@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --sans:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono','Courier New',monospace;

  /* Achtergronden */
  --bg:#f1f5f9;
  --s1:#ffffff;
  --s2:#ffffff;
  --s3:#f8fafc;
  --s4:#f1f5f9;

  /* Randen */
  --b1:#e2e8f0;
  --b2:#cbd5e1;
  --b3:#94a3b8;

  /* Tekst */
  --text:#0f172a;
  --sub:#334155;
  --muted:#64748b;
  --dim:#94a3b8;

  /* Accent oranje */
  --accent:#ea6c0a;
  --aLo:#fff7ed;
  --aMid:#fdba74;

  /* Semantisch */
  --green:#16a34a;
  --gLo:#f0fdf4;
  --red:#dc2626;
  --rLo:#fef2f2;
  --amber:#d97706;
  --blue:#2563eb;

  /* Sidebar */
  --sidebar-bg:#1e293b;
  --sidebar-text:#94a3b8;
  --sidebar-active:#f97316;
  --sidebar-hover:#334155;

  /* Radius */
  --r4:4px;--r6:6px;--r8:8px;--r10:10px;--r12:12px;
}

*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);font-family:var(--sans);color:var(--text);font-size:15px;line-height:1.6}
a{color:inherit;text-decoration:none}

/* FORMULIEREN */
input,select,button,textarea{font-family:var(--sans);font-size:14px;color:var(--text)}
input,select,textarea{
  background:#fff;border:1.5px solid var(--b1);border-radius:var(--r8);
  padding:9px 12px;width:100%;transition:border-color .15s,box-shadow .15s;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(234,108,10,.12);
}
input::placeholder{color:var(--dim)}
select option{background:#fff;color:var(--text)}
label{display:block;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--sub);margin-bottom:5px;text-transform:uppercase}

/* SCROLLBAR */
*{scrollbar-width:thin;scrollbar-color:var(--b2) var(--bg)}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--b2);border-radius:3px}

/* LAYOUT */
.app-shell{display:flex;min-height:100vh}
.sidebar{
  width:210px;background:var(--sidebar-bg);
  display:flex;flex-direction:column;flex-shrink:0;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.sidebar-logo{
  display:flex;align-items:center;gap:10px;
  padding:18px 16px 16px;border-bottom:1px solid rgba(255,255,255,.07);
}
.logo-mark{
  width:28px;height:28px;border:2px solid var(--sidebar-active);
  border-radius:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-name{font-size:9px;font-weight:700;color:#f1f5f9;letter-spacing:.12em;line-height:1.5;text-transform:uppercase}
.logo-ver{font-size:9px;color:#475569;letter-spacing:.2em;margin-top:1px}
.sidebar-nav{flex:1;padding:8px 0}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 16px;
  font-size:13px;font-weight:500;color:var(--sidebar-text);
  border-left:3px solid transparent;cursor:pointer;
  transition:all .13s;letter-spacing:.01em;
}
.nav-item:hover{color:#e2e8f0;background:var(--sidebar-hover)}
.nav-item.active{color:#fff;background:rgba(249,115,22,.15);border-left-color:var(--sidebar-active)}
.nav-icon{font-size:14px;width:18px;text-align:center;flex-shrink:0;opacity:.7}
.nav-item.active .nav-icon{opacity:1}
.sidebar-footer{padding:14px 16px;border-top:1px solid rgba(255,255,255,.07)}
.sidebar-user{font-size:12px;color:#475569;margin-bottom:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn-logout{font-size:12px;color:#475569;cursor:pointer;border:none;background:none;padding:0;transition:color .12s;font-family:var(--sans)}
.btn-logout:hover{color:#ef4444}
.main-content{flex:1;min-width:0;padding:32px 36px;overflow-y:auto;max-height:100vh}

/* FLASH */
.flash{padding:12px 16px;border-radius:var(--r8);font-size:14px;margin-bottom:20px;border:1.5px solid;font-weight:500}
.flash-ok{background:var(--gLo);border-color:#86efac;color:#15803d}
.flash-err{background:var(--rLo);border-color:#fca5a5;color:#b91c1c}
.flash-warn{background:#fffbeb;border-color:#fcd34d;color:#92400e}

/* HEADINGS */
.page-title{font-size:22px;font-weight:700;color:var(--text);margin-bottom:4px;letter-spacing:-.01em}
.page-sub{font-size:14px;color:var(--muted);margin-bottom:28px}
.section-label{
  font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;padding-bottom:8px;
  border-bottom:1.5px solid var(--b1);
}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 18px;
  border-radius:var(--r8);border:1.5px solid var(--b2);background:#fff;
  color:var(--sub);font-size:13px;font-weight:600;cursor:pointer;
  transition:all .15s;white-space:nowrap;font-family:var(--sans);
  box-shadow:0 1px 2px rgba(0,0,0,.06);
}
.btn:hover{border-color:var(--b3);color:var(--text);background:#f8fafc}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 2px 6px rgba(234,108,10,.3)}
.btn-primary:hover{background:#d45f07;border-color:#d45f07;color:#fff}
.btn-danger{border-color:#fca5a5;color:var(--red);background:#fff}
.btn-danger:hover{background:var(--rLo)}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-green{border-color:#86efac;color:var(--green);background:#fff}
.btn-green:hover{background:var(--gLo)}

/* CARDS */
.card{
  background:var(--s2);border:1.5px solid var(--b1);border-radius:var(--r12);
  padding:22px 24px;box-shadow:0 1px 3px rgba(0,0,0,.06);
}
.card-sm{padding:14px 18px;border-radius:var(--r10)}

/* GRID */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* FORM */
.form-group{margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:16px}

/* STAT BOXES */
.stat{
  background:#fff;border:1.5px solid var(--b1);border-radius:var(--r10);
  padding:16px 18px;box-shadow:0 1px 3px rgba(0,0,0,.05);
}
.stat-val{font-size:28px;font-weight:700;color:var(--text);margin-bottom:3px;line-height:1.1;font-family:var(--mono)}
.stat-lbl{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}

/* BADGES */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.04em}
.badge-orange{background:#fff7ed;color:#c2410c;border:1.5px solid #fed7aa}
.badge-green{background:var(--gLo);color:#15803d;border:1.5px solid #bbf7d0}
.badge-gray{background:var(--s4);color:var(--muted);border:1.5px solid var(--b1)}
.badge-red{background:var(--rLo);color:#b91c1c;border:1.5px solid #fecaca}
.badge-blue{background:#eff6ff;color:#1d4ed8;border:1.5px solid #bfdbfe}

/* TABLE */
.table{width:100%;border-collapse:collapse}
.table th{
  font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--muted);
  text-align:left;padding:0 14px 10px;border-bottom:2px solid var(--b1);text-transform:uppercase;
}
.table td{padding:11px 14px;border-bottom:1px solid var(--b1);font-size:14px;color:var(--sub)}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:var(--s3)}

/* WEEK PLANNER */
.week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.day-cell{
  background:#fff;border:1.5px solid var(--b1);border-radius:var(--r10);
  padding:10px;min-height:130px;display:flex;flex-direction:column;
  gap:6px;transition:border-color .15s;
}
.day-cell.today{border-color:var(--accent);box-shadow:0 0 0 3px rgba(234,108,10,.1)}
.day-cell.drag-over{border-color:var(--accent)!important;background:var(--aLo)}
.day-hdr{font-size:10px;font-weight:700;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:2px}
.day-date{font-size:12px;color:var(--sub);margin-bottom:6px}
.plan-block{
  background:var(--aLo);border:1.5px solid var(--aMid);border-radius:6px;
  padding:6px 8px;font-size:11px;cursor:grab;position:relative;
}
.plan-block-name{color:var(--text);font-weight:600;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.plan-block-meta{color:var(--muted);font-size:11px}
.plan-block-del{position:absolute;top:4px;right:5px;color:var(--muted);cursor:pointer;font-size:12px;opacity:0;transition:opacity .15s}
.plan-block:hover .plan-block-del{opacity:1}
.plan-add{
  color:var(--dim);font-size:22px;text-align:center;cursor:pointer;
  padding:4px;border-radius:6px;transition:all .15s;line-height:1;
}
.plan-add:hover{color:var(--accent);background:var(--aLo)}
.icu-pushed{border-left:3px solid var(--green)!important}

/* STEP BUILDER */
.step-list{display:flex;flex-direction:column;gap:6px}
.step-row{
  background:#fff;border:1.5px solid var(--b1);border-radius:var(--r8);
  padding:10px 12px;display:flex;align-items:center;gap:10px;cursor:grab;
  box-shadow:0 1px 2px rgba(0,0,0,.04);
}
.step-row:hover{border-color:var(--b2)}
.step-handle{color:var(--dim);font-size:16px;cursor:grab;flex-shrink:0}
.step-type-pill{font-size:10px;font-weight:700;padding:3px 8px;border-radius:4px;letter-spacing:.05em;flex-shrink:0;width:76px;text-align:center}
.step-dur{width:72px;flex-shrink:0}
.step-dur input{padding:5px 8px;font-size:13px}
.step-target{display:flex;gap:6px;flex:1;align-items:center}
.step-target select,.step-target input{padding:5px 8px;font-size:13px}
.step-target select{width:94px;flex-shrink:0}
.step-target input{width:82px;flex-shrink:0}
.step-name input{flex:1}
.step-del{color:var(--dim);cursor:pointer;font-size:15px;flex-shrink:0;border:none;background:none;padding:2px 4px;border-radius:3px;transition:color .12s}
.step-del:hover{color:var(--red)}
.repeat-block{border:1.5px solid var(--b2);border-radius:var(--r10);padding:12px 14px;background:var(--s3);margin-bottom:6px}
.repeat-hdr{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.zone-bar{display:flex;gap:4px;margin-bottom:12px}
.zone-chip{flex:1;border-radius:4px;padding:5px 4px;text-align:center;font-size:10px;font-weight:700;letter-spacing:.04em;cursor:pointer;border:1.5px solid transparent;opacity:.4;transition:opacity .12s}
.zone-chip:hover,.zone-chip.active{opacity:1}

/* AUTH */
.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#f1f5f9 0%,#e2e8f0 100%);padding:20px;
}
.auth-card{
  background:#fff;border:1.5px solid var(--b1);border-radius:16px;
  padding:40px 40px 32px;width:100%;max-width:420px;
  box-shadow:0 8px 32px rgba(0,0,0,.08),0 2px 8px rgba(0,0,0,.04);
}
.auth-logo{text-align:center;margin-bottom:32px}
.auth-logo-mark{
  width:48px;height:48px;background:var(--accent);border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;
  box-shadow:0 4px 12px rgba(234,108,10,.3);
}
.auth-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:4px;letter-spacing:-.01em}
.auth-sub{font-size:14px;color:var(--muted)}
.auth-switch{text-align:center;margin-top:20px;font-size:13px;color:var(--muted)}
.auth-switch a{color:var(--accent);font-weight:600}

/* ICU STATUS */
.icu-status{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  background:var(--s3);border:1.5px solid var(--b1);border-radius:var(--r8);font-size:14px;
}
.icu-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* SPORT ICONS */
.sport-icon{font-size:16px;width:22px;text-align:center}
.sport-Ride::before{content:'🚴';font-size:15px}
.sport-Run::before{content:'🏃';font-size:15px}
.sport-Swim::before{content:'🏊';font-size:15px}
.sport-VirtualRide::before{content:'⚡';font-size:15px}
.sport-Walk::before{content:'🚶';font-size:15px}
.sport-WeightTraining::before{content:'🏋️';font-size:15px}
.sport-Other::before{content:'◈';font-size:15px}

/* MISC */
.hr{border:none;border-top:1.5px solid var(--b1);margin:24px 0}
.empty{text-align:center;color:var(--muted);padding:48px 20px;font-size:14px}
.text-accent{color:var(--accent)}
.text-muted{color:var(--muted)}
.text-green{color:var(--green)}
.text-red{color:var(--red)}
.text-right{text-align:right}
.flex{display:flex}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.flex-center{display:flex;align-items:center}
.gap-6{gap:6px}
.gap-10{gap:10px}
.gap-16{gap:16px}
.mb-16{margin-bottom:16px}
.mb-24{margin-bottom:24px}
.w-full{width:100%}