/* Sleep Calculator — style.css v1.0 */
.sleepc-wrap { max-width:600px; margin:0 auto; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif; color:#1a1a1a; }
.sleepc-header { display:flex; align-items:center; gap:12px; margin-bottom:20px; }
.sleepc-icon { font-size:34px; line-height:1; }
.sleepc-title { font-size:22px !important; font-weight:600 !important; margin:0 0 3px !important; padding:0 !important; border:none !important; color:#1a1a1a !important; }
.sleepc-sub { font-size:13px; color:#666; margin:0; }

/* Tabs */
.sleepc-tabs { display:flex; gap:8px; margin-bottom:20px; }
@media(max-width:420px){ .sleepc-tabs { flex-direction:column; } }
.sleepc-tab { flex:1; padding:11px 8px; font-size:13px; font-weight:500; border:1px solid #d8d8d8; border-radius:10px; background:#fff; color:#555; cursor:pointer; transition:background .13s,color .13s,border-color .13s; display:flex; flex-direction:column; align-items:center; gap:3px; text-align:center; }
.sleepc-tab:hover:not(.act) { background:#f5f3ff; }
.sleepc-tab.act { background:#ede9fe; color:#5B21B6; border-color:#c4b5fd; }
.sleepc-tab span:first-child { font-size:20px; }
.sleepc-tab-sub { font-size:11px; font-weight:400; opacity:.7; }

/* Panels */
.sleepc-panel { display:none; }
.sleepc-panel.act { display:block; }
.sleepc-section-lbl { font-size:11px; font-weight:700; color:#999; text-transform:uppercase; letter-spacing:.6px; margin-bottom:10px; }

/* Time inputs */
.sleepc-time-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:4px; }
@media(max-width:420px){ .sleepc-time-row { grid-template-columns:1fr; } }
.sleepc-lbl { display:flex; align-items:center; gap:5px; font-size:13px; font-weight:500; color:#555; margin-bottom:6px; }
.sleepc-tip { display:inline-flex; align-items:center; justify-content:center; width:15px; height:15px; border-radius:50%; background:#ebebeb; font-size:10px; color:#777; cursor:help; font-style:normal; }
.sleepc-time-input { width:100%; box-sizing:border-box; padding:10px 12px; border:1.5px solid #d0d0d0; border-radius:9px; font-size:20px; font-weight:600; color:#1a1a1a; background:#fff; outline:none; transition:border-color .15s; cursor:pointer; font-family:monospace; }
.sleepc-time-input:focus { border-color:#7C3AED; box-shadow:0 0 0 3px rgba(124,58,237,.1); }
.sleepc-iw { position:relative; }
.sleepc-iw input { width:100%; box-sizing:border-box; padding:9px 40px 9px 12px; border:1.5px solid #d0d0d0; border-radius:9px; font-size:15px; font-weight:600; color:#1a1a1a; background:#fff; outline:none; transition:border-color .15s; -moz-appearance:textfield; }
.sleepc-iw input::-webkit-inner-spin-button,.sleepc-iw input::-webkit-outer-spin-button { -webkit-appearance:none; }
.sleepc-iw input:focus { border-color:#7C3AED; box-shadow:0 0 0 3px rgba(124,58,237,.1); }
.sleepc-suf { position:absolute; right:10px; top:50%; transform:translateY(-50%); font-size:12px; color:#999; pointer-events:none; }

/* Result cards */
.sleepc-result-wrap { margin-top:14px; animation:sleepc-in .22s ease; }
@keyframes sleepc-in { from{opacity:0;transform:translateY(5px)} to{opacity:1;transform:translateY(0)} }
.sleepc-result-intro { font-size:13px; color:#555; margin-bottom:12px; }

.sleepc-cycles-grid { display:flex; flex-direction:column; gap:8px; margin-bottom:14px; }
.sleepc-cycle-card { display:flex; align-items:center; gap:14px; border-radius:12px; padding:12px 16px; border:1px solid; cursor:default; transition:transform .1s; }
.sleepc-cycle-card:hover { transform:translateX(3px); }
.sleepc-cycle-card.recommended { border-width:2px; }
.sleepc-cycle-card.c6 { background:#3B0764; border-color:#7E22CE; color:#fff; }
.sleepc-cycle-card.c5 { background:#4C1D95; border-color:#7C3AED; color:#fff; }
.sleepc-cycle-card.c4 { background:#5B21B6; border-color:#8B5CF6; color:#fff; }
.sleepc-cycle-card.c3 { background:#ede9fe; border-color:#c4b5fd; color:#3B0764; }
.sleepc-cycle-card.c2 { background:#f5f3ff; border-color:#ddd6fe; color:#555; }
.sleepc-cycle-badge { width:42px; height:42px; border-radius:50%; background:rgba(255,255,255,.15); display:flex; flex-direction:column; align-items:center; justify-content:center; flex-shrink:0; }
.sleepc-cycle-card.c3 .sleepc-cycle-badge,.sleepc-cycle-card.c2 .sleepc-cycle-badge { background:rgba(124,58,237,.1); }
.sleepc-cycle-num { font-size:18px; font-weight:700; line-height:1; }
.sleepc-cycle-cycles { font-size:9px; opacity:.8; }
.sleepc-cycle-info { flex:1; }
.sleepc-cycle-time { font-size:22px; font-weight:700; font-family:monospace; margin-bottom:1px; }
.sleepc-cycle-dur { font-size:12px; opacity:.8; }
.sleepc-cycle-tag { font-size:10px; font-weight:700; padding:2px 8px; border-radius:8px; background:rgba(255,255,255,.2); margin-left:auto; white-space:nowrap; }
.sleepc-cycle-card.c3 .sleepc-cycle-tag,.sleepc-cycle-card.c2 .sleepc-cycle-tag { background:rgba(124,58,237,.15); color:#5B21B6; }

/* Sleep stage visual */
.sleepc-cycle-visual { display:flex; height:40px; border-radius:9px; overflow:hidden; margin-bottom:6px; gap:2px; }
.sleepc-stage { display:flex; flex-direction:column; justify-content:center; height:100%; position:relative; }
.sleepc-stage-bar { height:100%; border-radius:3px; }
.sleepc-n1   .sleepc-stage-bar { background:#A78BFA; width:100%; }
.sleepc-n2   .sleepc-stage-bar { background:#7C3AED; width:100%; }
.sleepc-n3   .sleepc-stage-bar { background:#4C1D95; width:100%; }
.sleepc-rem  .sleepc-stage-bar { background:#8B5CF6; width:100%; }
.sleepc-n1   { flex:0.11; }
.sleepc-n2   { flex:0.33; }
.sleepc-n3   { flex:0.33; }
.sleepc-rem  { flex:0.22; }
.sleepc-stage-lbl { display:none; }
.sleepc-cycle-legend { display:flex; gap:12px; font-size:11px; color:#888; flex-wrap:wrap; margin-bottom:14px; }
.sleepc-leg { display:flex; align-items:center; gap:3px; }
.sleepc-l-n1  { color:#7C3AED; }
.sleepc-l-n2  { color:#5B21B6; }
.sleepc-l-n3  { color:#3B0764; }
.sleepc-l-rem { color:#8B5CF6; }

/* Age grid */
.sleepc-age-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin-bottom:14px; }
@media(max-width:480px){ .sleepc-age-grid { grid-template-columns:repeat(2,1fr); } }
.sleepc-age-card { background:#fafafa; border:1px solid #e8e8e8; border-radius:9px; padding:10px; text-align:center; }
.sleepc-age-group { font-size:12px; font-weight:700; color:#555; margin-bottom:3px; }
.sleepc-age-range { font-size:18px; font-weight:700; color:#5B21B6; margin-bottom:2px; }
.sleepc-age-unit { font-size:11px; color:#888; }

/* Tips */
.sleepc-tips-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-bottom:14px; }
@media(max-width:480px){ .sleepc-tips-grid { grid-template-columns:repeat(2,1fr); } }
@media(max-width:320px){ .sleepc-tips-grid { grid-template-columns:1fr; } }
.sleepc-tip-card { background:#f5f3ff; border:1px solid #ede9fe; border-radius:10px; padding:12px 10px; text-align:center; }
.sleepc-tip-icon { font-size:22px; margin-bottom:5px; }
.sleepc-tip-title { font-size:12px; font-weight:700; color:#5B21B6; margin-bottom:4px; }
.sleepc-tip-desc { font-size:11px; color:#666; line-height:1.4; }

.sleepc-disclaimer { font-size:11px; color:#bbb; text-align:center; margin-top:10px; }