@import url('https://fonts.googleapis.com/css2?family=Mali:wght@300;400;500;600;700&display=swap');
* { box-sizing: border-box; }
:root { --bg:#fff8fc; --surface:#fff; --text:#403a4d; --muted:#756d82; --border:#eadff0; --primary:#745f9a; --primary-dark:#55436f; --primary-bg:#e9ddf8; --success:#32694d; --success-bg:#dff5e8; --danger:#8a4052; --danger-bg:#fde1e7; --warning:#72581e; --warning-bg:#fff0c9; --info-bg:#dff3f5; }
body { margin:0; font-family:'Mali',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; background:linear-gradient(145deg,#fff8fc,#f6f4ff); color:var(--text); line-height:1.55; }
.topbar { background:#e9ddf8; color:var(--text); border-bottom:1px solid #d8c8ed; }
.topbar-inner { width:min(1400px,calc(100% - 32px)); margin:0 auto; min-height:62px; display:flex; align-items:center; justify-content:space-between; gap:18px; }
.brand { color:var(--text); text-decoration:none; font-weight:750; white-space:nowrap; }
.admin-nav { display:flex; gap:18px; align-items:center; flex-wrap:wrap; }
.admin-nav a { color:#6f647b; text-decoration:none; font-size:.94rem; }
.admin-nav a.active,.admin-nav a:hover { color:var(--primary-dark); }
.container { width:min(1400px,calc(100% - 32px)); margin:32px auto 72px; }
.hero,.panel { background:var(--surface); border:1px solid var(--border); border-radius:18px; box-shadow:0 12px 32px rgba(16,24,40,.06); }
.hero { padding:30px; margin-bottom:22px; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.eyebrow { margin:0 0 7px; color:var(--primary); font-size:.8rem; font-weight:800; letter-spacing:.12em; }
h1,h2,h3,p { margin-top:0; }
h1 { margin-bottom:10px; font-size:clamp(1.8rem,4vw,2.65rem); }
h2 { margin-bottom:4px; }
h3 { font-size:1rem; }
.lead,.panel-heading p,.muted { color:var(--muted); }
.lead { margin-bottom:0; }
.panel { padding:24px; margin-bottom:22px; }
.panel-heading { margin-bottom:20px; }
.panel-heading-row { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; }
.upload-form { display:flex; align-items:end; gap:14px; flex-wrap:wrap; }
.file-field { min-width:min(100%,460px); display:grid; gap:7px; font-weight:700; }
.file-field input,.login-form input { width:100%; padding:12px; border:1px solid var(--border); border-radius:10px; background:#fff; font:inherit; }
.button { min-height:44px; padding:10px 16px; border:1px solid transparent; border-radius:10px; display:inline-flex; align-items:center; justify-content:center; font:inherit; font-weight:750; text-decoration:none; cursor:pointer; }
.button-primary { background:var(--primary-bg); color:var(--primary-dark); border-color:#d2c0e9; }
.button-primary:hover { background:#ddcff2; }
.button-secondary { background:#dff0ff; color:#315f7d; border-color:#c1dff4; }
.button-danger-outline { color:var(--danger); background:#fdebf0; border-color:#efc7d1; }
.button-import { background:#dff5e8; color:#32694d; border-color:#b8e7cc; padding-inline:20px; }
.alert { padding:14px 16px; border-radius:12px; margin-bottom:20px; border:1px solid transparent; }
.alert-error { color:var(--danger); background:var(--danger-bg); border-color:#f3b9b4; }
.alert-success { color:var(--success); background:var(--success-bg); border-color:#a9e7ce; }
.alert-warning { color:var(--warning); background:var(--warning-bg); border-color:#f0d28a; }
.columns-grid { display:grid; grid-template-columns:minmax(240px,.65fr) minmax(300px,1.35fr); gap:24px; }
.chips { display:flex; flex-wrap:wrap; gap:8px; }
.chip { background:#f2f4f7; color:#344054; border-radius:7px; padding:5px 8px; font-size:.82rem; }
.chip-required { color:#7a271a; background:#fef3f2; }
.format-note { margin-top:20px; padding:13px 15px; border-radius:10px; background:#f8fafc; border:1px solid var(--border); overflow-wrap:anywhere; }
.stats { display:grid; grid-template-columns:repeat(4,minmax(120px,1fr)); gap:12px; margin-bottom:20px; }
.stats-six { grid-template-columns:repeat(3,minmax(120px,1fr)); }
.stat { padding:16px; border:1px solid var(--border); border-radius:12px; background:#f8fafc; }
.stat span,.stat strong { display:block; }
.stat span { color:var(--muted); font-size:.88rem; }
.stat strong { margin-top:4px; font-size:1.65rem; }
.stat-valid strong { color:var(--success); }
.stat-invalid strong { color:var(--danger); }
.stat-warning strong { color:var(--warning); }
.table-wrap { overflow:auto; border:1px solid var(--border); border-radius:12px; }
.preview-table { width:max-content; min-width:100%; border-collapse:collapse; background:#fff; font-size:.88rem; }
.preview-table th,.preview-table td { max-width:300px; padding:10px 12px; border-bottom:1px solid var(--border); border-right:1px solid var(--border); text-align:left; vertical-align:top; overflow-wrap:anywhere; }
.preview-table th { position:sticky; top:0; z-index:1; background:#f8fafc; white-space:nowrap; }
.preview-table tr:last-child td { border-bottom:0; }
.row-invalid { background:#fffafa; }
.badge { display:inline-block; padding:3px 8px; border-radius:999px; font-weight:800; font-size:.76rem; }
.badge-valid,.badge-completed { color:var(--success); background:var(--success-bg); }
.badge-invalid,.badge-failed { color:var(--danger); background:var(--danger-bg); }
.badge-processing,.badge-uploaded { color:#175cd3; background:#eff8ff; }
.badge-completed_with_errors { color:var(--warning); background:var(--warning-bg); }
.messages-cell { min-width:260px; }
.message + .message { margin-top:5px; }
.message-error { color:var(--danger); }
.message-warning { color:var(--warning); }
.next-step-box,.confirm-import-box { margin-top:20px; padding:16px; border-radius:12px; color:var(--success); background:var(--success-bg); border:1px solid #a9e7ce; }
.next-step-box p,.confirm-import-box p { margin:5px 0 0; }
.next-step-box-error { color:var(--danger); background:var(--danger-bg); border-color:#f3b9b4; }
.confirm-import-box { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.report-panel { border-color:#a9e7ce; }
.skip-details { margin-top:18px; }
.skip-details summary { cursor:pointer; font-weight:750; margin-bottom:12px; }
.compact-table { width:100%; }
.history-table td { white-space:nowrap; }
.login-wrap { width:min(460px,calc(100% - 32px)); margin:10vh auto; }
.login-card { background:#fff; padding:30px; border:1px solid var(--border); border-radius:18px; box-shadow:0 16px 40px rgba(16,24,40,.08); }
.login-form { display:grid; gap:16px; }
.login-form label { display:grid; gap:7px; font-weight:700; }
.login-back { margin:20px 0 0; text-align:center; }
.login-back a { color:var(--primary); }
code { overflow-wrap:anywhere; }
@media (max-width:760px) { .hero,.panel-heading-row,.confirm-import-box { align-items:stretch; flex-direction:column; } .columns-grid,.stats,.stats-six { grid-template-columns:1fr; } .hero .button,.confirm-import-box .button { width:100%; } .topbar-inner { align-items:flex-start; flex-direction:column; padding:14px 0; } .admin-nav { gap:12px; } }


/* Step 4: Lesson management */
.lesson-layout { display:grid; grid-template-columns:minmax(280px,360px) minmax(0,1fr); gap:22px; align-items:start; }
.lesson-sidebar { position:sticky; top:20px; }
.compact-heading { margin-bottom:12px; }
.lesson-list { display:grid; gap:8px; margin-bottom:20px; }
.lesson-list-item { display:grid; gap:3px; padding:12px 13px; border:1px solid var(--border); border-radius:11px; color:var(--text); text-decoration:none; background:#fff; }
.lesson-list-item:hover { border-color:#b9c9f6; background:#f8faff; }
.lesson-list-item.active { border-color:#8eabf5; background:#eef3ff; box-shadow:inset 3px 0 0 var(--primary); }
.lesson-list-item span,.lesson-list-item small { color:var(--muted); }
.lesson-list-item span { font-size:.78rem; text-transform:uppercase; letter-spacing:.04em; }
.lesson-list-item strong { line-height:1.35; }
.create-lesson-details { border-top:1px solid var(--border); padding-top:16px; }
.create-lesson-details summary { cursor:pointer; font-weight:800; color:var(--primary-dark); margin-bottom:14px; }
.stack-form { display:grid; gap:14px; }
.stack-form label { display:grid; gap:6px; font-weight:700; font-size:.92rem; }
.stack-form input,.stack-form textarea,.stack-form select,.search-form input { width:100%; padding:11px 12px; border:1px solid var(--border); border-radius:10px; background:#fff; font:inherit; color:var(--text); }
.stack-form textarea { resize:vertical; }
.form-grid { display:grid; gap:12px; }
.form-grid.two-columns { grid-template-columns:repeat(2,minmax(0,1fr)); }
.lesson-main { min-width:0; }
.lesson-item-list { display:grid; gap:10px; }
.lesson-item-card { display:grid; grid-template-columns:42px minmax(0,1fr) auto; gap:12px; align-items:start; padding:14px; border:1px solid var(--border); border-radius:12px; background:#fff; }
.lesson-item-number { width:34px; height:34px; display:grid; place-items:center; border-radius:50%; background:#eef3ff; color:var(--primary-dark); font-weight:800; }
.lesson-item-content { min-width:0; }
.word-title-line { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.word-title-line strong { font-size:1.08rem; }
.word-title-line > span:not(.badge):not(.rank-label) { color:var(--muted); }
.meaning-text { margin:5px 0 0; }
.example-text { display:block; margin-top:5px; color:var(--muted); }
.lesson-item-actions { display:flex; gap:5px; }
.lesson-item-actions form { margin:0; }
.icon-button { width:34px; height:34px; border:1px solid var(--border); border-radius:8px; background:#f8fafc; color:#344054; font:inherit; font-weight:800; cursor:pointer; }
.icon-button:hover:not(:disabled) { background:#eef3ff; border-color:#b9c9f6; }
.icon-button:disabled { opacity:.35; cursor:not-allowed; }
.icon-button-danger { color:var(--danger); }
.badge-neutral { color:#344054; background:#f2f4f7; }
.badge-info { color:#175cd3; background:#eff8ff; }
.rank-label { color:#667085; font-size:.78rem; }
.search-form { display:flex; gap:10px; margin-bottom:16px; }
.search-form input { flex:1; }
.button-ghost { color:#475467; background:#fff; border-color:var(--border); }
.available-toolbar { display:flex; justify-content:space-between; align-items:center; gap:14px; margin-bottom:12px; }
.check-all-label { display:flex; align-items:center; gap:8px; font-weight:700; }
.check-all-label input { width:18px; height:18px; }
.available-list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
.available-card { display:grid; grid-template-columns:auto minmax(0,1fr); gap:11px; align-items:start; padding:13px; border:1px solid var(--border); border-radius:12px; cursor:pointer; background:#fff; }
.available-card:hover { border-color:#b9c9f6; background:#fafbff; }
.available-card > input { width:18px; height:18px; margin-top:3px; }
.available-card:has(input:checked) { border-color:#7f9ff0; background:#eef3ff; }
.available-card-body { min-width:0; display:grid; gap:4px; }
.available-card-body small { color:var(--muted); }
.search-empty { margin:18px 0 0; }
.week-report-grid { display:grid; grid-template-columns:repeat(5,minmax(110px,1fr)); gap:10px; }
.week-report-card { display:grid; gap:4px; padding:14px; border:1px solid #a9e7ce; border-radius:12px; background:var(--success-bg); color:var(--success); text-decoration:none; }
.week-report-card strong { font-size:1.4rem; }
.week-report-card small { color:#36765f; }
.empty-state { text-align:center; padding-block:64px; }
@media (max-width:1050px) { .lesson-layout { grid-template-columns:1fr; } .lesson-sidebar { position:static; } .available-list { grid-template-columns:1fr; } .week-report-grid { grid-template-columns:repeat(3,1fr); } }
@media (max-width:620px) { .form-grid.two-columns,.week-report-grid { grid-template-columns:1fr; } .lesson-item-card { grid-template-columns:34px minmax(0,1fr); } .lesson-item-actions { grid-column:2; } .search-form,.available-toolbar { align-items:stretch; flex-direction:column; } .search-form .button,.available-toolbar .button { width:100%; } }


.narrow-container { width:min(1050px,calc(100% - 32px)); }
.form-grid { display:grid; gap:16px; }
.form-grid-3 { grid-template-columns:repeat(3,minmax(0,1fr)); }
.field { display:grid; gap:7px; font-weight:600; }
.field input,.field select,.field textarea { width:100%; min-height:44px; border:1px solid var(--border); border-radius:10px; padding:10px 12px; background:#fff; color:var(--text); font:inherit; }
.field small,.toggle-row small { display:block; color:var(--muted); font-weight:400; }
.toggle-row { display:flex; gap:12px; align-items:flex-start; padding:14px 16px; margin:14px 0 20px; border:1px solid var(--border); border-radius:12px; background:#f8fafc; cursor:pointer; }
.toggle-row input { width:20px; height:20px; margin-top:3px; }
.toggle-row strong { display:block; }
.sticky-actions { position:sticky; bottom:14px; display:flex; justify-content:flex-end; padding:14px; margin-bottom:22px; border:1px solid var(--border); border-radius:14px; background:rgba(255,255,255,.94); box-shadow:0 8px 25px rgba(16,24,40,.09); backdrop-filter:blur(8px); }
.info-panel { border-left:5px solid var(--primary); }
.policy-list { margin-bottom:0; padding-left:24px; }
.policy-list li+li { margin-top:8px; }
@media(max-width:850px){ .form-grid-3{grid-template-columns:1fr 1fr;} }
@media(max-width:560px){ .form-grid-3{grid-template-columns:1fr;} .sticky-actions .button{width:100%;} }


/* Step 5 pastel UI and title icon */
.brand{display:inline-flex;align-items:center;gap:9px}.brand-icon{width:36px;height:36px;object-fit:contain;border-radius:10px;background:#fff;padding:3px;box-shadow:0 5px 14px rgba(94,77,125,.12)}
.hero,.panel,.login-card{box-shadow:0 14px 38px rgba(94,77,125,.09)}
.stat:nth-child(4n+1){background:#fff8e9}.stat:nth-child(4n+2){background:#f0eaff}.stat:nth-child(4n+3){background:#eaf7ff}.stat:nth-child(4n+4){background:#eaf8ef}
.row-invalid{background:#fff1f4}.preview-table th{background:#f8f2fc}.toggle-row{background:#fbf7ff}.sticky-actions{background:rgba(255,250,253,.94)}
.user-search{display:flex;gap:10px;flex-wrap:wrap}.user-search input{flex:1;min-width:240px;padding:11px 12px;border:1px solid var(--border);border-radius:11px;font:inherit}.user-grid{display:grid;gap:14px}.user-card{display:grid;grid-template-columns:minmax(200px,1fr) minmax(320px,1.5fr);gap:18px;padding:18px;border:1px solid var(--border);border-radius:16px;background:#fff}.user-meta small{display:block;color:var(--muted);margin-top:4px}.access-form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;align-items:end}.access-form label{display:grid;gap:5px;font-size:.86rem;font-weight:600}.access-form input,.access-form select{min-height:42px;border:1px solid var(--border);border-radius:10px;padding:8px 10px;background:#fff;font:inherit}.badge-free{background:#e8f7ee;color:#32694d}.badge-monthly{background:#e6f2ff;color:#315f7d}.badge-lifetime{background:#f1e8ff;color:#654f88}.badge-suspended{background:#fde1e7;color:#8a4052}.login-logo{width:78px;height:78px;display:block;object-fit:contain;margin:0 auto 12px}.login-card h1,.login-card>.lead{text-align:center}
@media(max-width:850px){.user-card{grid-template-columns:1fr}.access-form{grid-template-columns:1fr 1fr}}@media(max-width:560px){.access-form{grid-template-columns:1fr}}


/* Step 5A email test */
.mail-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.mail-summary>div{padding:14px;border:1px solid var(--border);border-radius:13px;background:#fbf7ff}.mail-summary span,.mail-summary strong{display:block}.mail-summary span{color:var(--muted);font-size:.85rem}.mail-summary strong{margin-top:4px;overflow-wrap:anywhere}
@media(max-width:620px){.mail-summary{grid-template-columns:1fr}}