/* ═══════════════════════════════════════════════════════════════
   Internship Hunter — Polished Design System v6
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg: #08080f; --bg-card: #111118; --bg-hover: #1a1a28; --bg-raised: #1c1c2a;
  --border: #1e1e32; --border-light: #2a2a40;
  --text: #eaeaef; --text-secondary: #8a8aa8; --text-tertiary: #5a5a78;
  --accent: #6366f1; --accent-hover: #4f46e5; --accent-glow: rgba(99,102,241,.12);
  --green: #22c55e; --green-bg: rgba(34,197,94,.1);
  --yellow: #f59e0b; --yellow-bg: rgba(245,158,11,.1);
  --red: #ef4444; --red-bg: rgba(239,68,68,.1);
  --purple: #a855f7; --orange: #f97316; --blue: #3b82f6;
  --radius: 10px; --radius-sm: 7px; --radius-lg: 14px;
  --shadow: 0 4px 18px rgba(0,0,0,.4); --shadow-lg: 0 8px 36px rgba(0,0,0,.5);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 160ms ease;
}

:root[data-theme="light"] {
  --bg: #f4f4f8; --bg-card: #ffffff; --bg-hover: #f0f0f5; --bg-raised: #fafafe;
  --border: #e2e2ee; --border-light: #efeff6;
  --text: #1a1a30; --text-secondary: #5a5a7a; --text-tertiary: #9090b0;
  --accent: #6366f1; --accent-hover: #4f46e5; --accent-glow: rgba(99,102,241,.1);
  --green: #16a34a; --green-bg: rgba(22,163,74,.08);
  --yellow: #d97706; --yellow-bg: rgba(217,119,6,.08);
  --red: #dc2626; --red-bg: rgba(220,38,38,.08);
  --shadow: 0 2px 12px rgba(0,0,0,.06); --shadow-lg: 0 8px 32px rgba(0,0,0,.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; font-size: inherit; }
select, input { font-family: inherit; font-size: inherit; }

/* ─── Header ─────────────────────────────────────────────────── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px); border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.header-inner {
  max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 58px; gap: 16px;
}
.header-brand { display: flex; align-items: baseline; gap: 12px; font-size: 1.15rem; font-weight: 700; }
.header-brand span { color: var(--text-tertiary); font-size: .75rem; font-weight: 400; }
.header-nav { display: flex; gap: 2px; }
.nav-btn {
  padding: 7px 14px; border: none; border-radius: var(--radius-sm); background: transparent;
  color: var(--text-secondary); font-size: .82rem; font-weight: 500; transition: all var(--transition);
}
.nav-btn:hover { background: var(--bg-hover); color: var(--text); }
.nav-btn.active { background: var(--accent); color: #fff; }
.nav-badge { display: inline-block; background: rgba(255,255,255,.2); padding: 1px 6px; border-radius: 8px; font-size: .65rem; margin-left: 4px; min-width: 16px; text-align: center; }
@media (max-width: 640px) {
  .header-inner { flex-direction: column; height: auto; padding: 10px 0; gap: 6px; }
  .header-nav { width: 100%; overflow-x: auto; gap: 4px; }
  .nav-btn { font-size: .75rem; padding: 5px 8px; white-space: nowrap; }
}

/* ─── Hero Stats ─────────────────────────────────────────────── */
.hero { padding: 24px 24px 18px; text-align: center; background: linear-gradient(180deg, var(--accent-glow) 0%, transparent 100%); border-bottom: 1px solid var(--border); }
.hero-stats { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat .val { font-size: 1.75rem; font-weight: 800; letter-spacing: -.02em; }
.hero-stat .lbl { font-size: .7rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: .08em; margin-top: 2px; }
.hero-stat.urgent .val { color: var(--red); }
.hero-stat.saved .val { color: var(--yellow); }
@media (max-width: 640px) { .hero-stats { gap: 20px; } .hero-stat .val { font-size: 1.3rem; } }

/* ─── Filter Bar ─────────────────────────────────────────────── */
.filter-bar {
  position: sticky; top: 58px; z-index: 90;
  background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 24px;
}
.filter-inner { max-width: 1400px; margin: 0 auto; }
.filter-row-top { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.filter-chip {
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 7px;
  background: transparent; color: var(--text-secondary); font-size: .76rem; font-weight: 500;
  transition: all var(--transition); cursor: pointer; white-space: nowrap;
}
.filter-chip:hover { border-color: var(--accent); color: var(--text); }
.filter-chip:active { transform: scale(.95); }
.filter-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.filter-chip.urgent.active { background: var(--red); border-color: var(--red); }
.filter-select {
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--bg-card); color: var(--text); font-size: .76rem;
  cursor: pointer; transition: border-color var(--transition); white-space: nowrap;
}
.filter-select:focus { border-color: var(--accent); outline: none; }
.filter-actions { display: flex; gap: 6px; align-items: center; margin-left: auto; }
.filter-search-wrap { position: relative; width: 160px; }
.filter-search {
  width: 100%; padding: 6px 10px 6px 28px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--bg-card); color: var(--text); font-size: .76rem; transition: border-color var(--transition);
}
.filter-search:focus { border-color: var(--accent); outline: none; }
.filter-search-icon { position: absolute; left: 8px; top: 50%; transform: translateY(-50%); color: var(--text-tertiary); font-size: .75rem; pointer-events: none; }
@media (max-width: 768px) {
  .filter-bar { padding: 6px 12px; }
  .filter-row-top { gap: 4px; }
  .filter-select { font-size: .72rem; padding: 5px 6px; }
  .filter-actions { margin-left: 0; }
}

/* ─── Content ────────────────────────────────────────────────── */
.content-area { padding: 20px 24px; max-width: 1400px; margin: 0 auto; }
@media (max-width: 768px) { .content-area { padding: 12px; } }

/* ─── Card Grid ──────────────────────────────────────────────── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 16px; }
@media (max-width: 768px) { .card-grid { grid-template-columns: 1fr; } }

/* ─── Card ───────────────────────────────────────────────────── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; transition: all var(--transition);
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 8px;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,.35); }
.card:active { transform: translateY(-1px); }
.card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; }

.card[data-industry="technology-internet"]::before,
.card[data-industry="technology-&-internet"]::before { background: #3b82f6; }
.card[data-industry="finance-&-fintech"]::before { background: #f59e0b; }
.card[data-industry="crypto-&-web3"]::before { background: #f97316; }
.card[data-industry="consulting-&-advisory"]::before { background: #a855f7; }
.card[data-industry="healthcare-&-life-sciences"]::before { background: #22c55e; }
.card[data-industry="energy-&-cleantech"]::before { background: #10b981; }
.card[data-industry="industrial-&-manufacturing"]::before { background: #6b7280; }
.card[data-industry="consumer-&-retail"]::before { background: #ec4899; }
.card[data-industry="media-&-entertainment"]::before { background: #ef4444; }
.card[data-industry="government-&-public-sector"]::before { background: #78716c; }

.card-urgent { border-color: var(--red); box-shadow: 0 0 0 1px rgba(239,68,68,.3); }
.card-urgent::before { background: var(--red) !important; }

.card-top { display: flex; justify-content: space-between; align-items: flex-start; }
.card-region-info { font-size: .7rem; color: var(--text-tertiary); display: flex; align-items: center; gap: 3px; }
.card-fav {
  background: none; border: none; font-size: 1.1rem; cursor: pointer;
  padding: 2px 6px; border-radius: 6px; transition: all var(--transition); opacity: .4;
}
.card-fav:hover { opacity: 1; transform: scale(1.2); }
.card-fav.active { opacity: 1; color: #f59e0b; }
.card-tracked {
  font-size: .6rem; padding: 2px 7px; border-radius: 6px; background: var(--accent-glow);
  color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
}
.card-company { font-size: 1rem; font-weight: 700; }
.card-role { font-size: .8rem; color: var(--text-secondary); line-height: 1.3; }

.card-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { display: inline-flex; align-items: center; gap: 2px; padding: 3px 8px; border-radius: 5px; font-size: .66rem; font-weight: 500; }
.tag-tier { background: rgba(59,130,246,.1); color: #60a5fa; font-weight: 600; }
.tag-visa { background: rgba(34,197,94,.1); color: var(--green); font-weight: 600; }
.tag-salary { background: rgba(245,158,11,.1); color: var(--yellow); font-weight: 600; }
.tag-ind { background: var(--accent-glow); color: #818cf8; }
.tag-func { background: rgba(168,85,247,.1); color: #a78bfa; }
.tag-loc { background: var(--green-bg); color: var(--green); }
.tag-year { background: rgba(148,163,184,.08); color: #94a3b8; }

.card-deadline { font-size: .75rem; }
.dl-badge { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: .66rem; font-weight: 700; }
.dl-urgent { background: var(--red-bg); color: var(--red); animation: pulse 1.3s ease-in-out infinite; }
.dl-warn { background: var(--yellow-bg); color: var(--yellow); }
.dl-ok { background: var(--green-bg); color: var(--green); }
.dl-closed { background: rgba(148,163,184,.08); color: #94a3b8; }
.dl-rolling { background: var(--accent-glow); color: var(--accent); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }

/* ─── Card Menu (··· button) ─────────────────────────────────── */
.card-menu-wrap { position: relative; }
.card-menu-btn { font-weight: 700; letter-spacing: 2px; padding: 7px 10px !important; }
.card-menu {
  position: absolute; bottom: 100%; right: 0; margin-bottom: 4px;
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg); z-index: 50; min-width: 140px; overflow: hidden;
}
.card-menu button {
  display: block; width: 100%; padding: 8px 14px; border: none; background: transparent;
  color: var(--text-secondary); font-size: .76rem; text-align: left; cursor: pointer; transition: all var(--transition);
}
.card-menu button:hover { background: var(--bg-hover); color: var(--text); }

/* ─── Card Actions ───────────────────────────────────────────── */
.card-actions { display: flex; gap: 7px; flex-wrap: wrap; padding-top: 10px; border-top: 1px solid var(--border); margin-top: auto; }
.btn-act {
  padding: 7px 13px; border-radius: 7px; font-size: .74rem; font-weight: 500;
  border: 1px solid var(--border); background: transparent; color: var(--text-secondary);
  transition: all var(--transition); cursor: pointer; display: inline-flex; align-items: center; gap: 4px;
}
.btn-act:hover { border-color: var(--accent); color: var(--text); background: var(--bg-hover); }
.btn-act:active { transform: scale(.96); }
.btn-act.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn-act.primary:hover { background: var(--accent-hover); box-shadow: 0 4px 12px var(--accent-glow); }

/* ─── Pagination ─────────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: 6px; padding: 28px 0; }
.pg-btn {
  padding: 8px 15px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-card); color: var(--text-secondary); font-size: .8rem; transition: all var(--transition);
}
.pg-btn:hover { background: var(--bg-hover); color: var(--text); }
.pg-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.pg-btn:disabled { opacity: .3; cursor: default; }

/* ─── Empty / Loading ────────────────────────────────────────── */
.empty-state { text-align: center; padding: 80px 24px; color: var(--text-tertiary); }
.empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: .5; }
.empty-state h2 { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 6px; }
.empty-state p { font-size: .82rem; }
.loading { text-align: center; padding: 60px 24px; color: var(--text-tertiary); }
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; vertical-align: middle; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Skeleton ───────────────────────────────────────────────── */
.skeleton-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; height: 155px; }
.sk-line { background: var(--border); border-radius: 4px; margin-bottom: 10px; animation: shimmer 1.4s infinite; }
.sk-region { width: 35%; height: 9px; }
.sk-company { width: 55%; height: 16px; }
.sk-role { width: 70%; height: 13px; }
.sk-tags { width: 45%; height: 11px; }
@keyframes shimmer { 0% { opacity: .3; } 50% { opacity: .7; } 100% { opacity: .3; } }

/* ─── Modal ──────────────────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 300; backdrop-filter: blur(4px); }
.modal-overlay[hidden] { display: none; }
.modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); width: 92%; max-width: 540px; max-height: 85vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.modal-header h2 { font-size: 1.05rem; }
.modal-close { width: 32px; height: 32px; border: none; border-radius: 8px; background: transparent; color: var(--text-secondary); font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.modal-close:hover { background: var(--bg-hover); color: var(--text); }
.modal-body { padding: 20px 22px; }

/* ─── Track Cards ────────────────────────────────────────────── */
.track-list { display: flex; flex-direction: column; gap: 10px; }
.track-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; transition: all var(--transition); }
.track-card:hover { border-color: var(--border-light); }
.track-card.ended { opacity: .6; }
.track-icon { font-size: 1.3rem; }
.track-info { flex: 1; min-width: 180px; }
.track-info strong { font-size: .92rem; }
.track-role { font-size: .78rem; color: var(--text-secondary); }
.track-meta { font-size: .68rem; color: var(--text-tertiary); }
.track-status { font-size: .66rem; padding: 3px 9px; border-radius: 8px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.ts-applied { background: var(--accent-glow); color: var(--accent); }
.ts-interview { background: var(--yellow-bg); color: var(--yellow); }
.ts-offer { background: var(--green-bg); color: var(--green); }
.ts-rejected { background: var(--red-bg); color: var(--red); }
.ts-accepted { background: var(--green-bg); color: var(--green); border: 1px solid var(--green); }

/* ─── Funnel ─────────────────────────────────────────────────── */
.funnel-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; text-align: center; }
.funnel-num { font-size: 1.8rem; font-weight: 800; }
.funnel-lbl { font-size: .75rem; color: var(--text-tertiary); margin-top: 3px; }
.funnel-bar { display: flex; align-items: center; gap: 10px; font-size: .78rem; padding: 6px 0; }
.funnel-bar span:first-child { width: 130px; color: var(--text-secondary); }
.funnel-bar span:nth-child(2) { width: 30px; text-align: right; font-weight: 600; }
.fbar { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.fbar div { height: 100%; background: var(--accent); border-radius: 3px; transition: width .5s ease; }
.funnel-viz { display: flex; align-items: flex-end; gap: 28px; height: 200px; padding: 0 20px; }
.fv-stage { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.fv-bar { width: 56px; background: linear-gradient(to top, var(--accent-hover), var(--accent)); border-radius: 6px 6px 0 0; min-height: 4px; transition: height .5s ease; }
.fv-stage span { font-size: .66rem; color: var(--text-tertiary); text-transform: uppercase; }
.fv-stage strong { font-size: .95rem; }

/* ─── Card Preview ───────────────────────────────────────────── */
.card-preview { margin-top: 8px; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: .78rem; color: var(--text-secondary); line-height: 1.5; animation: fadeIn .2s ease; }
.card-preview .preview-content { max-height: 180px; overflow-y: auto; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* ─── Settings ───────────────────────────────────────────────── */
.settings-grid { display: grid; gap: 14px; }
.setting-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.setting-card h3 { font-size: .92rem; margin-bottom: 14px; }
.form-row { display: flex; gap: 10px; flex-wrap: wrap; }
.form-field { flex: 1; min-width: 180px; margin-bottom: 10px; }
.form-field label { display: block; font-size: .68rem; color: var(--text-tertiary); margin-bottom: 4px; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.form-field input, .form-field select { width: 100%; padding: 8px 11px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: .82rem; transition: border-color var(--transition); }
.form-field input:focus, .form-field select:focus { border-color: var(--accent); outline: none; }
.form-field input[readonly] { opacity: .5; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px; }
fieldset legend { font-size: .8rem; font-weight: 600; padding: 0 6px; }
.setting-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: .82rem; align-items: center; }

/* ─── Wizard ─────────────────────────────────────────────────── */
.wiz-progress { display: flex; align-items: center; justify-content: center; padding: 14px 0; }
.wiz-dot { width: 26px; height: 26px; border-radius: 50%; background: var(--border); color: var(--text-tertiary); display: flex; align-items: center; justify-content: center; font-size: .7rem; font-weight: 700; transition: all var(--transition); }
.wiz-dot.active { background: var(--accent); color: #fff; }
.wiz-line { width: 50px; height: 2px; background: var(--border); }
.wiz-step { display: none; }
.wiz-step.active { display: block; }
.wiz-step h3 { font-size: .9rem; margin-bottom: 10px; }
.check-item { padding: 6px 10px; border-radius: var(--radius-sm); margin-bottom: 4px; font-size: .78rem; }
.check-item.ok { background: var(--green-bg); color: var(--green); }
.check-item.fail { background: var(--red-bg); color: var(--red); }
.wiz-ready { background: var(--green-bg); color: var(--green); padding: 10px; border-radius: var(--radius-sm); font-weight: 600; margin: 10px 0; }
.steps-list { padding-left: 20px; }
.steps-list li { margin-bottom: 5px; font-size: .78rem; color: var(--text-secondary); }

/* ─── Toast ──────────────────────────────────────────────────── */
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 400; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 11px 18px; border-radius: 8px; color: #fff; font-size: .8rem; box-shadow: var(--shadow-lg); animation: slideIn .25s ease-out; max-width: 360px; }
.toast-success { background: var(--green); }
.toast-error { background: var(--red); }
.toast-info { background: var(--accent); }
@keyframes slideIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ─── NEW Badge & Onboarding ────────────────────────────────── */
.new-badge {
  font-size: .55rem; padding: 2px 6px; border-radius: 4px;
  background: var(--accent); color: #fff; font-weight: 800;
  letter-spacing: .06em; animation: pulse 1.3s ease-in-out infinite;
}
.onboard-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 6px;
}
.onboard-grid label {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
  font-size: .8rem; transition: all var(--transition);
}
.onboard-grid label:hover { border-color: var(--accent); background: var(--bg-hover); }
.onboard-grid input[type="checkbox"] { accent-color: var(--accent); }

/* ─── Views ──────────────────────────────────────────────────── */
.view { display: none; }
.view.active { display: block; }