/* ============================================================
   CARTA THEME — warm daylight analog precision
   The exact inverse of Circuit: prussian-blue ink on cream paper,
   copper-gold data, deep-navy sidebar. Same DNA, opposite world.
   ============================================================ */

/* 1. Color tokens */
[data-theme="carta"], :root[data-theme="carta"] {
  --bg:           #fafaf2;
  --surface:      #f5f5eb;
  --surface-2:    #edecdf;
  --surface-3:    #e4e3d3;
  --border:       #ccc9b5;
  --border-soft:  #dddad0;
  --border-glow:  rgba(12, 53, 88, 0.18);
  --text:         #18180f;
  --muted:        #786e54;
  --subtle:       #9a9076;
  --text-dim:     #bbb5a0;
  --primary:      #0c3558;
  --primary-light:#1a5f96;
  --primary-glow: rgba(12, 53, 88, 0.30);
  --accent:       #0c3558;
  --accent-2:     #c17d20;
  --magenta:      #8b2020;
  --magenta-glow: rgba(139, 32, 32, 0.25);
  --green:        #166534;
  --green-soft:   rgba(22, 101, 52, 0.09);
  --red:          #c41e1e;
  --red-soft:     rgba(196, 30, 30, 0.09);
  --yellow:       #b45309;
  --yellow-soft:  rgba(180, 83, 9, 0.09);
  --shadow-sm:    0 1px 3px rgba(20,16,8,0.07), 0 0 0 1px rgba(12,53,88,0.04);
  --shadow-md:    0 4px 14px rgba(20,16,8,0.11), 0 0 0 1px rgba(12,53,88,0.05);
  --shadow-lg:    0 16px 44px rgba(20,16,8,0.17), 0 0 0 1px rgba(12,53,88,0.07);
  --shadow-glow:  0 4px 20px rgba(12, 53, 88, 0.18);
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 12px;
  --sidebar-bg:           #0c2540;
  --sidebar-bg-2:         #0a1e33;
  --sidebar-text:         #6b8fa8;
  --sidebar-text-active:  #f0dea0;
  --sidebar-active-bg:    rgba(193, 125, 32, 0.18);
  --sidebar-hover-bg:     rgba(255, 255, 255, 0.05);
  --sidebar-accent:       #c17d20;
  --sidebar-glow:         #f0dea0;
  --sidebar-glow-shadow:  rgba(240, 222, 160, 0.45);
  --sidebar-border:       rgba(193, 125, 32, 0.12);
}

/* 2. Paper + circuit-trace background */
body[data-theme="carta"] {
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 20% 30%, rgba(193, 125, 32, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(12, 53, 88, 0.025) 0%, transparent 40%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><g fill='none' stroke='%23ccc9b0' stroke-width='0.5' opacity='0.45'><path d='M0 40 L60 40 L60 0 M40 200 L40 140 L100 140 L100 200 M200 60 L140 60 L140 100 L200 100 M0 160 L60 160 L60 120 L120 120'/><circle cx='60' cy='40' r='2' fill='%23c17d20' opacity='0.50'/><circle cx='40' cy='140' r='2' fill='%23c17d20' opacity='0.40'/><circle cx='140' cy='60' r='2' fill='%23c17d20' opacity='0.40'/><circle cx='60' cy='120' r='2' fill='%23c17d20' opacity='0.30'/></g></svg>");
  background-size: auto, auto, 200px 200px;
  background-attachment: fixed;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', system-ui, sans-serif;
  letter-spacing: -0.005em;
}

body[data-theme="carta"] aside {
  background-color: var(--sidebar-bg);
  background-image:
    linear-gradient(180deg, transparent 0%, rgba(193, 125, 32, 0.04) 50%, transparent 100%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 200'><g fill='none' stroke='%23c17d20' stroke-width='0.4' opacity='0.30'><path d='M0 20 L40 20 L40 60 M40 100 L80 100 L80 140 M20 160 L20 200'/><circle cx='40' cy='20' r='1.5' fill='%23c17d20'/><circle cx='40' cy='60' r='1' fill='%23f0dea0'/><circle cx='80' cy='100' r='1.5' fill='%23c17d20'/></g></svg>");
  background-size: auto, 80px 200px;
  border-right: 1px solid var(--sidebar-border);
}

/* 3. Typography */
body[data-theme="carta"] code,
body[data-theme="carta"] .mono,
body[data-theme="carta"] .stat .v,
body[data-theme="carta"] .kbd,
body[data-theme="carta"] input[type="number"],
body[data-theme="carta"] th,
body[data-theme="carta"] .stat-grid .v {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', 'SF Mono', 'Menlo', 'Roboto Mono', ui-monospace, monospace;
  font-feature-settings: "tnum" 1, "zero" 1;
  letter-spacing: 0.02em;
}
body[data-theme="carta"] h1,
body[data-theme="carta"] h2,
body[data-theme="carta"] h3,
body[data-theme="carta"] h4 { letter-spacing: -0.015em; font-weight: 700; }
body[data-theme="carta"] h2 {
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}
body[data-theme="carta"] label {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 600;
}

/* 4. Cards */
body[data-theme="carta"] .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s, transform .15s;
}
body[data-theme="carta"] .card::before {
  content: '';
  position: absolute;
  top: 0; left: 16px; right: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.25;
  transition: opacity .3s;
}
body[data-theme="carta"] .card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
body[data-theme="carta"] .card:hover::before { opacity: 0.6; }
body[data-theme="carta"] .card.highlight,
body[data-theme="carta"] .card.terminal { border-color: var(--accent); box-shadow: var(--shadow-md); }
body[data-theme="carta"] .card.terminal::after {
  content: '';
  position: absolute;
  inset: 8px;
  pointer-events: none;
  background:
    linear-gradient(to right, var(--accent) 12px, transparent 12px) top left / 12px 1px no-repeat,
    linear-gradient(to bottom, var(--accent) 12px, transparent 12px) top left / 1px 12px no-repeat,
    linear-gradient(to left, var(--accent) 12px, transparent 12px) top right / 12px 1px no-repeat,
    linear-gradient(to bottom, var(--accent) 12px, transparent 12px) top right / 1px 12px no-repeat,
    linear-gradient(to right, var(--accent) 12px, transparent 12px) bottom left / 12px 1px no-repeat,
    linear-gradient(to top, var(--accent) 12px, transparent 12px) bottom left / 1px 12px no-repeat,
    linear-gradient(to left, var(--accent) 12px, transparent 12px) bottom right / 12px 1px no-repeat,
    linear-gradient(to top, var(--accent) 12px, transparent 12px) bottom right / 1px 12px no-repeat;
  opacity: 0.35;
}

/* 5. Buttons */
body[data-theme="carta"] button {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #f0f8ff;
  border: 1px solid var(--accent);
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  transition: all .15s;
  box-shadow: 0 0 0 0 transparent;
  overflow: hidden;
}
body[data-theme="carta"] button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(12, 53, 88, 0.28);
  background: linear-gradient(135deg, var(--primary-light), #2272b0);
}
body[data-theme="carta"] button:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(12,53,88,0.20); }
body[data-theme="carta"] button::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  transform: translateX(-100%);
  transition: transform .5s;
  pointer-events: none;
}
body[data-theme="carta"] button:hover::after { transform: translateX(100%); }
body[data-theme="carta"] button.sec {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
  text-transform: none;
  letter-spacing: normal;
}
body[data-theme="carta"] button.sec:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 2px 10px rgba(12, 53, 88, 0.12);
  background: rgba(12, 53, 88, 0.04);
}
body[data-theme="carta"] button.ghost {
  background: transparent;
  color: var(--muted);
  border: 0;
  box-shadow: none;
  text-transform: none;
  letter-spacing: normal;
}
body[data-theme="carta"] button.danger {
  background: linear-gradient(135deg, #8b1a1a, var(--red));
  border-color: var(--red);
  color: #fff;
}
body[data-theme="carta"] .icon-btn {
  background: rgba(12, 53, 88, 0.05);
  border: 1px solid var(--border);
  color: var(--muted);
  text-transform: none;
  letter-spacing: normal;
  padding: 0;
  font-size: inherit;
}
body[data-theme="carta"] .icon-btn:hover {
  background: rgba(12, 53, 88, 0.10);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: none;
}
body[data-theme="carta"] .seg-control button,
body[data-theme="carta"] .tab {
  background: transparent;
  border: 0;
  box-shadow: none;
  text-transform: none;
  letter-spacing: normal;
  padding: 7px 10px;
  font-size: 12px;
}
body[data-theme="carta"] .seg-control button:hover,
body[data-theme="carta"] .tab:hover { transform: none; box-shadow: none; }
body[data-theme="carta"] .mobile-header .lang-switch button {
  background: transparent;
  border: 0;
  box-shadow: none;
  text-transform: none;
  letter-spacing: .5px;
  padding: 5px 10px;
  font-size: 11px;
}
body[data-theme="carta"] .mobile-header .lang-switch button:hover { transform: none; box-shadow: none; }

/* 6. Inputs */
body[data-theme="carta"] input[type=text],
body[data-theme="carta"] input[type=number],
body[data-theme="carta"] input[type=date],
body[data-theme="carta"] input[type=password],
body[data-theme="carta"] input[type=file],
body[data-theme="carta"] textarea,
body[data-theme="carta"] select {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
body[data-theme="carta"] input:focus,
body[data-theme="carta"] textarea:focus,
body[data-theme="carta"] select:focus {
  outline: 0;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(12, 53, 88, 0.12);
}
body[data-theme="carta"] input::placeholder { color: var(--text-dim); }

/* 7. Stats — copper numbers, navy labels */
body[data-theme="carta"] .stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px 12px;
  position: relative;
  overflow: hidden;
}
body[data-theme="carta"] .stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-2), transparent);
  opacity: 0.55;
}
body[data-theme="carta"] .stat .v {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 26px;
  font-weight: 700;
  color: var(--accent-2);
  letter-spacing: -0.5px;
  line-height: 1;
}
body[data-theme="carta"] .stat .l {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.8px;
  font-weight: 600;
  margin-top: 8px;
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
}
body[data-theme="carta"] .stat:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
body[data-theme="carta"] .stat.positive .v { color: var(--green); }
body[data-theme="carta"] .stat.negative .v { color: var(--red); }

/* 8. Sidebar */
body[data-theme="carta"] .brand-text h1 { color: #f0dea0; font-weight: 700; }
body[data-theme="carta"] .brand-text .sub {
  color: var(--sidebar-accent);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  letter-spacing: 2px;
}
body[data-theme="carta"] nav .group {
  color: var(--sidebar-accent);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  letter-spacing: 2px;
  opacity: 0.5;
  font-size: 9px;
}
body[data-theme="carta"] nav a {
  color: var(--sidebar-text);
  border-left: 2px solid transparent;
  transition: all .12s;
}
body[data-theme="carta"] nav a:hover { color: #d4c4a0; background: var(--sidebar-hover-bg); }
body[data-theme="carta"] nav a.active {
  color: var(--sidebar-text-active);
  background: var(--sidebar-active-bg);
  border-left-color: var(--sidebar-accent);
  font-weight: 600;
  position: relative;
}
body[data-theme="carta"] nav a.active::after {
  content: '';
  position: absolute;
  right: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sidebar-accent);
  box-shadow: 0 0 6px rgba(193, 125, 32, 0.6);
  animation: carta-pulse 2.5s ease-in-out infinite;
}
@keyframes carta-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 5px rgba(193, 125, 32, 0.5); }
  50% { opacity: 0.5; box-shadow: 0 0 10px rgba(193, 125, 32, 0.3); }
}

/* 9. Tables */
body[data-theme="carta"] table { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
body[data-theme="carta"] th {
  background: var(--surface-2);
  color: var(--accent);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 10px;
  font-weight: 700;
  border-bottom: 1px solid var(--accent);
  padding: 12px 14px;
}
body[data-theme="carta"] td { font-size: 13px; border-top: 1px solid var(--border-soft); }
body[data-theme="carta"] td.num,
body[data-theme="carta"] td[data-type="number"] {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  text-align: right;
  color: var(--accent-2);
}
body[data-theme="carta"] tr:hover td { background: rgba(12, 53, 88, 0.03); }

/* 10. Pills, badges, blockquote */
body[data-theme="carta"] .pill {
  background: rgba(12, 53, 88, 0.07);
  color: var(--accent);
  border: 1px solid rgba(12, 53, 88, 0.18);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
body[data-theme="carta"] .pill.primary {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(12, 53, 88, 0.25);
}
body[data-theme="carta"] .badge.win { background: var(--green-soft); color: var(--green); border: 1px solid rgba(22, 101, 52, 0.22); }
body[data-theme="carta"] .badge.loss { background: var(--red-soft); color: var(--red); border: 1px solid rgba(196, 30, 30, 0.22); }
body[data-theme="carta"] blockquote {
  border-left: 3px solid var(--magenta);
  background: linear-gradient(90deg, rgba(139, 32, 32, 0.05), transparent);
  color: var(--text);
  font-style: normal;
  font-weight: 500;
}

/* 11. Login overlay */
body[data-theme="carta"] .login-overlay::after { background: rgba(245, 240, 225, 0.40); }
body[data-theme="carta"] .login-box {
  background: rgba(250, 250, 242, 0.90);
  border-color: rgba(12, 53, 88, 0.30);
  box-shadow: 0 30px 80px rgba(20, 16, 8, 0.22), 0 0 40px rgba(12, 53, 88, 0.08);
}
body[data-theme="carta"] .login-brand h1 {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}
body[data-theme="carta"] .login-brand .sub {
  color: var(--accent);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  letter-spacing: 3px;
}
body[data-theme="carta"] .login-box form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(12, 53, 88, 0.12);
}
body[data-theme="carta"] .login-box form button {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: #fff;
}

/* 12. Progress bars */
body[data-theme="carta"] .progress {
  background: var(--surface-2);
  border: 1px solid var(--border);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
body[data-theme="carta"] .progress > div {
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  position: relative;
}
body[data-theme="carta"] .progress > div::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  animation: progress-scan 2s linear infinite;
}

/* 13. Background particles — navy ink drops */
body[data-theme="carta"] .bg-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
body[data-theme="carta"] .bg-particles span {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 4px rgba(12, 53, 88, 0.25);
  opacity: 0;
  animation: carta-particle 14s linear infinite;
}
body[data-theme="carta"] .bg-particles span:nth-child(1) { left: 10%; animation-delay: 0s; }
body[data-theme="carta"] .bg-particles span:nth-child(2) { left: 30%; animation-delay: 3.5s; }
body[data-theme="carta"] .bg-particles span:nth-child(3) { left: 55%; animation-delay: 5.5s; }
body[data-theme="carta"] .bg-particles span:nth-child(4) { left: 75%; animation-delay: 8s; }
body[data-theme="carta"] .bg-particles span:nth-child(5) { left: 90%; animation-delay: 11s; }
@keyframes carta-particle {
  0% { top: 100%; opacity: 0; }
  8% { opacity: 0.35; }
  92% { opacity: 0.20; }
  100% { top: -5%; opacity: 0; }
}

/* 14. Mobile */
@media (max-width: 480px) {
  body[data-theme="carta"] aside { background-size: auto, 60px 150px; }
}

/* 15. Sidebar control overrides */
body[data-theme="carta"] .lang-btn {
  background: transparent;
  border: 0;
  box-shadow: none;
  text-transform: none;
  letter-spacing: 1.5px;
  font-size: 13px;
  padding: 6px 0;
  color: var(--sidebar-text);
}
body[data-theme="carta"] .lang-btn::after { display: none; }
body[data-theme="carta"] .lang-btn:hover { transform: none; box-shadow: none; color: #f0dea0; }
body[data-theme="carta"] .ls-step {
  background: transparent;
  border: 0;
  box-shadow: none;
  text-transform: none;
  letter-spacing: normal;
  font-size: 13px;
  padding: 8px 6px 8px 0;
  color: var(--sidebar-text);
}
body[data-theme="carta"] .ls-step::after { display: none; }
body[data-theme="carta"] .ls-step:hover { transform: none; box-shadow: none; background: rgba(255,255,255,.04); }
body[data-theme="carta"] .opt-btn {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  text-transform: none;
  letter-spacing: normal;
  font-size: 13px;
  font-family: inherit;
}
body[data-theme="carta"] .opt-btn::after { display: none; }
body[data-theme="carta"] .opt-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }