/* ==========================================================================
   SkillPath AI — Design System
   Theme: "Diagnostic HUD" — a career vitals monitor.
   Signature element: the Skill Doctor scan ring (see .scan-ring)
   ========================================================================== */

:root {
  /* Color tokens */
  --void: #05060e;
  --void-2: #0a0d1c;
  --panel: rgba(20, 23, 42, 0.55);
  --panel-solid: #12142a;
  --border: rgba(140, 150, 210, 0.16);
  --border-strong: rgba(140, 150, 210, 0.32);
  --blue: #4f7cff;
  --purple: #9b5cff;
  --cyan: #2fe6d9;
  --amber: #ffb454;
  --red: #ff5c7a;
  --text: #eef0fb;
  --text-muted: #9298b8;
  --text-faint: #5c6284;

  /* Type */
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 900px 600px at 15% -10%, rgba(79, 124, 255, 0.16), transparent 60%),
    radial-gradient(ellipse 800px 700px at 100% 10%, rgba(155, 92, 255, 0.14), transparent 60%),
    radial-gradient(ellipse 700px 500px at 50% 100%, rgba(47, 230, 217, 0.08), transparent 60%),
    var(--void);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(140, 150, 210, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 150, 210, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 1200px 800px at 50% 0%, black, transparent 75%);
}

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 0.5em; letter-spacing: -0.01em; }
p { margin: 0 0 1em; color: var(--text-muted); }
a { color: inherit; text-decoration: none; }
.mono { font-family: var(--font-mono); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(122, 108, 255, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(122, 108, 255, 0.8); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 6, 14, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
}
.nav-links { display: flex; gap: 32px; font-size: 14px; color: var(--text-muted); }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { display: flex; gap: 12px; align-items: center; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; background: none; border: 1px solid var(--border-strong); color: var(--text); border-radius: 8px; padding: 8px 10px; }
}

/* Glass panel */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
}
.panel-solid { background: var(--panel-solid); border: 1px solid var(--border); border-radius: var(--radius); }

/* Section spacing */
section { padding: 96px 0; position: relative; }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head p { font-size: 17px; }

/* ---------------- HERO ---------------- */
.hero { padding: 76px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5vw, 60px); line-height: 1.05; }
.hero h1 .grad { background: linear-gradient(120deg, var(--blue), var(--cyan) 55%, var(--purple)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: 18px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 44px; }
.hero-stat b { display: block; font-family: var(--font-mono); font-size: 24px; color: var(--text); }
.hero-stat span { font-size: 12px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---- Signature element: Scan Ring ---- */
.scan-card { padding: 32px; text-align: center; position: relative; overflow: hidden; }
.scan-ring-wrap { position: relative; width: 240px; height: 240px; margin: 0 auto 18px; }
.scan-ring { transform: rotate(-90deg); }
.scan-ring circle { fill: none; stroke-width: 10; }
.scan-ring .track { stroke: rgba(140, 150, 210, 0.14); }
.scan-ring .fill {
  stroke: url(#scanGradient);
  stroke-linecap: round;
  stroke-dasharray: 615;
  stroke-dashoffset: 615;
  animation: fillRing 1.8s var(--ease) forwards 0.3s;
  filter: drop-shadow(0 0 8px rgba(79, 124, 255, 0.6));
}
@keyframes fillRing { to { stroke-dashoffset: var(--offset, 200); } }
.scan-ring-wrap .readout { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.readout .num { font-family: var(--font-mono); font-size: 42px; font-weight: 700; }
.readout .lbl { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-top: 4px; }
.scan-sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(47, 230, 217, 0.35) 18deg, transparent 40deg);
  animation: sweep 3.2s linear infinite;
  mix-blend-mode: screen;
}
@keyframes sweep { to { transform: rotate(360deg); } }
.scan-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 20px; }
.scan-tag { font-family: var(--font-mono); font-size: 11px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--text-muted); }
.scan-tag.hi { border-color: rgba(255, 92, 122, 0.4); color: var(--red); }
.scan-tag.ok { border-color: rgba(47, 230, 217, 0.4); color: var(--cyan); }

/* ---------------- Feature Grid ---------------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: 1fr; } .hero-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }

.feature-card { padding: 26px; transition: transform 0.3s var(--ease), border-color 0.3s; }
.feature-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.feature-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 16px; background: linear-gradient(135deg, rgba(79,124,255,0.18), rgba(155,92,255,0.18)); border: 1px solid var(--border); }
.feature-card h3 { font-size: 17px; }
.feature-card p { font-size: 14px; margin: 0; }

/* ---------------- Steps ---------------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 28px; position: relative; }
.step .step-idx { font-family: var(--font-mono); font-size: 13px; color: var(--cyan); margin-bottom: 12px; display: block; }
.step h3 { font-size: 18px; }
.step p { font-size: 14px; }

/* ---------------- Testimonials ---------------- */
.testi { padding: 26px; }
.testi p { font-size: 15px; color: var(--text); }
.testi-foot { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--purple)); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; font-size: 13px; }
.testi-foot .name { font-size: 13px; font-weight: 600; }
.testi-foot .role { font-size: 12px; color: var(--text-faint); }

/* ---------------- FAQ ---------------- */
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; cursor: pointer; }
.faq-q { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-display); font-size: 16px; }
.faq-q .icon { transition: transform 0.3s var(--ease); color: var(--cyan); }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); font-size: 14px; }
.faq-item.open .faq-a { max-height: 200px; padding-top: 12px; }

/* ---------------- Footer ---------------- */
footer { border-top: 1px solid var(--border); padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 14px; }
.footer-grid a { display: block; font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
.footer-grid a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-faint); flex-wrap: wrap; gap: 10px; }

/* ---------------- Forms ---------------- */
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; font-family: var(--font-display); }
.field input[type=text], .field input[type=email], .field select {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03); border: 1px solid var(--border-strong); color: var(--text);
  font-family: var(--font-body); font-size: 14px; outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(47,230,217,0.14); }
.option-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 700px) { .option-grid { grid-template-columns: 1fr 1fr; } }
.option-card {
  padding: 16px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  cursor: pointer; text-align: center; font-size: 14px; transition: all 0.2s var(--ease); background: rgba(255,255,255,0.02);
}
.option-card:hover { border-color: var(--cyan); }
.option-card.selected { border-color: var(--cyan); background: rgba(47,230,217,0.08); box-shadow: 0 0 0 1px var(--cyan) inset; }
.option-card .oc-icon { font-size: 22px; display: block; margin-bottom: 8px; }
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 640px) { .check-grid { grid-template-columns: 1fr; } }
.check-item {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); cursor: pointer; font-size: 14px; transition: border-color 0.2s, background 0.2s;
}
.check-item:hover { border-color: var(--border-strong); }
.check-item input { accent-color: var(--cyan); width: 16px; height: 16px; }
.check-item.checked { border-color: var(--cyan); background: rgba(47,230,217,0.06); }

/* Assessment shell */
.assess-shell { min-height: 100vh; padding: 40px 0 80px; }
.progress-track { height: 6px; border-radius: 999px; background: rgba(255,255,255,0.06); overflow: hidden; margin-bottom: 40px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width 0.45s var(--ease); }
.step-meta { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); margin-bottom: 14px; letter-spacing: 0.06em; text-transform: uppercase; }
.assess-card { padding: 40px; max-width: 720px; margin: 0 auto; }
.assess-card h2 { font-size: 26px; }
.assess-nav { display: flex; justify-content: space-between; margin-top: 36px; }
.category-block { margin-bottom: 28px; }
.category-block h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--cyan); margin-bottom: 12px; }

/* Result page */
.result-hero { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .result-hero { grid-template-columns: 1fr; } }
.skill-bar-row { margin-bottom: 16px; }
.skill-bar-head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 6px; }
.skill-bar-track { height: 8px; border-radius: 999px; background: rgba(255,255,255,0.06); overflow: hidden; }
.skill-bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--purple)); }
.list-clean { list-style: none; padding: 0; margin: 0; }
.list-clean li { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; font-size: 14px; border-bottom: 1px solid var(--border); color: var(--text); }
.list-clean li:last-child { border-bottom: none; }
.tag-pill { font-family: var(--font-mono); font-size: 11px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border-strong); }
.tag-hi { color: var(--red); border-color: rgba(255,92,122,0.4); }
.tag-mid { color: var(--amber); border-color: rgba(255,180,84,0.4); }
.tag-low { color: var(--cyan); border-color: rgba(47,230,217,0.4); }

/* Coach chat */
.coach-shell { display: grid; grid-template-columns: 300px 1fr; gap: 24px; min-height: 70vh; }
@media (max-width: 900px) { .coach-shell { grid-template-columns: 1fr; } }
.coach-side { padding: 22px; align-self: start; }
.coach-side h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 14px; }
.roadmap-month { padding: 14px; border-radius: var(--radius-sm); border: 1px solid var(--border); margin-bottom: 10px; font-size: 13px; }
.roadmap-month b { display: block; color: var(--cyan); font-family: var(--font-mono); font-size: 11px; margin-bottom: 4px; text-transform: uppercase; }
.chat-window { padding: 0; display: flex; flex-direction: column; height: 70vh; }
.chat-log { flex: 1; overflow-y: auto; padding: 26px; display: flex; flex-direction: column; gap: 18px; }
.msg { max-width: 78%; padding: 14px 18px; border-radius: 14px; font-size: 14.5px; line-height: 1.6; }
.msg.ai { background: rgba(255,255,255,0.04); border: 1px solid var(--border); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg.user { background: linear-gradient(135deg, rgba(79,124,255,0.25), rgba(155,92,255,0.25)); align-self: flex-end; border-bottom-right-radius: 4px; }
.msg pre { white-space: pre-wrap; margin: 0; font-family: var(--font-body); }
.chat-input { display: flex; gap: 10px; padding: 18px; border-top: 1px solid var(--border); }
.chat-input input { flex: 1; background: rgba(255,255,255,0.03); border: 1px solid var(--border-strong); border-radius: 999px; padding: 12px 18px; color: var(--text); outline: none; }
.chat-input input:focus { border-color: var(--cyan); }
.typing-dots span { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); margin-right: 3px; animation: blink 1.2s infinite; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; } .typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.2; } 40% { opacity: 1; } }

/* Dashboard */
.dash-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
@media (max-width: 980px) { .dash-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .dash-grid { grid-template-columns: 1fr; } }
.dash-card { padding: 22px; }
.dash-card .dc-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.dash-card .dc-icon { font-size: 20px; }
.dash-card .dc-val { font-family: var(--font-mono); font-size: 28px; font-weight: 700; }
.dash-card .dc-lbl { font-size: 12px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.dash-card .dc-delta { font-size: 12px; color: var(--cyan); }
.dash-main { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
@media (max-width: 980px) { .dash-main { grid-template-columns: 1fr; } }
.chart-card { padding: 26px; }
.task-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.task-item:last-child { border-bottom: none; }
.task-item input { accent-color: var(--cyan); width: 17px; height: 17px; }
.task-item.done label { text-decoration: line-through; color: var(--text-faint); }

/* Admin */
.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
@media (max-width: 860px) { .admin-shell { grid-template-columns: 1fr; } }
.admin-side { border-right: 1px solid var(--border); padding: 26px 18px; }
.admin-side .brand { margin-bottom: 32px; padding: 0 8px; }
.admin-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: 10px; font-size: 14px; color: var(--text-muted); margin-bottom: 4px; }
.admin-nav a:hover, .admin-nav a.active { background: rgba(255,255,255,0.05); color: var(--text); }
.admin-main { padding: 40px; }
.admin-tab { display: none; }
.admin-tab.active { display: block; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); padding: 12px; border-bottom: 1px solid var(--border-strong); }
td { padding: 14px 12px; border-bottom: 1px solid var(--border); }
.badge { font-family: var(--font-mono); font-size: 11px; padding: 3px 10px; border-radius: 999px; }
.badge-ok { color: var(--cyan); border: 1px solid rgba(47,230,217,0.4); }
.badge-warn { color: var(--amber); border: 1px solid rgba(255,180,84,0.4); }
.masked-key { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.05em; color: var(--text-muted); }
.toast { position: fixed; bottom: 26px; right: 26px; background: var(--panel-solid); border: 1px solid var(--cyan); padding: 14px 22px; border-radius: 12px; font-size: 14px; z-index: 999; transform: translateY(120%); transition: transform 0.4s var(--ease); }
.toast.show { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
::selection { background: rgba(47,230,217,0.3); }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, .option-card:focus-visible, .check-item:focus-visible {
  outline: 2px solid var(--cyan); outline-offset: 2px;
}