/* ═══════════════════════════════════════════════════════════════
   KALI-NEXUS  —  nexus.css
   Cyberpunk Dark Theme  |  Phase 1  |  All steps
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --bg:           #070b13;
  --bg-alt:       #0d1117;
  --bg-panel:     rgba(10, 15, 25, 0.88);
  --bg-hover:     rgba(0, 229, 255, 0.04);

  --cyan:         #00e5ff;
  --cyan-dim:     rgba(0, 229, 255, 0.12);
  --cyan-glow:    rgba(0, 229, 255, 0.35);
  --cyan-mid:     rgba(0, 229, 255, 0.5);

  --purple:       #a855f7;
  --purple-dim:   rgba(168, 85, 247, 0.15);

  --green:        #10b981;
  --green-dim:    rgba(16, 185, 129, 0.18);

  --red:          #ef4444;
  --red-dim:      rgba(239, 68, 68, 0.18);

  --amber:        #f59e0b;
  --amber-dim:    rgba(245, 158, 11, 0.18);

  --text:         #dde6f0;
  --text-muted:   #5a7090;
  --text-dim:     #2a3a50;

  --border:       rgba(0, 229, 255, 0.09);
  --border-hover: rgba(0, 229, 255, 0.28);

  --font-ui:   'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;

  --sidebar-w: 58px;
  --hud-h:     52px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;

  --t-fast: 130ms ease;
  --t-mid:  240ms ease;
  --t-slow: 380ms ease;

  --glow-cyan:   0 0 22px rgba(0, 229, 255, 0.22);
  --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--border);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
code { font-family: var(--font-mono); color: var(--cyan); }

::-webkit-scrollbar          { width: 5px; height: 5px; }
::-webkit-scrollbar-track    { background: var(--bg-alt); }
::-webkit-scrollbar-thumb    { background: rgba(0,229,255,.18); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,229,255,.4); }

/* ── Keyframes ──────────────────────────────────────────────── */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-left {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 14px rgba(0,229,255,.12), var(--shadow-card); }
  50%       { box-shadow: 0 0 32px rgba(0,229,255,.32), var(--shadow-card); }
}

@keyframes border-flow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes glitch-a {
  0%,82%,100% { transform: translate(0); opacity: 1; }
  84%          { transform: translate(-4px, 2px); }
  86%          { transform: translate(4px,-2px); }
  88%          { transform: translate(-2px, 0); }
  90%          { opacity: 0; }
}

@keyframes glitch-b {
  0%,88%,100% { transform: translate(0); opacity: 1; }
  90%          { transform: translate(4px, 1px); }
  92%          { transform: translate(-4px, 0); }
  94%          { transform: translate(2px,-1px); }
  96%          { opacity: 0; }
}

@keyframes scan {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  15%      { transform: translateX(-8px); }
  30%      { transform: translateX(8px); }
  45%      { transform: translateX(-5px); }
  60%      { transform: translateX(5px); }
  75%      { transform: translateX(-2px); }
  90%      { transform: translateX(2px); }
}

@keyframes dot-pulse {
  0%,100% { box-shadow: 0 0 4px currentColor; opacity: 1; }
  50%      { box-shadow: 0 0 10px currentColor; opacity: .7; }
}

/* ── Background Effects ─────────────────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,229,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.022) 1px, transparent 1px);
  background-size: 48px 48px;
}

.scanlines {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0,0,0,.04) 3px, rgba(0,0,0,.04) 4px
  );
}

.scan-beam {
  position: fixed; left: 0; width: 100%; height: 3px; z-index: 2;
  background: linear-gradient(transparent, rgba(0,229,255,.05), transparent);
  animation: scan 10s linear infinite;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════════
   LOGIN PAGE
   ═══════════════════════════════════════════════════════════════ */

.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 24px; position: relative; z-index: 10;
}

/* ── Card ── */
.login-card {
  width: 100%; max-width: 430px;
  background: var(--bg-panel);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--r-lg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  animation: fade-in .5s ease, glow-pulse 5s ease-in-out infinite;
  box-shadow: var(--shadow-card);
}

/* Flowing gradient border */
.login-card::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--cyan), rgba(168,85,247,.6), rgba(0,229,255,.15), var(--purple));
  background-size: 300% 300%;
  animation: border-flow 6s ease infinite;
  z-index: -1;
  opacity: .45;
}

/* Top accent line */
.login-card::after {
  content: '';
  position: absolute; top: 0; left: 15%; right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-mid), transparent);
}

/* Inner fill over the gradient border */
.login-card-inner {
  position: absolute; inset: 1px;
  background: var(--bg-panel);
  border-radius: calc(var(--r-lg) - 1px);
  z-index: -1;
}

/* ── Logo ── */
.login-logo { text-align: center; margin-bottom: 36px; }

.login-logo-icon {
  display: block; font-size: 2.8rem; margin-bottom: 12px;
  filter: drop-shadow(0 0 16px var(--cyan));
}

.login-title {
  font-family: var(--font-mono);
  font-size: 1.95rem; font-weight: 700;
  letter-spacing: .14em; color: var(--cyan);
  text-shadow: 0 0 24px var(--cyan-glow);
  position: relative; display: inline-block;
}

.login-title::before,
.login-title::after {
  content: attr(data-text);
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  font: inherit; letter-spacing: inherit;
}
.login-title::before {
  color: #ff00cc;
  clip-path: polygon(0 20%, 100% 20%, 100% 52%, 0 52%);
  animation: glitch-a 7s infinite;
}
.login-title::after {
  color: #00ffcc;
  clip-path: polygon(0 60%, 100% 60%, 100% 84%, 0 84%);
  animation: glitch-b 7s infinite;
}

.login-sub {
  font-family: var(--font-mono); font-size: .62rem;
  letter-spacing: .28em; color: var(--text-muted);
  margin-top: 6px; text-transform: uppercase;
}

/* ── Status strip ── */
.login-status {
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,229,255,.03);
  border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 8px 14px; margin-bottom: 28px;
  font-family: var(--font-mono); font-size: .68rem;
  color: var(--text-muted); letter-spacing: .1em;
}

.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); flex-shrink: 0;
  animation: dot-pulse 2.5s ease-in-out infinite;
}
.status-dot.locked { background: var(--red); }

/* ── Form ── */
.login-form { display: flex; flex-direction: column; gap: 16px; }

.field-group { display: flex; flex-direction: column; gap: 6px; }

.field-label {
  font-family: var(--font-mono); font-size: .63rem; font-weight: 500;
  letter-spacing: .18em; color: var(--cyan); text-transform: uppercase;
}

.input-wrap { position: relative; }

.input-pfx {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: .9rem; pointer-events: none;
  transition: color var(--t-fast);
}

.field-input {
  width: 100%;
  padding: 13px 14px 13px 40px;
  background: rgba(0,0,0,.45);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: var(--font-mono); font-size: .88rem; letter-spacing: .05em;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.field-input::placeholder { color: var(--text-dim); }
.field-input:focus {
  border-color: var(--cyan);
  background: rgba(0,229,255,.025);
  box-shadow: 0 0 0 3px var(--cyan-dim), var(--glow-cyan);
}
.field-input:focus ~ .input-pfx { color: var(--cyan); }

/* ── Buttons ── */
.btn-primary {
  width: 100%; padding: 15px 24px;
  background: linear-gradient(135deg, rgba(0,229,255,.14), rgba(168,85,247,.1));
  border: 1px solid var(--cyan); border-radius: var(--r-sm);
  color: var(--cyan);
  font-family: var(--font-mono); font-size: .83rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
  cursor: pointer; position: relative; overflow: hidden;
  transition: all var(--t-mid);
  margin-top: 6px;
}
.btn-primary::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,229,255,.2), transparent);
  opacity: 0; transition: opacity var(--t-mid);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: var(--glow-cyan), 0 0 40px rgba(0,229,255,.12);
  transform: translateY(-1px);
}
.btn-primary:hover:not(:disabled)::after { opacity: 1; }
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled {
  border-color: var(--red); color: var(--red); cursor: not-allowed; opacity: .7;
}

/* ── Alert ── */
.alert {
  padding: 10px 14px; border-radius: var(--r-sm);
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .04em;
  display: flex; align-items: flex-start; gap: 10px;
}
.alert-error {
  background: var(--red-dim); border: 1px solid rgba(239,68,68,.4); color: #fca5a5;
  animation: shake .4s ease;
}
.alert-warn {
  background: var(--amber-dim); border: 1px solid rgba(245,158,11,.4); color: #fcd34d;
}
.alert-ok {
  background: var(--green-dim); border: 1px solid rgba(16,185,129,.4); color: #6ee7b7;
}

/* ── Login footer ── */
.login-footer {
  display: flex; justify-content: space-between;
  margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: .6rem;
  color: var(--text-dim); letter-spacing: .1em;
}

/* ═══════════════════════════════════════════════════════════════
   DASHBOARD SHELL
   ═══════════════════════════════════════════════════════════════ */

.app-shell {
  display: grid;
  grid-template-rows: var(--hud-h) 1fr;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ── HUD Bar ── */
.hud-bar {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px;
  background: rgba(5, 8, 16, 0.92);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}

.hud-brand {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .78rem; font-weight: 700;
  color: var(--cyan); letter-spacing: .12em;
  text-shadow: 0 0 12px var(--cyan-glow);
  flex-shrink: 0; padding-right: 16px;
  border-right: 1px solid var(--border);
}

.hud-brand-icon { font-size: 1rem; }

.hud-metrics {
  display: flex; align-items: center; gap: 14px;
  flex: 1; overflow: hidden;
}

.hud-metric {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: .68rem; white-space: nowrap;
}

.hud-lbl {
  color: var(--text-dim); font-size: .58rem; letter-spacing: .12em; text-transform: uppercase;
}
.hud-val { color: var(--cyan); font-weight: 500; }
.hud-val.ok     { color: var(--green); }
.hud-val.warn   { color: var(--amber); }
.hud-val.danger { color: var(--red); }

.hud-sep { width: 1px; height: 18px; background: var(--border); flex-shrink: 0; }

.hud-right {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
  padding-left: 16px; border-left: 1px solid var(--border);
}

.hud-user {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: .68rem; color: var(--text-muted);
  padding: 4px 10px; border: 1px solid var(--border); border-radius: var(--r-sm);
}

.hud-user-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 6px var(--green);
}

.btn-logout {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  background: transparent;
  border: 1px solid rgba(239,68,68,.28); border-radius: var(--r-sm);
  color: rgba(239,68,68,.7);
  font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em;
  cursor: pointer; transition: all var(--t-fast); text-transform: uppercase;
}
.btn-logout:hover {
  border-color: var(--red); color: var(--red);
  background: var(--red-dim); box-shadow: 0 0 14px rgba(239,68,68,.14);
}

/* ── Sidebar ── */
.sidebar {
  background: rgba(5,8,16,.8);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 0; gap: 4px;
  position: relative; z-index: 50;
}

.nav-item {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--r-sm);
  color: var(--text-muted); transition: all var(--t-fast);
  position: relative; font-size: 1rem; cursor: pointer;
  border: 1px solid transparent;
}
.nav-item:hover {
  color: var(--text); background: var(--bg-hover); border-color: var(--border);
}
.nav-item.active {
  color: var(--cyan); background: var(--cyan-dim);
  border-color: rgba(0,229,255,.22); box-shadow: var(--glow-cyan);
}
/* Tooltip */
.nav-item::after {
  content: attr(data-tip);
  position: absolute; left: calc(100% + 12px); top: 50%;
  transform: translateY(-50%);
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 4px 10px;
  font-family: var(--font-mono); font-size: .62rem; color: var(--text);
  white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity var(--t-fast); letter-spacing: .06em;
}
.nav-item:hover::after { opacity: 1; }

.nav-spacer { flex: 1; }

/* ── Main Content ── */
.main-content {
  padding: 28px; overflow-y: auto;
  position: relative; z-index: 10;
  animation: fade-in var(--t-slow) ease;
}

/* ── Page Header ── */
.pg-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.pg-title {
  font-family: var(--font-mono); font-size: 1.05rem; font-weight: 600;
  color: var(--text); letter-spacing: .06em;
}
.pg-sub {
  font-size: .72rem; color: var(--text-muted);
  margin-top: 4px; font-family: var(--font-mono);
}

.badge {
  padding: 3px 12px; border-radius: 20px;
  font-family: var(--font-mono); font-size: .6rem; letter-spacing: .1em; text-transform: uppercase;
}
.badge-online { background: var(--green-dim); border: 1px solid rgba(16,185,129,.3); color: var(--green); }
.badge-step   { background: var(--purple-dim); border: 1px solid rgba(168,85,247,.3); color: var(--purple); }
.badge-live   { background: var(--green-dim);  border: 1px solid rgba(16,185,129,.3); color: var(--green); }
.badge-wip    { background: var(--amber-dim);  border: 1px solid rgba(245,158,11,.3); color: var(--amber); }
.badge-now    { background: var(--cyan-dim);   border: 1px solid rgba(0,229,255,.3);  color: var(--cyan); }

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 18px; margin-bottom: 22px;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 20px; backdrop-filter: blur(10px);
  transition: border-color var(--t-mid), box-shadow var(--t-mid);
  position: relative; overflow: hidden;
  animation: slide-left var(--t-slow) ease both;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
  opacity: 0; transition: opacity var(--t-mid);
}
.card:hover { border-color: var(--border-hover); box-shadow: var(--glow-cyan); }
.card:hover::before { opacity: 1; }

.card-coming { opacity: .68; border-style: dashed; }
.card-coming:hover { opacity: 1; }

.card-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.card-icon { font-size: 1.3rem; line-height: 1; flex-shrink: 0; }
.card-ttl {
  font-family: var(--font-mono); font-size: .82rem; font-weight: 600;
  color: var(--text); letter-spacing: .05em;
}
.card-badge { margin-left: auto; }

.card-body { font-size: .78rem; color: var(--text-muted); line-height: 1.65; }
.card-body p { margin-bottom: 10px; }

/* ── Info Rows ── */
.info-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid var(--border);
  font-size: .75rem;
}
.info-row:last-child { border-bottom: none; }
.info-key { font-family: var(--font-mono); color: var(--text-muted); font-size: .68rem; letter-spacing: .06em; }
.info-val { font-family: var(--font-mono); color: var(--text); }
.info-val.c { color: var(--cyan); }
.info-val.g { color: var(--green); }
.info-val.p { color: var(--purple); }
.info-val.a { color: var(--amber); }

/* ── Terminal Preview ── */
.term-preview {
  background: #000; border-radius: var(--r-sm);
  padding: 14px; font-family: var(--font-mono); font-size: .72rem;
  color: var(--green); line-height: 1.8; margin-top: 12px;
  border: 1px solid rgba(16,185,129,.14); min-height: 80px;
}
.term-ps::before { content: 'lucy@kali ➜ '; color: var(--cyan); }
.term-cursor {
  display: inline-block; width: 7px; height: 13px;
  background: var(--green); vertical-align: middle;
  animation: blink 1s step-end infinite; margin-left: 2px;
}
.term-dim { color: var(--text-muted); }

/* ── Responsive ── */
@media (max-width: 680px) {
  .hud-metrics { display: none; }
  
  .app-shell { 
    grid-template-rows: var(--hud-h) 1fr var(--hud-h);
    grid-template-columns: 1fr; 
  }
  
  .hud-bar {
    grid-row: 1; grid-column: 1;
  }
  
  .main-content { 
    grid-row: 2; grid-column: 1;
    padding: 16px; 
    padding-bottom: 24px;
  }
  
  .sidebar { 
    grid-row: 3; grid-column: 1;
    flex-direction: row; 
    width: 100%; 
    height: var(--hud-h);
    border-right: none;
    border-top: 1px solid var(--border);
    justify-content: space-around;
    padding: 0 16px;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 200;
  }
  
  .nav-spacer { display: none; }
  .nav-item::after { display: none; } /* Hide tooltips on mobile */
  
  .card-grid { grid-template-columns: 1fr; }
  .login-card { padding: 36px 20px; }
  .login-title { font-size: 1.5rem; }
}