@font-face {
    font-family: 'Noto Sans KR';
    src: url('/fonts/NotoSansKR-VariableFont_wght.ttf') format('truetype');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   테마 변수 정의 (로그인 화면)
   main 화면과 쿠키를 공유하므로 동일한 data-theme 값 사용
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* ── 1. NAVY (기본) ───────────────────────────────── */
:root {
    --login-page-bg:
        radial-gradient(ellipse at 20% 50%, rgba(13,168,224,0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(79,195,247,0.05) 0%, transparent 50%),
        linear-gradient(160deg, #071524 0%, #0c1e30 55%, #122840 100%);
    --login-deco-border:       rgba(79,195,247,0.05);

    --login-card-bg:           rgba(15,31,48,0.92);
    --login-card-border:       rgba(79,195,247,0.18);
    --login-card-shadow:       0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(79,195,247,0.06) inset;

    --login-logo:              #4fc3f7;
    --login-logo-sub:          #82aec8;
    --login-divider:           linear-gradient(90deg, transparent, rgba(79,195,247,0.3), transparent);

    --login-input-bg:          rgba(255,255,255,0.06);
    --login-input-border:      rgba(130,174,200,0.25);
    --login-input-color:       #d8eef8;
    --login-label:             #82aec8;
    --login-input-focus-border:#4fc3f7;
    --login-input-focus-bg:    rgba(79,195,247,0.07);
    --login-label-focus:       #4fc3f7;
    --login-autofill-bg:       #0f2138;
    --login-autofill-color:    #d8eef8;

    --login-remember:          #82aec8;
    --login-accent:            #4fc3f7;

    --login-btn-bg:            linear-gradient(90deg, #0da8e0 0%, #4fc3f7 100%);
    --login-btn-color:         #071524;

    --login-guide:             #4a6a85;
    --login-guide-dot:         #2c4d68;
    --login-guide-border:      rgba(79,195,247,0.1);

    --login-footer:            #2c4d68;
    --login-body-bg:           #071524;
}

/* ── 2. CHARCOAL (퓨어 다크) ──────────────────────── */
[data-theme="charcoal"] {
    --login-page-bg:
        radial-gradient(ellipse at 30% 60%, rgba(100,100,100,0.04) 0%, transparent 60%),
        linear-gradient(160deg, #050505 0%, #0f0f0f 55%, #171717 100%);
    --login-deco-border:       rgba(200,200,200,0.04);

    --login-card-bg:           rgba(20,20,20,0.95);
    --login-card-border:       rgba(200,200,200,0.12);
    --login-card-shadow:       0 20px 60px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.04) inset;

    --login-logo:              #e4e4e7;
    --login-logo-sub:          #71717a;
    --login-divider:           linear-gradient(90deg, transparent, rgba(200,200,200,0.2), transparent);

    --login-input-bg:          rgba(255,255,255,0.05);
    --login-input-border:      rgba(180,180,180,0.2);
    --login-input-color:       #f4f4f5;
    --login-label:             #71717a;
    --login-input-focus-border:#a1a1aa;
    --login-input-focus-bg:    rgba(255,255,255,0.08);
    --login-label-focus:       #e4e4e7;
    --login-autofill-bg:       #141414;
    --login-autofill-color:    #f4f4f5;

    --login-remember:          #71717a;
    --login-accent:            #a1a1aa;

    --login-btn-bg:            linear-gradient(90deg, #3f3f46 0%, #52525b 100%);
    --login-btn-color:         #fafafa;

    --login-guide:             #52525b;
    --login-guide-dot:         #3f3f46;
    --login-guide-border:      rgba(255,255,255,0.06);

    --login-footer:            #3f3f46;
    --login-body-bg:           #050505;
}

/* ── 3. AMETHYST (미드나잇 퍼플) ──────────────────── */
[data-theme="amethyst"] {
    --login-page-bg:
        radial-gradient(ellipse at 20% 50%, rgba(168,85,247,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(232,121,249,0.06) 0%, transparent 50%),
        linear-gradient(160deg, #080313 0%, #0f0720 55%, #1a0d33 100%);
    --login-deco-border:       rgba(192,132,252,0.05);

    --login-card-bg:           rgba(15,7,32,0.92);
    --login-card-border:       rgba(192,132,252,0.2);
    --login-card-shadow:       0 20px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(192,132,252,0.06) inset;

    --login-logo:              #c084fc;
    --login-logo-sub:          #7c3aed;
    --login-divider:           linear-gradient(90deg, transparent, rgba(192,132,252,0.35), transparent);

    --login-input-bg:          rgba(192,132,252,0.06);
    --login-input-border:      rgba(167,139,250,0.22);
    --login-input-color:       #f3e8ff;
    --login-label:             #7c5cbf;
    --login-input-focus-border:#c084fc;
    --login-input-focus-bg:    rgba(192,132,252,0.1);
    --login-label-focus:       #e879f9;
    --login-autofill-bg:       #1a0835;
    --login-autofill-color:    #f3e8ff;

    --login-remember:          #7c5cbf;
    --login-accent:            #c084fc;

    --login-btn-bg:            linear-gradient(90deg, #7c3aed 0%, #c084fc 100%);
    --login-btn-color:         #0f0720;

    --login-guide:             #5b21b6;
    --login-guide-dot:         #4c1d95;
    --login-guide-border:      rgba(192,132,252,0.1);

    --login-footer:            #4c1d95;
    --login-body-bg:           #080313;
}

/* ── 4. EMERALD (다크 에메랄드) ───────────────────── */
[data-theme="emerald"] {
    --login-page-bg:
        radial-gradient(ellipse at 20% 50%, rgba(52,211,153,0.07) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(16,185,129,0.05) 0%, transparent 50%),
        linear-gradient(160deg, #010d09 0%, #022c22 55%, #043d2f 100%);
    --login-deco-border:       rgba(52,211,153,0.05);

    --login-card-bg:           rgba(1,18,11,0.92);
    --login-card-border:       rgba(52,211,153,0.18);
    --login-card-shadow:       0 20px 60px rgba(0,0,0,0.55), 0 0 0 1px rgba(52,211,153,0.06) inset;

    --login-logo:              #34d399;
    --login-logo-sub:          #047857;
    --login-divider:           linear-gradient(90deg, transparent, rgba(52,211,153,0.35), transparent);

    --login-input-bg:          rgba(52,211,153,0.05);
    --login-input-border:      rgba(110,231,183,0.22);
    --login-input-color:       #d1fae5;
    --login-label:             #34a87a;
    --login-input-focus-border:#34d399;
    --login-input-focus-bg:    rgba(52,211,153,0.08);
    --login-label-focus:       #6ee7b7;
    --login-autofill-bg:       #011a14;
    --login-autofill-color:    #d1fae5;

    --login-remember:          #047857;
    --login-accent:            #34d399;

    --login-btn-bg:            linear-gradient(90deg, #059669 0%, #34d399 100%);
    --login-btn-color:         #011a14;

    --login-guide:             #047857;
    --login-guide-dot:         #065f46;
    --login-guide-border:      rgba(52,211,153,0.1);

    --login-footer:            #065f46;
    --login-body-bg:           #010d09;
}

/* ── 5. SLATE LIGHT (클린 라이트) ─────────────────── */
[data-theme="slate"] {
    --login-page-bg:
        radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(147,197,253,0.05) 0%, transparent 50%),
        linear-gradient(160deg, #e2e8f0 0%, #f1f5f9 55%, #f8fafc 100%);
    --login-deco-border:       rgba(59,130,246,0.08);

    --login-card-bg:           rgba(255,255,255,0.92);
    --login-card-border:       rgba(59,130,246,0.15);
    --login-card-shadow:       0 20px 60px rgba(15,23,42,0.12), 0 0 0 1px rgba(59,130,246,0.06) inset;

    --login-logo:              #2563eb;
    --login-logo-sub:          #64748b;
    --login-divider:           linear-gradient(90deg, transparent, rgba(59,130,246,0.25), transparent);

    --login-input-bg:          rgba(59,130,246,0.04);
    --login-input-border:      rgba(100,116,139,0.3);
    --login-input-color:       #0f172a;
    --login-label:             #64748b;
    --login-input-focus-border:#3b82f6;
    --login-input-focus-bg:    rgba(59,130,246,0.06);
    --login-label-focus:       #2563eb;
    --login-autofill-bg:       #eff6ff;
    --login-autofill-color:    #0f172a;

    --login-remember:          #64748b;
    --login-accent:            #3b82f6;

    --login-btn-bg:            linear-gradient(90deg, #1d4ed8 0%, #3b82f6 100%);
    --login-btn-color:         #ffffff;

    --login-guide:             #94a3b8;
    --login-guide-dot:         #cbd5e1;
    --login-guide-border:      rgba(59,130,246,0.1);

    --login-footer:            #94a3b8;
    --login-body-bg:           #f1f5f9;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   공통 스타일
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

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

html, body {
    height: 100%;
    font-family: 'Noto Sans KR', 'Malgun Gothic', sans-serif;
    font-size: 14px;
    background: var(--login-body-bg);
    transition: background 0.3s;
}

/* ── 전체 페이지 배경 ── */
.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--login-page-bg);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
}

/* 배경 장식 원 */
.login-page::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    border: 1px solid var(--login-deco-border);
    top: -200px; right: -200px;
    pointer-events: none;
}
.login-page::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    border-radius: 50%;
    border: 1px solid var(--login-deco-border);
    bottom: -150px; left: -100px;
    pointer-events: none;
}

/* ── 로그인 카드 ── */
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--login-card-bg);
    border: 1px solid var(--login-card-border);
    border-radius: 14px;
    padding: 44px 40px 36px;
    box-shadow: var(--login-card-shadow);
    backdrop-filter: blur(8px);
    position: relative;
    z-index: 1;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

/* ── 로고 ── */
.login-logo {
    text-align: center;
    margin-bottom: 28px;
}
/* L&F Plus 로고 이미지. 로그인 카드가 어두우므로(모든 테마) 흰색 반전. */
.logo-img {
    display: block;
    height: 23px;   /* plus_logo_trim.png (940x123, 여백 제거판) — CSS 높이 = 글자 실높이 */
    width: auto;
    max-width: 100%;
    margin: 0 auto;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}
.logo-sub {
    font-size: 12px;
    color: var(--login-logo-sub);
    margin-top: 5px;
    letter-spacing: 1px;
    font-weight: 300;
}

/* ── 구분선 ── */
.login-divider {
    height: 1px;
    background: var(--login-divider);
    margin-bottom: 28px;
}

/* ── 폼 ── */
#login-form { }

.form-field {
    position: relative;
    margin-bottom: 18px;
}
.form-field input.field-input {
    width: 100%;
    height: 52px;
    background: var(--login-input-bg);
    border: 1px solid var(--login-input-border);
    border-radius: 8px;
    color: var(--login-input-color);
    font-size: 14px;
    font-family: inherit;
    padding: 18px 16px 6px;
    outline: none;
    transition: border-color 0.25s, background 0.25s;
}
.form-field label.field-label {
    position: absolute;
    left: 16px;
    top: 16px;
    font-size: 13px;
    color: var(--login-label);
    pointer-events: none;
    transition: top 0.2s, font-size 0.2s, color 0.2s;
    font-weight: 400;
}
.form-field:focus-within .field-label,
.form-field.has-val .field-label {
    top: 7px;
    font-size: 10px;
    letter-spacing: 0.5px;
}
.form-field:focus-within .field-label { color: var(--login-label-focus); }
.form-field.has-val:not(:focus-within) .field-label { color: var(--login-label); }
.form-field:focus-within input.field-input {
    border-color: var(--login-input-focus-border);
    background: var(--login-input-focus-bg);
}

/* ── 공장 선택 (네이티브 select) ── 로그인 인풋보다 작게(보조 컨트롤), placeholder 로 안내 ── */
.form-field.plant-field { margin-bottom: 14px; }
.form-field select.field-select {
    width: 100%;
    height: 36px;
    background: var(--login-input-bg);
    border: 1px solid var(--login-input-border);
    border-radius: 6px;
    color: var(--login-input-color);
    font-size: 13px;
    font-family: inherit;
    padding: 0 12px;
    outline: none;
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s;
}
.form-field select.field-select:focus {
    border-color: var(--login-input-focus-border);
    background: var(--login-input-focus-bg);
}
/* 미선택(placeholder, value="") 상태는 흐리게 — 선택 시 정상색 */
.form-field select.field-select:required:invalid { color: var(--login-label); }
/* 옵션 목록은 네이티브 팝업(밝은 표면)에 렌더 → 다크테마의 반투명 배경/흰 글씨면 안 보임.
   테마 무관 불투명 어두운 글씨+흰 배경으로 고정해 가독성 확보. */
.form-field select.field-select option { color: #1f2937; background: #ffffff; }

/* 자동완성 배경색 처리 */
.form-field input:-webkit-autofill,
.form-field input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0px 1000px var(--login-autofill-bg) inset;
    -webkit-text-fill-color: var(--login-autofill-color);
    transition: background-color 600000s;
}

/* ── 아이디 저장 ── */
.remember-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 4px 0 16px;
}
.remember-wrap input[type=checkbox] {
    width: 15px; height: 15px;
    accent-color: var(--login-accent);
    cursor: pointer;
}
.remember-wrap label {
    font-size: 12px;
    color: var(--login-remember);
    cursor: pointer;
    user-select: none;
}

/* ── 에러 메시지 ── */
.error-message {
    font-size: 12px;
    color: #ff6b6b;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(255,107,107,0.1);
    border-radius: 6px;
    border-left: 3px solid #ff6b6b;
}

/* ── 로그인 버튼 ── */
.btn-login {
    width: 100%;
    height: 48px;
    background: var(--login-btn-bg);
    border: none;
    border-radius: 8px;
    color: var(--login-btn-color);
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    letter-spacing: 1px;
    cursor: pointer;
    transition: filter 0.2s, transform 0.1s;
    margin-top: 6px;
}
.btn-login:hover { filter: brightness(1.08); }
.btn-login:active { transform: scale(0.99); filter: brightness(0.95); }

/* ── 안내 문구 ── */
.login-guide {
    list-style: none;
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--login-guide-border);
}
.login-guide li {
    font-size: 11px;
    color: var(--login-guide);
    padding: 2px 0 2px 12px;
    position: relative;
    line-height: 1.6;
}
.login-guide li::before {
    content: '';
    width: 3px; height: 3px;
    background: var(--login-guide-dot);
    border-radius: 50%;
    position: absolute;
    left: 0; top: 9px;
}

/* ── 테마 선택기 (로그인 화면 우상단) ── */
/* ── 테마 선택기 (우상단 팔레트 버튼 → 카드 드롭다운) ──
   메인 헤더의 'pill 버튼 → 카드 드롭다운' 언어를 로그인에도 동일하게.
   카드는 로그인 카드와 같은 변수(--login-card-*)를 써 페이지와 한 세트로 보이게 한다.
   hover/구분은 rgba(127,127,127,..) 중립값으로 라이트/다크 테마 모두 대응. */
.login-theme {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 20;
}
.login-theme-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--login-card-bg);
    border: 1px solid var(--login-card-border);
    color: var(--login-logo);
    cursor: pointer;
    box-shadow: var(--login-card-shadow);
    backdrop-filter: blur(8px);
    transition: transform 0.15s, border-color 0.15s, color 0.15s;
}
.login-theme-btn:hover { transform: translateY(-1px); }
.login-theme-btn[aria-expanded="true"] { border-color: var(--login-logo); }
.login-theme-btn svg { display: block; }

.login-theme-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 184px;
    background: var(--login-card-bg);
    border: 1px solid var(--login-card-border);
    border-radius: 12px;
    box-shadow: var(--login-card-shadow);
    backdrop-filter: blur(8px);
    padding: 8px;
    transform-origin: top right;
    animation: ltmIn 0.14s ease;
}
@keyframes ltmIn {
    from { opacity: 0; transform: translateY(-6px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.ltm-head {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--login-logo-sub);
    padding: 2px 8px 6px;
    text-transform: uppercase;
}
.ltm-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px;
    background: transparent;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    color: var(--login-input-color);
    text-align: left;
    transition: background 0.12s;
}
.ltm-item:hover { background: rgba(127,127,127,0.12); }
.ltm-item[aria-checked="true"] { background: rgba(127,127,127,0.10); font-weight: 600; }
.ltm-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(127,127,127,0.35);
}
.ltm-name { flex: 1; }
.ltm-check {
    font-size: 13px;
    line-height: 1;
    color: var(--login-logo);
    opacity: 0;
    transition: opacity 0.12s;
}
.ltm-item[aria-checked="true"] .ltm-check { opacity: 1; }

.ltm-dot[data-t="navy"]     { background: #4fc3f7; }
.ltm-dot[data-t="charcoal"] { background: #e4e4e7; }
.ltm-dot[data-t="amethyst"] { background: #c084fc; }
.ltm-dot[data-t="emerald"]  { background: #34d399; }
.ltm-dot[data-t="slate"]    { background: #3b82f6; }

/* ── 푸터 ── */
.login-footer {
    margin-top: 20px;
    font-size: 11px;
    color: var(--login-footer);
    text-align: center;
    letter-spacing: 0.3px;
    position: relative;
    z-index: 1;
}

/* ── 페이지 전환 ── */
.login-page {
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.login-page.page-exit {
    opacity: 0 !important;
    transform: scale(0.98);
    pointer-events: none;
}

/* ── 로그인→메인 전환 커튼 (main.css 와 동일 룩, 여기선 fade-in) ── */
.mes-transition {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0b1c2e;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}
.mes-transition.mt-in { opacity: 1; pointer-events: auto; }
/* ⚠️ main.css 의 .mt-brand 와 반드시 같은 룩을 유지할 것 — 한쪽만 고치면
   로그인→셸 전환 도중(약 0.4초) 브랜드가 바뀌는 게 보인다. */
.mt-brand {
    font-size: 30px; font-weight: 700; letter-spacing: 1px; color: #ffffff;
    text-align: center; padding: 0 24px;
    animation: mtBreath 2.4s ease-in-out infinite;
}
.mt-brand .mt-co {
    font-size: 0.58em; font-weight: 400; letter-spacing: 2px;
    opacity: 0.5; margin-left: 7px;
}
@keyframes mtBreath { 0%, 100% { opacity: 0.78; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
    .mt-brand { animation: none; }
    .mes-transition { transition-duration: 0.2s; }
}

/* ── 반응형 ── */
@media (max-width: 480px) {
    .login-card { padding: 36px 24px 28px; }
    .logo-img { height: 18px; }
    .mt-brand { font-size: 22px; }
}