/* ============================================================================
   JobBoard 2.0 — styles.css
   CSS3 nativo puro. Sin Tailwind, sin Bootstrap, sin CDNs externos.
   ============================================================================ */

:root {
  --bg: #0b0d12;
  --bg-elevated: #12151c;
  --bg-card: #171b24;
  --border: #262b36;
  --text: #eef1f6;
  --text-muted: #8a92a3;
  --text-faint: #565e6e;

  --accent: #7c5cff;
  --accent-hover: #9078ff;
  --accent-soft: rgba(124, 92, 255, 0.15);

  --success: #37d67a;
  --success-soft: rgba(55, 214, 122, 0.12);
  --warning: #f5b544;
  --warning-soft: rgba(245, 181, 68, 0.12);
  --danger: #ff5c72;
  --danger-soft: rgba(255, 92, 114, 0.12);

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

  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-main {
  flex: 1;
  padding: 40px 0 80px;
}

/* ---------- Navbar ---------- */
.navbar {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.nav-links { display: flex; gap: 10px; align-items: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover:not(:disabled) { border-color: var(--accent); }

.btn-sm { padding: 8px 14px; font-size: 0.82rem; }
.btn-block { width: 100%; }

/* ---------- Typography ---------- */
h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 12px; }
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.05rem; }
p { line-height: 1.6; color: var(--text-muted); margin: 0 0 16px; }

.eyebrow {
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
  display: block;
}

.page-header { margin-bottom: 36px; }
.page-header p { max-width: 620px; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.job-card { display: flex; flex-direction: column; gap: 10px; }
.job-card .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 4px; }

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-hover);
  white-space: nowrap;
}

.job-card .budget {
  font-weight: 700;
  color: var(--success);
  font-size: 0.95rem;
}

.job-card .meta {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.job-card .desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-faint);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text);
}

.hint { font-size: 0.78rem; color: var(--text-faint); margin-top: 6px; }

input[type="text"],
input[type="email"],
input[type="number"],
input[type="url"],
textarea,
select {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color 0.15s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

textarea { resize: vertical; min-height: 100px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ---------- Alerts / states ---------- */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 18px;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-soft); color: var(--success); border-color: rgba(55,214,122,0.3); }
.alert-error   { background: var(--danger-soft); color: var(--danger); border-color: rgba(255,92,114,0.3); }
.alert-info    { background: var(--accent-soft); color: var(--accent-hover); border-color: rgba(124,92,255,0.3); }

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Dashboard ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
}
.stat-box .num { font-size: 1.7rem; font-weight: 800; }
.stat-box .label { font-size: 0.78rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.05em; }

.tier {
  margin-bottom: 36px;
}
.tier-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.tier-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
}
.tier-top .tier-badge   { background: var(--success-soft); color: var(--success); }
.tier-mid .tier-badge   { background: var(--warning-soft); color: var(--warning); }
.tier-low .tier-badge   { background: var(--danger-soft); color: var(--danger); }

.candidate-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 3px solid var(--border);
}
.tier-top .candidate-card { border-left-color: var(--success); }
.tier-mid .candidate-card { border-left-color: var(--warning); }
.tier-low .candidate-card { border-left-color: var(--danger); opacity: 0.75; }

.candidate-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.score-pill {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  background: var(--bg-elevated);
  border: 2px solid var(--border);
}
.tier-top .score-pill { border-color: var(--success); color: var(--success); }
.tier-mid .score-pill { border-color: var(--warning); color: var(--warning); }
.tier-low .score-pill { border-color: var(--danger); color: var(--danger); }

.candidate-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.candidate-meta strong { color: var(--text); }

.ai-summary {
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.86rem;
  color: var(--text-muted);
  font-style: italic;
}

.candidate-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.8rem;
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.hidden { display: none !important; }
.token-box {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  word-break: break-all;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
}

@media (max-width: 640px) {
  .navbar-inner { padding: 14px 16px; }
  .page-main { padding: 28px 0 60px; }
  .candidate-head { flex-direction: row; }
}