0; }
.brand-text b{ font-family:'Space Grotesk', sans-serif; font-size:18px; font-weight:700; letter-spacing:0.3px; }
.brand-text span{ font-size:11px; color:var(--text-faint); margin-top:2px; }

/* Pages (stacked, cross-fade) */
.page{
  position:relative; opacity:0; transform:translateY(10px) scale(.99);
  pointer-events:none; height:0; overflow:hidden;
  transition:opacity .32s var(--ease), transform .32s var(--ease);
}
.page.active{ opacity:1; transform:translateY(0) scale(1); pointer-events:auto; height:auto; overflow:visible; }

.page-title-row{ display:flex; align-items:center; justify-content:space-between; margin-bottom:14px; }
.page-title-row h2{ font-family:'Space Grotesk', sans-serif; font-size:17px; font-weight:600; }
.info-btn{
  width:34px; height:34px; border-radius:50%; background:var(--card); border:1px solid var(--border);
  color:var(--text-dim); display:flex; align-items:center; justify-content:center; cursor:pointer;
  transition:all .18s var(--ease); position:relative; overflow:hidden;
}
.info-btn:hover{ border-color:var(--accent-line); color:var(--accent-bright); }
.info-btn svg{ width:17px; height:17px; }

/* Cards */
.card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card); padding:16px; margin-bottom:14px;
  animation:riseIn .5s var(--ease) both;
}
@keyframes riseIn{ from{ opacity:0; transform:translateY(10px);} to{ opacity:1; transform:translateY(0);} }
.card-label{ font-size:12px; font-weight:600; color:var(--text-dim); letter-spacing:.2px; }
.card-label-row{ display:flex; justify-content:space-between; align-items:center; margin-bottom:9px; }
.counter{ font-family:'JetBrains Mono', monospace; font-size:10.5px; color:var(--text-faint); }

.chips{ display:flex; gap:8px; flex-wrap:wrap; margin-top:10px; }
.chip{
  background:var(--bg-elevated); border:1px solid var(--border); color:var(--text-dim);
  font-size:12.5px; font-weight:500; padding:8px 14px; border-radius:20px; cursor:pointer;
  transition:all .18s var(--ease); min-height:36px;
}
.chip:hover{ border-color:var(--text-faint); color:var(--text); }
.chip.active{ background:var(--accent-soft); border-color:var(--accent-line); color:var(--accent-bright); }

textarea{
  width:100%; min-height:120px; resize:vertical;
  background:var(--bg-elevated); border:1px solid var(--border); color:var(--text);
  font-family:'JetBrains Mono', monospace; font-size:13px; line-height:1.6;
  padding:12px 13px; border-radius:var(--radius-sm);
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
textarea::placeholder{ color:var(--text-faint); font-family:'Inter',sans-serif; }
textarea:focus{ outline:none; border-color:var(--accent-line); background:#101219; }
textarea[readonly]{ color:var(--teal); }

/* Buttons */
.action-row{ display:flex; gap:10px; margin-bottom:14px; flex-wrap:wrap; }
.btn{
  position:relative; overflow:hidden;
  display:flex; align-items:center; justify-content:center; gap:8px;
  font-size:13.5px; font-weight:600; border:none; border-radius:var(--radius-sm);
  padding:12px 16px; cursor:pointer; min-height:46px;
  transition:transform .16s var(--ease), filter .16s var(--ease), box-shadow .16s var(--ease), background .16s var(--ease);
}
.btn:active{ transform:scale(.97); }
.btn-icon{ width:17px; height:17px; display:flex; flex-shrink:0; }
.btn-icon svg{ width:100%; height:100%; transition:transform .3s var(--ease); }

.btn-primary{
  flex:1; min-width:120px;
  background:linear-gradient(155deg, var(--accent-bright), var(--accent)); color:#0d0a1f;
  box-shadow:0 8px 20px -10px rgba(124,108,245,0.6);
}
.btn-primary:hover{ filter:brightness(1.07); }
.btn-primary.working .btn-icon svg{ animation:spin .6s linear infinite; }

.btn-secondary{
  flex:1; min-width:120px;
  background:linear-gradient(155deg, var(--teal), #17b195); color:#04231c;
  box-shadow:0 8px 20px -10px rgba(34,211,176,0.5);
}
.btn-secondary:hover{ filter:brightness(1.07); }
.btn-secondary.working .btn-icon svg{ animation:spin .6s linear infinite; }

.btn-icon-only{
  width:46px; flex:0 0 46px; padding:0;
  background:var(--card); border:1px solid var(--border); color:var(--text-dim);
}
.btn-icon-only:hover{ border-color:var(--text-faint); color:var(--text); background:var(--card-hover); }
[id$="BtnReset"]:hover{ border-color:var(--danger); color:var(--danger); background:var(--danger-soft); }
.btn-icon-only svg{ width:18px; height:18px; }
.btn-icon-only.spun svg{ animation:swapSpin .45s var(--ease); }
@keyframes swapSpin{ from{ transform:rotate(0);} to{ transform:rotate(180deg);} }

.output-tools{ display:flex; gap:10px; margin-top:12px; }
.btn-ghost{
  flex:1; background:var(--bg-elevated); border:1px solid var(--border); color:var(--text-dim);
  min-height:42px; font-size:12.5px;
}
.btn-ghost:hover{ border-color:var(--text-faint); color:var(--text); }
.btn-ghost.copied{ border-color:var(--teal-line); color:var(--teal); background:var(--teal-soft); }
.btn-ghost .btn-icon svg{ width:15px; height:15px; }

.ripple-btn{ -webkit-tap-highlight-color:transparent; }
.ripple{
  position:absolute; border-radius:50%; background:rgba(255,255,255,0.28);
  transform:scale(0); pointer-events:none; animation:rippleAnim .55s ease-out forwards;
}
@keyframes rippleAnim{ to{ transform:scale(2.6); opacity:0; } }

/* Segmented control (Teks / File) */
.seg2{ display:flex; background:var(--bg-elevated); border:1px solid var(--border); border-radius:11px; padding:4px; gap:4px; margin-top:8px; }
.seg2-btn{
  flex:1; background:transparent; border:none; color:var(--text-dim); font-size:12.5px; font-weight:600;
  padding:9px; border-radius:8px; cursor:pointer; transition:all .18s var(--ease);
}
.seg2-btn.active{ background:var(--accent); color:#0d0a1f; }

/* Password field */
.pw-row{ display:flex; gap:8px; margin-top:8px; }
.pw-row input{
  flex:1; min-width:0; background:var(--bg-elevated); border:1px solid var(--border); color:var(--text);
  font-family:'JetBrains Mono', monospace; font-size:13.5px; padding:11px 13px; border-radius:var(--radius-sm);
  letter-spacing:0.5px;
}
.pw-row input:focus{ outline:none; border-color:var(--accent-line); }
.pw-row input::placeholder{ font-family:'Inter',sans-serif; letter-spacing:normal; color:var(--text-faint); }
.pw-eye, .pw-dice{
  width:44px; flex:0 0 44px; background:var(--bg-elevated); border:1px solid var(--border); color:var(--text-dim);
  border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; cursor:pointer;
  transition:all .18s var(--ease); position:relative; overflow:hidden;
}
.pw-eye:hover, .pw-dice:hover{ color:var(--text); border-color:var(--text-faint); }
.pw-eye svg, .pw-dice svg{ width:18px; height:18px; }
.pw-dice.spin svg{ animation:spin .5s var(--ease); }

.pw-strength{ display:flex; align-items:center; gap:9px; margin-top:10px; }
.pw-strength-bar{ flex:1; height:5px; background:var(--bg-elevated); border-radius:6px; overflow:hidden; display:flex; gap:3px; }
.pw-strength-bar span{
  display:block; height:100%; width:0%; border-radius:6px;
  background:var(--danger); transition:width .25s var(--ease), background .25s var(--ease);
}
.pw-strength em{ font-style:normal; font-size:10.5px; color:var(--text-faint); min-width:64px; text-align:right; }

/* Dropzone (file mode) */
.dropzone{
  border:1.5px dashed var(--border); border-radius:var(--radius-md); padding:26px 16px; text-align:center;
  background:var(--bg-elevated); cursor:pointer; margin-top:8px;
  transition:border-color .25s var(--ease), background .25s var(--ease);
}
.dropzone:hover{ border-color:var(--text-faint); }
.dropzone.drag-over{ border-color:var(--accent); background:var(--accent-soft); }
.dz-icon{ width:38px; height:38px; margin:0 auto 10px; color:var(--accent-bright); animation:floatY 3s ease-in-out infinite; }
@keyframes floatY{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-5px);} }
.dz-icon svg{ width:100%; height:100%; }
.dz-title{ font-weight:600; font-size:13.5px; margin-bottom:3px; }
.dz-sub{ font-size:11px; color:var(--text-faint); }
input[type=file]{ display:none; }

.file-chip{
  display:flex; align-items:center; gap:10px; background:var(--bg-elevated); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:10px 12px; margin-top:10px; animation:riseIn .3s var(--ease) both;
}
.fc-icon{ width:20px; height:20px; color:var(--accent-bright); flex-shrink:0; }
.fc-icon svg{ width:100%; height:100%; }
.fc-name{ flex:1; font-size:12.5px; font-family:'JetBrains Mono',monospace; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.fc-remove{ width:26px; height:26px; flex-shrink:0; background:transparent; border:none; color:var(--text-faint); cursor:pointer; display:flex; align-items:center; justify-content:center; border-radius:6px; }
.fc-remove:hover{ color:var(--danger); background:var(--danger-soft); }
.fc-remove svg{ width:15px; height:15px; }

/* Credit / copyright */
.credit{
  display:flex; align-items:center; justify-content:center; gap:9px; margin-top:26px; padding:14px 0;
  border-top:1px solid var(--border);
}
.credit-logo{
  width:20px; height:20px; color:var(--gold); flex-shrink:0;
  animation:creditSpin 6s linear infinite;
}
.credit-logo svg{ width:100%; height:100%; }
@keyframes creditSpin{ to{ transform:rotate(360deg); } }
.credit-text{
  font-size:11px; letter-spacing:.2px;
  background:linear-gradient(90deg, var(--text-faint) 0%, var(--gold) 18%, var(--text-faint) 36%, var(--text-faint) 100%);
  background-size:260% 100%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:shimmerText 5s linear infinite;
}
.credit-text b{ color:inherit; }
@keyframes shimmerText{ from{ background-position:200% 0; } to{ background-position:-60% 0; } }

/* =========================================================
   Bottom Tab Bar
========================================================= */
.tabbar{
  position:fixed; left:0; right:0; bottom:0; z-index:150;
  height:calc(var(--tabbar-h) + var(--safe-b)); padding-bottom:var(--safe-b);
  background:rgba(16,18,25,0.88); backdrop-filter:blur(14px);
  border-top:1px solid var(--border);
  display:flex; max-width:560px; margin:0 auto;
}
.tab-btn{
  flex:1; background:transparent; border:none; color:var(--text-faint); cursor:pointer;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
  position:relative; transition:color .2s var(--ease);
}
.tab-icon{ width:22px; height:22px; position:relative; transition:transform .3s var(--ease); }
.tab-icon svg{ width:100%; height:100%; }
.tab-label{ font-size:10px; font-weight:600; letter-spacing:.2px; }
.tab-dot{
  position:absolute; top:2px; width:4px; height:4px; border-radius:50%; background:var(--accent-bright);
  opacity:0; transform:scale(0); transition:all .3s var(--ease);
}
.tab-btn.active{ color:var(--accent-bright); }
.tab-btn.active .tab-icon{ animation:tabPop .4s var(--ease); }
.tab-btn.active .tab-dot{ opacity:1; transform:scale(1); }
.tab-btn:nth-child(2).active{ color:var(--teal); }
.tab-btn:nth-child(2).active .tab-dot{ background:var(--teal); }
@keyframes tabPop{
  0%{ transform:scale(1); }
  40%{ transform:scale(1.28) rotate(-6deg); }
  70%{ transform:scale(0.94) rotate(2deg); }
  100%{ transform:scale(1) rotate(0); }
}
.tab-btn::after{
  content:''; position:absolute; bottom:0; left:50%; width:0; height:2.5px; border-radius:3px;
  background:currentColor; transform:translateX(-50%); transition:width .3s var(--ease);
}
.tab-btn.active::after{ width:26px; }

/* =========================================================
   Modal
========================================================= */
.modal-bg{
  position:fixed; inset:0; background:rgba(6,7,8,0.82); backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center; z-index:300; padding:22px;
  opacity:0; pointer-events:none; transition:opacity .22s var(--ease);
}
.modal-bg.show{ opacity:1; pointer-events:auto; }
.modal-box{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg);
  max-width:420px; width:100%; max-height:80vh; overflow:hidden; display:flex; flex-direction:column;
  transform:translateY(16px) scale(.98); transition:transform .25s var(--ease);
  box-shadow:0 30px 70px -20px rgba(0,0,0,0.7);
}
.modal-bg.show .modal-box{ transform:translateY(0) scale(1); }
.modal-head{ display:flex; align-items:center; justify-content:space-between; padding:15px 16px; border-bottom:1px solid var(--border); gap:12px; }
.modal-head .fname{ font-weight:700; font-size:14.5px; font-family:'Space Grotesk',sans-serif; }
.modal-body{ padding:16px; overflow:auto; font-size:13px; line-height:1.75; color:var(--text-dim); }
.modal-body p{ margin-bottom:10px; }
.modal-body p:last-child{ margin-bottom:0; }
.modal-body b{ color:var(--text); }
.modal-body .warn-box{
  display:flex; gap:9px; background:var(--danger-soft); border:1px solid rgba(240,113,111,0.3);
  border-radius:10px; padding:10px 12px; margin-top:10px; font-size:12px; color:var(--text-dim);
}
.modal-body .warn-box svg{ width:16px; height:16px; color:var(--danger); flex-shrink:0; margin-top:1px; }
.icon-btn{
  width:32px; height:32px; border-radius:8px; background:var(--bg-elevated); border:1px solid var(--border);
  color:var(--text-dim); display:flex; align-items:center; justify-content:center; cursor:pointer;
}
.icon-btn:hover{ color:var(--text); border-color:var(--text-faint); }
.icon-btn svg{ width:15px; height:15px; }

/* Toasts */
.toast-host{
  position:fixed; bottom:calc(var(--tabbar-h) + var(--safe-b) + 14px); left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; gap:8px; z-index:200; width:calc(100% - 32px); max-width:400px;
  align-items:center;
}
.toast{
  background:var(--card); border:1px solid var(--border); border-radius:11px; padding:10px 16px;
  display:flex; align-items:center; gap:9px; font-size:12.5px; font-weight:500;
  box-shadow:0 14px 30px -14px rgba(0,0,0,0.7); animation:toastIn .3s var(--ease) both; max-width:100%;
}
@keyframes toastIn{ from{ opacity:0; transform:translateY(10px);} to{ opacity:1; transform:translateY(0);} }
.toast.out{ animation:toastOut .22s var(--ease) forwards; }
@keyframes toastOut{ to{ opacity:0; transform:translateY(10px); } }
.toast svg{ width:15px; height:15px; flex-shrink:0; }
.toast.success svg{ color:var(--teal); }
.toast.error svg{ color:var(--danger); }
.toast.info svg{ color:var(--accent-bright); }

/* Responsive / Android tuning */
@media (max-width:400px){
  .wrap{ padding-left:14px; padding-right:14px; }
  .brand-text b{ font-size:17px; }
  .btn-primary, .btn-secondary{ min-width:100%; }
  .action-row{ flex-direction:column; }
  .action-row .btn-icon-only{ width:100%; flex:1; }
}
@media (min-width:560px){
  .tabbar{ border-left:1px solid var(--border); border-right:1px solid var(--border); border-radius:20px 20px 0 0; }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration:0.001ms !important; animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
  }
}