/* ══════════════════════════════════════════
   PDF 번역 시스템 — Refined Minimal UI v2
   ══════════════════════════════════════════ */

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

:root {
    --bg: #f2f4f7;
    --card: #ffffff;
    --card-hover: #fafbfc;
    --text: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-bg: #eff6ff;
    --primary-subtle: rgba(37,99,235,0.08);
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --success: #22c55e;
    --success-bg: #f0fdf4;
    --warn: #f59e0b;
    --warn-bg: #fffbeb;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
    --transition-slow: 0.3s cubic-bezier(0.4,0,0.2,1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 880px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* ── 상단 바 ─────────────────────────────── */
nav.topbar {
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255,255,255,0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 0.5px solid rgba(0,0,0,0.08);
}

nav.topbar .brand {
    font-size: 17px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.4px;
}

nav.topbar .nav-links {
    display: flex;
    gap: 14px;
    align-items: center;
}

nav.topbar a {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: opacity var(--transition);
}

nav.topbar a:hover { opacity: 0.65; }

nav.topbar .user-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 4px 10px;
    background: var(--border-light);
    border-radius: 20px;
}

/* ── 카드 ────────────────────────────────── */
.card {
    background: var(--card);
    border-radius: var(--radius);
    border: 0.5px solid var(--border);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-xs);
    transition: box-shadow var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-sm);
}

.card h2 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--text);
    letter-spacing: -0.2px;
}

.card-accent {
    border-left: 3px solid var(--primary);
}

/* ── 폼 ──────────────────────────────────── */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    outline: none;
    transition: all var(--transition);
    background: var(--card);
    color: var(--text);
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-subtle);
}

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

/* ── 버튼 ────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all var(--transition);
    letter-spacing: -0.1px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: background var(--transition);
}

.btn:hover::after { background: rgba(255,255,255,0.1); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 1px 3px rgba(37,99,235,0.3); }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 2px 8px rgba(37,99,235,0.35); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-ghost { background: var(--border-light); color: var(--text); }
.btn-ghost:hover { background: var(--border); }
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: var(--radius-xs); }

/* ── 테이블 (데스크톱) ───────────────────── */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
}

th, td {
    text-align: left;
    padding: 12px 14px;
}

th {
    font-weight: 700;
    color: var(--text-tertiary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    border-bottom: 1.5px solid var(--border);
}

td {
    border-bottom: 0.5px solid var(--border-light);
}

tr {
    transition: background var(--transition);
}

tr:hover td { background: var(--primary-bg); }

.nowrap-table td, .nowrap-table th { white-space: nowrap; }
.nowrap { white-space: nowrap; }

.filename-cell {
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: default;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-tertiary);
    font-size: 14px;
    padding: 2px 4px;
    border-radius: 4px;
    transition: all var(--transition);
    vertical-align: middle;
}

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

/* 인라인 폼 요소 (테이블 내) */
.inline-select {
    font-size: 12px;
    padding: 4px 8px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--card);
    color: var(--text);
    cursor: pointer;
}

.inline-input {
    width: 55px;
    font-size: 12px;
    padding: 4px 8px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--card);
    color: var(--text);
    text-align: center;
}

.inline-select:focus, .inline-input:focus {
    border-color: var(--primary);
    outline: none;
}

/* ── 모바일 카드 리스트 ──────────────────── */
.card-list { display: none; }

@media (max-width: 720px) {
    .table-wrap { display: none; }
    .card-list { display: block; }

    .job-card {
        background: var(--card);
        border: 0.5px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 16px;
        margin-bottom: 10px;
        box-shadow: var(--shadow-xs);
    }

    .job-card-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 8px;
    }

    .job-card-title {
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        word-break: break-all;
        flex: 1;
        margin-right: 8px;
    }

    .job-card-meta {
        display: flex;
        gap: 12px;
        font-size: 12px;
        color: var(--text-secondary);
        margin-bottom: 10px;
    }

    .job-card-actions {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }
}

/* ── 뱃지 ────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2px;
    white-space: nowrap;
}

.badge-ok { background: var(--success-bg); color: var(--success); }
.badge-err { background: var(--danger-bg); color: var(--danger); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-info { background: var(--info-bg); color: var(--info); }

/* ── 프로그레스 바 ───────────────────────── */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin: 12px 0;
}

.progress-bar .fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #818cf8);
    transition: width 0.4s ease;
    border-radius: 3px;
    color: transparent;
    font-size: 0;
    min-width: 0;
}

.progress-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 4px;
}

/* ── 인증 페이지 ─────────────────────────── */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 85vh;
    animation: fadeIn 0.4s ease;
}

.auth-card {
    width: 100%;
    max-width: 380px;
}

.auth-card h1 {
    text-align: center;
    color: var(--text);
    margin-bottom: 6px;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.7px;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 32px;
}

.auth-card .subtext {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 20px;
}

.auth-card .subtext a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.auth-card .subtext a:hover {
    text-decoration: underline;
}

/* ── 메시지 ──────────────────────────────── */
.error-msg {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
    display: none;
    border-left: 3px solid var(--danger);
    animation: slideDown 0.2s ease;
}

.success-msg {
    background: var(--success-bg);
    color: var(--success);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
    display: none;
    border-left: 3px solid var(--success);
    animation: slideDown 0.2s ease;
}

/* ── 업로드 영역 ─────────────────────────── */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-secondary);
    background: var(--bg);
    position: relative;
}

.upload-area .upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    color: var(--text-tertiary);
    transition: color var(--transition);
}

.upload-area p:first-of-type {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
}

.upload-area .upload-hint {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.upload-area:hover .upload-icon,
.upload-area.dragover .upload-icon {
    color: var(--primary);
}

.upload-area input[type="file"] {
    display: none;
}

/* ── 탭 ──────────────────────────────────── */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.tab {
    flex: 1;
    padding: 10px 16px;
    cursor: pointer;
    border: none;
    background: none;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all var(--transition);
    text-align: center;
}

.tab.active {
    color: var(--text);
    background: var(--card);
    box-shadow: var(--shadow-sm);
}

.tab:hover:not(.active) { color: var(--text); background: rgba(0,0,0,0.02); }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.25s ease; }

/* ── 하단 네비게이션 ────────────────────── */
.bottombar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 0;
    z-index: 90;
    padding: 0;
    padding-bottom: env(safe-area-inset-bottom, 0);
    background: rgba(255,255,255,0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-top: 0.5px solid rgba(0,0,0,0.08);
}

.bottom-tab {
    flex: 1;
    max-width: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 10px 0 8px;
    text-decoration: none;
    color: var(--text-tertiary);
    font-size: 11px;
    font-weight: 600;
    transition: color var(--transition);
}

.bottom-tab.active { color: var(--primary); }
.bottom-tab:hover { color: var(--primary); }

.bottom-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24px;
}

.bottom-icon svg { width: 22px; height: 22px; }

/* ── 다크모드 토글 ─────────────────────── */
.theme-toggle {
    background: none;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    padding: 5px 9px;
    font-size: 16px;
    line-height: 1;
    color: var(--text-secondary);
    transition: all var(--transition);
    display: flex;
    align-items: center;
}

.theme-toggle:hover {
    background: var(--border-light);
    color: var(--text);
    border-color: var(--text-tertiary);
}

.icon-sun, .icon-moon { display: inline-flex; align-items: center; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: inline-flex; }

/* ── 모달 ──────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 100;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-overlay .card {
    animation: modalIn 0.25s ease;
    box-shadow: var(--shadow-lg);
}

/* ── 애니메이션 ──────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.loading { animation: pulse 1.5s ease infinite; }

/* ── 스크롤바 ────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ══════════════════════════════════════════
   다크모드
   ══════════════════════════════════════════ */

[data-theme="dark"] {
    --bg: #0f172a;
    --card: #1e293b;
    --card-hover: #263548;
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --border: #334155;
    --border-light: #1e293b;
    --primary: #60a5fa;
    --primary-hover: #3b82f6;
    --primary-bg: rgba(96,165,250,0.08);
    --primary-subtle: rgba(96,165,250,0.12);
    --danger: #f87171;
    --danger-bg: rgba(248,113,113,0.1);
    --success: #4ade80;
    --success-bg: rgba(74,222,128,0.08);
    --warn: #fbbf24;
    --warn-bg: rgba(251,191,36,0.08);
    --info: #38bdf8;
    --info-bg: rgba(56,189,248,0.08);
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}

[data-theme="dark"] nav.topbar {
    background: rgba(15,23,42,0.8);
    border-bottom-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] nav.topbar .brand { color: var(--text); }
[data-theme="dark"] nav.topbar .user-label { background: var(--border); }

[data-theme="dark"] .bottombar {
    background: rgba(15,23,42,0.85);
    border-top-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] .theme-toggle {
    border-color: var(--border);
    color: var(--text-secondary);
}

[data-theme="dark"] .theme-toggle:hover {
    background: var(--border);
    color: var(--text);
}

[data-theme="dark"] .upload-area { border-color: var(--border); background: var(--bg); }
[data-theme="dark"] .upload-area:hover,
[data-theme="dark"] .upload-area.dragover { border-color: var(--primary); background: var(--primary-bg); }

[data-theme="dark"] tr:hover td { background: var(--primary-bg); }

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
}

[data-theme="dark"] .form-group input::placeholder { color: var(--text-tertiary); }

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-subtle);
}

/* 모든 select/input (인라인 포함) */
[data-theme="dark"] select,
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="text"] {
    background: var(--bg) !important;
    color: var(--text) !important;
    border: 1.5px solid var(--border) !important;
    border-radius: var(--radius-xs);
}

[data-theme="dark"] select option {
    background: var(--card);
    color: var(--text);
}

[data-theme="dark"] label { color: var(--text-secondary); }
[data-theme="dark"] .auth-card h1 { color: var(--text); }
[data-theme="dark"] .auth-card .subtext a { color: var(--primary); }
[data-theme="dark"] strong { color: var(--text); }
[data-theme="dark"] .error-msg { background: var(--danger-bg); color: var(--danger); border-left-color: var(--danger); }
[data-theme="dark"] .success-msg { background: var(--success-bg); color: var(--success); border-left-color: var(--success); }
[data-theme="dark"] .progress-bar { background: var(--border); }
[data-theme="dark"] .modal-overlay { background: rgba(0,0,0,0.5); }
[data-theme="dark"] .tabs { background: var(--bg); }
[data-theme="dark"] .tab.active { background: var(--card); color: var(--text); }
[data-theme="dark"] .tab:hover:not(.active) { background: rgba(255,255,255,0.03); }
[data-theme="dark"] .job-card { background: var(--card); border-color: var(--border); }

[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #475569; }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: #64748b; }

/* ── 유틸 ────────────────────────────────── */
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.text-muted { color: var(--text-secondary); font-size: 13px; }
.text-xs { font-size: 12px; }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ── 모바일 반응형 ───────────────────────── */
@media (max-width: 640px) {
    .container { padding: 16px 14px; }
    .card { padding: 18px 16px; border-radius: var(--radius-sm); }
    nav.topbar { padding: 12px 14px; }
    nav.topbar .brand { font-size: 15px; }
    nav.topbar .user-label { display: none; }
    .upload-area { padding: 36px 16px; }
    .tabs { flex-wrap: nowrap; overflow-x: auto; }
    .tab { padding: 8px 12px; font-size: 13px; min-width: fit-content; }
    .auth-card h1 { font-size: 24px; }
    .auth-subtitle { font-size: 14px; margin-bottom: 24px; }
    .bottom-tab { font-size: 10px; padding: 8px 0 6px; }
}