/* ============================================================
   SkillBridge AI — styles.css
   Design: Dark industrial-tech with amber/gold accent system
   Fonts: Syne (display) + DM Sans (body)
   ============================================================ */

/* ─── CSS VARIABLES ─────────────────────────────────────────── */
:root {
  --bg:          #0a0a0f;
  --bg-surface:  #111118;
  --bg-card:     #16161f;
  --bg-card-2:   #1c1c28;
  --border:      rgba(255,255,255,0.07);
  --border-glow: rgba(255,185,50,0.25);

  --amber:       #ffb932;
  --amber-dim:   #cc9428;
  --amber-glow:  rgba(255,185,50,0.12);
  --teal:        #2dd4bf;
  --rose:        #fb7185;

  --text-1:      #f0efe8;
  --text-2:      #a09e9a;
  --text-3:      #5a5855;

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --shadow-card: 0 4px 32px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.04) inset;
  --shadow-glow: 0 0 48px rgba(255,185,50,0.08);

  --font-display: 'Outfit', sans-serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;
  --transition:  0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── BACKGROUND ATMOSPHERE ──────────────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,185,50,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,185,50,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

.bg-orb {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
  filter: blur(80px); opacity: 0.5;
}
.orb-1 { width: 500px; height: 500px; top: -200px; left: -150px;  background: radial-gradient(circle, rgba(255,185,50,0.08), transparent 70%); }
.orb-2 { width: 600px; height: 400px; top: 30%;   right: -200px;  background: radial-gradient(circle, rgba(45,212,191,0.06), transparent 70%); }
.orb-3 { width: 400px; height: 400px; bottom: 0;  left: 40%;      background: radial-gradient(circle, rgba(255,185,50,0.05), transparent 70%); }

/* ─── HEADER ─────────────────────────────────────────────────── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 32px;
  height: 64px; display: flex; align-items: center; gap: 32px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon { font-size: 22px; color: var(--amber); }
.logo-text { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--text-1); }
.logo-accent { color: var(--amber); }

.nav { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
  padding: 6px 16px; border-radius: var(--radius-sm);
  text-decoration: none; font-size: 13.5px; font-weight: 500;
  color: var(--text-2); transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text-1); background: rgba(255,255,255,0.06); }
.nav-link.active { color: var(--amber); }

.header-badge {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 99px;
  border: 1px solid var(--border-glow);
  background: var(--amber-glow);
  font-size: 12px; color: var(--amber); font-weight: 500;
  white-space: nowrap;
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--amber);
  box-shadow: 0 0 0 0 rgba(255,185,50,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,185,50,0.6); }
  70%  { box-shadow: 0 0 0 8px rgba(255,185,50,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,185,50,0); }
}

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative; z-index: 1;
  max-width: 1160px; margin: 0 auto;
  padding: 96px 32px 80px;
  text-align: center;
}
.hero-tag {
  display: inline-block; margin-bottom: 20px;
  padding: 5px 16px; border-radius: 99px;
  border: 1px solid var(--border-glow); background: var(--amber-glow);
  font-size: 12.5px; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--amber);
}
.hero-title {
  font-family: var(--font-display); font-size: clamp(36px, 5vw, 60px);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.02em;
  color: var(--text-1); margin-bottom: 20px;
}
.hero-highlight {
  background: linear-gradient(135deg, var(--amber), #ff8c42);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub { font-size: 17px; color: var(--text-2); line-height: 1.75; margin-bottom: 36px; }
.hero-cta-group { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  cursor: pointer; border: none; text-decoration: none;
  transition: var(--transition); white-space: nowrap;
}
.btn-primary {
  background: var(--amber); color: #0a0a0f;
  box-shadow: 0 0 0 0 rgba(255,185,50,0.4);
}
.btn-primary:hover {
  background: #ffd060;
  box-shadow: 0 4px 24px rgba(255,185,50,0.3);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-ghost {
  background: transparent; color: var(--text-1);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.15); }
.btn-icon { font-size: 12px; }

/* ─── MAIN CONTENT & SECTIONS ────────────────────────────────── */
.main-content { position: relative; z-index: 1; max-width: 1160px; margin: 0 auto; padding: 0 32px 80px; }

.section { margin-bottom: 80px; }
.section-header { margin-bottom: 32px; }
.section-tag {
  display: inline-block; font-family: var(--font-display); font-size: 11px;
  font-weight: 700; letter-spacing: 0.15em; color: var(--amber);
  text-transform: uppercase; margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-display); font-size: 30px; font-weight: 700;
  color: var(--text-1); margin-bottom: 10px;
}
.section-desc { font-size: 15px; color: var(--text-2); max-width: 600px; }

/* ─── CARDS ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { border-color: rgba(255,255,255,0.1); box-shadow: var(--shadow-card), var(--shadow-glow); }
.card-large { }
.card-body { padding: 28px 32px; }

/* ─── RESUME SECTION ─────────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

.field-label { display: block; font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); margin-bottom: 10px; }

.textarea {
  width: 100%; background: var(--bg-surface);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 14px 16px; color: var(--text-1);
  font-family: var(--font-body); font-size: 13.5px; line-height: 1.7;
  resize: vertical; transition: var(--transition); outline: none;
}
.textarea::placeholder { color: var(--text-3); }
.textarea:focus { border-color: var(--amber-dim); box-shadow: 0 0 0 3px var(--amber-glow); }

.input-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; }
.char-count { font-size: 12px; color: var(--text-3); }

/* ─── RESULT SIDE ────────────────────────────────────────────── */
.result-side {
  background: var(--bg-surface); border-radius: var(--radius-lg);
  border: 1px solid var(--border); padding: 20px; min-height: 200px;
  display: flex; flex-direction: column;
}

.empty-state { margin: auto; text-align: center; color: var(--text-3); padding: 40px 0; }
.empty-icon { font-size: 36px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 13.5px; }

.results-content { display: flex; flex-direction: column; gap: 20px; }
.result-block { }
.result-heading {
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.tech-heading  { color: var(--teal); }
.soft-heading  { color: var(--amber); }
.career-heading{ color: var(--rose); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 4px 12px; border-radius: 99px; font-size: 12.5px; font-weight: 500;
  border: 1px solid; animation: fadeInUp 0.3s ease both;
}
.tag-tech  { background: rgba(45,212,191,0.1); border-color: rgba(45,212,191,0.25); color: var(--teal); }
.tag-soft  { background: var(--amber-glow); border-color: var(--border-glow); color: var(--amber); }

.career-list { display: flex; flex-direction: column; gap: 8px; }
.career-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; background: rgba(251,113,133,0.07);
  border: 1px solid rgba(251,113,133,0.2); border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 500; color: var(--text-1);
  animation: fadeInUp 0.35s ease both;
}
.career-item::before { content: '→'; color: var(--rose); font-weight: 700; }

@keyframes fadeInUp {
  from { opacity:0; transform: translateY(8px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ─── LOADING SPINNER ────────────────────────────────────────── */
.loading-state { margin: auto; text-align: center; color: var(--text-2); padding: 40px 0; }
.loading-state p { font-size: 13.5px; margin-top: 14px; }
.spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--amber);
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

/* ─── MATCH SECTION ──────────────────────────────────────────── */
.match-controls {
  display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 28px;
}
.field-group { display: flex; flex-direction: column; }
.select-wrapper { position: relative; }
.select {
  appearance: none; background: var(--bg-surface);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 11px 44px 11px 16px; color: var(--text-1);
  font-family: var(--font-body); font-size: 14px; min-width: 240px;
  cursor: pointer; transition: var(--transition); outline: none;
}
.select:focus { border-color: var(--amber-dim); box-shadow: 0 0 0 3px var(--amber-glow); }
.select-wrapper::after {
  content: '▾'; position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-2); pointer-events: none; font-size: 13px;
}

.match-resume-note {
  background: rgba(255,185,50,0.06); border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm); padding: 10px 14px;
  font-size: 12.5px; color: var(--amber-dim); flex-direction: row !important;
  align-items: center; gap: 8px;
}
.note-icon { font-size: 14px; }

/* Score area */
.score-area { display: grid; grid-template-columns: 280px 1fr; gap: 24px; animation: fadeInUp 0.4s ease; }
@media (max-width: 700px) { .score-area { grid-template-columns: 1fr; } }

.score-card {
  background: var(--bg-surface); border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg); padding: 24px;
}
.score-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.score-role { font-size: 12px; font-weight: 600; color: var(--amber); text-transform: uppercase; letter-spacing: 0.06em; }
.score-label { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; }

.score-number-row { display: flex; align-items: baseline; gap: 4px; margin-bottom: 16px; }
.score-number {
  font-family: var(--font-display); font-size: 64px; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--amber), #ff8c42);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.score-denom { font-size: 20px; color: var(--text-3); font-weight: 300; }

.score-bar-track {
  width: 100%; height: 8px; background: var(--bg-card-2);
  border-radius: 99px; overflow: hidden; margin-bottom: 12px;
}
.score-bar-fill {
  height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--amber), #ff8c42);
  width: 0%; transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 12px rgba(255,185,50,0.4);
}
.score-tier {
  font-size: 12.5px; font-weight: 600; padding: 4px 12px; border-radius: 99px;
  display: inline-block; text-transform: uppercase; letter-spacing: 0.08em;
}
.tier-excellent { background: rgba(45,212,191,0.15); color: var(--teal); border: 1px solid rgba(45,212,191,0.3); }
.tier-good      { background: var(--amber-glow); color: var(--amber); border: 1px solid var(--border-glow); }
.tier-fair      { background: rgba(251,191,36,0.1); color: #fbbf24; border: 1px solid rgba(251,191,36,0.3); }
.tier-low       { background: rgba(251,113,133,0.1); color: var(--rose); border: 1px solid rgba(251,113,133,0.3); }

.score-explanation {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
}
.score-explanation h4 { font-size: 13px; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }
.score-explanation p { font-size: 14.5px; color: var(--text-1); line-height: 1.75; }

/* ─── CHAT SECTION ───────────────────────────────────────────── */
.chat-container { display: flex; flex-direction: column; height: 560px; }

.chat-messages {
  flex: 1; overflow-y: auto; padding: 24px 28px;
  display: flex; flex-direction: column; gap: 16px;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

.chat-msg { display: flex; gap: 12px; align-items: flex-start; animation: fadeInUp 0.3s ease; }
.msg-ai { }
.msg-user { flex-direction: row-reverse; }

.msg-avatar {
  width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em;
}
.msg-ai .msg-avatar { background: var(--amber-glow); border: 1px solid var(--border-glow); color: var(--amber); }
.msg-user .msg-avatar { background: rgba(45,212,191,0.1); border: 1px solid rgba(45,212,191,0.25); color: var(--teal); }

.msg-bubble {
  max-width: 75%; padding: 14px 18px; border-radius: 16px;
  font-size: 14px; line-height: 1.7;
}
.msg-ai .msg-bubble {
  background: var(--bg-card-2); border: 1px solid var(--border);
  border-top-left-radius: 4px; color: var(--text-1);
}
.msg-user .msg-bubble {
  background: var(--amber-glow); border: 1px solid var(--border-glow);
  border-top-right-radius: 4px; color: var(--text-1);
}
.msg-bubble p { margin-bottom: 8px; }
.msg-bubble p:last-child { margin-bottom: 0; }
.msg-bubble ul { padding-left: 20px; display: flex; flex-direction: column; gap: 4px; }
.msg-bubble li { font-size: 13.5px; }

.suggested-prompts { display: flex; flex-wrap: wrap; gap: 8px; padding-left: 48px; }
.prompt-chip {
  padding: 7px 14px; border-radius: 99px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-2); font-family: var(--font-body); font-size: 13px;
  cursor: pointer; transition: var(--transition);
}
.prompt-chip:hover { background: var(--amber-glow); border-color: var(--border-glow); color: var(--amber); }

.chat-input-area {
  display: flex; gap: 12px; padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.chat-input {
  flex: 1; background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 12px 16px;
  color: var(--text-1); font-family: var(--font-body); font-size: 14px;
  resize: none; outline: none; transition: var(--transition); line-height: 1.6;
}
.chat-input::placeholder { color: var(--text-3); }
.chat-input:focus { border-color: var(--amber-dim); box-shadow: 0 0 0 3px var(--amber-glow); }
.chat-send-btn { align-self: flex-end; padding: 11px 20px; }
.typing-indicator { display: flex; gap: 4px; align-items: center; padding: 6px 0; }
.typing-dot {
  width: 7px; height: 7px; background: var(--amber); border-radius: 50%; opacity: 0.5;
  animation: typingBounce 1.4s infinite ease-in-out;
}
.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
.footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border); padding: 32px;
  text-align: center;
}
.footer-logo { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--amber); margin-bottom: 8px; }
.footer-text { font-size: 13px; color: var(--text-3); margin-bottom: 4px; }
.footer-note { font-size: 12px; color: var(--text-3); opacity: 0.6; }

/* ─── SCROLLBAR GLOBAL ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }