:root{
  --bg:#f4f6fa; --card:#ffffff; --ink:#1a2436; --mut:#66748c; --line:#e3e8f0;
  --brand:#305496; --brand-ink:#ffffff; --accent:#2f6fed;
  --ok-bg:#e7f6ec; --ok-ink:#1c7a3d; --warn-bg:#fdf3d7; --warn-ink:#8a6d00;
  --err-bg:#fdeaea; --err-ink:#b3261e; --radius:10px;
  font-size:15px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;line-height:1.45}
.wrap{width:100%;max-width:none;margin:0;padding:0}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* top bar */
.topbar{background:var(--brand);color:var(--brand-ink);box-shadow:0 1px 4px rgba(16,34,70,.25)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{color:#fff;font-weight:700;font-size:1.12rem;letter-spacing:.2px;display:flex;gap:8px;align-items:center}
.brand:hover{text-decoration:none}
.topbar nav{display:flex;gap:4px}
.topbar nav a{color:#dbe5f7;padding:8px 14px;border-radius:8px;font-weight:600}
.topbar nav a:hover{background:rgba(255,255,255,.12);text-decoration:none}
.topbar nav a.on{background:rgba(255,255,255,.2);color:#fff}

main{padding:12px 0 20px}
h1{font-size:1.4rem;margin:.15rem 0 .6rem}
h2{font-size:1.05rem;margin:0 0 10px}
.sub{color:var(--mut);margin-top:-4px;margin-bottom:12px}

.grid{display:grid;gap:12px}
.grid.cols-2{grid-template-columns:1fr 1fr}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 14px;box-shadow:0 1px 2px rgba(20,35,70,.05)}
.card h2{display:flex;align-items:center;gap:8px}

/* tables */
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{border:1px solid var(--line);padding:6px 9px;text-align:center;vertical-align:middle}
th{background:#eef2f8;color:#33415e;font-weight:700;white-space:nowrap}
tr:nth-child(even) td{background:#fafbfe}
td.left,th.left{text-align:left}
.tbl-scroll{overflow-x:auto}
.log-scroll{max-height:65vh;overflow-y:auto}
.log-scroll table th{position:sticky;top:0;z-index:1}

/* chips */
.chip{display:inline-block;padding:2px 10px;border-radius:999px;font-weight:600;font-size:.87rem;white-space:nowrap}
.chip-empty{color:var(--mut)}
.chip-sm{font-size:.8rem;padding:1px 8px}

/* badges & pills */
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.82rem;font-weight:700}
.pill.ok{background:var(--ok-bg);color:var(--ok-ink)}
.pill.warn{background:var(--warn-bg);color:var(--warn-ink)}
.pill.err{background:var(--err-bg);color:var(--err-ink)}
.pill.mut{background:#edf0f6;color:var(--mut)}

/* forms & buttons */
button,.btn{background:var(--accent);border:none;color:#fff;font-weight:600;
  padding:8px 16px;border-radius:8px;cursor:pointer;font-size:.92rem}
button:hover,.btn:hover{filter:brightness(1.07);text-decoration:none}
button.ghost,.btn.ghost{background:#fff;color:var(--accent);border:1px solid var(--accent)}
button.danger{background:var(--err-ink)}
button.small{padding:4px 10px;font-size:.82rem}
input,select{border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:.92rem;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid #bcd2ff}
label{font-weight:600;font-size:.9rem;color:#33415e}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row + .row{margin-top:10px}

/* flash */
.flash{padding:10px 14px;border-radius:8px;margin-bottom:16px;font-weight:600}
.flash.ok{background:var(--ok-bg);color:var(--ok-ink)}
.flash.err{background:var(--err-bg);color:var(--err-ink)}

/* month tabs */
.tabs{display:flex;gap:2px;margin-bottom:12px;border-bottom:2px solid var(--line);flex-wrap:wrap}
.tabs a{padding:9px 18px;font-weight:700;color:var(--mut);border-radius:8px 8px 0 0}
.tabs a:hover{background:#e9eef7;text-decoration:none}
.tabs a.on{color:var(--brand);background:#fff;border:2px solid var(--line);border-bottom:2px solid #fff;margin-bottom:-2px}

/* slot cards */
.slotlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.slot{border:1px solid var(--line);border-radius:10px;padding:10px 14px;background:#fff}
.slot.free{border-color:#9fd3af;background:#f4fbf6}
.slot.mine-class{}
.slot .s-no{font-weight:800;color:var(--brand)}
.slot .s-len{color:var(--mut);font-size:.85rem}
.slot .s-dates{margin:4px 0;font-weight:600}

/* off matrix */
.matrix td.mark{font-weight:800}
.matrix td.wknd{background:#f0f2f7}

/* stat tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:14px}
.tile{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;text-align:center}
.tile .v{font-size:1.35rem;font-weight:800;color:var(--brand)}
.tile .k{color:var(--mut);font-size:.82rem;font-weight:600}

/* copy message box */
.msgbox{background:#f4f7fd;border:1px dashed #b9c8e4;border-radius:8px;padding:10px 12px;font-size:.9rem}
.foot{color:var(--mut);font-size:.82rem;padding:18px 20px;text-align:center}
.small-note{color:var(--mut);font-size:.85rem}
.dragrow.dragging{opacity:.5}

/* member dashboard — guided steps + booking calendar */
.step{display:flex;gap:12px;padding:14px 0;border-top:1px dashed var(--line)}
.step:first-of-type{border-top:none}
.step-num{flex:0 0 32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:.95rem}
.step.done .step-num{background:var(--ok-ink)}
.step-body{flex:1;min-width:0}
.step-title{font-weight:700;margin-bottom:8px}
.submitted-banner{background:var(--ok-bg);color:var(--ok-ink);border-radius:10px;padding:12px 14px;font-weight:600;margin-bottom:12px}
button:disabled{opacity:.45;cursor:not-allowed}
.step.locked{opacity:.5}
.step.done summary.step-title{cursor:pointer;list-style:none}
.step.done summary.step-title::-webkit-details-marker{display:none}
.step.current .step-title{color:var(--brand)}

/* guidance flashing: the ACTIVE step's number pulses until done, then the next
   step takes over, and finally the submit button pulses */
.step.current .step-num{animation:pulse 1.2s ease-in-out infinite}
.btn.pulse{animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(47,111,237,.55)}
  50%{box-shadow:0 0 0 9px rgba(47,111,237,0)}
}

.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;max-width:600px}
.cal .cal-h{text-align:center;font-size:.72rem;color:var(--mut);font-weight:700;padding:2px 0}
.cal-day{position:relative;border:1px solid var(--line);border-radius:8px;min-height:46px;background:#f2f4f8;color:var(--mut);
  display:flex;align-items:center;justify-content:center;font-size:.95rem;padding:0}
.cal-day.blank{border:none;background:transparent}
button.cal-day{cursor:pointer;color:var(--ink);font-weight:600}
button.cal-day.hovslot{filter:brightness(.9)}
/* days of the same slot join into one block: no rounding/border on shared edges,
   and a bridge covers the grid gap so the block reads as one piece */
.cal-day.jl{border-top-left-radius:0;border-bottom-left-radius:0;border-left:none}
.cal-day.jr{border-top-right-radius:0;border-bottom-right-radius:0;border-right:none}
.cal-day.jl::before{content:"";position:absolute;left:-5px;top:-1px;bottom:-1px;width:6px;background:inherit}
@media(max-width:520px){.cal-day.jl::before{left:-4px;width:5px}}
.cal-day.mine{background:var(--ok-bg);border-color:var(--ok-ink);color:var(--ok-ink);font-weight:800}
.cal-day.othercat{background:transparent;border-color:transparent}
.cal-day.othercat .dnum{opacity:.25}
.cal-day .dnum{position:absolute;top:3px;left:6px;font-size:.66rem;opacity:.8;font-weight:600}
@media(max-width:520px){.cal{gap:3px}.cal-day{min-height:40px;border-radius:6px}}

/* toggle switch */
.switch{position:relative;display:inline-block;width:40px;height:22px;vertical-align:middle}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch .knob{position:absolute;inset:0;background:#c3ccd9;border-radius:999px;cursor:pointer;transition:background .15s}
.switch .knob::before{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;background:#fff;border-radius:50%;transition:transform .15s;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.switch input:checked + .knob{background:var(--ok-ink)}
.switch input:checked + .knob::before{transform:translateX(18px)}

/* team table */
.team-table td{padding:9px 10px}
.team-table tr:hover td{background:#f2f6fd}
.team-table tr.inactive td{opacity:.55}
.team-table .drag-handle{cursor:grab;color:var(--mut);font-size:1.05rem;margin-right:4px;user-select:none}
.team-table .name-in{width:150px}
.team-table input[type=color]{width:36px;height:32px;padding:2px;border-radius:8px;cursor:pointer;vertical-align:middle}
.team-table input[type=checkbox]{width:17px;height:17px;accent-color:var(--accent);cursor:pointer}
.team-table td.nowrap{white-space:nowrap}