/* ============================================================
   AUTH OVERLAY — Terminal Hexgate (forest green geometric)
   ============================================================ */

/* ── FULL-SCREEN OVERLAY ──────────────────────────────────── */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: linear-gradient(145deg, #020c05 0%, #041509 28%, #071e0c 55%, #030d06 85%, #020a04 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  overflow: hidden;
}

.auth-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

/* Green dot grid */
.auth-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(74, 222, 128, 0.18) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* Edge vignette */
.auth-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 90% at 50% 50%, transparent 35%, rgba(2, 8, 3, 0.75) 100%);
  pointer-events: none;
  z-index: 0;
}

/* ── GEOMETRIC BACKGROUND SHAPES ─────────────────────────── */
.auth-geo-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.ag-shape { position: absolute; }

/* Large upward triangle — top-left */
.ag-tri-1 {
  width: 420px;
  height: 380px;
  background: linear-gradient(160deg, rgba(34, 197, 94, 0.10) 0%, rgba(16, 185, 129, 0.04) 100%);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  top: -90px;
  left: -70px;
  filter: drop-shadow(0 0 18px rgba(74, 222, 128, 0.25));
  animation: agFloat1 20s ease-in-out infinite alternate;
}

/* Downward triangle — bottom-right */
.ag-tri-2 {
  width: 360px;
  height: 320px;
  background: linear-gradient(340deg, rgba(16, 185, 129, 0.09) 0%, rgba(52, 211, 153, 0.03) 100%);
  clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
  bottom: -70px;
  right: -50px;
  filter: drop-shadow(0 0 14px rgba(52, 211, 153, 0.20));
  animation: agFloat2 24s ease-in-out infinite alternate;
}

/* Tall thin triangle — right edge */
.ag-tri-3 {
  width: 180px;
  height: 460px;
  background: linear-gradient(180deg, rgba(74, 222, 128, 0.07) 0%, transparent 100%);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  right: 6%;
  bottom: -20px;
  filter: drop-shadow(0 0 10px rgba(74, 222, 128, 0.18));
  animation: agFloat3 28s ease-in-out infinite alternate;
}

/* Hexagon — mid-left, slowly rotating */
.ag-hex-1 {
  width: 220px;
  height: 254px;
  background: rgba(34, 197, 94, 0.05);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  left: 5%;
  top: 32%;
  filter: drop-shadow(0 0 16px rgba(74, 222, 128, 0.30));
  animation: agRotate 36s linear infinite;
}

/* Diamond — upper right */
.ag-dia-1 {
  width: 130px;
  height: 130px;
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.10), rgba(16, 185, 129, 0.04));
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  right: 14%;
  top: 16%;
  filter: drop-shadow(0 0 12px rgba(74, 222, 128, 0.35));
  animation: agFloat1 16s ease-in-out infinite alternate;
}

/* Small diamond — lower center-left */
.ag-dia-2 {
  width: 64px;
  height: 64px;
  background: rgba(134, 239, 172, 0.13);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  left: 28%;
  bottom: 14%;
  filter: drop-shadow(0 0 8px rgba(134, 239, 172, 0.45));
  animation: agFloat2 13s ease-in-out infinite alternate;
}

/* Tiny diamond — top center */
.ag-dia-3 {
  width: 44px;
  height: 44px;
  background: rgba(74, 222, 128, 0.15);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  left: 55%;
  top: 8%;
  filter: drop-shadow(0 0 6px rgba(74, 222, 128, 0.50));
  animation: agFloat3 10s ease-in-out infinite alternate;
}

@keyframes agFloat1 {
  0%   { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(14px, -18px) rotate(6deg); }
}
@keyframes agFloat2 {
  0%   { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-10px, 16px) rotate(-5deg); }
}
@keyframes agFloat3 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(8px, -10px) scale(1.06); }
}
@keyframes agRotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── MAIN GATE (chamfered hexagon shape) ──────────────────── */
.auth-gate {
  display: flex;
  width: min(880px, 96vw);
  height: min(540px, 90vh);
  background: #050d07;
  clip-path: polygon(
    0 0,
    calc(100% - 52px) 0,
    100% 52px,
    100% 100%,
    52px 100%,
    0 calc(100% - 52px)
  );
  position: relative;
  overflow: hidden;
  z-index: 1;
  filter: drop-shadow(0 0 40px rgba(34, 197, 94, 0.12)) drop-shadow(0 24px 64px rgba(0, 0, 0, 0.85));
}

/* Corner accent lines etched into chamfer */
.auth-gate::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(74, 222, 128, 0.06) 0 52px, transparent 52px),
    linear-gradient(-45deg, rgba(74, 222, 128, 0.04) 0 52px, transparent 52px) bottom right / 100% 100%;
  pointer-events: none;
  z-index: 0;
}

/* Outer border */
.auth-gate::after {
  content: '';
  position: absolute;
  inset: 0;
  clip-path: inherit;
  border: 1px solid rgba(34, 197, 94, 0.22);
  pointer-events: none;
  z-index: 2;
}

/* ── LEFT BRAND PANEL ─────────────────────────────────────── */
.auth-brand {
  width: 300px;
  flex-shrink: 0;
  background: linear-gradient(155deg, #060f08 0%, #0a1a0c 60%, #040c06 100%);
  border-right: 1px solid rgba(34, 197, 94, 0.12);
  padding: 52px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* Circuit grid fading inward */
.auth-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 222, 128, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 222, 128, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 120% 80% at 20% 50%, black 30%, transparent 80%);
  pointer-events: none;
}

/* Vertical highlight stripe */
.auth-brand::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0; right: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 5%, rgba(34, 197, 94, 0.18) 40%, rgba(34, 197, 94, 0.18) 60%, transparent 95%);
}

.brand-glyph {
  font-size: 58px;
  color: #4ade80;
  line-height: 1;
  margin-bottom: 22px;
  animation: glyphPulse 3.5s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

@keyframes glyphPulse {
  0%, 100% { text-shadow: 0 0 20px rgba(74, 222, 128, 0.30); }
  50%       { text-shadow: 0 0 40px rgba(74, 222, 128, 0.70), 0 0 80px rgba(74, 222, 128, 0.20); }
}

.auth-brand h1 {
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: #e8f5ec;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 6px;
  position: relative;
  z-index: 1;
}

.auth-brand p {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  color: #2a4a32;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 44px;
  position: relative;
  z-index: 1;
}

.brand-divider {
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, #4ade80, transparent);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.brand-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.b-stat {
  display: flex;
  align-items: center;
  gap: 10px;
}

.b-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
  flex-shrink: 0;
  animation: pulseLed 2.2s ease-in-out infinite;
}

.b-dot.grey { background: #2a4a32; box-shadow: 0 0 6px #1a3422; }

@keyframes pulseLed {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

.b-stat-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.b-val {
  font-family: 'Inter', monospace;
  font-size: 13px;
  font-weight: 600;
  color: #a7f3c0;
  letter-spacing: 0.04em;
}

.b-label {
  font-size: 9px;
  color: #1e3d26;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ── RIGHT FORM PANEL ─────────────────────────────────────── */
.auth-form-panel {
  flex: 1;
  padding: 48px 48px 48px 44px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* Scanline overlay */
.scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(74, 222, 128, 0.006) 3px,
    rgba(74, 222, 128, 0.006) 4px
  );
  pointer-events: none;
  z-index: 0;
}

/* ── TABS ─────────────────────────────────────────────────── */
.auth-tabs {
  display: flex;
  position: relative;
  margin-bottom: 38px;
  border-bottom: 1px solid rgba(34, 197, 94, 0.12);
  z-index: 1;
  gap: 0;
}

.auth-tab {
  background: none;
  border: none;
  color: #1e4028;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 12px 22px 14px;
  cursor: pointer;
  transition: color 0.22s;
  position: relative;
}

.auth-tab.active { color: #4ade80; }
.auth-tab:not(.active):hover { color: #2d6e40; }

.auth-tab-indicator {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 1px;
  background: #4ade80;
  box-shadow: 0 0 6px rgba(74, 222, 128, 0.60);
  transition: left 0.3s cubic-bezier(0.4,0,0.2,1), width 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ── FORMS ────────────────────────────────────────────────── */
.auth-form {
  display: none;
  flex-direction: column;
  gap: 22px;
  flex: 1;
  z-index: 1;
  position: relative;
}

.auth-form.active { display: flex; }

/* Terminal-style input rows */
.terminal-input {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(34, 197, 94, 0.14);
  transition: border-color 0.2s;
  position: relative;
}

.terminal-input:focus-within {
  border-color: rgba(74, 222, 128, 0.45);
}

/* Animated light sweep on focus */
.terminal-input::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, #4ade80 50%, transparent 100%);
  transform: scaleX(0);
  opacity: 0;
  transition: none;
}

.terminal-input:focus-within::after {
  animation: sweepLine 0.5s ease-out forwards;
}

@keyframes sweepLine {
  0%   { transform: scaleX(0) translateX(-50%); opacity: 0.9; }
  100% { transform: scaleX(1) translateX(0%);   opacity: 0; }
}

.term-prefix {
  font-family: 'Inter', monospace;
  font-size: 10px;
  color: #1e4028;
  white-space: nowrap;
  letter-spacing: 0.06em;
  padding: 13px 10px 13px 0;
  user-select: none;
  flex-shrink: 0;
  transition: color 0.2s;
}

.terminal-input:focus-within .term-prefix {
  color: #4ade80;
}

.terminal-input input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: 'Inter', monospace;
  font-size: 14px;
  color: #d4f5dc;
  padding: 13px 0;
  caret-color: #4ade80;
  letter-spacing: 0.02em;
}

.terminal-input input::placeholder {
  color: #1a3824;
  letter-spacing: 0.04em;
}

/* ── SUBMIT BUTTON ────────────────────────────────────────── */
.auth-submit {
  margin-top: 4px;
  background: #22c55e;
  border: none;
  color: #030f06;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 15px 34px;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background 0.18s, transform 0.12s, filter 0.18s;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.auth-submit:hover {
  background: #4ade80;
  transform: translateY(-1px);
  filter: drop-shadow(0 4px 12px rgba(74, 222, 128, 0.40));
}
.auth-submit:active { transform: translateY(0); }

.auth-submit:disabled {
  background: #0d2414;
  color: #1e4028;
  cursor: default;
  transform: none;
  filter: none;
}

.submit-loader {
  width: 11px;
  height: 11px;
  border: 2px solid rgba(34, 197, 94, 0.30);
  border-top-color: #030f06;
  border-radius: 50%;
  animation: spin 0.55s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── MESSAGES ─────────────────────────────────────────────── */
.auth-msg {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.06em;
  min-height: 18px;
  color: #1e4028;
  padding: 2px 0;
  margin-top: -8px;
}

.auth-msg.error   { color: #f87171; }
.auth-msg.success { color: #4ade80; }

/* ── CLOSE BUTTON ─────────────────────────────────────────── */
.auth-close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: none;
  border: none;
  color: #1a3824;
  font-size: 16px;
  cursor: pointer;
  z-index: 10;
  transition: color 0.18s;
  line-height: 1;
  padding: 4px;
}

.auth-close:hover { color: #4ade80; }

/* ── USER STATUS BAR (bottom-right when logged in) ────────── */
.user-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #050d07;
  border: 1px solid rgba(34, 197, 94, 0.20);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1000;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 4px 24px rgba(0,0,0,0.6), 0 0 20px rgba(34, 197, 94, 0.08);
}

.user-bar.hidden { display: none; }

.user-dot {
  width: 7px;
  height: 7px;
  background: #4ade80;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px #4ade80;
  animation: pulseLed 2s ease-in-out infinite;
}

.user-name {
  font-size: 11px;
  color: #4a8458;
  letter-spacing: 0.08em;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-logout {
  background: none;
  border: none;
  color: #1e4028;
  font-size: 10px;
  letter-spacing: 0.14em;
  cursor: pointer;
  text-transform: uppercase;
  font-family: 'Inter', sans-serif;
  transition: color 0.18s;
  padding: 0;
}

.user-logout:hover { color: #f87171; }

/* ── AUTH TRIGGER BUTTON (in header command row) ──────────── */
.cmd-icon-btn.auth-btn {
  position: relative;
}

.auth-btn-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 6px #4ade80;
  display: none;
  animation: pulseLed 2s ease-in-out infinite;
}

.auth-btn-dot.show { display: block; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 680px) {
  .auth-brand { display: none; }

  .auth-gate {
    width: 100vw;
    height: 100dvh;
    clip-path: none;
  }

  .auth-form-panel { padding: 44px 28px; }
  .auth-close { top: 18px; right: 18px; }

  .user-bar { bottom: 16px; right: 16px; }
}