:root {
  --bg: #f3f6fb;
  --bg-soft: #f8fafc;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --ink: #172033;
  --muted: #68758a;
  --line: #dde4ee;
  --line-strong: #cbd5e1;
  --primary: #6757d9;
  --primary-dark: #5144bc;
  --primary-soft: #eeebff;
  --secondary: #0d9db4;
  --secondary-soft: #e7f8fb;
  --success: #198754;
  --success-soft: #eaf7f0;
  --warning: #d97706;
  --warning-soft: #fff5df;
  --danger: #dc3545;
  --danger-soft: #fff0f1;
  --shadow-sm: 0 4px 14px rgba(33, 45, 73, .06);
  --shadow: 0 16px 42px rgba(33, 45, 73, .10);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body { margin: 0; min-height: 100vh; font-family: var(--font); color: var(--ink); background: linear-gradient(180deg, #f8faff 0, var(--bg) 420px); font-size: 14px; }
a { color: inherit; }
button, input { font: inherit; }

.kg-navbar { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(203, 213, 225, .82); background: rgba(255, 255, 255, .92); backdrop-filter: blur(16px); box-shadow: 0 6px 22px rgba(33, 45, 73, .05); }
.kg-navbar__inner { width: min(1500px, calc(100% - 32px)); min-height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.kg-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; min-width: 230px; }
.kg-logo { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; font-weight: 950; letter-spacing: .04em; box-shadow: 0 9px 20px rgba(103, 87, 217, .23); }
.kg-brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.kg-brand__text strong { font-size: 17px; letter-spacing: -.02em; }
.kg-brand__text small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.kg-nav { display: flex; align-items: center; gap: 6px; padding: 5px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-soft); }
.kg-nav a { display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 9px 13px; border-radius: 10px; color: var(--muted); text-decoration: none; font-weight: 800; transition: .15s ease; }
.kg-nav a:hover { color: var(--ink); background: #fff; }
.kg-nav a.is-active { color: var(--primary-dark); background: #fff; box-shadow: var(--shadow-sm); }
.kg-user { min-width: 230px; display: flex; justify-content: flex-end; align-items: center; gap: 9px; }
.kg-user__avatar { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--primary-soft); color: var(--primary-dark); font-weight: 900; font-size: 11px; }
.kg-user__name { color: var(--muted); font-weight: 750; }
.kg-logout { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: var(--muted); background: #fff; }
.kg-logout:hover { color: var(--danger); border-color: #f0b9be; background: var(--danger-soft); }

.kg-page { width: min(1320px, calc(100% - 40px)); margin: 0 auto; padding: 34px 0 64px; }
.kg-page--wide { width: min(1840px, calc(100% - 32px)); }
.kg-page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.kg-page-head h1, .kg-hero h1 { margin: 4px 0 9px; font-size: clamp(30px, 4vw, 48px); letter-spacing: -.045em; line-height: 1.05; }
.kg-page-head p, .kg-hero p { margin: 0; max-width: 760px; color: var(--muted); line-height: 1.65; }
.kg-eyebrow { margin: 0 !important; color: var(--primary) !important; font-size: 11px !important; font-weight: 950; letter-spacing: .16em; text-transform: uppercase; }

.kg-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 10px 16px; border: 1px solid var(--line-strong); border-radius: 11px; background: #fff; color: var(--ink); text-decoration: none; font-weight: 850; cursor: pointer; transition: .15s ease; }
.kg-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.kg-btn--primary { border-color: transparent; color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); box-shadow: 0 10px 24px rgba(103, 87, 217, .20); }
.kg-btn--secondary { color: var(--primary-dark); border-color: #d7d1ff; background: var(--primary-soft); }

input { width: 100%; min-height: 42px; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--ink); background: #fff; outline: none; }
input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(103, 87, 217, .12); }
input[type="file"] { padding: 7px 9px; }

.kg-card, .kg-date-box, .kg-stats article, .kg-pool-column, .kg-vehicle-column { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
.kg-card { padding: 21px; margin-bottom: 18px; }
.kg-card--accent { background: linear-gradient(145deg, #fff 0, #fbfaff 100%); border-color: #ddd8ff; }
.kg-card h2 { margin: 3px 0 0; font-size: 21px; letter-spacing: -.025em; }
.kg-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.kg-card-head > a { color: var(--primary); font-weight: 850; text-decoration: none; }
.kg-card-head > a:hover { text-decoration: underline; }
.kg-note { color: var(--muted); font-size: 12px; line-height: 1.6; }

.kg-alert { margin: 14px 0; padding: 13px 15px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.kg-alert--ok { color: #12663f; border-color: #b8e1ca; background: var(--success-soft); }
.kg-alert--warn { color: #8b4d06; border-color: #f1d39c; background: var(--warning-soft); }
.kg-alert--error { color: #a92431; border-color: #efb8bd; background: var(--danger-soft); }

.kg-hero { min-height: 290px; display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(240px, .65fr); align-items: center; gap: 32px; padding: 38px 42px; margin-bottom: 20px; border: 1px solid #dcd8fa; border-radius: var(--radius-lg); background: radial-gradient(circle at 80% 15%, rgba(13,157,180,.14), transparent 35%), linear-gradient(135deg, #fff 0, #f4f1ff 100%); box-shadow: var(--shadow); overflow: hidden; }
.kg-hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.kg-hero__visual { justify-self: end; width: min(270px, 100%); aspect-ratio: 1.25; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(103,87,217,.16); border-radius: 28px; background: rgba(255,255,255,.72); box-shadow: 0 20px 50px rgba(103,87,217,.12); transform: rotate(2deg); }
.kg-hero__bus { font-size: 60px; filter: drop-shadow(0 8px 10px rgba(35,45,80,.15)); }
.kg-hero__visual div { display: flex; align-items: baseline; gap: 8px; margin-top: 8px; }
.kg-hero__visual strong { font-size: 32px; color: var(--primary); }
.kg-hero__visual small { color: var(--muted); font-weight: 800; }

.kg-dashboard-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.kg-dashboard-stats article { display: flex; align-items: center; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); }
.kg-stat-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; color: var(--primary); background: var(--primary-soft); font-size: 20px; font-weight: 950; }
.kg-dashboard-stats div { display: flex; flex-direction: column; }
.kg-dashboard-stats strong { font-size: 25px; letter-spacing: -.03em; }
.kg-dashboard-stats small { margin-top: 2px; color: var(--muted); font-weight: 700; }
.kg-dashboard-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.kg-active-feed { display: flex; align-items: center; gap: 12px; padding: 15px; border: 1px solid #dcd8fa; border-radius: 13px; background: #fff; }
.kg-active-feed > div { flex: 1; display: flex; flex-direction: column; }
.kg-active-feed small { color: var(--muted); margin-top: 3px; }
.kg-status-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px var(--success-soft); }
.kg-data-list { margin: 16px 0 0; }
.kg-data-list div { display: flex; justify-content: space-between; gap: 16px; padding: 11px 2px; border-bottom: 1px solid var(--line); }
.kg-data-list div:last-child { border-bottom: 0; }
.kg-data-list dt { color: var(--muted); }
.kg-data-list dd { margin: 0; font-weight: 850; text-align: right; }
.kg-fleet-list { display: grid; gap: 10px; }
.kg-fleet-item { display: flex; align-items: center; gap: 12px; padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-soft); }
.kg-fleet-item > span:first-child { font-size: 22px; }
.kg-fleet-item div { flex: 1; display: flex; flex-direction: column; }
.kg-fleet-item small { margin-top: 2px; color: var(--muted); }
.kg-empty-state { padding: 28px 16px; text-align: center; }
.kg-empty-state > span { font-size: 38px; color: var(--primary); }
.kg-empty-state h3 { margin: 10px 0 5px; }
.kg-empty-state p { margin: 0 auto 17px; color: var(--muted); max-width: 430px; }

.kg-date-box { display: flex; align-items: flex-end; gap: 10px; padding: 12px; }
.kg-date-box label, .kg-form-row label, .kg-login-card label { display: flex; flex-direction: column; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 800; }
.kg-form-row { display: grid; grid-template-columns: 1fr 1.5fr auto; gap: 14px; align-items: end; }
.kg-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 17px; }
.kg-stats article { display: flex; align-items: baseline; gap: 9px; padding: 17px 19px; }
.kg-stats strong { font-size: 27px; color: var(--primary-dark); }
.kg-stats span { color: var(--muted); font-weight: 750; }

.kg-board { display: grid; grid-template-columns: minmax(340px, 1.25fr) repeat(3, minmax(270px, 1fr)); gap: 14px; align-items: start; }
.kg-pool-column, .kg-vehicle-column { overflow: hidden; }
.kg-column-head { display: flex; justify-content: space-between; align-items: center; padding: 15px 16px; border-bottom: 1px solid var(--line); font-weight: 900; background: var(--surface-soft); }
.kg-column-head strong { min-width: 32px; padding: 4px 8px; border-radius: 999px; color: var(--primary-dark); background: var(--primary-soft); text-align: center; }
.kg-vehicle-sub { padding: 9px 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; background: #fff; }
.kg-dropzone { min-height: 64vh; padding: 11px; display: flex; flex-direction: column; gap: 9px; background: #fbfcfe; transition: .15s ease; }
.kg-dropzone.is-over { background: var(--secondary-soft); outline: 2px dashed var(--secondary); outline-offset: -7px; }
.kg-course { padding: 13px; border: 1px solid var(--line); border-left: 4px solid var(--primary); border-radius: 12px; background: #fff; box-shadow: 0 5px 15px rgba(35,45,70,.06); cursor: grab; transition: .15s ease; }
.kg-course:hover { transform: translateY(-1px); border-color: #cfc8ff; box-shadow: 0 9px 20px rgba(35,45,70,.09); }
.kg-course.is-dragging { opacity: .45; }
.kg-course-top, .kg-course-meta, .kg-course-route { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.kg-line { min-width: 37px; padding: 4px 8px; border-radius: 8px; color: #fff; background: linear-gradient(135deg, var(--primary), var(--secondary)); font-weight: 950; text-align: center; }
.kg-course-route { margin: 10px 0; font-size: 12px; }
.kg-course-route span { flex: 1; }
.kg-course-route span:last-child { text-align: right; }
.kg-course-route b { color: var(--secondary); }
.kg-course-meta { color: var(--muted); font-size: 11px; }
.kg-course details { margin-top: 8px; color: var(--muted); font-size: 11px; }
.kg-course details p { line-height: 1.5; word-break: break-word; }

.kg-table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 12px 13px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--muted); background: var(--surface-soft); font-size: 10px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #fbfcff; }
.kg-table-empty { padding: 28px; color: var(--muted); text-align: center; }
.kg-badge { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 999px; color: #11653e; background: var(--success-soft); font-size: 10px; font-weight: 900; }
.kg-badge--soft { color: var(--primary-dark); background: var(--primary-soft); }
.kg-status { display: inline-flex; padding: 4px 8px; border-radius: 999px; font-size: 10px; font-weight: 900; text-transform: uppercase; }
.kg-status--ready { color: #11653e; background: var(--success-soft); }
.kg-status--importing { color: #8b4d06; background: var(--warning-soft); }
.kg-status--error { color: #a92431; background: var(--danger-soft); }

.kg-login-body { display: grid; place-items: center; padding: 28px; background: radial-gradient(circle at 12% 8%, rgba(103,87,217,.12), transparent 30%), var(--bg); }
.kg-login-shell { width: min(1030px, 100%); display: grid; grid-template-columns: 1.08fr .92fr; overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: 0 28px 80px rgba(35,45,73,.16); }
.kg-login-visual { padding: 64px; background: radial-gradient(circle at 20% 20%, rgba(13,157,180,.17), transparent 35%), linear-gradient(145deg, #f2efff, #eefaff); }
.kg-logo--large { width: 68px; height: 68px; font-size: 19px; }
.kg-login-visual h1 { margin: 19px 0 9px; font-size: 61px; letter-spacing: -.06em; }
.kg-login-visual > p { color: var(--muted); font-size: 17px; line-height: 1.65; }
.kg-login-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 38px; }
.kg-login-grid span { padding: 12px; border: 1px solid rgba(103,87,217,.12); border-radius: 11px; background: rgba(255,255,255,.68); font-size: 12px; font-weight: 850; text-align: center; }
.kg-login-card { padding: 64px 50px; background: #fff; }
.kg-login-card h2 { margin: 5px 0 26px; font-size: 33px; }
.kg-login-card form { display: grid; gap: 15px; }
.kg-login-hint { margin-top: 19px; color: var(--muted); font-size: 12px; }

@media (max-width: 1120px) {
  .kg-brand, .kg-user { min-width: auto; }
  .kg-user__name { display: none; }
  .kg-dashboard-stats { grid-template-columns: repeat(2, 1fr); }
  .kg-board { grid-template-columns: 1fr 1fr; }
  .kg-pool-column { grid-column: 1 / -1; }
  .kg-dropzone { min-height: 280px; }
}
@media (max-width: 800px) {
  .kg-summary-form { grid-template-columns: 1fr; }
  .kg-navbar__inner { width: calc(100% - 20px); min-height: auto; padding: 10px 0; flex-wrap: wrap; }
  .kg-brand__text small, .kg-user { display: none; }
  .kg-nav { order: 3; width: 100%; overflow-x: auto; }
  .kg-nav a { flex: 1 0 auto; justify-content: center; }
  .kg-page, .kg-page--wide { width: calc(100% - 24px); padding-top: 22px; }
  .kg-page-head { align-items: stretch; flex-direction: column; }
  .kg-hero { grid-template-columns: 1fr; padding: 28px 23px; }
  .kg-hero__visual { display: none; }
  .kg-dashboard-grid { grid-template-columns: 1fr; }
  .kg-form-row { grid-template-columns: 1fr; }
  .kg-login-shell { grid-template-columns: 1fr; }
  .kg-login-visual { display: none; }
  .kg-login-card { padding: 40px 25px; }
}
@media (max-width: 580px) {
  .kg-dashboard-stats, .kg-stats, .kg-board { grid-template-columns: 1fr; }
  .kg-pool-column { grid-column: auto; }
  .kg-date-box { align-items: stretch; flex-direction: column; }
  .kg-card { padding: 16px; }
}


.kg-summary-form { display: grid; grid-template-columns: minmax(220px, 340px) auto; gap: 14px; align-items: end; }
.kg-summary-form label { display: flex; flex-direction: column; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 800; }
.kg-card code { padding: 2px 6px; border-radius: 6px; color: var(--primary-dark); background: var(--primary-soft); font-size: .92em; }
.kg-modal[hidden] { display: none; }
.kg-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 20px; }
.kg-modal__backdrop { position: absolute; inset: 0; background: rgba(23, 32, 51, .58); backdrop-filter: blur(5px); }
.kg-modal__dialog { position: relative; width: min(470px, 100%); padding: 34px; border: 1px solid rgba(255,255,255,.4); border-radius: 22px; background: #fff; box-shadow: 0 30px 90px rgba(23,32,51,.28); text-align: center; }
.kg-modal__dialog h2 { margin: 17px 0 8px; font-size: 24px; }
.kg-modal__dialog p { min-height: 42px; margin: 0 0 18px; color: var(--muted); line-height: 1.5; }
.kg-modal__dialog p.is-error { color: var(--danger); font-weight: 800; }
.kg-modal__dialog > strong { display: block; margin: 10px 0 18px; color: var(--primary-dark); font-size: 18px; }
.kg-spinner { width: 54px; height: 54px; margin: 0 auto; border: 5px solid var(--primary-soft); border-top-color: var(--primary); border-radius: 50%; animation: kg-spin .8s linear infinite; }
.kg-progress { height: 12px; overflow: hidden; border-radius: 999px; background: var(--primary-soft); }
.kg-progress > div { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--secondary)); transition: width .22s ease; }
.kg-modal-open { overflow: hidden; }
@keyframes kg-spin { to { transform: rotate(360deg); } }

@media (max-width: 800px) {
  .kg-summary-form { grid-template-columns: 1fr; }
}