/* ═══════════════════════════════════════════════════════════════════
   Akinakes — Design System
   Aerospace Operational Interface
   ═══════════════════════════════════════════════════════════════════ */

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

/* ── Variables ─────────────────────────────────────────────────────── */

:root {
  /* Backgrounds */
  --void:     #07090F;
  --deep:     #0D1117;
  --surface:  #131C27;
  --raised:   #1A2535;
  --overlay:  rgba(13, 17, 23, 0.92);

  /* Accents */
  --cyan:         #00DEFF;
  --cyan-dim:     #009ECC;
  --cyan-glow:    rgba(0, 222, 255, 0.2);
  --cyan-border:  rgba(0, 222, 255, 0.25);
  --cyan-active:  rgba(0, 222, 255, 0.55);

  --amber:        #FFA500;
  --amber-dim:    #D47800;
  --amber-glow:   rgba(255, 165, 0, 0.2);
  --amber-border: rgba(255, 165, 0, 0.45);

  --violet:        #A855F7;
  --violet-dim:    #7C3AED;
  --violet-glow:   rgba(168, 85, 247, 0.25);
  --violet-border: rgba(168, 85, 247, 0.35);

  --green:        #00FF99;
  --green-dim:    #00BB66;
  --green-glow:   rgba(0, 255, 153, 0.55);

  --red:          #FF4444;
  --red-dim:      #CC2222;
  --red-glow:     rgba(255, 68, 68, 0.55);

  /* Text */
  --t100: #F0F8FF;
  --t70:  #9BBDD8;
  --t40:  #527090;
  --t20:  #2A3D52;

  /* Typography */
  --font-ui:   'Rajdhani', 'Exo 2', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Easing */
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --fast: 120ms;
  --norm: 220ms;
  --slow: 350ms;
}

/* ── Reset ─────────────────────────────────────────────────────────── */

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

html, body {
  height: 100%;
  background: var(--void);
  color: var(--t100);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ── Typography ────────────────────────────────────────────────────── */

.ui       { font-family: var(--font-ui); }
.mono     { font-family: var(--font-mono); }

.text-2xl { font: 700 32px/1.1 var(--font-ui); }
.text-xl  { font: 700 24px/1.2 var(--font-ui); }
.text-lg  { font: 600 18px/1.3 var(--font-body); }
.text-md  { font: 400 14px/1.5 var(--font-body); }
.text-sm  { font: 400 12px/1.4 var(--font-body); }
.text-xs  { font: 600 11px/1.3 var(--font-body); letter-spacing: 0.08em; text-transform: uppercase; }
.text-2xs { font: 400 10px/1.3 var(--font-mono); }

.t100 { color: var(--t100); }
.t70  { color: var(--t70); }
.t40  { color: var(--t40); }
.t20  { color: var(--t20); }
.cyan { color: var(--cyan); }
.amber { color: var(--amber); }
.green { color: var(--green); }
.red   { color: var(--red); }

/* ── Label (section headers) ───────────────────────────────────────── */

.label {
  font: 600 10px/1 var(--font-body);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t40);
}

.label-cyan {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-dim);
}

/* ── Corner Brackets ───────────────────────────────────────────────── */
/* Usage: add class .bracketed to any element */

.bracketed { position: relative; }

.bracketed::before,
.bracketed::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0.5;
  pointer-events: none;
}

.bracketed::before {
  top: 0; left: 0;
  border-width: 1px 0 0 1px;
}

.bracketed::after {
  bottom: 0; right: 0;
  border-width: 0 1px 1px 0;
}

.bracketed-amber::before,
.bracketed-amber::after { border-color: var(--amber); }

.bracketed-full::before { border-width: 1px 0 0 1px; }
.bracketed-full::after  { border-width: 0 1px 1px 0; }

/* ── Panels ────────────────────────────────────────────────────────── */

.panel {
  background: var(--surface);
  border: 1px solid var(--cyan-border);
}

.panel-deep {
  background: var(--deep);
  border: 1px solid var(--t20);
}

.panel-raised {
  background: var(--raised);
  border: 1px solid var(--cyan-border);
}

/* ── Buttons ───────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  border-radius: 2px;
  font: 600 12px/1 var(--font-body);
  cursor: pointer;
  transition: all var(--fast) var(--ease);
  white-space: nowrap;
  user-select: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--t70);
  text-decoration: none;
}

.btn:disabled { opacity: 0.35; cursor: not-allowed; pointer-events: none; }

/* Primary — amber CTA */
.btn-primary {
  border-color: rgba(255, 149, 0, 0.6);
  color: var(--amber);
  font-family: var(--font-ui);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}
.btn-primary:hover {
  background: var(--amber-glow);
  border-color: var(--amber);
  box-shadow: 0 0 16px rgba(255, 165, 0, 0.35), 0 0 4px rgba(255, 165, 0, 0.6);
}

/* Secondary — cyan outline */
.btn-secondary {
  border-color: rgba(0, 200, 255, 0.25);
  color: var(--t70);
}
.btn-secondary:hover {
  background: var(--cyan-glow);
  border-color: var(--cyan-active);
  color: var(--t100);
  box-shadow: 0 0 12px rgba(0, 222, 255, 0.2);
}

/* Ghost */
.btn-ghost { border-color: transparent; color: var(--t40); }
.btn-ghost:hover { color: var(--t70); }

/* Icon button (square) */
.btn-icon {
  width: 28px;
  height: 28px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  color: var(--t40);
  cursor: pointer;
  transition: all var(--fast) var(--ease);
  border: none;
  background: transparent;
}
.btn-icon:hover { color: var(--t70); background: var(--raised); }
.btn-icon:hover.danger { color: var(--red); }

/* ── Inputs ────────────────────────────────────────────────────────── */

.input {
  width: 100%;
  background: var(--deep);
  border: none;
  border-bottom: 1px solid rgba(0, 200, 255, 0.2);
  border-radius: 0;
  padding: 8px 12px;
  color: var(--t100);
  font: 400 14px/1.4 var(--font-body);
  outline: none;
  transition: border-color var(--fast) var(--ease),
              box-shadow var(--fast) var(--ease);
}
.input::placeholder { color: var(--t40); }
.input:focus {
  border-bottom-color: var(--cyan);
  box-shadow: 0 2px 0 -1px rgba(0, 200, 255, 0.3);
}

.input-label {
  display: block;
  font: 600 10px/1 var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t40);
  margin-bottom: 6px;
}

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

select.input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2300C8FF' opacity='.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  cursor: pointer;
}
select.input option { background: var(--deep); }

textarea.input { resize: vertical; min-height: 80px; }

/* ── Status dots ───────────────────────────────────────────────────── */

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

.dot-online  { background: var(--green); box-shadow: 0 0 6px var(--green-glow); }
.dot-busy    { background: var(--amber); animation: pulse-dot 2s ease-in-out infinite; }
.dot-offline { background: var(--t20); }
.dot-error   { background: var(--red); box-shadow: 0 0 6px var(--red-glow); }
.dot-waiting { background: var(--cyan); animation: blink-dot 1.2s step-end infinite; }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px rgba(255, 149, 0, 0.6); }
  50%       { opacity: 0.5; box-shadow: 0 0 2px rgba(255, 149, 0, 0.3); }
}
@keyframes blink-dot {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ── Tags / badges ─────────────────────────────────────────────────── */

.tag {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 2px;
  font: 500 10px/1.4 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid;
  white-space: nowrap;
}

.tag-cyan   { border-color: rgba(0,200,255,0.35); color: var(--cyan-dim); }
.tag-amber  { border-color: rgba(255,149,0,0.35); color: var(--amber-dim); }
.tag-green  { border-color: rgba(0,255,136,0.35); color: var(--green-dim); }
.tag-red    { border-color: rgba(255,61,61,0.35);  color: var(--red-dim); }
.tag-dim    { border-color: var(--t20); color: var(--t40); }

/* ── Dividers ──────────────────────────────────────────────────────── */

.divider {
  height: 1px;
  background: var(--t20);
  border: none;
  margin: 0;
}

.divider-v {
  width: 1px;
  background: var(--t20);
  align-self: stretch;
}

/* ── List items ────────────────────────────────────────────────────── */

.list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  cursor: pointer;
  color: var(--t70);
  font-size: 13px;
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease);
  border-left: 2px solid transparent;
  user-select: none;
}

.list-item:hover {
  background: var(--raised);
  color: var(--t100);
}

.list-item.active {
  background: var(--raised);
  color: var(--t100);
  border-left-color: var(--cyan);
  padding-left: 10px;
}

/* ── Scrollbar ─────────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0, 200, 255, 0.2); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 200, 255, 0.4); }

/* ── Toast ─────────────────────────────────────────────────────────── */

#toast-container {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border-left: 3px solid var(--cyan);
  padding: 10px 16px;
  min-width: 240px;
  max-width: 400px;
  font-size: 13px;
  color: var(--t100);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--norm) var(--ease), transform var(--norm) var(--ease);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.ok   { border-left-color: var(--green); }
.toast.err  { border-left-color: var(--red); }
.toast.warn { border-left-color: var(--amber); }

/* ── Modal ─────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--norm) var(--ease);
  pointer-events: none;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--surface);
  border: 1px solid rgba(0, 200, 255, 0.2);
  width: min(520px, 92vw);
  padding: 24px;
  position: relative;
  transform: scale(0.96);
  transition: transform var(--norm) var(--ease);
}
.modal-overlay.open .modal { transform: scale(1); }

.modal-header {
  font: 700 18px/1.2 var(--font-ui);
  color: var(--cyan);
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 24px;
}

/* ── Scan-line texture (subtle) ────────────────────────────────────── */

.scanlines::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.025) 2px, rgba(0,0,0,0.025) 4px
  );
  pointer-events: none;
  z-index: 0;
}

/* ── Animations ────────────────────────────────────────────────────── */

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fade-in var(--norm) var(--ease) both; }

@keyframes scan-sweep {
  from { background-position: 0 -100%; }
  to   { background-position: 0 200%; }
}

.loading-scan {
  background: linear-gradient(
    to bottom,
    transparent 0%, rgba(0,200,255,0.06) 50%, transparent 100%
  );
  background-size: 100% 50%;
  animation: scan-sweep 1.5s linear infinite;
}

/* ── Empty state ───────────────────────────────────────────────────── */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--t40);
  font: 600 11px/1 var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.empty-state svg { opacity: 0.3; }