:root{
  --bg: #f8f9fa;
  --bg-secondary: #ffffff;
  --card: rgba(255, 255, 255, 0.95);
  --card-secondary: rgba(248, 249, 250, 0.9);
  --ink: #1a2332;
  --ink-secondary: #495057;
  --muted: rgba(73, 80, 87, 0.7);
  --line: rgba(222, 226, 230, 0.8);
  --primary: #1a5a52;
  --primary-light: #2a6d63;
  --primary-dark: #134640;
  --accent: #f4a933;
  --accent-light: #f7b851;
  --accent-glow: rgba(244, 169, 51, 0.2);
  --success: #28a745;
  --error: #dc3545;
  --shadow: 0 2px 8px rgba(26, 35, 50, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 35, 50, 0.1);
  --shadow-lg: 0 8px 32px rgba(26, 35, 50, 0.12);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --w: 1200px;
  --focus: 0 0 0 3px rgba(26, 90, 82, 0.15);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*{
  box-sizing:border-box;
  margin: 0;
  padding: 0;
}

html,body{
  height:100%;
  scroll-behavior: smooth;
}

body{
  color:var(--ink);
  background: var(--bg);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.bg::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(26, 90, 82, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(244, 169, 51, 0.04) 0%, transparent 50%);
  pointer-events:none;
}

.shell{
  max-width:var(--w);
  margin:0 auto;
  padding: 32px 24px 80px;
}

.topbar{
  position:sticky;
  top:0;
  z-index:100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(26, 35, 50, 0.06);
}

.topbar-inner{
  max-width:var(--w);
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 16px 24px;
  gap: 24px;
}

.topbar-right{
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand{
  display:flex;
  align-items:center;
  gap:20px;
}

.mark{
  width: 200px;
  height: 60px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: left center;
  flex-shrink: 0;
}

.mark img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.brand-title{
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 18px;
  color: var(--primary);
}

.brand-sub{
  font-size:13px;
  color:var(--muted);
  margin-top:2px;
  font-weight: 500;
}

.grid{
  display:grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 24px;
  margin-top: 32px;
}

@media (max-width: 1024px){
  .grid{grid-template-columns:1fr;}
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.card::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.card:hover{
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card.side{
  background: var(--card-secondary);
}

.h1{
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.h2{
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
}

.muted{
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.form{
  display:flex;
  flex-direction:column;
  gap: 20px;
}

.row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}

@media (max-width: 768px){
  .row{grid-template-columns:1fr}
}

.field{
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field span{
  display:block;
  font-size:13px;
  color: var(--ink-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.field input,
.field textarea{
  width:100%;
  background: var(--bg-secondary);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--ink);
  outline: none;
  transition: var(--transition);
  font-size: 15px;
  font-family: inherit;
}

.field input::placeholder,
.field textarea::placeholder{
  color: var(--muted);
}

.field textarea{
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.field input:focus,
.field textarea:focus{
  border-color: var(--primary);
  box-shadow: var(--focus);
  background: #ffffff;
}

.field input:hover:not(:focus),
.field textarea:hover:not(:focus){
  border-color: rgba(26, 90, 82, 0.3);
}

.hint{
  display:block;
  margin-top:4px;
  color: var(--muted);
  font-size: 12px;
}

.actions{
  display:flex;
  gap:14px;
  align-items:center;
  margin-top: 12px;
}

@media (max-width: 768px){
  .actions{
    flex-direction:column;
    align-items:stretch;
  }
}

.btn{
  appearance:none;
  border: 1.5px solid var(--line);
  background: var(--bg-secondary);
  color: var(--ink);
  padding: 12px 24px;
  border-radius: 10px;
  cursor:pointer;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: var(--transition);
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  position: relative;
}

.btn:hover{
  border-color: var(--primary);
  background: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active{
  transform: translateY(0);
}

.btn.primary{
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(26, 90, 82, 0.2);
}

.btn.primary:hover{
  background: var(--primary-light);
  border-color: var(--primary-light);
  box-shadow: 0 4px 16px rgba(26, 90, 82, 0.25);
}

.btn.ghost{
  background: transparent;
  border-color: var(--line);
}

.btn.ghost:hover{
  background: var(--bg);
  border-color: var(--primary);
}

.btn:focus{
  outline:none;
  box-shadow: var(--focus);
}

.pill{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--line);
  background: var(--bg-secondary);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-secondary);
}

.dot{
  width:8px;
  height:8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.2);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.divider{
  height:1px;
  background: var(--line);
  margin: 24px 0;
}

.list{
  margin:0;
  padding-left: 20px;
  color: var(--muted);
}

.list li{
  margin: 10px 0;
  line-height: 1.7;
}

.list li::marker{
  color: var(--accent);
}

.result{
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(40, 167, 69, 0.3);
  background: rgba(40, 167, 69, 0.08);
  color: var(--ink);
}

.toast{
  position: fixed;
  right: 24px;
  bottom: 24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  z-index: 200;
}

.toast .t{
  max-width: 400px;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  border: 1.5px solid var(--line);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  font-weight: 600;
  animation: toast-in 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toast .t.ok{
  border-color: rgba(40, 167, 69, 0.4);
  background: rgba(40, 167, 69, 0.1);
  color: var(--ink);
}

.toast .t.err{
  border-color: rgba(220, 53, 69, 0.4);
  background: rgba(220, 53, 69, 0.1);
  color: var(--ink);
}

.alert{
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border:1.5px solid var(--line);
  background: var(--bg-secondary);
}

.alert-error{
  border-color: rgba(220, 53, 69, 0.4);
  background: rgba(220, 53, 69, 0.1);
  color: var(--ink);
}

.auth-card{
  max-width: 480px;
  margin: 100px auto 0;
  padding: 40px;
}

.auth-card .h1{
  margin: 12px 0 2px;  
  line-height: 1.15;
}

.auth-card .muted{
  margin: 0 0 6px;
}  


.footnote{
  margin-top: 20px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

/* Combo (search-select) */
.combo{
  display:grid;
  grid-template-columns: 1fr 44px;
  position:relative;
}

.combo-input{
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.combo-btn{
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border: 1.5px solid var(--line);
  border-left: none;
  background: var(--bg-secondary);
  color: var(--ink);
  cursor:pointer;
  transition: var(--transition);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.combo-btn:hover{
  background: #ffffff;
  border-color: var(--primary);
  color: var(--primary);
}

.combo-btn:focus{
  outline:none;
  box-shadow: var(--focus);
}

.combo-menu{
  position:absolute;
  left:0;
  right:0;
  top: calc(100% + 8px);
  background: var(--bg-secondary);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  overflow:hidden;
  display:none;
  max-height: 300px;
  overflow-y:auto;
  z-index: 50;
}

.combo.open .combo-menu{
  display:block;
  animation: dropdown-in 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.combo-item{
  padding: 12px 16px;
  font-size: 15px;
  cursor:pointer;
  border-bottom: 1px solid rgba(222, 226, 230, 0.5);
  transition: var(--transition);
  font-weight: 500;
}

.combo-item:last-child{
  border-bottom:none;
}

.combo-item:hover{
  background: rgba(26, 90, 82, 0.06);
  padding-left: 20px;
}

.combo-item[aria-selected="true"]{
  background: rgba(26, 90, 82, 0.1);
  border-left: 3px solid var(--primary);
  padding-left: 17px;
  color: var(--primary);
  font-weight: 600;
}

.combo-empty{
  padding: 12px 16px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.spinner{
  width: 16px;
  height:16px;
  border-radius: 50%;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  margin-right: 10px;
  display:none;
  animation: spin .6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.recent{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.recent .r{
  border: 1.5px solid var(--line);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  transition: var(--transition);
  cursor: pointer;
}

.recent .r:hover{
  background: #ffffff;
  border-color: var(--primary);
  transform: translateX(2px);
  box-shadow: var(--shadow-md);
}

.recent .r strong{
  display:block;
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 4px;
  font-weight: 600;
}

/* Footer */
.footer{
  margin-top: 60px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer-content{
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.footer-content strong{
  color: var(--ink-secondary);
  font-weight: 600;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(26, 90, 82, 0.3);
}

/* Responsive improvements */
@media (max-width: 768px) {
  .shell {
    padding: 24px 16px 60px;
  }
  
  .topbar-inner {
    padding: 14px 16px;
  }
  
  .card {
    padding: 24px;
  }
  
  .h1 {
    font-size: 24px;
  }
  
  .mark {
    width: 160px;
    height: 50px;
  }
}