*{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#0f172a;
  --panel:rgba(255,255,255,.10);
  --panel-strong:rgba(255,255,255,.14);
  --border:rgba(255,255,255,.14);
  --text:#fff;
  --muted:#cbd5e1;
  --primary:#6366f1;
  --cyan:#06b6d4;
  --danger:#ef4444;
  --dark:#111827
}

body{
  min-height:100vh;
  font-family:Inter,Arial,Helvetica,sans-serif;
  color:var(--text);
  padding:24px;
  background:
    radial-gradient(circle at 0 0,#7c3aed 0,transparent 32%),
    radial-gradient(circle at 100% 100%,#0891b2 0,transparent 32%),
    #0f172a
}

button,input,select{font:inherit}
button{border:0;cursor:pointer}
.hidden{display:none!important}
.app-shell{max-width:1500px;margin:auto}
.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:800;color:#a5b4fc}
h1{font-size:clamp(30px,5vw,46px);line-height:1.05}
h2{font-size:22px}
p{color:var(--muted);line-height:1.5}

/* VIEWER */

.viewer-page{max-width:900px;margin:0 auto;padding:20px 0 80px}

.profile-card{
  display:flex;align-items:center;gap:18px;padding:24px;margin:10px 0 22px;
  border-radius:28px;
  background:linear-gradient(135deg,rgba(99,102,241,.34),rgba(6,182,212,.18)),var(--panel);
  border:1px solid var(--border);
  backdrop-filter:blur(18px)
}

.profile-copy h1{margin:5px 0 4px}
.profile-copy p{font-size:18px}

.avatar{
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:rgba(255,255,255,.14);
  flex:0 0 auto
}

.avatar-large{
  width:82px;height:82px;font-size:46px;
  box-shadow:0 12px 35px rgba(0,0,0,.2)
}

.mobile-schedule{display:grid;gap:16px}

.day-card{
  overflow:hidden;border-radius:22px;
  background:rgba(255,255,255,.09);
  border:1px solid var(--border);
  backdrop-filter:blur(16px)
}

.day-title{
  padding:15px 18px;font-weight:900;font-size:18px;
  background:rgba(255,255,255,.08)
}

.lesson-card{
  display:grid;grid-template-columns:92px 1fr;
  gap:14px;align-items:center;
  padding:14px 18px;
  border-top:1px solid rgba(255,255,255,.08)
}

.lesson-time{
  font-size:13px;color:#c4b5fd;
  font-weight:800;line-height:1.35
}

.lesson-subject{font-weight:800;font-size:17px}
.empty-lesson{color:#94a3b8;font-weight:600}

.viewer-actions{
  display:flex;gap:12px;justify-content:center;
  margin-top:22px;flex-wrap:wrap
}

.action-btn,.tool-actions button,.back-btn,.add-btn,
.qr-open-button,.subject-input button{
  padding:13px 18px;
  border-radius:13px;
  color:white;
  font-weight:800;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  box-shadow:0 8px 24px rgba(0,0,0,.18);
  transition:.18s
}

.action-btn:hover,.tool-actions button:hover,.back-btn:hover,
.add-btn:hover,.qr-open-button:hover,.subject-input button:hover{
  transform:translateY(-2px)
}

/* EDITOR */

.editor-page{padding-bottom:60px}

.app-header{
  display:flex;justify-content:space-between;align-items:center;
  gap:20px;margin:10px 0 26px
}

.app-header p{margin-top:8px}
.back-btn{white-space:nowrap}

.settings-card,.planner-card,.tool-card{
  background:var(--panel);
  backdrop-filter:blur(16px);
  border:1px solid var(--border);
  border-radius:22px;
  padding:24px;
  margin-bottom:22px
}

.settings-card h2,.tool-card h2{margin-bottom:18px}

.profile-editor{
  display:grid;grid-template-columns:1fr 1fr;
  gap:14px;margin-bottom:16px
}

.input-group,label{
  display:flex;flex-direction:column;gap:7px
}

label{
  font-size:13px;color:#dbeafe;font-weight:700
}

input,select{
  border:1px solid rgba(255,255,255,.08);
  outline:none;padding:12px;border-radius:11px;
  background:#1e293b;color:white;font-size:15px
}

input:focus,select:focus{
  border-color:#818cf8;
  box-shadow:0 0 0 3px rgba(99,102,241,.18)
}

.avatar-picker{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:9px
}

.avatar-choice{
  width:50px;height:50px;border-radius:50%;
  font-size:27px;background:rgba(255,255,255,.10);
  color:white;border:2px solid transparent
}

.avatar-choice.active{
  border-color:#a5b4fc;
  background:rgba(99,102,241,.3);
  transform:scale(1.08)
}

.settings-grid{
  display:flex;align-items:flex-end;
  gap:12px;flex-wrap:wrap
}

.settings-grid .input-group{min-width:120px}
.settings-grid .qr-open-button{margin-left:auto}

#timeList{
  display:flex;flex-wrap:wrap;
  gap:10px;margin-top:18px
}

.time-item{
  display:flex;align-items:center;gap:9px;
  padding:10px 13px;border-radius:12px;
  background:var(--panel-strong)
}

.delete{
  padding:6px 9px;border-radius:8px;
  background:var(--danger);color:white
}

/* TIME BUTTON */

.time-picker-button{
  width:100%;
  padding:12px;
  border-radius:11px;
  border:1px solid rgba(255,255,255,.08);
  background:#1e293b;
  color:white;
  font-size:15px;
  font-weight:800;
  text-align:left;
  cursor:pointer
}

.time-picker-button:hover{
  border-color:#818cf8;
  box-shadow:0 0 0 3px rgba(99,102,241,.18)
}

/* PLANNER */

.planner-scroll{overflow-x:auto;padding-bottom:4px}

.planner-header,.schedule-row{
  display:grid;
  grid-template-columns:110px repeat(5,minmax(155px,1fr));
  gap:8px;
  min-width:900px
}

.planner-header{margin-bottom:8px}

.planner-header>div{
  padding:14px 8px;text-align:center;
  font-weight:900;border-radius:11px;
  background:rgba(255,255,255,.12)
}

.time-cell,.lesson-cell{
  min-height:78px;
  border-radius:12px;
  background:rgba(255,255,255,.075)
}

.time-cell{
  display:flex;align-items:center;
  justify-content:center;
  text-align:center;padding:8px;font-size:13px
}

.lesson-cell{
  padding:8px;
  transition:.18s
}

.lesson-cell:hover{background:rgba(255,255,255,.13)}
.lesson-cell select{width:100%;height:100%}

/* SUBJECTS */

.subject-input{
  display:flex;gap:10px;margin-bottom:16px
}

.subject-input input{flex:1}

#subjectList{
  display:flex;flex-wrap:wrap;gap:9px
}

.subject-chip{
  display:flex;align-items:center;gap:7px;
  padding:9px 12px;border-radius:18px;
  background:linear-gradient(135deg,#6366f1,#8b5cf6);
  font-weight:800
}

.subject-chip button{
  background:rgba(0,0,0,.18);
  color:white;width:23px;height:23px;
  border-radius:50%
}

/* TOOLS */

.tool-card{
  display:flex;align-items:center;
  justify-content:space-between;gap:20px
}

.tool-card p{margin-top:4px}

.tool-actions{
  display:flex;gap:10px;
  flex-wrap:wrap;justify-content:flex-end
}

.save-btn{
  background:linear-gradient(135deg,#16a34a,#22c55e)!important
}

/* QR MODAL */

.modal{
  position:fixed;inset:0;z-index:10000;
  display:flex;align-items:center;
  justify-content:center;padding:18px;
  background:rgba(2,6,23,.78);
  backdrop-filter:blur(10px)
}

.modal-box{
  position:relative;width:min(460px,100%);
  background:white;color:#111827;
  border-radius:26px;padding:30px;
  text-align:center;
  box-shadow:0 25px 80px rgba(0,0,0,.45)
}

.modal-box h2{margin:5px 0 8px}
.modal-box p{color:#64748b;margin-bottom:14px}

.modal-close{
  position:absolute;right:14px;top:14px;
  width:35px;height:35px;border-radius:50%;
  background:#ef4444;color:white;font-weight:900
}

#qrContainer{
  min-height:270px;
  display:flex;align-items:center;
  justify-content:center;margin:8px 0
}

#qrContainer canvas,#qrContainer img{
  width:250px!important;height:250px!important;
  padding:9px;background:#fff;
  border-radius:15px;
  box-shadow:0 8px 28px rgba(15,23,42,.15)
}

.qr-actions{display:grid;gap:9px}

.qr-create{
  width:100%;padding:13px;border-radius:12px;
  background:#111827;color:white;font-weight:900
}

.qr-create.secondary{background:#2563eb}

/* IPHONE STYLE TIME PICKER */

.time-picker-modal{
  position:fixed;inset:0;z-index:11000;
  display:flex;align-items:center;
  justify-content:center;padding:18px;
  background:rgba(2,6,23,.78);
  backdrop-filter:blur(10px)
}

.time-picker-box{
  position:relative;width:min(400px,100%);
  background:#fff;color:#111827;
  border-radius:26px;padding:28px;
  text-align:center;
  box-shadow:0 25px 80px rgba(0,0,0,.45)
}

.time-picker-box h2{
  margin:5px 0 20px;
  font-size:24px
}

.time-picker-close{
  position:absolute;right:14px;top:14px;
  width:35px;height:35px;
  border-radius:50%;
  background:#ef4444;color:white;
  font-weight:900
}

.time-wheel{
  display:flex;align-items:center;
  justify-content:center;gap:12px;
  margin:10px 0 22px
}

.wheel-column{
  position:relative;width:105px
}

.wheel-label{
  font-size:12px;font-weight:800;
  color:#64748b;margin-bottom:7px
}

.wheel{
  position:relative;
  height:210px;
  overflow-y:auto;
  overflow-x:hidden;
  scroll-snap-type:y mandatory;
  scroll-behavior:smooth;
  scrollbar-width:none;
  -ms-overflow-style:none;
  border-radius:18px;
  background:#f1f5f9;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain
}

.wheel::-webkit-scrollbar{display:none}

.wheel::before,.wheel::after{
  content:"";
  display:block;
  height:84px
}

.wheel-option{
  width:100%;height:42px;
  display:flex;align-items:center;
  justify-content:center;
  scroll-snap-align:center;
  background:transparent;
  color:#94a3b8;
  border:0;
  font-size:22px;
  font-weight:600;
  cursor:pointer;
  user-select:none;
  transition:color .15s ease,font-size .15s ease,font-weight .15s ease
}

.wheel-option.active{
  color:#111827;
  font-size:28px;
  font-weight:900
}

.wheel-selection{
  position:absolute;
  left:0;right:0;top:84px;
  height:42px;
  border-top:2px solid #6366f1;
  border-bottom:2px solid #6366f1;
  background:rgba(99,102,241,.07);
  border-radius:8px;
  pointer-events:none;
  z-index:5
}

.wheel-separator{
  font-size:28px;font-weight:900;
  color:#111827;margin-top:25px
}

.time-picker-done{
  width:100%;padding:13px;
  border-radius:12px;
  background:linear-gradient(135deg,#6366f1,#06b6d4);
  color:white;font-weight:900;
  font-size:16px;
  box-shadow:0 8px 24px rgba(0,0,0,.18);
  transition:.18s
}

.time-picker-done:hover{transform:translateY(-2px)}

/* PRINT */

#printArea{display:none}

@media(max-width:700px){

  body{padding:12px}

  .profile-card{padding:18px}
  .avatar-large{width:68px;height:68px;font-size:38px}
  .profile-copy h1{font-size:26px}
  .profile-copy p{font-size:15px}

  .lesson-card{
    grid-template-columns:80px 1fr;
    padding:13px 14px
  }

  .editor-page .app-header{align-items:flex-start}
  .back-btn{padding:10px 13px}

  .profile-editor{grid-template-columns:1fr}

  .settings-grid{
    flex-direction:column;
    align-items:stretch
  }

  .settings-grid .input-group{width:100%}

  .settings-grid .add-btn,
  .settings-grid .qr-open-button{
    width:100%;
    margin-left:0
  }

  .tool-card{
    align-items:stretch;
    flex-direction:column
  }

  .tool-actions{justify-content:stretch}
  .tool-actions button{flex:1}

  .settings-card,.planner-card,.tool-card{
    padding:18px
  }

  .time-picker-box{
    width:min(400px,100%);
    padding:24px 18px
  }

  .wheel-column{width:105px}
  .wheel{height:210px}
  .wheel-option{height:42px}
}

@media print{

  @page{
    size:A4 landscape;
    margin:10mm
  }

  body{
    padding:0;
    background:white;
    color:#111
  }

  .app-shell,.modal,.time-picker-modal{
    display:none!important
  }

  #printArea{
    display:block!important;
    color:#111
  }

  .print-sheet{
    font-family:Arial,sans-serif;
    width:100%
  }

  .print-header{
    display:flex;align-items:center;
    gap:15px;
    border-bottom:3px solid #111;
    padding-bottom:12px;
    margin-bottom:14px
  }

  .print-avatar{font-size:36px}

  .print-title{
    font-size:24px;
    font-weight:900
  }

  .print-subtitle{
    font-size:13px;
    color:#555;
    margin-top:3px
  }

  .print-table{
    width:100%;
    border-collapse:collapse;
    table-layout:fixed
  }

  .print-table th,.print-table td{
    border:1px solid #333;
    padding:8px;
    text-align:center;
    vertical-align:middle
  }

  .print-table th{
    background:#e5e7eb;
    font-weight:900
  }

  .print-time{width:12%}
  .print-subject{font-weight:800;min-height:20px}
  .print-empty{color:#777}

  .print-footer{
    margin-top:10px;
    font-size:10px;
    color:#666
  }
}