/* ============================================
   招聘信息聚合网站 — 花叔设计重制版
   配色：深海军蓝 #0f1a2e · 珊瑚橙 #e85d3a · 暖灰底
   ============================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #f2f3f7;
  --color-surface: #ffffff;
  --color-primary: #0f1a2e;
  --color-primary-mid: #1e2f47;
  --color-accent: #e85d3a;
  --color-accent-hover: #d04d2e;
  --color-accent-soft: #fef0ec;
  --color-text: #1a1a2e;
  --color-text-secondary: #5b6778;
  --color-text-tertiary: #909aa8;
  --color-border: #e2e4ea;
  --color-border-light: #edeef2;
  --color-success: #0a8f5c;
  --color-success-bg: #ebf9f2;
  --color-warning: #b8860b;
  --color-warning-bg: #fef7e6;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 26, 46, 0.04);
  --shadow: 0 2px 8px rgba(15, 26, 46, 0.06);
  --shadow-lg: 0 8px 32px rgba(15, 26, 46, 0.10);
  --shadow-xl: 0 16px 48px rgba(15, 26, 46, 0.14);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.25s;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Noto Sans SC", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  background-image:
    radial-gradient(rgba(15, 26, 46, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

a:hover {
  text-decoration: underline;
}

/* ---- Header ---- */
.header {
  background: var(--color-primary);
  color: #fff;
  padding: 44px 0 32px;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 300px at 10% 80%, rgba(232, 93, 58, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 90% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.header-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.site-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  background: linear-gradient(135deg, #fff 60%, rgba(255,255,255,0.7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* ---- Toolbar ---- */
.toolbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.92);
}

.toolbar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.search-box {
  flex: 1 1 280px;
  min-width: 200px;
  position: relative;
}

.search-box::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-text-tertiary);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") center/contain no-repeat;
  z-index: 1;
}

.search-input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  outline: none;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  background: var(--color-bg);
  color: var(--color-text);
}

.search-input::placeholder {
  color: var(--color-text-tertiary);
}

.search-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 93, 58, 0.10);
  background: var(--color-surface);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-select {
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  background: var(--color-bg);
  cursor: pointer;
  outline: none;
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
  min-width: 120px;
  color: var(--color-text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23909aa8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.filter-select:focus {
  border-color: var(--color-accent);
  background-color: var(--color-surface);
}

.stats {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  margin-left: auto;
  font-feature-settings: "tnum";
}

.stats span {
  color: var(--color-text);
  font-weight: 600;
}

/* ---- Job Grid ---- */
.main {
  flex: 1;
  padding: 28px 0 40px;
  position: relative;
}

.main::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse 800px 500px at center, rgba(232, 93, 58, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.main .container {
  position: relative;
  z-index: 1;
}

.job-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
}

/* ---- Job Card ---- */
.job-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
  animation: cardIn 0.4s var(--ease) both;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.job-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.job-card:active {
  transform: translateY(-1px);
}

/* Card company badge */
.job-card-company-badge {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 14px;
  padding: 0 0 10px 0;
  border-bottom: 2px solid var(--color-accent-soft);
}

.company-dot {
  display: none;
}

.company-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  flex: 1;
}

.company-name::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.1rem;
  background: var(--color-accent);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: middle;
}

/* Card title */
.job-card-title {
  margin-bottom: 10px;
}

.job-card-title h3 {
  font-size: 1.1rem;
  font-weight: 650;
  line-height: 1.35;
  color: var(--color-text);
}

/* HC badge */
.hc-badge.has-hc {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(10, 143, 92, 0.15);
}

.hc-badge.unknown {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(184, 134, 11, 0.15);
}

/* Card meta row */
.job-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: 3px 10px;
  border-radius: 6px;
}

/* Target audience row */
.job-card-target {
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 550;
  margin-bottom: 8px;
  padding: 0;
}

/* Bottom bar — QR + HC */
.job-card-bottom {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.job-card-bottom .job-card-qr {
  flex-shrink: 0;
}

.job-card-bottom .job-card-qr img {
  width: 60px;
  height: 60px;
  border-radius: 6px;
  border: 1px solid var(--color-border-light);
  object-fit: cover;
  cursor: pointer;
  transition: opacity 0.2s var(--ease);
  display: block;
}

.job-card-bottom .job-card-qr img:hover {
  opacity: 0.75;
}

.job-card-bottom .hc-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.4;
}

/* Tags */
.job-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}

.tag {
  display: inline-block;
  font-size: 0.73rem;
  padding: 2px 10px;
  border-radius: 4px;
  background: #eef2ff;
  color: #4f46e5;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* Description */
.job-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card actions */
.job-card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  border: none;
  text-decoration: none;
  line-height: 1.4;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-btn, var(--color-primary));
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-mid);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(15, 26, 46, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* Extra links on card */
.job-card-extra-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.extra-link {
  font-size: 0.76rem;
  color: var(--color-text-tertiary);
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--color-bg);
  transition: all var(--duration) var(--ease);
}

.extra-link:hover {
  background: #eef2ff;
  color: #4f46e5;
  text-decoration: none;
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--color-text-secondary);
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 1.05rem;
}

.empty-hint {
  font-size: 0.88rem !important;
  color: var(--color-text-tertiary);
  margin-top: 6px;
}

/* ---- Modal ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 26, 46, 0.45);
  backdrop-filter: blur(6px);
}

.modal-content {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: modalIn 0.3s var(--ease);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: var(--color-bg);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--duration) var(--ease);
}

.modal-close:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

/* Modal Body — Job Detail */
.job-detail {
  padding: 36px 36px 32px;
}

.job-detail-header {
  margin-bottom: 18px;
  padding-right: 32px;
}

.job-detail-header .company {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.job-detail-header .company::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1rem;
  background: var(--color-accent);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: middle;
}

.job-detail-header h2 {
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 10px;
}

.job-detail .hc-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
}

.job-detail .job-card-meta {
  margin-bottom: 18px;
}

.job-detail-description {
  font-size: 0.92rem;
  line-height: 1.85;
  white-space: pre-wrap;
  color: var(--color-text);
  margin-bottom: 24px;
  padding: 20px 24px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
}

/* QR in detail */
.job-detail-qr-section {
  text-align: center;
  margin-bottom: 24px;
}

.qr-block {
  display: inline-block;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.qr-img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  cursor: pointer;
  transition: transform 0.2s var(--ease);
}

.qr-img:hover {
  transform: scale(1.03);
}

.qr-label {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  margin-top: 8px;
}

/* Info grid */
.job-detail .info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.info-item .label {
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.info-item .value {
  font-size: 0.92rem;
  font-weight: 550;
  color: var(--color-text);
}

/* Referral section */
.referral-section {
  background: var(--color-accent-soft);
  border: 1px solid rgba(232, 93, 58, 0.15);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.referral-code-box {
  display: flex;
  align-items: center;
  gap: 10px;
}

.referral-code-box .code-label {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.referral-code-box .code-value {
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  padding: 5px 14px;
  background: var(--color-surface);
  border-radius: 6px;
  border: 1.5px dashed var(--color-accent);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  user-select: all;
}

.referral-code-box .code-value:hover {
  background: var(--color-accent);
  color: #fff;
}

.copy-feedback {
  font-size: 0.75rem;
  color: var(--color-success);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.copy-feedback.show {
  opacity: 1;
}

.referral-section .btn-primary {
  --primary-btn: var(--color-accent);
}

.referral-section .btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 2px 8px rgba(232, 93, 58, 0.25);
}

/* Extra links in detail */
.extra-links-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.extra-links-label {
  font-size: 0.82rem;
  color: var(--color-text-tertiary);
  font-weight: 500;
  width: 100%;
  margin-bottom: 2px;
}

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

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .header {
    padding: 32px 0 24px;
  }

  .site-title {
    font-size: 1.6rem;
  }

  .site-subtitle {
    font-size: 0.9rem;
  }

  .toolbar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    flex: none;
  }

  .filter-group {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .filter-group::-webkit-scrollbar {
    display: none;
  }

  .filter-select {
    flex: 1;
    min-width: 100px;
    font-size: 0.82rem;
    padding: 8px 28px 8px 10px;
  }

  .stats {
    margin-left: 0;
    text-align: center;
  }

  .job-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .job-detail {
    padding: 24px 20px 20px;
  }

  .job-detail .info-grid {
    grid-template-columns: 1fr;
  }

  .referral-section {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .referral-code-box {
    justify-content: center;
  }

  .modal-content {
    max-height: 85vh;
    border-radius: var(--radius);
  }
}

@media (max-width: 480px) {
  .header {
    padding: 24px 0 20px;
  }

  .site-title {
    font-size: 1.3rem;
  }

  .container {
    padding: 0 16px;
  }

  .job-card {
    padding: 18px;
  }

  .job-card-title h3 {
    font-size: 1rem;
  }

  .job-card-bottom .job-card-qr img {
    width: 48px;
    height: 48px;
  }

  .modal {
    padding: 12px;
  }

  .job-detail {
    padding: 20px 16px 16px;
  }
}

/* ---- QR Zoom Overlay ---- */
.qr-zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.qr-zoom-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 26, 46, 0.7);
  backdrop-filter: blur(8px);
}

.qr-zoom-content {
  position: relative;
  text-align: center;
  animation: modalIn 0.3s var(--ease);
}

.qr-zoom-content img {
  width: min(85vw, 75vh);
  height: min(85vw, 75vh);
  object-fit: contain;
  background: #fff;
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.qr-zoom-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 10;
  transition: all var(--duration) var(--ease);
}

.qr-zoom-close:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.qr-zoom-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  margin-top: 16px;
}

/* ---- Loading shimmer (for future use) ---- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Scrollbar styling */
.modal-content::-webkit-scrollbar {
  width: 6px;
}

.modal-content::-webkit-scrollbar-track {
  background: transparent;
}

.modal-content::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-tertiary);
}