/* ============================================================
   BLACKNODE — Core Design System
   Aesthetic: Dark terminal / cyberpunk darknet
   Font: JetBrains Mono (terminal-grade monospace)
   ============================================================ */

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

/* ─── CSS VARIABLES ──────────────────────────────────────── */
:root {
  /* Colors */
  --bg:           #050508;
  --bg2:          #080810;
  --bg3:          #0d0d18;
  --surface:      rgba(0,255,80,0.03);
  --surface2:     rgba(0,255,80,0.06);
  --border:       rgba(0,255,80,0.12);
  --border2:      rgba(0,255,80,0.22);

  --green:        #00ff50;
  --green-dim:    #00cc40;
  --green-dark:   #004418;
  --green-glow:   rgba(0,255,80,0.25);
  --green-glow2:  rgba(0,255,80,0.08);

  --red:          #ff3344;
  --yellow:       #ffcc00;
  --cyan:         #00e5ff;
  --purple:       #9d4edd;

  --text:         #c8ffd4;
  --text-dim:     rgba(200,255,212,0.45);
  --text-muted:   rgba(200,255,212,0.22);

  /* Typography */
  --font: 'JetBrains Mono', 'Courier New', monospace;

  /* Glow effects */
  --glow-sm:  0 0 8px var(--green-glow);
  --glow-md:  0 0 20px var(--green-glow), 0 0 40px rgba(0,255,80,0.1);
  --glow-lg:  0 0 30px var(--green-glow), 0 0 60px rgba(0,255,80,0.15), 0 0 100px rgba(0,255,80,0.05);

  /* Transitions */
  --t: 0.2s cubic-bezier(0.4,0,0.2,1);
}

/* ─── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 14px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.93rem;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  cursor: default;
}
img { display:block; max-width:100%; }
a { color: inherit; text-decoration: none; }
ul { list-style:none; }
button { font-family: var(--font); cursor: pointer; border:none; background:none; }
input, textarea, select { font-family: var(--font); }

/* ─── CRT OVERLAY EFFECTS ────────────────────────────────── */
.scanlines {
  pointer-events: none;
  position: fixed; inset: 0; z-index: 9000;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  animation: scanlineFlicker 8s linear infinite;
}
@keyframes scanlineFlicker {
  0%,100% { opacity: 0.4; }
  50%      { opacity: 0.35; }
  73%      { opacity: 0.42; }
}

.noise {
  pointer-events: none;
  position: fixed; inset: 0; z-index: 8999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px;
  mix-blend-mode: overlay;
  animation: noiseAnim 0.3s steps(1) infinite;
}
@keyframes noiseAnim {
  0%   { background-position: 0 0; }
  25%  { background-position: -50px -30px; }
  50%  { background-position: 30px 50px; }
  75%  { background-position: -20px 60px; }
  100% { background-position: 40px -10px; }
}

/* Vignette edges */
.vignette {
  pointer-events: none;
  position: fixed; inset: 0; z-index: 8998;
  background: radial-gradient(ellipse at center,
    transparent 55%,
    rgba(0,0,0,0.5) 100%
  );
}

/* ─── LAYOUT WRAPPER ─────────────────────────────────────── */
.page-wrap {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ─── HEADER ─────────────────────────────────────────────── */
.header {
  position: sticky; top: 0;
  z-index: 500;
  padding: 0 2.5rem;
  height: 54px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(5,5,8,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  user-select: none;
}
.logo-bracket { color: var(--green-dark); }
.logo-main    { color: var(--green-dim); }
.logo-node    { color: var(--green); text-shadow: var(--glow-sm); }

.header-right {
  display: flex; align-items: center; gap: 1.8rem;
}

.node-status {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green), 0 0 16px rgba(0,255,80,0.4);
  animation: dotPulse 3s ease-in-out infinite;
}
.status-dot.offline { background: var(--red); box-shadow: 0 0 8px var(--red); animation: none; }
@keyframes dotPulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.6; transform:scale(0.8); }
}

.header-nav { display:flex; align-items:center; gap:0.25rem; }
.header-nav a {
  font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-dim);
  padding: 0.4rem 0.75rem; border-radius: 4px;
  transition: color var(--t), background var(--t);
}
.header-nav a:hover, .header-nav a.active {
  color: var(--green);
  background: var(--green-glow2);
}
.header-nav a.active { text-shadow: var(--glow-sm); }

.header-user {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.72rem; color: var(--text-dim);
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--t);
}
.header-user:hover { border-color: var(--border2); color: var(--green); }
.header-user-id { color: var(--green); font-weight: 700; }

/* ─── TERMINAL WINDOW COMPONENT ──────────────────────────── */
.terminal-win {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--glow-md), inset 0 0 60px rgba(0,255,80,0.02);
}

.terminal-titlebar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.55rem 1rem;
  background: rgba(0,255,80,0.04);
  border-bottom: 1px solid var(--border);
}
.terminal-titlebar-path {
  font-size: 0.72rem; color: var(--text-dim); letter-spacing: 0.08em;
}
.terminal-dots { display:flex; gap:0.35rem; }
.terminal-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.terminal-dot.r { background: #ff5f57; }
.terminal-dot.y { background: #ffbd2e; }
.terminal-dot.g { background: #28c840; }

.terminal-body {
  padding: 1.4rem 1.6rem;
}

/* ─── PROMPT LINE ────────────────────────────────────────── */
.prompt-line {
  display: flex; align-items: center; gap: 0.5rem;
}
.prompt-path { color: var(--green); font-weight: 700; }
.prompt-cursor {
  display: inline-block; width: 8px; height: 1.1em;
  background: var(--green);
  animation: cursorBlink 1s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes cursorBlink {
  0%,100% { opacity:1; }
  50%      { opacity:0; }
}

/* ─── OUTPUT LINES ───────────────────────────────────────── */
.ln { margin-bottom: 0.25rem; }
.ln-cmd   { color: var(--text); }
.ln-ok    { color: var(--green); }
.ln-dim   { color: var(--text-dim); }
.ln-muted { color: var(--text-muted); }
.ln-err   { color: var(--red); text-shadow: 0 0 8px rgba(255,51,68,0.5); }
.ln-warn  { color: var(--yellow); }
.ln-info  { color: var(--cyan); }
.ln-tag   {
  display: inline-block;
  padding: 0 0.45rem; border-radius: 3px;
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.05em; margin-right: 0.5rem;
}
.ln-tag.ok     { background: rgba(0,255,80,0.15); color: var(--green); }
.ln-tag.err    { background: rgba(255,51,68,0.15); color: var(--red); }
.ln-tag.warn   { background: rgba(255,204,0,0.15); color: var(--yellow); }
.ln-tag.info   { background: rgba(0,229,255,0.1); color: var(--cyan); }
.ln-tag.sys    { background: rgba(157,78,221,0.15); color: var(--purple); }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.6rem 1.4rem; border-radius: 4px;
  transition: all var(--t); cursor: pointer;
}
.btn-primary {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
  text-shadow: var(--glow-sm);
  box-shadow: 0 0 10px rgba(0,255,80,0.1);
}
.btn-primary:hover {
  background: var(--green);
  color: #000;
  text-shadow: none;
  box-shadow: var(--glow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border2);
  color: var(--text);
}
.btn-danger {
  background: transparent; color: var(--red);
  border: 1px solid rgba(255,51,68,0.4);
}
.btn-danger:hover { background: rgba(255,51,68,0.1); }
.btn-sm { padding: 0.35rem 0.9rem; font-size: 0.72rem; }

/* ─── FORM ELEMENTS ──────────────────────────────────────── */
.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block; margin-bottom: 0.4rem;
  font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-dim);
}
.form-input {
  width: 100%;
  background: rgba(0,255,80,0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 0.65rem 1rem;
  font-family: var(--font); font-size: 0.9rem;
  transition: border-color var(--t), box-shadow var(--t);
  outline: none;
}
.form-input:focus {
  border-color: var(--border2);
  box-shadow: 0 0 0 1px var(--border2), var(--glow-sm);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input.error { border-color: rgba(255,51,68,0.5); }
.form-input.success { border-color: rgba(0,255,80,0.4); }

textarea.form-input { resize: vertical; min-height: 100px; }
select.form-input option { background: var(--bg3); }

/* ─── TABLES ─────────────────────────────────────────────── */
.data-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.85rem;
}
.data-table th {
  text-align: left; padding: 0.7rem 1rem;
  font-size: 0.68rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(0,255,80,0.05);
  color: var(--text-dim);
  transition: background var(--t);
}
.data-table tr:hover td { background: var(--green-glow2); }
.data-table tr:last-child td { border-bottom: none; }

/* ─── CARDS / PANELS ─────────────────────────────────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.4rem;
}
.panel-title {
  font-size: 0.72rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 1rem; padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

/* ─── BADGES ─────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 0.15rem 0.5rem;
  border-radius: 3px; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase;
}
.badge-green  { background: rgba(0,255,80,0.12); color: var(--green); border: 1px solid rgba(0,255,80,0.2); }
.badge-red    { background: rgba(255,51,68,0.12); color: var(--red); border: 1px solid rgba(255,51,68,0.2); }
.badge-yellow { background: rgba(255,204,0,0.12); color: var(--yellow); border: 1px solid rgba(255,204,0,0.2); }
.badge-cyan   { background: rgba(0,229,255,0.1); color: var(--cyan); border: 1px solid rgba(0,229,255,0.2); }
.badge-purple { background: rgba(157,78,221,0.12); color: var(--purple); border: 1px solid rgba(157,78,221,0.2); }

/* ─── DIVIDERS & SPACING ─────────────────────────────────── */
.sep {
  height: 1px; background: var(--border);
  margin: 1.5rem 0;
}

/* ─── SCROLLBAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(0,255,80,0.2); border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(0,255,80,0.4); }

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer {
  padding: 0.9rem 2.5rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(5,5,8,0.7);
}
.footer-text {
  font-size: 0.68rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted);
}
.footer-build {
  font-size: 0.65rem; color: var(--text-muted);
  opacity: 0.5;
}

/* ─── ALERT TOASTS ───────────────────────────────────────── */
.toast-container {
  position: fixed; top: 70px; right: 1.5rem;
  z-index: 9999; display: flex; flex-direction: column; gap: 0.5rem;
}
.toast {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1.2rem;
  font-size: 0.78rem; min-width: 260px;
  display: flex; align-items: center; gap: 0.7rem;
  animation: toastIn 0.3s ease;
  box-shadow: var(--glow-sm);
}
.toast.ok   { border-color: rgba(0,255,80,0.3); }
.toast.err  { border-color: rgba(255,51,68,0.3); }
@keyframes toastIn {
  from { opacity:0; transform: translateX(20px); }
  to   { opacity:1; transform: translateX(0); }
}

/* ─── LOADING OVERLAY ────────────────────────────────────── */
.loading-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 768px) {
  html { font-size: 13px; }
  .header { padding: 0 1.2rem; }
  .header-nav { display: none; }
  .footer { flex-direction: column; gap: 0.4rem; text-align: center; }
}

/* ─── UTILITY ────────────────────────────────────────────── */
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-yellow { color: var(--yellow); }
.text-cyan   { color: var(--cyan); }
.text-dim    { color: var(--text-dim); }
.text-muted  { color: var(--text-muted); }
.glow        { text-shadow: var(--glow-sm); }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-center { display:flex; align-items:center; }
.flex-between { display:flex; align-items:center; justify-content:space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.w-full { width: 100%; }
.hidden { display: none !important; }