/* ════════════════════════════════════════════════════════════════
   Tesla-Inspired Design System
   for Wylie Integrated Management Platform
   ════════════════════════════════════════════════════════════════ */

/* ── 1. Design Tokens ─────────────────────────────────────────── */
:root {
  /* Brand & Action */
  --tsl-blue:        #3E6AE1;
  --tsl-blue-hover:  #335CC9;
  --tsl-blue-active: #2A4FB2;

  /* Surface */
  --tsl-white:       #FFFFFF;
  --tsl-ash:         #F4F4F4;
  --tsl-ash-2:       #FAFAFA;
  --tsl-carbon:      #171A20;
  --tsl-carbon-2:    #1F2228;

  /* Text */
  --tsl-text-1:      #171A20;
  --tsl-text-2:      #393C41;
  --tsl-text-3:      #5C5E62;
  --tsl-text-4:      #8E8E8E;
  --tsl-text-inv:    #FFFFFF;

  /* Lines */
  --tsl-line-1:      #EEEEEE;
  --tsl-line-2:      #D0D1D2;
  --tsl-line-3:      #393C41;

  /* Semantic — 빌딩 점검 매트릭스용 (절제하여 사용) */
  --tsl-ok:          #16A34A;
  --tsl-warn:        #D97706;
  --tsl-err:         #DC2626;
  --tsl-ok-bg:       #F0FDF4;
  --tsl-warn-bg:     #FFFBEB;
  --tsl-err-bg:      #FEF2F2;

  /* Frosted nav */
  --tsl-frost:       rgba(255, 255, 255, 0.78);
  --tsl-frost-dark:  rgba(23, 26, 32, 0.78);

  /* Motion */
  --tsl-trs:         0.33s cubic-bezier(0.5, 0, 0, 0.75);

  /* Radius */
  --tsl-r-0:         0;
  --tsl-r-1:         4px;
  --tsl-r-2:         12px;

  /* Spacing */
  --tsl-s-1:         8px;
  --tsl-s-2:         16px;
  --tsl-s-3:         24px;
  --tsl-s-4:         32px;
  --tsl-s-5:         48px;
  --tsl-s-6:         64px;
}

/* ── 2. Reset / Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: "Universal Sans Text", "Pretendard", -apple-system,
    BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
    "Malgun Gothic", Arial, sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.43;
  color: var(--tsl-text-2);
  background: var(--tsl-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body { min-height: 100vh; min-height: 100dvh; }

h1, h2, h3, h4, h5, h6 {
  font-family: "Universal Sans Display", "Pretendard", -apple-system, sans-serif;
  color: var(--tsl-text-1);
  font-weight: 500;
  line-height: 1.2;
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── 3. Typography Utilities ─────────────────────────────────── */
.tsl-hero       { font-size: 40px; font-weight: 500; line-height: 1.2; color: var(--tsl-text-1); }
.tsl-hero-inv   { font-size: 40px; font-weight: 500; line-height: 1.2; color: var(--tsl-text-inv); }
.tsl-title      { font-size: 22px; font-weight: 500; line-height: 1.27; color: var(--tsl-text-1); }
.tsl-product    { font-size: 17px; font-weight: 500; color: var(--tsl-text-1); }
.tsl-body       { font-size: 14px; font-weight: 400; color: var(--tsl-text-2); }
.tsl-meta       { font-size: 14px; font-weight: 500; color: var(--tsl-text-1); }
.tsl-sub        { font-size: 14px; font-weight: 400; color: var(--tsl-text-3); }
.tsl-cap        { font-size: 12px; font-weight: 400; color: var(--tsl-text-4); }
.tsl-text-inv   { color: var(--tsl-text-inv); }
.tsl-text-2     { color: var(--tsl-text-2); }
.tsl-text-3     { color: var(--tsl-text-3); }
.tsl-text-4     { color: var(--tsl-text-4); }

/* ── 4. Buttons ───────────────────────────────────────────────── */
.tsl-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 4px 24px;
  border: 3px solid transparent;
  border-radius: var(--tsl-r-1);
  font-size: 14px; font-weight: 500; line-height: 1.2;
  background: var(--tsl-blue); color: var(--tsl-text-inv);
  cursor: pointer;
  transition: background-color var(--tsl-trs), color var(--tsl-trs),
              border-color var(--tsl-trs), box-shadow 0.25s;
  user-select: none;
}
.tsl-btn:hover    { background: var(--tsl-blue-hover); }
.tsl-btn:active   { background: var(--tsl-blue-active); }
.tsl-btn:focus    { outline: none; box-shadow: 0 0 0 2px rgba(62,106,225,.4); }
.tsl-btn[disabled]{ background: var(--tsl-text-4); cursor: not-allowed; }

.tsl-btn--ghost {
  background: var(--tsl-white); color: var(--tsl-text-2);
  border: 1px solid var(--tsl-line-2);
}
.tsl-btn--ghost:hover  { background: var(--tsl-ash); }
.tsl-btn--ghost:active { background: var(--tsl-line-1); }

.tsl-btn--dark {
  background: var(--tsl-carbon); color: var(--tsl-text-inv);
  border: 1px solid var(--tsl-carbon);
}
.tsl-btn--dark:hover { background: var(--tsl-carbon-2); }

.tsl-btn--sm  { min-height: 32px; padding: 2px 16px; font-size: 13px; }
.tsl-btn--lg  { min-height: 48px; padding: 4px 32px; font-size: 15px; }
.tsl-btn--block { width: 100%; }

.tsl-btn--icon {
  width: 36px; height: 36px; padding: 0;
  background: transparent; color: var(--tsl-text-1);
  border: 1px solid transparent; border-radius: var(--tsl-r-1);
}
.tsl-btn--icon:hover { background: var(--tsl-ash); }

/* Nav button */
.tsl-nav-btn {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 32px; padding: 4px 16px;
  background: transparent; color: var(--tsl-text-1);
  font-size: 14px; font-weight: 500;
  border: none; border-radius: var(--tsl-r-1);
  cursor: pointer;
  transition: background-color var(--tsl-trs), color var(--tsl-trs);
}
.tsl-nav-btn:hover { background: var(--tsl-ash); }
.tsl-nav-btn--active { color: var(--tsl-blue); }

/* Text link */
.tsl-link {
  color: var(--tsl-text-3); font-weight: 400; font-size: 14px;
  cursor: pointer;
  transition: color var(--tsl-trs), box-shadow var(--tsl-trs);
}
.tsl-link:hover {
  color: var(--tsl-text-1);
  box-shadow: inset 0 -1px 0 var(--tsl-text-1);
}

/* ── 5. Inputs ────────────────────────────────────────────────── */
.tsl-input {
  width: 100%; min-height: 48px;
  padding: 12px 16px;
  background: var(--tsl-white); color: var(--tsl-text-1);
  border: 1px solid var(--tsl-line-2); border-radius: var(--tsl-r-1);
  font-size: 14px; font-weight: 400;
  transition: border-color var(--tsl-trs), box-shadow var(--tsl-trs);
}
.tsl-input::placeholder { color: var(--tsl-text-4); }
.tsl-input:focus {
  outline: none;
  border-color: var(--tsl-blue);
  box-shadow: 0 0 0 1px var(--tsl-blue);
}

.tsl-select {
  height: 36px; padding: 0 32px 0 12px;
  background: var(--tsl-white) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' stroke='%23393C41' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat right 10px center;
  color: var(--tsl-text-1);
  border: 1px solid var(--tsl-line-2); border-radius: var(--tsl-r-1);
  font-size: 13px;
  appearance: none; -webkit-appearance: none;
  cursor: pointer;
}
.tsl-select:focus { outline: none; border-color: var(--tsl-blue); box-shadow: 0 0 0 1px var(--tsl-blue); }

/* ── 6. Containers / Cards ────────────────────────────────────── */
.tsl-section {
  width: 100%; padding: var(--tsl-s-5) var(--tsl-s-3);
}
.tsl-container {
  width: 100%; max-width: 1200px; margin: 0 auto;
}
.tsl-container--wide { max-width: 1440px; }
.tsl-container--narrow { max-width: 720px; }

/* Category card (Tesla 홈 카드) — full-bleed bg + 라운드 12px */
.tsl-category-card {
  position: relative;
  display: block; overflow: hidden;
  border-radius: var(--tsl-r-2);
  background: var(--tsl-ash);
  aspect-ratio: 16 / 10;
  transition: transform var(--tsl-trs);
}
.tsl-category-card__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform var(--tsl-trs);
}
.tsl-category-card:hover .tsl-category-card__bg { transform: scale(1.02); }
.tsl-category-card__label {
  position: absolute; top: var(--tsl-s-3); left: var(--tsl-s-3);
  color: var(--tsl-text-inv);
  font-size: 16px; font-weight: 500;
  text-shadow: 0 1px 2px rgba(0,0,0,.18);
}
.tsl-category-card__cta {
  position: absolute; left: 50%; bottom: var(--tsl-s-3);
  transform: translateX(-50%);
  display: inline-flex; gap: var(--tsl-s-1);
}

/* Plain Card */
.tsl-card {
  background: var(--tsl-white);
  border: 1px solid var(--tsl-line-1);
  border-radius: var(--tsl-r-2);
  padding: var(--tsl-s-3);
}

/* Stat / KPI card — for dashboard */
.tsl-stat {
  display: flex; flex-direction: column; gap: 8px;
  padding: var(--tsl-s-3);
  background: var(--tsl-white);
  border: 1px solid var(--tsl-line-1);
  border-radius: var(--tsl-r-2);
  transition: border-color var(--tsl-trs);
}
.tsl-stat:hover { border-color: var(--tsl-line-2); }
.tsl-stat__label { font-size: 12px; color: var(--tsl-text-3); font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase; }
.tsl-stat__value { font-size: 32px; font-weight: 500; color: var(--tsl-text-1);
  font-family: "Universal Sans Display", "Pretendard", sans-serif; line-height: 1.1; }
.tsl-stat__sub { font-size: 13px; color: var(--tsl-text-3); }
.tsl-stat__sub--err  { color: var(--tsl-err); }
.tsl-stat__sub--ok   { color: var(--tsl-ok); }
.tsl-stat__sub--warn { color: var(--tsl-warn); }

/* ── 7. Shell — Top navigation + Side menu (Drawer) ──────────── */
.tsl-shell {
  display: flex; flex-direction: column; min-height: 100vh; min-height: 100dvh;
  background: var(--tsl-white);
}

.tsl-topnav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--tsl-s-3);
  height: 56px; padding: 0 var(--tsl-s-3);
  background: var(--tsl-frost);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--tsl-line-1);
}
.tsl-topnav__brand {
  display: flex; align-items: center; gap: 12px;
  font-family: "Universal Sans Display", -apple-system, sans-serif;
  font-size: 16px; font-weight: 500; letter-spacing: 0.18em;
  color: var(--tsl-text-1);
  user-select: none;
}
.tsl-topnav__brand-mark { font-weight: 500; letter-spacing: 0.28em; }
.tsl-topnav__brand-sub  { font-size: 11px; color: var(--tsl-text-3);
  letter-spacing: 0.16em; text-transform: uppercase; font-weight: 500; }

.tsl-topnav__menu {
  display: flex; align-items: center; gap: 4px;
}
.tsl-topnav__right {
  display: flex; align-items: center; gap: 8px;
}
.tsl-topnav__user {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 10px 4px 6px;
  font-size: 13px; color: var(--tsl-text-2);
}
.tsl-topnav__avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--tsl-carbon); color: var(--tsl-text-inv);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 500;
}
.tsl-topnav__hamburger { display: none; }

@media (max-width: 880px) {
  .tsl-topnav__menu { display: none; }
  .tsl-topnav__hamburger { display: inline-flex; }
  .tsl-topnav__user .tsl-topnav__user-name { display: none; }
  /* 모바일에선 로그아웃을 드로어 메뉴로 일원화 — topnav 버튼은 숨겨 영역 침범 방지 */
  .tsl-topnav__logout { display: none; }
}

/* Drawer (mobile + desktop overflow) */
.tsl-drawer-backdrop {
  position: fixed; inset: 0; z-index: 199;
  background: rgba(23, 26, 32, 0.4);
  opacity: 0; pointer-events: none;
  transition: opacity var(--tsl-trs);
}
.tsl-drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.tsl-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 200;
  width: 320px; max-width: 88vw;
  background: var(--tsl-white);
  border-left: 1px solid var(--tsl-line-1);
  transform: translateX(100%);
  transition: transform var(--tsl-trs);
  display: flex; flex-direction: column;
}
.tsl-drawer.open { transform: translateX(0); }
.tsl-drawer__hd {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--tsl-line-1);
  font-size: 14px; font-weight: 500;
}
.tsl-drawer__list { display: flex; flex-direction: column; padding: 8px 0; }
.tsl-drawer__item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  background: transparent; border: none;
  font-size: 15px; font-weight: 500; color: var(--tsl-text-1);
  cursor: pointer; text-align: left;
  transition: background-color var(--tsl-trs);
}
.tsl-drawer__item:hover  { background: var(--tsl-ash); }
.tsl-drawer__item--active{ color: var(--tsl-blue); }
.tsl-drawer__item--danger{ color: var(--tsl-err); }
.tsl-drawer__divider { height: 1px; background: var(--tsl-line-1); margin: 8px 0; }
.tsl-drawer__footer { margin-top: auto; padding: 16px 20px;
  border-top: 1px solid var(--tsl-line-1); font-size: 12px; color: var(--tsl-text-4); }

/* ── 8. Hero (Tesla 풀뷰포트) ─────────────────────────────────── */
.tsl-hero-section {
  position: relative;
  min-height: calc(100vh - 56px);
  min-height: calc(100dvh - 56px);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--tsl-carbon);
}
.tsl-hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 30%, #2a2f38 0%, var(--tsl-carbon) 60%, #0d0f13 100%);
}
.tsl-hero-bg::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.tsl-hero-content {
  position: relative; z-index: 2;
  width: 100%; max-width: 1200px;
  padding: var(--tsl-s-6) var(--tsl-s-3);
  text-align: center;
}
.tsl-hero-eyebrow {
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--tsl-blue);
  margin-bottom: var(--tsl-s-2);
}
.tsl-hero-title {
  font-family: "Universal Sans Display", "Pretendard", sans-serif;
  font-size: clamp(36px, 5.5vw, 56px);
  font-weight: 500; line-height: 1.1;
  color: var(--tsl-text-inv);
  margin-bottom: var(--tsl-s-2);
}
.tsl-hero-sub {
  font-size: 16px; color: rgba(255,255,255,.7);
  margin-bottom: var(--tsl-s-4);
  max-width: 520px; margin-left: auto; margin-right: auto;
}
.tsl-hero-actions {
  display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center;
}
.tsl-hero-actions .tsl-btn { min-width: 200px; }
.tsl-hero-actions .tsl-btn--ghost {
  background: rgba(244, 244, 244, 0.78);
  border-color: transparent; color: var(--tsl-text-1);
}
.tsl-hero-actions .tsl-btn--ghost:hover { background: var(--tsl-white); }

@media (max-width: 600px) {
  .tsl-hero-actions { flex-direction: column; width: 100%; }
  .tsl-hero-actions .tsl-btn { width: 100%; min-width: 0; }
}

/* ── 9. Grid utility ─────────────────────────────────────────── */
.tsl-grid { display: grid; gap: var(--tsl-s-3); }
.tsl-grid--2 { grid-template-columns: repeat(2, 1fr); }
.tsl-grid--3 { grid-template-columns: repeat(3, 1fr); }
.tsl-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 880px) {
  .tsl-grid--3, .tsl-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .tsl-grid--2, .tsl-grid--3, .tsl-grid--4 { grid-template-columns: 1fr; }
}

/* ── 10. Toast ───────────────────────────────────────────────── */
#tsl-toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
  background: var(--tsl-carbon); color: var(--tsl-text-inv);
  padding: 12px 20px; border-radius: var(--tsl-r-1);
  font-size: 13px; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: opacity var(--tsl-trs);
  z-index: 9999;
  white-space: nowrap;
  max-width: 90vw;
}
#tsl-toast.show { opacity: 1; }
#tsl-toast.ok   { background: var(--tsl-ok); }
#tsl-toast.err  { background: var(--tsl-err); }

/* ── 11. Misc utility ────────────────────────────────────────── */
.tsl-divider { height: 1px; background: var(--tsl-line-1); margin: var(--tsl-s-3) 0; }
.tsl-row { display: flex; align-items: center; gap: 12px; }
.tsl-row--between { justify-content: space-between; }
.tsl-row--center  { justify-content: center; }
.tsl-row--gap-sm  { gap: 6px; }

.tsl-spacer { flex: 1; }
.tsl-mt-1 { margin-top: var(--tsl-s-1); }
.tsl-mt-2 { margin-top: var(--tsl-s-2); }
.tsl-mt-3 { margin-top: var(--tsl-s-3); }
.tsl-mt-4 { margin-top: var(--tsl-s-4); }
.tsl-mb-1 { margin-bottom: var(--tsl-s-1); }
.tsl-mb-2 { margin-bottom: var(--tsl-s-2); }
.tsl-mb-3 { margin-bottom: var(--tsl-s-3); }
.tsl-mb-4 { margin-bottom: var(--tsl-s-4); }
.tsl-hidden { display: none !important; }

/* Status pill (절제) */
.tsl-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
  background: var(--tsl-ash); color: var(--tsl-text-2);
  border: 1px solid var(--tsl-line-1);
}
.tsl-pill--blue { background: rgba(62,106,225,.08); color: var(--tsl-blue); border-color: rgba(62,106,225,.18); }
.tsl-pill--ok   { background: var(--tsl-ok-bg);  color: var(--tsl-ok);  border-color: #bbf7d0; }
.tsl-pill--warn { background: var(--tsl-warn-bg);color: var(--tsl-warn);border-color: #fde68a; }
.tsl-pill--err  { background: var(--tsl-err-bg); color: var(--tsl-err); border-color: #fecaca; }

/* ───────── Recent issues list (Dashboard) ───────── */
.tsl-recent-list {
  display: flex; flex-direction: column;
  border: 1px solid var(--tsl-line-1);
  border-radius: var(--tsl-radius);
  background: #fff;
  overflow: hidden;
}
.tsl-recent-empty {
  padding: 32px 20px; text-align: center;
  color: var(--tsl-text-4); font-size: 14px;
}
.tsl-recent__item {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 16px 20px;
  border-bottom: 1px solid var(--tsl-line-1);
  text-decoration: none; color: var(--tsl-text-1);
  transition: background var(--tsl-dur) ease;
}
.tsl-recent__item:last-child { border-bottom: 0; }
.tsl-recent__item:hover { background: var(--tsl-ash-2); }
.tsl-recent__left { display: flex; align-items: center; gap: 14px; min-width: 0; flex: 1; }
.tsl-recent__dot {
  flex-shrink: 0;
  width: 36px; height: 36px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 16px;
}
.tsl-recent__dot--x { background: var(--tsl-err-bg); color: var(--tsl-err); }
.tsl-recent__dot--w { background: var(--tsl-warn-bg); color: var(--tsl-warn); }
.tsl-recent__meta { min-width: 0; flex: 1; }
.tsl-recent__title {
  font-size: 14px; font-weight: 500; color: var(--tsl-text-1);
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-bottom: 4px;
}
.tsl-recent__cat {
  font-size: 12px; color: var(--tsl-text-3);
  background: var(--tsl-ash);
  padding: 2px 8px; border-radius: 4px;
}
.tsl-recent__type {
  font-size: 12px; color: var(--tsl-blue);
  background: rgba(62,106,225,.08);
  padding: 2px 8px; border-radius: 4px;
}
.tsl-recent__note {
  font-size: 13px; color: var(--tsl-text-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 100%;
}
.tsl-recent__right {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.tsl-recent__price {
  font-size: 13px; font-weight: 600; color: var(--tsl-text-1);
  background: var(--tsl-ash); padding: 4px 10px; border-radius: 4px;
}
.tsl-recent__date {
  font-size: 12px; color: var(--tsl-text-4);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 640px) {
  .tsl-recent__item { padding: 14px 14px; }
  .tsl-recent__right { display: none; }
  .tsl-recent__note { font-size: 12px; }
}