/* ══════════════════════════════════════════════════════════
   KeyFlux — Premium SaaS UI v2
   Glassmorphism · Gradient Mesh · Space Grotesk
   ══════════════════════════════════════════════════════════ */

:root {
  --bg:        #04050d;
  --bg2:       #080b18;
  --glass:     rgba(255,255,255,.04);
  --glass-b:   rgba(255,255,255,.08);
  --border:    rgba(255,255,255,.08);
  --border-h:  rgba(255,255,255,.15);

  --blue:      #3b82f6;
  --purple:    #8b5cf6;
  --cyan:      #06b6d4;
  --green:     #10b981;
  --red:       #ef4444;
  --amber:     #f59e0b;

  --grad:      linear-gradient(135deg, #3b82f6, #8b5cf6);
  --grad2:     linear-gradient(135deg, #06b6d4, #3b82f6);

  --text:      #f1f5f9;
  --text-2:    #94a3b8;
  --text-3:    #475569;

  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 8px 32px rgba(0,0,0,.5);
  --glow-blue: 0 0 30px rgba(59,130,246,.25);
  --glow-purple: 0 0 30px rgba(139,92,246,.25);

  --font: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  /* Mesh gradient background */
  background-image:
    radial-gradient(ellipse 80vw 60vh at 10% -10%, rgba(59,130,246,.12) 0%, transparent 60%),
    radial-gradient(ellipse 60vw 50vh at 90% 5%,  rgba(139,92,246,.1)  0%, transparent 55%),
    radial-gradient(ellipse 50vw 40vh at 50% 100%, rgba(6,182,212,.06) 0%, transparent 60%);
  background-attachment: fixed;
}

/* ── Dot grid overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.wrap {
  position: relative; z-index: 1;
  max-width: 1160px; margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 32px) 60px;
}

/* ══ NAVBAR ══════════════════════════════════════════════════ */
.navbar {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(4,5,13,.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem clamp(16px, 3vw, 32px);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.1rem; font-weight: 700; letter-spacing: -.02em;
}
.nav-logo {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: #fff; font-weight: 800;
  box-shadow: var(--glow-blue);
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: var(--text-2); text-decoration: none;
  font-size: .85rem; font-weight: 500;
  padding: .45rem .9rem; border-radius: var(--radius-sm);
  transition: all .2s;
}
.nav-links a:hover { color: var(--text); background: var(--glass); }
.nav-links a.active { color: var(--text); background: var(--glass-b); }

/* ══ ALERTS ══════════════════════════════════════════════════ */
.alert {
  padding: .8rem 1.1rem; border-radius: var(--radius-sm);
  margin: 1rem 0; font-size: .875rem; font-weight: 500;
  backdrop-filter: blur(8px);
}
.alert-danger  { background: rgba(239,68,68,.12);  border: 1px solid rgba(239,68,68,.3);  color: #fca5a5; }
.alert-success { background: rgba(16,185,129,.12); border: 1px solid rgba(16,185,129,.3); color: #6ee7b7; }

/* ══ AUTH ════════════════════════════════════════════════════ */
.auth-wrapper {
  min-height: calc(100vh - 60px);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem 1rem;
}
.auth-card {
  width: 100%; max-width: 420px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow), var(--glow-purple);
}
.auth-logo {
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 900; color: #fff;
  margin-bottom: 1.5rem;
  box-shadow: var(--glow-blue);
}
.auth-title {
  font-size: 1.6rem; font-weight: 700;
  letter-spacing: -.03em; margin-bottom: .4rem;
}
.auth-sub { color: var(--text-2); font-size: .9rem; margin-bottom: 1.75rem; }
.auth-link {
  text-align: center; margin-top: 1.25rem;
  font-size: .85rem; color: var(--text-3);
}
.auth-link a { color: var(--blue); text-decoration: none; font-weight: 500; }
.auth-link a:hover { text-decoration: underline; }

/* ══ FORMS ═══════════════════════════════════════════════════ */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block; font-size: .78rem; font-weight: 600;
  color: var(--text-2); margin-bottom: .5rem;
  text-transform: uppercase; letter-spacing: .06em;
}
.form-group input,
.form-group select,
.form-group textarea,
#input-keys {
  display: block; width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font); font-size: .9rem;
  padding: .7rem 1rem; outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
#input-keys:focus {
  border-color: var(--blue);
  background: rgba(59,130,246,.06);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-group textarea { resize: vertical; min-height: 110px; }
#input-keys {
  min-height: 340px; resize: vertical;
  font-family: var(--font-mono); font-size: .82rem; line-height: 1.8;
}
#input-keys::placeholder { color: var(--text-3); }
::placeholder { color: var(--text-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Inline num input */
.num {
  width: 110px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font); font-size: .9rem;
  padding: .7rem 1rem; outline: none;
  font-variant-numeric: tabular-nums;
  transition: border-color .2s;
}
.num:focus { border-color: var(--blue); }
.field-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: end; margin-top: 1rem; }

/* ══ BUTTONS ════════════════════════════════════════════════ */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--grad);
  color: #fff; border: none; border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .9rem; font-weight: 600;
  padding: .75rem 1.5rem; cursor: pointer;
  transition: opacity .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 14px rgba(59,130,246,.35);
  text-decoration: none;
}
.btn-primary:hover { opacity: .9; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(59,130,246,.45); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-full { width: 100%; }

.btn-outline, .tbtn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--glass); border: 1px solid var(--border);
  color: var(--text-2); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .82rem; font-weight: 500;
  padding: .55rem 1rem; cursor: pointer;
  text-decoration: none; transition: all .2s;
}
.btn-outline:hover, .tbtn:hover {
  border-color: var(--border-h); color: var(--text);
  background: var(--glass-b);
}
.tbtn.danger:hover { border-color: rgba(239,68,68,.5); color: #fca5a5; }
.btn-sm { padding: .4rem .8rem; font-size: .78rem; }

/* ══ STATS ═══════════════════════════════════════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.stat {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  backdrop-filter: blur(8px);
  transition: border-color .2s, transform .2s, box-shadow .2s;
  position: relative; overflow: hidden;
}
.stat::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--grad);
  opacity: 0; transition: opacity .3s;
}
.stat:hover { border-color: var(--border-h); transform: translateY(-2px); }
.stat:hover::before { opacity: 1; }
.stat[data-c="blue"]:hover  { box-shadow: var(--glow-blue); }
.stat[data-c="purple"]:hover { box-shadow: var(--glow-purple); }
.stat[data-c="green"]:hover  { box-shadow: 0 0 24px rgba(16,185,129,.2); }
.stat[data-c="red"]:hover    { box-shadow: 0 0 24px rgba(239,68,68,.2); }

.stat-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; margin-bottom: .75rem;
}
.stat[data-c="blue"]   .stat-icon { background: rgba(59,130,246,.15); }
.stat[data-c="purple"] .stat-icon { background: rgba(139,92,246,.15); }
.stat[data-c="green"]  .stat-icon { background: rgba(16,185,129,.15); }
.stat[data-c="red"]    .stat-icon { background: rgba(239,68,68,.15); }

.stat .v {
  font-size: 1.65rem; font-weight: 700; letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.stat[data-c="blue"]   .v { color: #60a5fa; }
.stat[data-c="purple"] .v { color: #a78bfa; }
.stat[data-c="green"]  .v { color: #34d399; }
.stat[data-c="red"]    .v { color: #f87171; }

.stat .k {
  font-size: .75rem; color: var(--text-3);
  margin-top: .4rem; font-weight: 500;
}

/* ══ PAGE HEADER ═════════════════════════════════════════════ */
.page-head {
  padding: 2.5rem 0 1.75rem;
}
.page-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(59,130,246,.12);
  border: 1px solid rgba(59,130,246,.25);
  border-radius: 999px; padding: 4px 12px;
  font-size: .72rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: #60a5fa;
  margin-bottom: .75rem;
}
.page-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800; letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--text) 30%, var(--text-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.page-lede { color: var(--text-2); font-size: .9rem; margin-top: .5rem; line-height: 1.65; }

/* ══ BOARD (2-col layout) ════════════════════════════════════ */
.board {
  display: grid;
  grid-template-columns: minmax(0, 45fr) minmax(0, 55fr);
  gap: 20px; align-items: start;
}
@media (max-width: 900px) { .board { grid-template-columns: 1fr; } }

/* ══ CARD ════════════════════════════════════════════════════ */
.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color .2s;
}
.card:hover { border-color: var(--border-h); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  gap: .75rem; flex-wrap: wrap;
}
.card-header h2 {
  font-size: .95rem; font-weight: 700; letter-spacing: -.02em;
}
.card-body { padding: 1.25rem; }

/* ══ SEG BUTTONS (platform) ══════════════════════════════════ */
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button {
  font-family: var(--font); font-size: .8rem; font-weight: 600;
  color: var(--text-2); letter-spacing: .04em;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: .45rem .9rem;
  cursor: pointer; transition: all .18s;
}
.seg button:hover { color: var(--text); border-color: var(--border-h); background: var(--glass-b); }
.seg button.on {
  background: rgba(59,130,246,.18);
  border-color: rgba(59,130,246,.4);
  color: #60a5fa;
}

/* ══ OUTPUT AREA ════════════════════════════════════════════ */
.lbl {
  display: flex; align-items: center; justify-content: space-between;
  font-size: .72rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-3); margin-bottom: 8px;
}
.lbl .cnt { color: var(--green); letter-spacing: .04em; }

.out-tools {
  display: flex; align-items: center; gap: 6px; margin-bottom: 10px;
}
.out-tools .otitle {
  flex: 1; font-size: .72rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-3);
  display: flex; align-items: center; gap: 6px;
}

.out {
  position: relative; min-height: 460px; max-height: 72vh;
  background: rgba(0,0,0,.25);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.out-scroll {
  height: 100%; max-height: 72vh;
  overflow-y: auto; padding: 14px 16px;
}
.out-scroll::-webkit-scrollbar { width: 6px; }
.out-scroll::-webkit-scrollbar-track { background: transparent; }
.out-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.scanline {
  position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: var(--grad); opacity: 0; pointer-events: none;
  box-shadow: 0 0 20px rgba(59,130,246,.8);
}
.scanline.run { animation: scan 700ms cubic-bezier(.4,0,.2,1) forwards; }
@keyframes scan {
  0%   { opacity: 1; transform: translateY(-2px); }
  85%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(72vh); }
}

.empty {
  height: 420px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .75rem;
  color: var(--text-3); font-size: .85rem;
}
.empty-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--glass-b); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.cur {
  display: inline-block; width: 7px; height: 14px;
  background: var(--text-3); vertical-align: -2px; margin-left: 2px;
  animation: blink 1.2s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Key rows */
.key-row {
  display: grid; grid-template-columns: 32px 1fr;
  gap: 10px; align-items: center;
  padding: 5px 6px; border-radius: 6px;
  font-size: .8rem;
}
.key-row:nth-child(even) { background: rgba(255,255,255,.02); }
.key-row .ix { color: var(--text-3); font-size: .7rem; text-align: right; font-variant-numeric: tabular-nums; }
.key-row .seq {
  color: #93c5fd; font-family: var(--font-mono);
  word-break: break-all; letter-spacing: .03em;
}
.key-row.in { animation: rowin .28s ease both; }
@keyframes rowin {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: none; }
}

/* ══ BADGES ═════════════════════════════════════════════════ */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; border-radius: 6px;
  padding: 3px 8px;
}
.badge          { background: rgba(59,130,246,.15);  color: #60a5fa;  border: 1px solid rgba(59,130,246,.3);  }
.badge.green    { background: rgba(16,185,129,.15);  color: #34d399;  border: 1px solid rgba(16,185,129,.3);  }
.badge.red      { background: rgba(239,68,68,.15);   color: #f87171;  border: 1px solid rgba(239,68,68,.3);   }
.badge.purple   { background: rgba(139,92,246,.15);  color: #a78bfa;  border: 1px solid rgba(139,92,246,.3);  }
.badge.amber    { background: rgba(245,158,11,.15);  color: #fbbf24;  border: 1px solid rgba(245,158,11,.3);  }

/* ══ TOKEN BOX ══════════════════════════════════════════════ */
.token-box {
  display: flex; align-items: center; gap: .75rem;
  background: rgba(0,0,0,.25); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: .75rem 1rem; margin-bottom: .5rem;
}
.token-box code {
  flex: 1; font-family: var(--font-mono); font-size: .75rem;
  color: #34d399; word-break: break-all; letter-spacing: .03em;
}
.copy-btn {
  flex-shrink: 0; background: transparent; border: none;
  color: var(--text-3); cursor: pointer; font-size: .95rem;
  padding: 3px 6px; border-radius: 5px; transition: all .15s;
}
.copy-btn:hover { background: var(--glass-b); color: var(--text); }

/* ══ TABLE ══════════════════════════════════════════════════ */
.table { width: 100%; border-collapse: collapse; font-size: .83rem; }
.table th {
  text-align: left; padding: .6rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-3); font-weight: 600;
  font-size: .7rem; letter-spacing: .07em; text-transform: uppercase;
}
.table td { padding: .7rem 1rem; border-bottom: 1px solid rgba(255,255,255,.04); color: var(--text-2); }
.table td strong { color: var(--text); font-weight: 600; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,.02); }

/* ══ INLINE FORM (admin) ════════════════════════════════════ */
.inline-form { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.inline-form input,
.inline-form select {
  background: rgba(255,255,255,.05); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--font); font-size: .8rem;
  padding: .35rem .65rem; outline: none;
}
.inline-form input:focus, .inline-form select:focus { border-color: var(--blue); }

/* ══ COST PREVIEW ═══════════════════════════════════════════ */
.cost-preview {
  background: rgba(16,185,129,.08); border: 1px solid rgba(16,185,129,.2);
  border-radius: var(--radius-sm); padding: .6rem .9rem;
  font-size: .82rem; color: #34d399; margin-bottom: .85rem;
}

/* ══ TOAST ══════════════════════════════════════════════════ */
.toast {
  position: fixed; left: 50%; bottom: 28px;
  transform: translate(-50%, 150%);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-h);
  color: var(--text); font-family: var(--font); font-size: .85rem; font-weight: 500;
  padding: .7rem 1.25rem; border-radius: 999px;
  box-shadow: 0 8px 32px rgba(0,0,0,.6);
  z-index: 999; transition: transform .35s cubic-bezier(.2,.9,.25,1);
  white-space: nowrap;
}
.toast.show { transform: translate(-50%, 0); }

/* ══ DIVIDER LABEL ══════════════════════════════════════════ */
.section-label {
  font-size: .7rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-3);
  padding: 8px 0; border-bottom: 1px solid var(--border);
  margin-bottom: 10px; display: flex; gap: 8px; align-items: center;
}
.section-label b { color: var(--blue); }

/* ══ MISC ═══════════════════════════════════════════════════ */
.hint { font-size: .78rem; color: var(--text-3); margin-top: .35rem; line-height: 1.65; }
.page-title-lg {
  font-size: 1.5rem; font-weight: 700; letter-spacing: -.03em; margin-bottom: 1.25rem;
}

/* ══ RESPONSIVE ═════════════════════════════════════════════ */
@media (max-width: 640px) {
  .form-row   { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .board      { grid-template-columns: 1fr; }
  .field-row  { grid-template-columns: 1fr; }
  .page-head  { padding: 1.5rem 0 1rem; }
}

::selection { background: rgba(59,130,246,.35); color: #fff; }