/* ============================================================
   CodeArena ShieldCode - Tema Cyber/Gamer
   © Rodrigo Braga Tere - LPP UNIFESO
   ============================================================ */

:root,
html[data-theme="dark"] {
  --bg-0: #060912;
  --bg-1: #0b1226;
  --bg-2: #111a36;
  --bg-3: #18244a;

  --primary: #00d4ff;
  --primary-2: #0099ff;
  --accent: #00ff99;
  --accent-2: #66ff00;
  --warning: #ffb800;
  --danger: #ff3b6f;
  --purple: #a855f7;

  --text-0: #f5fbff;
  --text-1: #c9d6e8;
  --text-2: #7d8aa3;

  --border: rgba(0, 212, 255, 0.18);
  --border-strong: rgba(0, 212, 255, 0.4);

  --shadow-glow: 0 0 24px rgba(0, 212, 255, 0.35);
  --shadow-glow-green: 0 0 24px rgba(0, 255, 153, 0.35);
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-header: 0 4px 24px rgba(0, 0, 0, 0.6);

  --btn-text: #0a0f1f;
  --input-bg: rgba(0, 0, 0, 0.4);
  --input-bg-focus: rgba(0, 0, 0, 0.6);
  --surface-muted: rgba(0, 0, 0, 0.35);
  --surface-hover: rgba(0, 212, 255, 0.06);
  --overlay-bg: rgba(0, 0, 0, 0.78);
  --code-bg: #06080f;
  --code-fg: #d6e4ff;
  --footer-fade: #02050d;
  --grid-line: rgba(0, 212, 255, 0.05);
  --header-bg: rgba(6, 9, 18, 0.92);
  --header-bg-end: rgba(6, 9, 18, 0.78);
  --logo-support-bg: rgba(0, 0, 0, 0.25);
  --xp-track: rgba(0, 0, 0, 0.5);
  --row-highlight: rgba(0, 212, 255, 0.08);
  --avatar-on-gradient: #06080f;
  --body-grad-1: rgba(0, 153, 255, 0.18);
  --body-grad-2: rgba(168, 85, 247, 0.15);
  --body-grad-3: rgba(0, 255, 153, 0.12);
  --scrollbar-track: #06080f;
}

html[data-theme="light"] {
  --bg-0: #eef2f8;
  --bg-1: #e4eaf4;
  --bg-2: #d8e0ec;
  --bg-3: #c5d0e0;

  --primary: #0077b6;
  --primary-2: #005f92;
  --accent: #059669;
  --accent-2: #10b981;
  --warning: #d97706;
  --danger: #dc2626;
  --purple: #7c3aed;

  --text-0: #0f172a;
  --text-1: #334155;
  --text-2: #64748b;

  --border: rgba(0, 119, 182, 0.22);
  --border-strong: rgba(0, 119, 182, 0.45);

  --shadow-glow: 0 0 20px rgba(0, 119, 182, 0.18);
  --shadow-glow-green: 0 0 20px rgba(5, 150, 105, 0.18);
  --shadow-card: 0 10px 28px rgba(15, 23, 42, 0.1);
  --shadow-header: 0 4px 20px rgba(15, 23, 42, 0.08);

  --btn-text: #ffffff;
  --input-bg: rgba(255, 255, 255, 0.92);
  --input-bg-focus: #ffffff;
  --surface-muted: rgba(255, 255, 255, 0.75);
  --surface-hover: rgba(0, 119, 182, 0.08);
  --overlay-bg: rgba(15, 23, 42, 0.45);
  --code-bg: #1e293b;
  --code-fg: #e2e8f0;
  --footer-fade: #dce4f0;
  --grid-line: rgba(0, 119, 182, 0.07);
  --header-bg: rgba(238, 242, 248, 0.94);
  --header-bg-end: rgba(238, 242, 248, 0.88);
  --logo-support-bg: rgba(255, 255, 255, 0.85);
  --xp-track: rgba(15, 23, 42, 0.08);
  --row-highlight: rgba(0, 119, 182, 0.1);
  --avatar-on-gradient: #ffffff;
  --body-grad-1: rgba(0, 119, 182, 0.1);
  --body-grad-2: rgba(124, 58, 237, 0.08);
  --body-grad-3: rgba(5, 150, 105, 0.1);
  --scrollbar-track: #e4eaf4;
}

:root {
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 22px;

  --font-display: 'Orbitron', 'Rajdhani', system-ui, sans-serif;
  --font-body: 'Rajdhani', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(1100px 600px at 10% -10%, var(--body-grad-1), transparent 60%),
    radial-gradient(1000px 500px at 110% 10%, var(--body-grad-2), transparent 60%),
    radial-gradient(900px 700px at 50% 120%, var(--body-grad-3), transparent 60%),
    var(--bg-0);
  transition: background-color 0.25s ease, color 0.25s ease;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

main, .ca-shell { position: relative; z-index: 1; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-0);
}

h1 { font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.05; }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); }
h3 { font-size: 1.4rem; }

a { color: var(--primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent); }

code, pre { font-family: var(--font-mono); }

/* ====================== HEADER ====================== */
.ca-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, var(--header-bg) 0%, var(--header-bg-end) 100%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-header);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.ca-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.65rem 1.25rem;
}

.ca-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text-0);
}

.ca-brand img {
  height: 56px;
  width: auto;
  filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.45));
  transition: transform .25s ease, filter .25s ease;
}
.ca-brand:hover img {
  transform: scale(1.04);
  filter: drop-shadow(0 0 18px rgba(0, 255, 153, 0.65));
}

.ca-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.ca-brand-text .title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  background: linear-gradient(90deg, #fff, var(--primary) 50%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.08em;
}
.ca-brand-text .subtitle {
  font-size: 0.7rem;
  color: var(--text-2);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 2px;
}

.ca-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.ca-nav a {
  color: var(--text-1);
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: all .2s;
  letter-spacing: 0.02em;
}
.ca-nav a i { margin-right: 0.35rem; }
.ca-nav a:hover {
  color: var(--accent);
  background: var(--surface-hover);
}
.ca-nav a.active {
  color: var(--primary);
  background: rgba(0, 212, 255, 0.1);
  box-shadow: inset 0 0 0 1px var(--border);
}

.ca-nav .user-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-left: 0.5rem;
  cursor: pointer;
  transition: all .2s;
}
.ca-nav .user-pill:hover { background: rgba(0, 212, 255, 0.18); }
.ca-nav .user-pill .avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--avatar-on-gradient);
}

.ca-nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-left: 0.35rem;
}

.ca-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-hover);
  color: var(--primary);
  cursor: pointer;
  font-size: 1.15rem;
  flex-shrink: 0;
  transition: all 0.2s ease;
}
.ca-theme-toggle:hover {
  border-color: var(--border-strong);
  color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
html[data-theme="light"] .ca-theme-toggle:hover {
  box-shadow: var(--shadow-glow);
}

.ca-burger {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-0);
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

@media (max-width: 920px) {
  .ca-burger { display: inline-flex; align-items: center; justify-content: center; }
  .ca-nav {
    position: absolute;
    top: 100%;
    right: 1rem;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem;
    min-width: 220px;
    display: none;
    box-shadow: var(--shadow-card);
  }
  .ca-nav.open { display: flex; }
}

/* ====================== FOOTER ====================== */
.ca-footer {
  margin-top: 4rem;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.12) 30%, var(--footer-fade) 100%);
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.25rem 1.25rem;
  position: relative;
  z-index: 1;
  transition: background 0.25s ease;
}
html[data-theme="dark"] .ca-footer {
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.65) 30%, var(--footer-fade) 100%);
}

.ca-footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.ca-footer-brand { display: flex; flex-direction: column; gap: 1rem; }
.ca-footer-brand p { color: var(--text-2); margin: 0; font-size: 0.95rem; }

/* Containers proporcionais para logos no rodapé */
.ca-footer-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--logo-support-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-sizing: border-box;
}
.ca-footer-logo-wrap img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
}

.ca-footer-logo-wrap--main {
  max-width: 300px;
  min-height: 110px;
  padding: 0.65rem 0.85rem;
}
.ca-footer-logo-wrap--main .logo-main {
  max-height: 120px;
  max-width: 280px;
  filter: drop-shadow(0 0 14px rgba(0, 212, 255, 0.35));
}
html[data-theme="light"] .ca-footer-logo-wrap--main .logo-main {
  filter: drop-shadow(0 4px 12px rgba(0, 119, 182, 0.2));
}

.ca-footer-logo-wrap--lpp {
  max-width: 100%;
  min-height: 64px;
  padding: 0.6rem 1rem;
}
.ca-footer-logo-wrap--lpp .logo-lpp {
  max-height: 52px;
  max-width: min(100%, 260px);
}

.ca-footer-logo-wrap--rodrigo {
  max-width: 100%;
  min-height: 88px;
  padding: 0.65rem 1rem;
}
.ca-footer-logo-wrap--rodrigo .logo-rodrigo {
  max-height: 80px;
  max-width: min(100%, 220px);
}

html[data-theme="light"] .ca-footer-logo-wrap {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
}
html[data-theme="dark"] .ca-footer-logo-wrap {
  background: rgba(8, 12, 24, 0.75);
}

.ca-footer-section h4 {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 0.85rem;
}
.ca-footer-section ul { list-style: none; margin: 0; padding: 0; }
.ca-footer-section li { margin-bottom: 0.45rem; }
.ca-footer-section a { color: var(--text-1); }
.ca-footer-section a:hover { color: var(--accent); }

.ca-support-logos {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.85rem;
  margin-top: 0.5rem;
  width: 100%;
  max-width: 300px;
}
.ca-support-logos .ca-footer-logo-wrap {
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.ca-support-logos .ca-footer-logo-wrap:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-glow);
}

.ca-footer-bottom {
  max-width: 1320px;
  margin: 2rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-2);
  font-size: 0.85rem;
}
.ca-footer-bottom .copy {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.ca-footer-bottom .copy strong { color: var(--text-0); }

@media (max-width: 820px) {
  .ca-footer-inner { grid-template-columns: 1fr; }
  .ca-footer-bottom { flex-direction: column; text-align: center; }
  .ca-footer-logo-wrap--main { max-width: 100%; }
  .ca-support-logos { max-width: 100%; }
  .ca-footer-logo-wrap--lpp .logo-lpp { max-width: 100%; max-height: 48px; }
  .ca-footer-logo-wrap--rodrigo .logo-rodrigo { max-width: 100%; max-height: 72px; }
}

/* ====================== BUTTONS ====================== */
.btn-cyber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: var(--btn-text);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 0;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: var(--shadow-glow);
  text-decoration: none;
}
.btn-cyber:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 212, 255, 0.55);
  color: var(--btn-text);
}
html[data-theme="light"] .btn-cyber:hover {
  box-shadow: 0 8px 24px rgba(0, 119, 182, 0.35);
}
.btn-cyber.green {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow-glow-green);
}
.btn-cyber.green:hover { box-shadow: 0 8px 28px rgba(0, 255, 153, 0.55); }
.btn-cyber.outline {
  background: transparent;
  color: var(--primary);
  box-shadow: inset 0 0 0 2px var(--primary);
}
.btn-cyber.outline:hover {
  background: rgba(0, 212, 255, 0.12);
  color: var(--accent);
}
.btn-cyber.danger {
  background: linear-gradient(135deg, var(--danger), #c01d4f);
  color: #fff;
  box-shadow: 0 0 24px rgba(255, 59, 111, 0.35);
}
.btn-cyber.sm { padding: 0.45rem 0.95rem; font-size: 0.8rem; }

/* ====================== CARDS ====================== */
.ca-card {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  box-shadow: var(--shadow-card);
}
.ca-card:hover { border-color: var(--border-strong); }
.ca-card.hover-lift:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-strong); }

.ca-card .corner {
  position: absolute; width: 16px; height: 16px; border: 2px solid var(--primary);
  pointer-events: none;
}
.ca-card .corner.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.ca-card .corner.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.ca-card .corner.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.ca-card .corner.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* ====================== HERO ====================== */
.ca-hero {
  position: relative;
  padding: 5rem 1.25rem 4rem;
  max-width: 1320px;
  margin: 0 auto;
}
.ca-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
}
.ca-hero h1 .grad {
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 60%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 14px rgba(0, 212, 255, 0.3));
}
.ca-hero p.lead {
  color: var(--text-1);
  font-size: 1.15rem;
  max-width: 580px;
  margin: 1rem 0 1.8rem;
}
.ca-hero .badges-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.ca-hero .badges-inline span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text-1);
}
.ca-hero .badges-inline span i { color: var(--accent); }

.ca-hero-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ca-hero-art img {
  width: 100%;
  max-width: 460px;
  filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.4));
  animation: floaty 5s ease-in-out infinite;
}
.ca-hero-art::before {
  content: '';
  position: absolute;
  inset: 10% 10%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.25), transparent 70%);
  filter: blur(40px);
  z-index: 0;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 860px) {
  .ca-hero-grid { grid-template-columns: 1fr; text-align: center; }
  .ca-hero p.lead { margin-left: auto; margin-right: auto; }
  .ca-hero .badges-inline { justify-content: center; }
}

/* ====================== SECTIONS ====================== */
.ca-section {
  max-width: 1320px;
  margin: 0 auto;
  padding: 3rem 1.25rem;
}
.ca-section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.8rem;
}
.ca-section-title h2 .grad {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ca-section-subtitle {
  color: var(--text-2);
  max-width: 720px;
  margin: -0.5rem 0 1.8rem;
}

.ca-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* ====================== FEATURE CARDS ====================== */
.ca-feature {
  text-align: left;
}
.ca-feature .icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.18), rgba(0, 255, 153, 0.18));
  border: 1px solid var(--border);
  color: var(--accent);
  margin-bottom: 1rem;
}
.ca-feature h3 { margin: 0 0 0.4rem; font-size: 1.15rem; }
.ca-feature p { color: var(--text-2); margin: 0; }

/* ====================== STAT CARDS ====================== */
.ca-stat {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
}
.ca-stat .icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid var(--border);
  color: var(--primary);
}
.ca-stat .value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--text-0);
  font-weight: 800;
  line-height: 1;
}
.ca-stat .label { color: var(--text-2); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; }

/* ====================== XP BAR ====================== */
.xp-bar-wrap {
  background: var(--xp-track);
  border: 1px solid var(--border);
  border-radius: 999px;
  height: 14px;
  overflow: hidden;
  position: relative;
}
.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  box-shadow: 0 0 12px rgba(0, 255, 153, 0.55);
  width: 0;
  transition: width 0.6s ease;
}
.xp-bar-text {
  font-size: 0.85rem;
  color: var(--text-2);
  margin-top: 0.35rem;
  display: flex;
  justify-content: space-between;
}

/* ====================== BADGES ====================== */
.badge-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  border-radius: 16px;
  font-size: 1.6rem;
  border: 1px solid var(--border);
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.08), transparent 60%), var(--bg-1);
  position: relative;
  transition: transform .2s;
}
.badge-chip:hover { transform: scale(1.08); }
.badge-chip.locked { opacity: 0.35; filter: grayscale(1); }
.badge-chip.unlocked { box-shadow: 0 0 18px rgba(0, 212, 255, 0.4); }

/* ====================== FORM ====================== */
.form-cyber label {
  display: block;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}
.form-cyber input,
.form-cyber select,
.form-cyber textarea,
.ca-inline-select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 0.7rem 0.95rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all .2s;
  outline: none;
}
.ca-inline-select {
  width: auto;
  padding: 0.45rem 0.8rem;
}
.form-cyber input:focus,
.form-cyber select:focus,
.form-cyber textarea:focus,
.ca-inline-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.18);
  background: var(--input-bg-focus);
}
html[data-theme="light"] .form-cyber input:focus,
html[data-theme="light"] .form-cyber select:focus,
html[data-theme="light"] .form-cyber textarea:focus,
html[data-theme="light"] .ca-inline-select:focus {
  box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.15);
}

.quiz-option-label {
  display: block;
  padding: 0.7rem 1rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  background: var(--surface-muted);
  transition: background 0.15s ease;
}
.quiz-option-label:hover {
  background: var(--surface-hover);
}
.form-cyber .field { margin-bottom: 1rem; }
.form-cyber .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-cyber textarea { resize: vertical; min-height: 120px; font-family: var(--font-mono); }

/* ====================== TABLES ====================== */
.ca-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-1);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.ca-table th, .ca-table td {
  padding: 0.85rem 1rem;
  text-align: left;
}
.ca-table thead th {
  background: rgba(0, 212, 255, 0.08);
  color: var(--primary);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  border-bottom: 1px solid var(--border);
}
.ca-table tbody tr { border-top: 1px solid rgba(255,255,255,0.04); transition: background .15s; }
.ca-table tbody tr:hover { background: rgba(0, 212, 255, 0.05); }
.ca-table .rank-1 { color: #facc15; font-weight: 800; }
.ca-table .rank-2 { color: #d1d5db; font-weight: 700; }
.ca-table .rank-3 { color: #f59e0b; font-weight: 700; }

/* ====================== TAGS ====================== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid currentColor;
}
.tag.py { color: #3b82f6; }
.tag.java { color: #f59e0b; }
.tag.easy { color: var(--accent); }
.tag.medium { color: var(--warning); }
.tag.hard { color: var(--danger); }
.tag.boss { color: var(--purple); }
.tag.algoritmo { color: var(--primary); }
.tag.ciberseguranca { color: var(--accent); }

/* ====================== MISSION CARDS ====================== */
.mission-card { display: flex; flex-direction: column; gap: 0.8rem; min-height: 100%; }
.mission-card .head { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.mission-card .title { font-family: var(--font-display); color: var(--text-0); margin: 0; font-size: 1.05rem; }
.mission-card .desc { color: var(--text-2); font-size: 0.92rem; flex: 1; }
.mission-card .footer { display: flex; justify-content: space-between; align-items: center; padding-top: 0.5rem; border-top: 1px dashed var(--border); }
.mission-card .xp { color: var(--accent); font-weight: 800; font-family: var(--font-display); }

.game-card { display: flex; flex-direction: column; min-height: 100%; transition: transform .25s, border-color .25s, box-shadow .25s; }
.game-card:hover { border-color: rgba(251, 146, 60, 0.5); }
.game-card .footer .btn-cyber { opacity: 0.95; }

/* ====================== MODAL ====================== */
.ca-modal {
  position: fixed; inset: 0; background: var(--overlay-bg);
  display: none; align-items: center; justify-content: center;
  padding: 1rem; z-index: 100; backdrop-filter: blur(6px);
}
.ca-modal.open { display: flex; }
.ca-modal .ca-card { max-width: 720px; width: 100%; max-height: 88vh; overflow-y: auto; }
.ca-modal .close {
  position: absolute; top: 12px; right: 12px;
  background: transparent; border: 0; color: var(--text-1);
  font-size: 1.4rem; cursor: pointer;
}

/* ====================== TOAST ====================== */
.ca-toast-wrap {
  position: fixed; right: 1rem; top: 1rem; z-index: 200;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.ca-toast {
  background: var(--bg-1);
  border: 1px solid var(--border-strong);
  border-left-width: 4px;
  border-left-color: var(--primary);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-0);
  min-width: 240px;
  box-shadow: var(--shadow-card);
  animation: slideIn .25s ease;
}
.ca-toast.success { border-left-color: var(--accent); }
.ca-toast.error { border-left-color: var(--danger); }
.ca-toast.warn { border-left-color: var(--warning); }
@keyframes slideIn { from { transform: translateX(30px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ====================== AVATAR PICKER ====================== */
.avatar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
  gap: 0.6rem;
}
.avatar-pick {
  cursor: pointer;
  background: var(--input-bg);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem;
  text-align: center;
  font-size: 1.4rem;
  color: var(--primary);
  transition: all .15s;
  user-select: none;
}
.avatar-pick:hover { border-color: var(--accent); }
.avatar-pick.active { border-color: var(--primary); background: rgba(0, 212, 255, 0.1); box-shadow: 0 0 12px rgba(0, 212, 255, 0.4); }

/* ====================== CODE EDITOR ====================== */
.code-editor {
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.5;
  min-height: 180px;
  width: 100%;
  resize: vertical;
  outline: none;
  transition: all .2s;
}
.code-editor:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.18); }

/* ====================== UTIL ====================== */
.text-muted-2 { color: var(--text-2); }
.text-primary-glow { color: var(--primary); text-shadow: 0 0 12px rgba(0, 212, 255, 0.5); }
.text-accent-glow { color: var(--accent); text-shadow: 0 0 12px rgba(0, 255, 153, 0.5); }
.center { text-align: center; }
.gap-1 { gap: 0.5rem; } .gap-2 { gap: 1rem; } .gap-3 { gap: 1.5rem; }
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; }
.w-full { width: 100%; }

/* ====================== LOGIN PAGE ====================== */
.auth-shell {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}
.auth-card {
  width: 100%;
  max-width: 460px;
  padding: 2.4rem;
}
.auth-card h2 { margin-top: 0; text-align: center; }
.auth-tabs {
  display: flex;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 1.4rem;
}
.auth-tabs button {
  flex: 1;
  background: transparent;
  color: var(--text-2);
  border: 0;
  padding: 0.55rem;
  border-radius: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all .15s;
}
.auth-tabs button.active { background: linear-gradient(135deg, var(--primary), var(--accent)); color: var(--btn-text); }

.avatar-gradient-icon { color: var(--avatar-on-gradient); }
.history-code {
  background: var(--surface-muted);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  max-width: 280px;
  display: inline-block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ====================== SCROLLBAR ====================== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--primary), var(--purple)); border-radius: 5px; }

/* ====================== PROGRESS RING (level) ====================== */
.level-ring {
  position: relative;
  width: 120px; height: 120px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.level-ring svg { transform: rotate(-90deg); }
.level-ring .circle-bg { fill: none; stroke: rgba(0, 212, 255, 0.1); stroke-width: 10; }
.level-ring .circle-fill {
  fill: none; stroke: url(#ring-grad); stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset .6s ease;
  filter: drop-shadow(0 0 8px rgba(0, 255, 153, 0.7));
}
.level-ring .level-num {
  position: absolute;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.level-ring .level-lbl {
  position: absolute;
  bottom: 18px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-2);
  text-transform: uppercase;
}