:root{
  --bg:#080b14; --bg2:#0d1220; --panel:rgba(255,255,255,0.035); --panel-solid:#11172a;
  --border:rgba(255,255,255,0.08); --border-soft:rgba(255,255,255,0.05);
  --text:#e9ecf7; --text-dim:#8891ab; --text-faint:#5a6480;
  --accent:#5b7fff; --accent2:#8a6bff; --crimson:#ff4d6d; --green:#38d996;
  --grad: linear-gradient(135deg,#5b7fff 0%,#8a6bff 100%);
}
*{box-sizing:border-box}
body{
  margin:0; padding:24px; min-height:100vh;
  background:
    radial-gradient(circle at 15% -10%, rgba(91,127,255,0.14), transparent 45%),
    radial-gradient(circle at 100% 10%, rgba(138,107,255,0.10), transparent 40%),
    var(--bg);
  color:var(--text); font-family:'Inter',sans-serif;
}
h1,h2,h3{font-family:'Space Grotesk',sans-serif; margin:0 0 6px; letter-spacing:-0.01em}
.mono{font-family:'JetBrains Mono',monospace}
.container{max-width:1300px; margin:0 auto}

.top{display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:22px; flex-wrap:wrap; gap:10px}
.top h1{font-size:1.7rem}
.top .sub{color:var(--text-dim); font-size:.85rem; margin-top:2px}
.top-actions{display:flex; align-items:center; gap:14px}
.save-status{font-size:.72rem; color:var(--text-faint); display:flex; align-items:center; gap:6px}
.save-dot{width:6px;height:6px;border-radius:50%;background:var(--green);opacity:0;transition:opacity .3s}
.save-dot.show{opacity:1}

.tabs{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:20px; padding-bottom:14px; border-bottom:1px solid var(--border-soft)}
.tab-btn{
  background:var(--panel); border:1px solid var(--border-soft); color:var(--text-dim);
  padding:8px 14px; border-radius:8px; cursor:pointer; font-size:.82rem; font-weight:600;
  font-family:'Inter',sans-serif; transition:all .15s; text-decoration:none; display:inline-block;
}
.tab-btn:hover{color:var(--text); border-color:var(--border)}
.tab-btn.active{background:var(--grad); color:#fff; border-color:transparent; box-shadow:0 4px 14px rgba(91,127,255,0.35)}

.card{
  background:var(--panel); border:1px solid var(--border-soft); border-radius:16px;
  padding:20px 22px; margin-bottom:20px; backdrop-filter:blur(10px);
}

.instructions-box{border-left:3px solid var(--accent); background:rgba(91,127,255,0.06); border-radius:0 12px 12px 0}
.instructions-box ol{margin:12px 0; padding-left:20px}
.instructions-box li{margin-bottom:10px; line-height:1.55; color:var(--text-dim); font-size:.92rem}
.instructions-box li strong{color:var(--text)}
.instructions-box p{color:var(--text-dim); font-size:.9rem}

.table-wrap{overflow-x:auto; border-radius:12px; border:1px solid var(--border-soft)}
table{width:100%; border-collapse:collapse; font-size:.82rem; min-width:600px}
th,td{padding:9px 10px; text-align:center; white-space:nowrap; border-bottom:1px solid var(--border-soft)}
th{background:rgba(255,255,255,0.03); color:var(--text-dim); font-weight:600; font-size:.72rem; text-transform:uppercase; letter-spacing:.03em; position:sticky; top:0}
td:first-child, th:first-child{text-align:left; position:sticky; left:0; background:var(--panel-solid); z-index:1; min-width:190px}
th:first-child{z-index:3}
tr.overall-row td{background:rgba(91,127,255,0.08); font-weight:700}
tr.overall-row td:first-child{background:rgba(91,127,255,0.14)}

input[type="checkbox"]{width:16px; height:16px; cursor:pointer; accent-color:var(--accent)}
.habit-name-input, .num-input{
  background:transparent; border:none; color:var(--text); font-family:'Inter',sans-serif;
  font-size:.86rem; width:100%; padding:4px 2px; border-bottom:1px solid transparent;
}
.habit-name-input:hover, .habit-name-input:focus, .num-input:focus{border-bottom:1px solid var(--accent); outline:none}
.num-input{text-align:center; width:52px}

.progress-cell{min-width:100px}
.progress-text{font-family:'JetBrains Mono',monospace; font-size:.78rem; color:var(--accent2); display:block; margin-bottom:4px}
.mini-bar{height:5px; background:rgba(255,255,255,0.06); border-radius:3px; overflow:hidden}
.mini-bar-fill{height:100%; background:var(--grad); border-radius:3px; transition:width .5s ease}

.remove-habit-btn{
  background:rgba(255,77,109,0.1); color:var(--crimson); border:1px solid rgba(255,77,109,0.25);
  border-radius:6px; width:26px; height:26px; cursor:pointer; font-size:.9rem; line-height:1;
}
.remove-habit-btn:hover{background:rgba(255,77,109,0.2)}

.month-actions{display:flex; gap:10px; margin:14px 0 24px}
.btn{
  border:none; border-radius:8px; padding:9px 16px; font-family:'Inter',sans-serif; font-weight:600;
  font-size:.82rem; cursor:pointer; transition:transform .12s, box-shadow .12s; text-decoration:none; display:inline-block;
}
.btn-primary{background:var(--grad); color:#fff}
.btn-primary:hover{transform:translateY(-1px); box-shadow:0 6px 16px rgba(91,127,255,0.3)}
.btn-ghost{background:var(--panel); color:var(--text-dim); border:1px solid var(--border-soft)}
.btn-ghost:hover{color:var(--text)}
.btn-danger{background:rgba(255,77,109,0.1); color:var(--crimson); border:1px solid rgba(255,77,109,0.25)}

.section-title{margin-top:8px; margin-bottom:14px; font-size:1.05rem; color:var(--text)}
.section-sub{color:var(--text-faint); font-size:.8rem; margin:-4px 0 16px}
.year-tag{color:var(--text-faint); font-size:.9rem; font-weight:400}

.mood-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:10px; margin-bottom:18px}
.mood-week{background:rgba(255,255,255,0.03); border:1px solid var(--border-soft); border-radius:10px; padding:10px 12px}
.mood-week .wk-label{font-size:.7rem; color:var(--text-faint); text-transform:uppercase; letter-spacing:.03em; margin-bottom:6px}
.mood-week .row{display:flex; align-items:center; justify-content:space-between; margin-bottom:4px}
.mood-week label{font-size:.75rem; color:var(--text-dim)}
.chart-box{background:rgba(255,255,255,0.02); border:1px solid var(--border-soft); border-radius:12px; padding:14px}

.dash-grid{display:grid; grid-template-columns:1.1fr 1fr; gap:20px}
@media(max-width:900px){.dash-grid{grid-template-columns:1fr}}
.bar-row{display:flex; align-items:center; gap:12px; margin-bottom:10px}
.bar-row .m-label{width:44px; font-size:.78rem; color:var(--text-dim); font-family:'JetBrains Mono',monospace}
.bar-track{flex:1; height:16px; background:rgba(255,255,255,0.05); border-radius:8px; overflow:hidden}
.bar-fill{height:100%; background:var(--grad); border-radius:8px; width:0%; transition:width 1s cubic-bezier(.16,1,.3,1)}
.bar-pct{width:52px; text-align:right; font-family:'JetBrains Mono',monospace; font-size:.78rem; color:var(--accent2)}
.year-stat{display:flex; gap:18px; margin-bottom:20px; flex-wrap:wrap}
.stat-chip{background:rgba(255,255,255,0.03); border:1px solid var(--border-soft); border-radius:12px; padding:12px 18px; flex:1; min-width:120px}
.stat-chip .val{font-family:'JetBrains Mono',monospace; font-size:1.5rem; font-weight:600; color:var(--accent2)}
.stat-chip .lbl{font-size:.72rem; color:var(--text-faint); text-transform:uppercase; letter-spacing:.03em}

.year-nav{display:flex; align-items:center; gap:16px; margin-bottom:18px}
.year-label{font-size:1.1rem; color:var(--text)}

/* Auth pages */
.auth-page{display:flex; align-items:center; justify-content:center; min-height:100vh}
.auth-box{width:100%; max-width:380px}
.auth-box label{display:block; font-size:.78rem; color:var(--text-dim); margin:14px 0 6px}
.auth-box input[type="text"], .auth-box input[type="password"]{
  width:100%; background:rgba(255,255,255,0.04); border:1px solid var(--border-soft); border-radius:8px;
  padding:10px 12px; color:var(--text); font-family:'Inter',sans-serif; font-size:.9rem;
}
.auth-box input:focus{outline:none; border-color:var(--accent)}
.auth-box button{width:100%; margin-top:20px}
.error-msg{color:var(--crimson); font-size:.85rem; background:rgba(255,77,109,0.08); border:1px solid rgba(255,77,109,0.2); padding:10px 12px; border-radius:8px}
.ok-msg{color:var(--green); font-size:.9rem}