:root{
  --bg:#f3f7fb;
  --card:#ffffff;
  --line:#d7e0eb;
  --text:#1f2a37;
  --muted:#5d6b7b;
  --brand:#1e73be;
  --brand-soft:#e9f3fc;
  --ok:#18804b;
  --warn:#d97706;
  --danger:#b42318;
  --danger-soft:#fff1f0;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{text-decoration:none;color:inherit}
.topbar{position:sticky;top:0;z-index:20;background:#0f4d82;color:#fff;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.14)}
.topbar-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-size:1.05rem;font-weight:800}
.nav-links{display:flex;gap:10px;flex-wrap:wrap}
.nav-links a,.nav-links button{padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;border:none;cursor:pointer;font-weight:600}
.nav-links a.active{background:#fff;color:#0f4d82}
.container{max-width:1180px;margin:0 auto;padding:24px 18px 56px}
.hero-card,.panel-card,.stat-card,.day-card,.tracking-block,.block-progress-card,.history-card{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 10px 24px rgba(18,39,61,.06)}
.hero-card{padding:24px;display:grid;grid-template-columns:1.8fr 1fr;gap:22px;align-items:center}
.eyebrow{margin:0 0 6px;font-size:.86rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--brand)}
h1,h2,h3,p{margin-top:0}
.hero-card h1{font-size:2rem;line-height:1.15;margin-bottom:10px}
.hero-actions,.sync-actions,.card-actions,.block-tools{display:flex;gap:12px;flex-wrap:wrap}
.hero-actions{justify-content:flex-end}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;font-weight:700;border:none;cursor:pointer}
.btn.primary{background:var(--brand);color:#fff}
.btn.soft{background:var(--brand-soft);color:var(--brand)}
.btn.ghost{background:#fff;color:var(--danger);border:1px solid #f0c7c4}
.small-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:999px;font-weight:700;border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer}
.small-btn.danger{border-color:#f0c7c4;background:var(--danger-soft);color:var(--danger)}
.stats-grid{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.top-gap{margin-top:0;margin-bottom:18px}
.stat-card{padding:18px}
.stat-label{font-size:.92rem;color:var(--muted);margin-bottom:8px}
.stat-value{font-size:1.8rem;font-weight:800;margin-bottom:12px}
.progress{height:10px;border-radius:999px;background:#e9eef5;overflow:hidden}
.progress span{display:block;height:100%;background:var(--brand);border-radius:999px}
.progress.alt span{background:var(--ok)}
.panel-grid{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel-card{padding:20px}
.clean-list{margin:0;padding-left:18px}
.block-list{display:grid;gap:12px}
.block-list.compact{max-height:560px;overflow:auto;padding-right:4px}
.block-progress-card{padding:16px}
.block-progress-card h3{font-size:1rem;margin-bottom:8px}
.block-progress-card p{margin:8px 0 6px;color:var(--muted);font-size:.94rem}
.block-actions-inline{margin-top:10px}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.page-head p{max-width:760px;color:var(--muted)}
.day-card{padding:18px;margin-bottom:16px}
.day-card.done{border-color:#abd8bf;background:#f7fcf9}
.day-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;flex-wrap:wrap}
.day-date{margin-bottom:4px;color:var(--brand);font-weight:700}
.toggle-line{display:flex;gap:10px;align-items:center;font-weight:700}
.task-list{margin:14px 0 0;padding-left:18px}
.task-list li{margin-bottom:10px}
.review-item{list-style:none;padding-left:0}
.mini-status,.mini-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:#eef2f7;color:var(--muted);font-size:.82rem;font-weight:700}
.tag.ok{background:#e7f7ee;color:var(--ok)}
.tracking-block{padding:18px;margin-bottom:18px}
.tracking-block-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
.tracking-block-head p{color:var(--muted)}
.tracking-theme-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.tracking-theme-card{border:1px solid var(--line);border-radius:16px;padding:16px;background:#fbfdff}
.tracking-theme-title h3{font-size:1rem;margin-bottom:4px}
.tracking-theme-title p{font-size:.88rem;color:var(--muted);margin-bottom:12px}
.tracking-checks{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}
.tracking-checks label{display:flex;gap:10px;align-items:center;font-weight:700}
textarea{width:100%;min-height:88px;border:1px solid var(--line);border-radius:12px;padding:12px;font:inherit;resize:vertical;background:#fff}
.footer-note,.muted-line{margin-top:18px;color:var(--muted);font-size:.9rem}
.sync-card{margin-top:22px;display:grid;grid-template-columns:1.6fr 1fr;gap:18px;align-items:center}
.history-card{margin-top:22px;padding:20px}
.empty-state{color:var(--muted)}
.history-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.history-list li{display:grid;grid-template-columns:220px 1fr;gap:14px;padding:12px 0;border-top:1px solid var(--line)}
.history-list li:first-child{border-top:none;padding-top:0}
.history-list strong{color:var(--brand);font-size:.92rem}
.task-list a,.tracking-theme-title a,.theme-link{color:#0f4c81;text-decoration:none}
.task-list a:hover,.tracking-theme-title a:hover,.theme-link:hover{text-decoration:underline}
.theme-link{font-weight:700}
.nav-links a:first-child{background:#dbeafe;color:#0f4d82}
@media (max-width: 900px){
  .hero-card,.panel-grid,.stats-grid,.tracking-theme-list,.sync-card{grid-template-columns:1fr}
  .hero-actions{justify-content:flex-start}
  .history-list li{grid-template-columns:1fr}
}
@media (max-width: 640px){
  .container{padding:18px 14px 42px}
  .topbar-inner{flex-direction:column;align-items:flex-start}
  .nav-links{width:100%}
  .nav-links a,.nav-links button{flex:1;text-align:center}
  .hero-card h1{font-size:1.6rem}
  .day-head,.page-head{flex-direction:column}
  .sync-actions,.card-actions,.block-tools{width:100%}
  .sync-actions .btn,.card-actions .small-btn,.block-tools .small-btn{width:100%}
}

/* Backend users */
.session-chip{display:inline-flex;align-items:center;padding:.45rem .75rem;border-radius:999px;background:#eef4ff;color:#163e75;font-weight:700;font-size:.9rem}
.logout-btn{border:1px solid #d0d7e6;background:#fff;color:#163e75;padding:.55rem .9rem;border-radius:999px;cursor:pointer;font-weight:600}
.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(180deg,#f5f8ff 0,#eef3ff 100%)}
.login-wrap{width:min(100%,560px);padding:1rem}
.login-card{background:#fff;border-radius:20px;box-shadow:0 16px 40px rgba(25,55,109,.12);padding:1.5rem}
.login-form{display:grid;gap:1rem;margin:1rem 0}
.login-form label{display:grid;gap:.45rem;font-weight:600;color:#24324a}
.login-form input,.login-form select{padding:.8rem .9rem;border:1px solid #cdd6e6;border-radius:12px;font:inherit}
.wide{width:100%}
.login-help,.login-back{color:#5c6b82}
.login-error{margin-top:.75rem;padding:.8rem 1rem;border-radius:12px;background:#fff1f0;color:#9f2f24;border:1px solid #f1c8c4}
.sync-note{font-size:.95rem;color:#5c6b82}
@media (max-width: 760px){
  .nav-links{gap:.5rem;flex-wrap:wrap}
  .session-chip{order:9}
  .logout-btn{order:10}
}

.tracking-help{margin:.5rem 0 .75rem;color:#475569;font-size:.95rem;}


.login-card-wide{max-width:880px}
.lead-copy{font-size:1.05rem;color:#334155;margin-bottom:1rem}
.intro-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1rem 0 1.4rem}
.intro-box{background:#f8fbff;border:1px solid #dbeafe;border-radius:16px;padding:1rem 1.1rem;text-align:left}
.intro-box h2{margin:0 0 .5rem;font-size:1.1rem}
.simple-list{margin:.2rem 0 0;padding-left:1.15rem;line-height:1.6}
.simple-list li{margin:.35rem 0}
.welcome-hero{align-items:center}
.two-columns{grid-template-columns:repeat(2,minmax(0,1fr))}
.single-column{grid-template-columns:1fr}
.ordered-list{padding-left:1.15rem}
.highlight-card{background:linear-gradient(180deg,#f8fbff 0%,#eef6ff 100%);border:1px solid #dbeafe}
.compact-actions{margin-top:1rem}
@media (max-width: 860px){.intro-grid,.two-columns{grid-template-columns:1fr}}


/* Guided experience */
.guide-strip{display:grid;gap:14px;background:linear-gradient(180deg,#f8fbff,#eef5ff);border:1px solid #d7e6fb;border-radius:20px;padding:18px 20px;margin:0 0 18px;box-shadow:var(--shadow)}
.guide-strip h2{margin:0;color:#123f6b}
.guide-strip p{margin:0;color:#41536b}
.guide-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.guide-step{background:#fff;border:1px solid #d7e3f4;border-radius:16px;padding:14px}
.guide-step strong{display:block;margin-bottom:6px;color:#123f6b}
.guide-actions{display:flex;gap:10px;flex-wrap:wrap}
.guide-note{font-size:.95rem;color:#52637a}
.page-nav-card{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;margin:18px 0 8px;box-shadow:var(--shadow)}
.page-nav-card .nav-group{display:flex;gap:10px;flex-wrap:wrap}
.friendly-chip{display:inline-flex;align-items:center;padding:8px 10px;border-radius:999px;background:#edf6ee;color:#175f3d;border:1px solid #cce7d4;font-size:.86rem;font-weight:700}
.block-sequence{display:grid;gap:10px;margin-top:12px}
.block-sequence-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid #d7e3f4;border-radius:14px;padding:14px}
.block-sequence-num{flex:0 0 auto;width:30px;height:30px;border-radius:999px;background:#123f6b;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800}
.plan-shortcuts{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:18px}
.plan-shortcut{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}
.plan-shortcut h3{margin-bottom:8px}
.login-card .intro-box,.welcome-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.welcome-stack{display:grid;gap:18px}
.welcome-steps{display:grid;gap:10px}
.welcome-step{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:16px;background:#f8fbff;border:1px solid #d9e7fa}
.welcome-step-num{width:30px;height:30px;border-radius:999px;background:#123f6b;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex:0 0 auto}
.quick-jump{font-size:.95rem;color:#52637a}
.quick-jump strong{color:#123f6b}
@media (max-width: 640px){
  .guide-steps,.plan-shortcuts{grid-template-columns:1fr}
  .page-nav-card{padding:14px}
}