/* frontend/style.css */
/* PulseOps — Deep Space Ops Center Premium UI */

/* ──────────────────────────────────────────────────────
   DESIGN TOKENS
────────────────────────────────────────────────────── */
:root {
  /* Core palette */
  --bg:         #020409;
  --bg2:        #060a14;
  --bg3:        #080d1c;
  --surface:    rgba(10, 15, 30, 0.72);
  --surface-h:  rgba(13, 20, 40, 0.90);
  --glass:      rgba(255, 255, 255, 0.035);
  --glass-h:    rgba(255, 255, 255, 0.065);

  /* Borders */
  --border:     rgba(255, 255, 255, 0.055);
  --border-h:   rgba(255, 255, 255, 0.11);
  --border-b:   rgba(79, 132, 255, 0.22);

  /* Text */
  --text:       #edf2ff;
  --text-2:     #a8bcdf;
  --text-3:     #5a7099;
  --text-4:     #2e3f5e;

  /* Accent colors */
  --blue:       #4f84ff;
  --blue-l:     #7aaeff;
  --blue-d:     #2a60e8;
  --violet:     #8b5cf6;
  --violet-l:   #b48aff;
  --cyan:       #22d3ee;
  --green:      #10b981;
  --green-l:    #34d399;
  --red:        #ef4444;
  --amber:      #f59e0b;

  /* Gradients */
  --grad-primary:   linear-gradient(135deg, #4f84ff 0%, #8b5cf6 100%);
  --grad-glow:      linear-gradient(135deg, #4f84ff 0%, #22d3ee 100%);
  --grad-text:      linear-gradient(135deg, #7aaeff, #b48aff);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Radii */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 22px;
  --r-xl: 28px;

  /* Shadows */
  --shadow-xs: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-sm: 0 8px 24px rgba(0,0,0,0.5);
  --shadow:    0 16px 48px rgba(0,0,0,0.55);
  --shadow-lg: 0 32px 80px rgba(0,0,0,0.65);
  --glow-blue: 0 0 30px rgba(79,132,255,0.18), 0 0 60px rgba(79,132,255,0.08);

  /* Layout */
  --sidebar-w: 284px;
  --nav-h:     64px;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --t:         0.22s;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 14.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ──────────────────────────────────────────────────────
   BACKGROUND SYSTEM
────────────────────────────────────────────────────── */
.bg-base {
  position: fixed; inset: 0; z-index: -4;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(20,35,90,0.55) 0%, transparent 60%),
              radial-gradient(ellipse 50% 40% at 90% 90%, rgba(60,20,110,0.3) 0%, transparent 55%),
              var(--bg);
}

.bg-grid {
  position: fixed; inset: 0; z-index: -3;
  background-image:
    linear-gradient(rgba(79,132,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,132,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 0%, transparent 85%);
}

.bg-noise {
  position: fixed; inset: 0; z-index: -2;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px;
  pointer-events: none;
}

.orb {
  position: fixed; border-radius: 50%;
  z-index: -1; pointer-events: none;
}
.orb-a {
  width: 680px; height: 680px;
  top: -260px; left: -180px;
  background: radial-gradient(circle, rgba(56,90,220,0.16), transparent 65%);
  filter: blur(80px);
}
.orb-b {
  width: 560px; height: 560px;
  right: -180px; bottom: -180px;
  background: radial-gradient(circle, rgba(100,50,220,0.15), transparent 65%);
  filter: blur(80px);
}
.orb-c {
  width: 400px; height: 400px;
  top: 35%; left: 50%; transform: translateX(-50%);
  background: radial-gradient(circle, rgba(34,211,238,0.055), transparent 65%);
  filter: blur(60px);
}
.orb-d {
  width: 300px; height: 300px;
  top: 20%; right: 15%;
  background: radial-gradient(circle, rgba(139,92,246,0.1), transparent 65%);
  filter: blur(60px);
}

/* ──────────────────────────────────────────────────────
   NAVBAR
────────────────────────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 60;
  height: var(--nav-h);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(2, 4, 9, 0.82);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border-bottom: 1px solid var(--border);
}

/* Subtle top shimmer on navbar */
.navbar::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(79,132,255,0.25) 30%,
    rgba(139,92,246,0.25) 70%,
    transparent 100%
  );
}

.nav-left, .nav-right {
  display: flex; align-items: center; gap: 12px;
  flex: 1;
}
.nav-right { justify-content: flex-end; }
.nav-center { flex: 1; display: flex; justify-content: center; }

/* Hamburger */
.menu-btn {
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--glass);
  color: var(--text);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
  cursor: pointer; transition: var(--t) var(--ease);
  flex-shrink: 0;
}
.menu-btn:hover {
  background: var(--glass-h);
  border-color: var(--border-h);
  box-shadow: var(--glow-blue);
}
.hline {
  display: block;
  width: 15px; height: 1.5px;
  background: var(--text-2); border-radius: 2px;
  transition: var(--t) var(--ease);
}
.menu-btn.active .hline:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.menu-btn.active .hline:nth-child(2) { opacity: 0; transform: translateX(-6px); }
.menu-btn.active .hline:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* Brand */
.brand {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 800;
  letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 8px;
  color: var(--text); text-decoration: none;
  flex-shrink: 0;
}
.brand-glyph {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(79,132,255,0.2), rgba(139,92,246,0.2));
  border: 1px solid rgba(79,132,255,0.3);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 18px rgba(79,132,255,0.2);
}
.brand-accent {
  background: var(--grad-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav pills */
.nav-pill-group {
  display: flex; gap: 2px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 3px;
}
.nav-pill {
  padding: 5px 14px;
  border-radius: 7px;
  font-size: 12.5px; font-weight: 600;
  color: var(--text-3);
  cursor: pointer; transition: var(--t) var(--ease);
  white-space: nowrap;
}
.nav-pill:hover { color: var(--text-2); }
.nav-pill.active {
  background: rgba(79,132,255,0.14);
  color: var(--blue-l);
  box-shadow: inset 0 0 0 1px rgba(79,132,255,0.25);
}

/* Status */
.live-status {
  display: flex; align-items: center; gap: 7px;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--border);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--text-3);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-4);
  transition: background 0.4s, box-shadow 0.4s;
  flex-shrink: 0;
}
.dot.pulse { animation: dotPulse 1.8s infinite; }
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  50%       { box-shadow: 0 0 0 5px rgba(16,185,129,0); }
}

/* Mode badge */
.nav-mode-badge {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px; border-radius: 999px; display: none;
}
.nav-mode-badge.fast {
  display: block;
  background: rgba(79,132,255,0.12);
  color: var(--blue-l);
  border: 1px solid rgba(79,132,255,0.28);
}
.nav-mode-badge.full {
  display: block;
  background: rgba(139,92,246,0.12);
  color: var(--violet-l);
  border: 1px solid rgba(139,92,246,0.28);
}

/* Nav avatar */
.nav-avatar-btn {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--glass);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3); cursor: pointer;
  transition: var(--t) var(--ease);
}
.nav-avatar-btn:hover {
  background: var(--glass-h);
  border-color: var(--border-b);
  color: var(--blue-l);
}

/* ──────────────────────────────────────────────────────
   SIDEBAR
────────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: var(--nav-h); left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: rgba(4, 7, 18, 0.96);
  backdrop-filter: blur(28px) saturate(1.4);
  -webkit-backdrop-filter: blur(28px) saturate(1.4);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease);
  z-index: 50;
  display: flex; flex-direction: column;
  overflow: hidden auto;
}
.sidebar.show {
  transform: translateX(0);
  box-shadow: 12px 0 60px rgba(0,0,0,0.7), 1px 0 0 rgba(79,132,255,0.06);
}

/* Profile block */
.sidebar-profile { padding: 20px 16px 18px; }
.auth-block { display: flex; flex-direction: column; gap: 12px; }
.auth-block.hidden { display: none; }

.auth-avatar {
  width: 46px; height: 46px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 17px; font-weight: 800;
  flex-shrink: 0; align-self: flex-start;
}
.auth-avatar.guest {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-3);
}
.auth-avatar.user {
  background: var(--grad-primary);
  border: 1.5px solid rgba(79,132,255,0.4);
  color: white;
  box-shadow: 0 0 22px rgba(79,132,255,0.28);
}

.auth-info { display: flex; flex-direction: column; gap: 2px; }
.auth-name {
  font-family: var(--font-display);
  font-size: 14.5px; font-weight: 700; color: var(--text);
}
.auth-sub { font-size: 12px; color: var(--text-3); }

.auth-actions { display: flex; gap: 7px; }
.auth-btn {
  flex: 1; padding: 8px 12px; border-radius: 9px;
  font-size: 12.5px; font-weight: 600; font-family: var(--font-body);
  cursor: pointer; transition: var(--t) var(--ease); border: none;
  display: flex; align-items: center; justify-content: center; gap: 5px;
}
.login-btn {
  background: rgba(79,132,255,0.12); color: var(--blue-l);
  border: 1px solid rgba(79,132,255,0.25);
}
.login-btn:hover {
  background: rgba(79,132,255,0.2);
  box-shadow: 0 0 18px rgba(79,132,255,0.18);
  transform: translateY(-1px);
}
.signup-btn {
  background: var(--grad-primary); color: white;
  box-shadow: 0 4px 16px rgba(79,132,255,0.3);
}
.signup-btn:hover {
  box-shadow: 0 6px 24px rgba(79,132,255,0.45);
  transform: translateY(-1px);
}
.logout-btn {
  background: rgba(239,68,68,0.08); color: #fca5a5;
  border: 1px solid rgba(239,68,68,0.18);
  width: 100%; padding: 8px 12px; font-size: 12.5px; font-weight: 600;
  border-radius: 9px; cursor: pointer; transition: var(--t) var(--ease);
  display: flex; align-items: center; gap: 6px;
}
.logout-btn:hover {
  background: rgba(239,68,68,0.15);
  transform: translateY(-1px);
}

.sidebar-divider {
  height: 1px; background: var(--border); margin: 0 16px; flex-shrink: 0;
}

/* Sidebar head */
.sidebar-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 16px 10px;
}
.sidebar-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-3);
  display: flex; align-items: center; gap: 5px;
}
.clear-history-btn {
  width: 24px; height: 24px; border-radius: 6px;
  background: transparent; border: none;
  color: var(--text-4); cursor: pointer;
  transition: var(--t) var(--ease);
  display: flex; align-items: center; justify-content: center;
}
.clear-history-btn:hover {
  background: rgba(239,68,68,0.1); color: #fca5a5;
  transform: none; box-shadow: none;
}

/* Search */
.search-wrap {
  position: relative; margin: 0 12px 12px;
}
.search-icon {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  color: var(--text-4); pointer-events: none;
}
#historySearch {
  width: 100%; padding: 9px 12px 9px 32px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border); outline: none;
  background: rgba(255,255,255,0.03);
  color: var(--text); font-family: var(--font-body); font-size: 13px;
  transition: var(--t) var(--ease);
}
#historySearch::placeholder { color: var(--text-4); }
#historySearch:focus {
  border-color: rgba(79,132,255,0.38);
  background: rgba(79,132,255,0.05);
}

/* Session list */
.session-list {
  display: flex; flex-direction: column; gap: 4px; padding: 0 10px;
}
.session-item {
  padding: 10px 11px; border-radius: 10px;
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
  cursor: pointer; transition: var(--t) var(--ease);
  position: relative; overflow: hidden;
}
.session-item::before {
  content: "";
  position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 2px; border-radius: 0 2px 2px 0;
  background: var(--grad-primary);
  opacity: 0; transition: var(--t) var(--ease);
}
.session-item:hover {
  background: rgba(79,132,255,0.07);
  border-color: rgba(79,132,255,0.18);
  transform: translateX(3px);
}
.session-item:hover::before { opacity: 1; }
.session-item div {
  font-size: 12.5px; color: var(--text-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.session-timestamp {
  display: block; font-size: 11px; color: var(--text-4); margin-top: 2px;
}

/* Empty state */
.sidebar-empty {
  display: flex; flex-direction: column; align-items: center;
  gap: 6px; padding: 32px 18px; color: var(--text-4);
  font-size: 13px; text-align: center;
}
.empty-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.sidebar-empty small { font-size: 11.5px; color: var(--text-4); opacity: 0.7; }

/* Stats */
.sidebar-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; padding: 14px 14px 10px;
}
.stat-box {
  padding: 13px 12px; border-radius: var(--r-sm);
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border); text-align: center;
}
.stat-box strong {
  display: block; font-family: var(--font-display);
  font-size: 22px; font-weight: 800; margin-bottom: 1px;
  background: var(--grad-glow);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-box span {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--text-3); font-weight: 600;
}

/* Footer */
.sidebar-footer {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 14px 18px;
}
.version-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 3px 7px; border-radius: 5px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-4);
}
.version-tag.beta {
  background: rgba(79,132,255,0.08);
  border-color: rgba(79,132,255,0.18);
  color: rgba(122,174,255,0.7);
}
.sidebar-footer-brand {
  margin-left: auto; font-family: var(--font-display);
  font-size: 11px; font-weight: 700; color: var(--text-4); opacity: 0.6;
}

/* Overlay */
.sidebar-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 40; display: none; opacity: 0; transition: opacity 0.3s;
}
.sidebar-overlay.show { display: block; opacity: 1; }

/* ──────────────────────────────────────────────────────
   MAIN LAYOUT
────────────────────────────────────────────────────── */
.main {
  padding: 36px 32px 28px;
  min-height: calc(100vh - var(--nav-h));
  max-width: 1440px; margin: 0 auto;
}

/* ──────────────────────────────────────────────────────
   HERO
────────────────────────────────────────────────────── */
.hero { margin-bottom: 36px; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(79,132,255,0.08);
  border: 1px solid rgba(79,132,255,0.18);
  margin-bottom: 22px;
  font-size: 12px; font-weight: 600; color: var(--text-2);
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green-l);
  box-shadow: 0 0 8px rgba(52,211,153,0.7);
  animation: badgePulse 2.2s infinite;
  flex-shrink: 0;
}
@keyframes badgePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.eyebrow-sep { opacity: 0.3; }
.eyebrow-dim { color: var(--text-3); }

.hero h1 {
  font-family: var(--font-display);
  font-size: 52px; line-height: 1.06;
  font-weight: 800; letter-spacing: -2px;
  margin-bottom: 18px; color: var(--text);
}
.hero-highlight {
  background: var(--grad-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-dim { opacity: 0.6; }

.hero-sub {
  max-width: 580px; font-size: 15.5px;
  color: var(--text-2); line-height: 1.8;
  margin-bottom: 24px; font-weight: 400;
}

.hero-modes {
  display: flex; gap: 10px; flex-wrap: wrap;
}
.mode-pill {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px; border-radius: var(--r-sm);
}
.mode-pill strong {
  display: block; font-family: var(--font-display);
  font-size: 13px; font-weight: 800;
}
.mode-pill small {
  display: block; font-size: 11px; opacity: 0.7; letter-spacing: 0.02em;
}
.mode-icon { font-size: 18px; flex-shrink: 0; }
.mode-pill.fast {
  background: rgba(79,132,255,0.07);
  border: 1px solid rgba(79,132,255,0.22);
  color: var(--blue-l);
}
.mode-pill.full {
  background: rgba(139,92,246,0.07);
  border: 1px solid rgba(139,92,246,0.22);
  color: var(--violet-l);
}

/* ──────────────────────────────────────────────────────
   WORKSPACE GRID
────────────────────────────────────────────────────── */
.workspace {
  display: grid;
  grid-template-columns: 380px 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
  align-items: start;
}

.output-card {
  grid-column: 2;
  grid-row: 1 / span 2;
}

/* ──────────────────────────────────────────────────────
   CARDS
────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.04);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  position: relative; overflow: hidden;
  transition: border-color var(--t) var(--ease),
              box-shadow var(--t) var(--ease);
}

/* Top edge shimmer */
.card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(79,132,255,0.35) 35%,
    rgba(139,92,246,0.35) 65%,
    transparent 100%
  );
}

/* Mouse-tracking glow */
.card::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(
    240px circle at var(--mouse-x, -300px) var(--mouse-y, -300px),
    rgba(79,132,255,0.055), transparent
  );
  opacity: 0; transition: opacity 0.4s; pointer-events: none; border-radius: inherit;
}
.card:hover { border-color: var(--border-h); }
.card:hover::after { opacity: 1; }

.card-head {
  display: flex; justify-content: space-between;
  align-items: center; margin-bottom: 18px;
}
.card-title {
  font-family: var(--font-display);
  font-size: 13.5px; font-weight: 700; letter-spacing: 0.02em;
  color: var(--text);
  display: flex; align-items: center; gap: 7px;
}
.card-title svg { color: var(--blue); flex-shrink: 0; }

.card-badge {
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.07em;
  text-transform: uppercase; padding: 3px 9px; border-radius: 6px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-3);
}

.task-id {
  font-family: 'Courier New', monospace;
  font-size: 10px; color: var(--text-4);
  padding: 3px 8px; border-radius: 6px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ──────────────────────────────────────────────────────
   TEXTAREA
────────────────────────────────────────────────────── */
.textarea-wrap {
  border-radius: var(--r-sm); overflow: hidden;
  border: 1px solid var(--border);
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.textarea-wrap:focus-within {
  border-color: rgba(79,132,255,0.4);
  box-shadow: 0 0 0 3px rgba(79,132,255,0.08), 0 0 20px rgba(79,132,255,0.06);
}
#taskInput {
  width: 100%; min-height: 190px;
  resize: vertical; border: none; outline: none;
  background: rgba(0,0,0,0.4);
  color: var(--text); padding: 15px;
  font-family: var(--font-body); font-size: 14px; line-height: 1.72;
  display: block;
}
#taskInput::placeholder { color: var(--text-4); line-height: 1.72; }

.input-bottom {
  margin-top: 12px; display: flex;
  justify-content: space-between; align-items: center;
}
.input-meta {
  display: flex; align-items: baseline; gap: 4px;
}
.input-meta span:first-child {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 700; color: var(--text-3);
}
.char-label { font-size: 11px; color: var(--text-4); font-weight: 500; }

/* ──────────────────────────────────────────────────────
   BUTTONS
────────────────────────────────────────────────────── */
button {
  border: none; cursor: pointer;
  font-family: var(--font-body); font-weight: 600; color: white;
  transition: var(--t) var(--ease);
}

/* Submit */
#submitBtn {
  padding: 10px 22px; border-radius: var(--r-sm);
  background: var(--grad-primary);
  font-family: var(--font-display);
  font-size: 13.5px; font-weight: 700;
  display: flex; align-items: center; gap: 7px;
  box-shadow: 0 4px 20px rgba(79,132,255,0.32),
              inset 0 1px 0 rgba(255,255,255,0.15);
  position: relative; overflow: hidden;
  letter-spacing: 0.01em;
}
#submitBtn::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.09) 0%, transparent 50%);
  pointer-events: none;
}
#submitBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(79,132,255,0.45), inset 0 1px 0 rgba(255,255,255,0.15);
}
#submitBtn:active { transform: translateY(0); }
#submitBtn:disabled {
  opacity: 0.5; cursor: not-allowed;
  transform: none; box-shadow: none;
}

/* Action buttons */
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.action-btn {
  padding: 6px 11px; border-radius: 8px;
  background: var(--glass); border: 1px solid var(--border);
  color: var(--text-3); font-size: 12px; font-weight: 600;
  display: flex; align-items: center; gap: 5px;
  transition: var(--t) var(--ease);
}
.action-btn:hover {
  background: var(--glass-h); color: var(--text-2);
  border-color: var(--border-h);
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}
.action-btn.success {
  background: rgba(16,185,129,0.12) !important;
  border-color: rgba(16,185,129,0.3) !important;
  color: var(--green-l) !important;
}

/* ──────────────────────────────────────────────────────
   PROGRESS
────────────────────────────────────────────────────── */
.progress-wrap { margin-bottom: 14px; }
.progress-labels {
  display: flex; justify-content: space-between;
  font-size: 11px; font-weight: 600; color: var(--text-4);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 7px;
}
.progress-track {
  height: 4px; border-radius: 999px;
  background: rgba(255,255,255,0.05);
  overflow: visible; position: relative;
}
#progressBarFill {
  width: 0%; height: 100%; border-radius: 999px;
  background: var(--grad-glow);
  transition: width 0.45s var(--ease);
  position: relative; overflow: hidden;
}
.progress-shimmer {
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%
  );
  animation: shimmer 1.8s infinite;
  transform: translateX(-100%);
}
@keyframes shimmer { to { transform: translateX(400%); } }
#progressBarGlow {
  position: absolute; right: -2px; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px 4px rgba(34,211,238,0.55);
  transition: opacity 0.3s; opacity: 0;
}

/* ──────────────────────────────────────────────────────
   LOGS
────────────────────────────────────────────────────── */
.logs {
  min-height: 200px; max-height: 280px; overflow: auto;
  padding: 12px; border-radius: var(--r-sm);
  background: rgba(0,0,0,0.45);
  border: 1px solid var(--border);
  font-size: 12.5px; line-height: 1.65;
}
.log-row {
  padding: 5px 2px;
  border-bottom: 1px solid rgba(255,255,255,0.025);
  color: var(--text-3);
  display: flex; align-items: baseline; gap: 8px;
  animation: logFadeIn 0.18s ease;
}
.log-row::before {
  content: "›"; color: var(--text-4); flex-shrink: 0; font-size: 13px;
}
.log-row.success { color: #86efac; }
.log-row.success::before { color: var(--green); }
.log-row.error { color: #fca5a5; }
.log-row.error::before { color: var(--red); }
@keyframes logFadeIn {
  from { opacity: 0; transform: translateY(-3px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ──────────────────────────────────────────────────────
   OUTPUT BLOCK
────────────────────────────────────────────────────── */
#outputBlock {
  white-space: pre-wrap;
  min-height: 560px; overflow: auto;
  padding: 18px; border-radius: var(--r-sm);
  background: rgba(0,0,0,0.42);
  border: 1px solid var(--border);
  font-family: var(--font-body); font-size: 14px; line-height: 1.88;
  color: var(--text-2); transition: opacity 0.3s;
}

/* ──────────────────────────────────────────────────────
   TYPING INDICATOR
────────────────────────────────────────────────────── */
.typing {
  display: none; align-items: center; gap: 5px;
  margin-top: 12px; padding: 7px 14px; border-radius: 999px;
  background: rgba(79,132,255,0.07);
  border: 1px solid rgba(79,132,255,0.15);
  width: fit-content;
}
.typing span:not(.typing-label) {
  display: inline-block;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--blue-l);
  animation: typingBounce 1.1s infinite alternate;
}
.typing span:nth-child(2) { animation-delay: 0.18s; }
.typing span:nth-child(3) { animation-delay: 0.36s; }
.typing-label {
  font-size: 12px; font-weight: 600; color: var(--text-3);
  margin-left: 4px; animation: none;
  width: auto; height: auto; border-radius: 0; background: none;
}
@keyframes typingBounce { to { transform: translateY(-5px); opacity: 0.35; } }

/* ──────────────────────────────────────────────────────
   TOASTS
────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: calc(var(--nav-h) + 14px); right: 20px;
  z-index: 1000; display: flex; flex-direction: column;
  gap: 9px; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px; border-radius: var(--r-sm);
  background: rgba(6, 10, 22, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: var(--shadow);
  color: var(--text); font-size: 13px; font-weight: 500;
  animation: toastIn 0.26s var(--ease) forwards;
  max-width: 300px; pointer-events: all;
}
.toast.success { border-color: rgba(16,185,129,0.25); }
.toast.error   { border-color: rgba(239,68,68,0.25); }
.toast.info    { border-color: rgba(79,132,255,0.25); }
.toast-icon {
  width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 800; flex-shrink: 0;
}
.toast.success .toast-icon { background: rgba(16,185,129,0.18); color: var(--green-l); }
.toast.error   .toast-icon { background: rgba(239,68,68,0.18);  color: #fca5a5; }
.toast.info    .toast-icon { background: rgba(79,132,255,0.18); color: var(--blue-l); }
@keyframes toastIn  { from { transform: translateX(110%); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes toastSlideOut { to { transform: translateX(110%); opacity: 0; } }

/* ──────────────────────────────────────────────────────
   FOOTER
────────────────────────────────────────────────────── */
.footer {
  margin-top: 28px; padding: 18px 0 10px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.footer-left {
  display: flex; align-items: center; gap: 10px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 13px; font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-sep { color: var(--text-4); }
.footer-stat { font-size: 12.5px; color: var(--text-3); }
.footer-right { font-size: 12px; color: var(--text-4); }

/* ──────────────────────────────────────────────────────
   METRICS ROW
────────────────────────────────────────────────────── */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 16px 18px;
  border-radius: var(--r);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.metric-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg,
    transparent, rgba(79,132,255,0.28), rgba(139,92,246,0.28), transparent
  );
}
.metric-card:hover {
  border-color: var(--border-h);
  box-shadow: var(--shadow-sm);
}

.metric-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.metric-icon--blue   { background: rgba(79,132,255,0.12);  color: var(--blue-l);   border: 1px solid rgba(79,132,255,0.2); }
.metric-icon--violet { background: rgba(139,92,246,0.12); color: var(--violet-l); border: 1px solid rgba(139,92,246,0.2); }
.metric-icon--green  { background: rgba(16,185,129,0.12); color: var(--green-l);  border: 1px solid rgba(16,185,129,0.2); }
.metric-icon--cyan   { background: rgba(34,211,238,0.10); color: var(--cyan);     border: 1px solid rgba(34,211,238,0.18); }

.metric-body {
  display: flex; flex-direction: column; gap: 1px; flex: 1; min-width: 0;
}
.metric-body strong {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 800;
  line-height: 1.1;
  background: var(--grad-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.metric-body span {
  font-size: 11px; font-weight: 600; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.06em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.metric-trend {
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 7px; border-radius: 6px;
  white-space: nowrap; flex-shrink: 0;
  align-self: flex-start;
}
.metric-trend.up      { background: rgba(16,185,129,0.1);  color: var(--green-l); }
.metric-trend.neutral { background: rgba(255,255,255,0.05); color: var(--text-3); }
.metric-trend.down    { background: rgba(239,68,68,0.1);    color: #fca5a5; }

@media (max-width: 960px) {
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .metrics-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric-card { padding: 12px 13px; gap: 10px; }
  .metric-body strong { font-size: 18px; }
  .metric-trend { display: none; }
}

/* ──────────────────────────────────────────────────────
   SPARKLINE
────────────────────────────────────────────────────── */
.metric-card--spark { gap: 10px; }
.sparkline {
  display: block; flex-shrink: 0;
  opacity: 0.85; border-radius: 4px;
}

/* ──────────────────────────────────────────────────────
   OUTPUT SHIMMER OVERLAY
────────────────────────────────────────────────────── */
.output-shimmer {
  display: none;
  flex-direction: column;
  gap: 11px;
  padding: 18px;
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.42);
  border-radius: var(--r-sm);
  z-index: 2;
  pointer-events: none;
  /* inset inside the card padding */
  top: 62px; /* below card-head */
  left: 22px; right: 22px; bottom: 22px;
  border: 1px solid var(--border);
}
.output-shimmer.visible { display: flex; }

.shimmer-line {
  height: 13px; border-radius: 6px; flex-shrink: 0;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.04) 0%,
    rgba(79,132,255,0.10) 40%,
    rgba(139,92,246,0.10) 60%,
    rgba(255,255,255,0.04) 100%
  );
  background-size: 300% 100%;
  animation: shimmerSlide 1.9s ease-in-out infinite;
}
.shimmer-line:nth-child(2)  { animation-delay: 0.10s; }
.shimmer-line:nth-child(3)  { animation-delay: 0.20s; }
.shimmer-line:nth-child(4)  { animation-delay: 0.30s; }
.shimmer-line:nth-child(5)  { animation-delay: 0.40s; }
.shimmer-line:nth-child(6)  { animation-delay: 0.50s; }
.shimmer-line:nth-child(7)  { animation-delay: 0.60s; }
.shimmer-line:nth-child(8)  { animation-delay: 0.70s; }
.shimmer-line:nth-child(9)  { animation-delay: 0.80s; }
.shimmer-line:nth-child(10) { animation-delay: 0.90s; }
.shimmer-line:nth-child(11) { animation-delay: 1.00s; }
.shimmer-line--gap { margin-top: 6px; }

@keyframes shimmerSlide {
  0%   { background-position: 200% center; }
  100% { background-position: -200% center; }
}

/* output-card needs relative + overflow:visible for the absolute shimmer */
.output-card { position: relative; overflow: visible; }

/* ──────────────────────────────────────────────────────
   SCROLLBAR
────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(79,132,255,0.18); border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(79,132,255,0.36); }

/* ──────────────────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .workspace {
    grid-template-columns: 340px 1fr;
  }
  .hero h1 { font-size: 44px; letter-spacing: -1.5px; }
}

@media (max-width: 960px) {
  .main { padding: 22px 20px; }
  .workspace { grid-template-columns: 1fr; }
  .output-card { grid-column: auto; grid-row: auto; }
  .hero h1 { font-size: 36px; letter-spacing: -1px; }
  .nav-center { display: none; }
}

@media (max-width: 640px) {
  .navbar { padding: 0 14px; }
  .main { padding: 14px; }
  .hero { margin-bottom: 24px; }
  .hero h1 { font-size: 28px; letter-spacing: -0.5px; }
  .hero-sub { font-size: 14px; }
  .hero-modes { flex-direction: column; }
  .actions { flex-wrap: wrap; }
  .card { padding: 16px; }
  .live-status span:last-child { display: none; }
}

/* ──────────────────────────────────────────────────────
   SPIN KEYFRAME (used by JS)
────────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }