:root{
  --green-950:#0b3027;
  --green-900:#103f32;
  --green-800:#175443;
  --green-700:#21634f;
  --green-100:#eaf3ef;
  --green-50:#f4f8f6;

  --gold-700:#9a7027;
  --gold-600:#b48736;
  --gold-500:#c79a43;
  --gold-100:#f3e7ce;
  --gold-50:#fbf6ea;

  --ink:#20332a;
  --muted:#6e7e76;
  --line:#e2ddd2;
  --surface:#ffffff;
  --canvas:#f5f2eb;

  --danger:#9b4039;
  --danger-soft:#faecea;
  --success:#247047;
  --success-soft:#e9f5ee;
  --warning:#80601f;
  --warning-soft:#fbf1d8;

  --shadow-sm:0 2px 8px rgba(14,55,43,.05);
  --shadow-md:0 12px 32px rgba(14,55,43,.08);
  --shadow-lg:0 20px 50px rgba(14,55,43,.12);

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
}

*{
  box-sizing:border-box;
}

html{
  min-height:100%;
  background:var(--canvas);
}

body{
  min-height:100vh;
  margin:0;
  background:
    radial-gradient(circle at top right,rgba(199,154,67,.08),transparent 30rem),
    linear-gradient(180deg,#f9f7f2 0,var(--canvas) 14rem);
  color:var(--ink);
  font-family:Tahoma,Arial,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

a{
  color:inherit;
}

button,
input,
select,
textarea{
  font:inherit;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(16,63,50,.97);
  border-bottom:1px solid rgba(199,154,67,.55);
  box-shadow:0 5px 20px rgba(9,43,34,.10);
  backdrop-filter:blur(12px);
}

.site-header__inner{
  width:min(1180px,calc(100% - 32px));
  min-height:72px;
  margin:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.brand{
  min-width:0;
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:#fff;
  text-decoration:none;
}

.brand__mark{
  width:48px;
  height:48px;
  flex:0 0 48px;
  display:grid;
  place-items:center;
  border-radius:14px;
  color:#fff;
  background:
    linear-gradient(145deg,var(--gold-500),var(--gold-700));
  border:1px solid rgba(255,255,255,.22);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.2),
    0 5px 14px rgba(0,0,0,.14);
  font-size:1rem;
  font-weight:900;
}

.brand__text{
  min-width:0;
  display:flex;
  flex-direction:column;
  line-height:1.35;
}

.brand__text strong{
  font-size:1.05rem;
  font-weight:900;
}

.brand__text small{
  margin-top:3px;
  color:#d7e4df;
  font-size:.74rem;
}

.site-header__actions{
  display:flex;
  align-items:center;
  gap:8px;
}

.site-main{
  min-height:calc(100vh - 136px);
}

.page-shell{
  width:min(1040px,calc(100% - 32px));
  margin:auto;
  padding:34px 0 50px;
}

.page-heading{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  margin-bottom:22px;
}

.page-heading__title{
  margin:0;
  color:var(--green-900);
  font-size:clamp(1.45rem,2vw,2rem);
  line-height:1.35;
  font-weight:900;
}

.page-heading__subtitle{
  margin:7px 0 0;
  color:var(--muted);
  font-size:.94rem;
}

.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
  overflow:hidden;
}

.panel + .panel{
  margin-top:18px;
}

.panel__header{
  padding:20px 22px 14px;
  border-bottom:1px solid #eee9df;
}

.panel__title{
  margin:0;
  color:var(--green-900);
  font-size:1.08rem;
  font-weight:900;
}

.panel__subtitle{
  margin:5px 0 0;
  color:var(--muted);
  font-size:.86rem;
}

.panel__body{
  padding:22px;
}

.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}

.form-group{
  min-width:0;
}

.form-group--full{
  grid-column:1/-1;
}

.form-label{
  display:block;
  margin:0 0 7px;
  color:var(--green-900);
  font-size:.86rem;
  font-weight:800;
}

.form-control{
  width:100%;
  min-height:47px;
  padding:10px 12px;
  border:1px solid #d9d3c7;
  border-radius:var(--radius-sm);
  background:#fff;
  color:var(--ink);
  outline:none;
  transition:
    border-color .15s ease,
    box-shadow .15s ease,
    background .15s ease;
}

.form-control:focus{
  border-color:var(--gold-500);
  box-shadow:0 0 0 4px rgba(199,154,67,.13);
}

.form-hint{
  margin-top:6px;
  color:var(--muted);
  font-size:.78rem;
}

.btn{
  min-height:45px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  padding:10px 17px;
  border:0;
  border-radius:11px;
  cursor:pointer;
  text-decoration:none;
  font-weight:900;
  transition:
    transform .15s ease,
    box-shadow .15s ease,
    background .15s ease;
}

.btn:hover{
  box-shadow:0 8px 18px rgba(13,52,41,.10);
}

.btn:active{
  transform:translateY(1px);
}

.btn--primary{
  background:var(--green-800);
  color:#fff;
}

.btn--gold{
  background:linear-gradient(135deg,var(--gold-500),var(--gold-700));
  color:#fff;
}

.btn--danger{
  background:var(--danger);
  color:#fff;
}

.btn--ghost{
  background:#fff;
  color:var(--green-800);
  border:1px solid #d7ddd9;
}

.btn--block{
  width:100%;
}

.flash-stack{
  display:grid;
  gap:9px;
  margin-bottom:18px;
}

.flash{
  padding:12px 14px;
  border-radius:12px;
  border:1px solid transparent;
  font-size:.88rem;
}

.flash--success{
  background:var(--success-soft);
  color:var(--success);
  border-color:#cfe5d7;
}

.flash--error{
  background:var(--danger-soft);
  color:#842f2a;
  border-color:#edcecb;
}

.flash--warning,
.flash--info{
  background:var(--warning-soft);
  color:var(--warning);
  border-color:#ead8aa;
}

.status-box{
  padding:13px 14px;
  border-radius:12px;
  border:1px solid #d5e2dc;
  background:var(--green-50);
  color:var(--green-800);
}

.choice-grid{
  display:grid;
  gap:10px;
}

.choice-card{
  position:relative;
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:15px;
  border:1px solid #ded8cd;
  border-radius:14px;
  background:#fff;
  cursor:pointer;
  transition:
    border-color .15s ease,
    background .15s ease,
    box-shadow .15s ease,
    transform .15s ease;
}

.choice-card:hover{
  border-color:#c7b68f;
  box-shadow:var(--shadow-sm);
}

.choice-card:has(input:checked){
  border-color:var(--gold-500);
  background:var(--gold-50);
  box-shadow:0 0 0 3px rgba(199,154,67,.10);
}

.choice-card input{
  margin-top:5px;
  accent-color:var(--green-800);
}

.choice-card__title{
  color:var(--green-900);
  font-weight:900;
}

.choice-card__meta{
  margin-top:4px;
  color:var(--muted);
  font-size:.85rem;
}

.site-footer{
  color:#839089;
  font-size:.75rem;
}

.site-footer__inner{
  width:min(1040px,calc(100% - 32px));
  margin:auto;
  padding:18px 0 25px;
  display:flex;
  justify-content:center;
  gap:7px;
}

.site-footer__dot{
  color:var(--gold-600);
}

@media (max-width:720px){
  .site-header__inner{
    width:calc(100% - 22px);
    min-height:64px;
  }

  .brand__mark{
    width:42px;
    height:42px;
    flex-basis:42px;
    border-radius:12px;
  }

  .brand__text strong{
    font-size:.95rem;
  }

  .brand__text small{
    font-size:.68rem;
  }

  .page-shell{
    width:calc(100% - 20px);
    padding:20px 0 34px;
  }

  .page-heading{
    margin-bottom:16px;
  }

  .panel{
    border-radius:16px;
  }

  .panel__header{
    padding:17px 15px 12px;
  }

  .panel__body{
    padding:15px;
  }

  .form-grid{
    grid-template-columns:1fr;
    gap:13px;
  }

  .form-group--full{
    grid-column:auto;
  }

  .btn{
    min-height:48px;
  }
}

/* ===== Professional circle entry ===== */
.breadcrumb{
  margin-bottom:16px;
}

.breadcrumb a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--green-700);
  text-decoration:none;
  font-size:.86rem;
  font-weight:800;
}

.circle-hero{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:24px;
  padding:25px 26px;
  margin-bottom:20px;
  border:1px solid #ded8cc;
  border-radius:var(--radius-lg);
  background:
    linear-gradient(135deg,#fff 0,#fff 55%,#f3f8f5 100%);
  box-shadow:var(--shadow-md);
}

.circle-hero::after{
  content:"";
  position:absolute;
  inset:auto -55px -80px auto;
  width:190px;
  height:190px;
  border-radius:50%;
  background:rgba(199,154,67,.08);
  pointer-events:none;
}

.circle-hero__eyebrow{
  display:inline-flex;
  margin-bottom:6px;
  color:var(--gold-700);
  font-size:.76rem;
  font-weight:900;
}

.circle-hero__title{
  margin:0;
  color:var(--green-900);
  font-size:clamp(1.45rem,2.4vw,2rem);
  line-height:1.35;
  font-weight:900;
}

.circle-hero__teacher{
  margin-top:7px;
  color:var(--muted);
  font-size:.9rem;
}

.circle-hero__schedule{
  position:relative;
  z-index:1;
  min-width:245px;
  padding:14px 16px;
  border:1px solid #d3e2da;
  border-radius:14px;
  background:var(--green-50);
}

.circle-hero__schedule-label{
  color:var(--green-800);
  font-size:.74rem;
  font-weight:900;
}

.circle-hero__schedule-value{
  margin-top:3px;
  color:var(--green-950);
  font-size:.94rem;
  font-weight:900;
}

.entry-intro{
  margin-bottom:18px;
  text-align:center;
}

.entry-intro h2{
  margin:0;
  color:var(--green-900);
  font-size:1.18rem;
}

.entry-intro p{
  margin:5px 0 0;
  color:var(--muted);
  font-size:.86rem;
}

.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  align-items:start;
}

.entry-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
  overflow:hidden;
}

.entry-card__head{
  min-height:105px;
  padding:20px 21px 16px;
  border-bottom:1px solid #eee9df;
  background:linear-gradient(180deg,#fff,#fcfbf8);
}

.entry-card__badge{
  display:inline-flex;
  align-items:center;
  min-height:27px;
  padding:4px 9px;
  margin-bottom:8px;
  border-radius:999px;
  background:var(--green-100);
  color:var(--green-800);
  font-size:.72rem;
  font-weight:900;
}

.entry-card--new .entry-card__badge{
  background:var(--gold-100);
  color:var(--gold-700);
}

.entry-card__title{
  margin:0;
  color:var(--green-900);
  font-size:1.06rem;
  font-weight:900;
}

.entry-card__desc{
  margin:4px 0 0;
  color:var(--muted);
  font-size:.78rem;
}

.entry-card__body{
  padding:20px 21px 22px;
}

.empty-state{
  padding:18px;
  border:1px dashed #d8d2c7;
  border-radius:13px;
  background:#faf8f3;
  color:var(--muted);
  text-align:center;
  font-size:.85rem;
}

@media (max-width:760px){
  .circle-hero{
    grid-template-columns:1fr;
    gap:16px;
    padding:20px 17px;
  }

  .circle-hero__schedule{
    min-width:0;
    width:100%;
  }

  .entry-grid{
    grid-template-columns:1fr;
  }

  .entry-card__head,
  .entry-card__body{
    padding-right:16px;
    padding-left:16px;
  }
}

/* ===== Professional student booking ===== */

.booking-summary{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(220px,.6fr);
  gap:14px;
  margin-bottom:20px;
}

.summary-card{
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  box-shadow:var(--shadow-sm);
}

.summary-card__label{
  color:var(--muted);
  font-size:.74rem;
  font-weight:800;
}

.summary-card__value{
  margin-top:3px;
  color:var(--green-900);
  font-size:1rem;
  font-weight:900;
}

.summary-card__meta{
  margin-top:5px;
  color:var(--muted);
  font-size:.8rem;
}

.booking-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(290px,.72fr);
  gap:18px;
  align-items:start;
}

.booking-step{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}

.booking-step__number{
  width:32px;
  height:32px;
  flex:0 0 32px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--green-900);
  color:#fff;
  font-size:.8rem;
  font-weight:900;
}

.booking-step__title{
  color:var(--green-900);
  font-weight:900;
}

.booking-step__hint{
  color:var(--muted);
  font-size:.75rem;
}

.session-choice-list{
  display:grid;
  gap:11px;
}

.session-choice-card{
  position:relative;
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:16px;
  border:1px solid #ddd7cc;
  border-radius:15px;
  background:#fff;
  cursor:pointer;
  transition:.15s ease;
}

.session-choice-card:hover{
  border-color:#c7b68e;
  box-shadow:var(--shadow-sm);
}

.session-choice-card:has(input:checked){
  border-color:var(--gold-500);
  background:var(--gold-50);
  box-shadow:0 0 0 3px rgba(199,154,67,.10);
}

.session-choice-card input{
  margin-top:5px;
  accent-color:var(--green-800);
}

.session-choice-card__content{
  min-width:0;
  flex:1;
}

.session-choice-card__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.session-choice-card__title{
  color:var(--green-950);
  font-size:.92rem;
  font-weight:900;
}

.session-badge{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:3px 8px;
  border-radius:999px;
  background:var(--green-100);
  color:var(--green-800);
  font-size:.68rem;
  font-weight:900;
}

.session-badge--extra{
  background:var(--gold-100);
  color:var(--gold-700);
}

.session-choice-card__time{
  margin-top:7px;
  color:var(--ink);
  font-size:.9rem;
  font-weight:800;
}

.session-choice-card__note{
  margin-top:5px;
  color:var(--muted);
  font-size:.76rem;
}

.availability{
  margin-top:8px;
  font-size:.73rem;
  font-weight:800;
}

.availability--open{
  color:var(--success);
}

.booking-action-panel{
  position:sticky;
  top:92px;
}

.booking-action-panel .panel__body{
  padding-top:18px;
}

.proposal-box{
  display:none;
  margin-top:16px;
  padding:17px;
  border:1px solid #d7e2dc;
  border-radius:14px;
  background:var(--green-50);
}

.proposal-box__value{
  margin:8px 0 14px;
  color:var(--green-950);
  font-size:1.35rem;
  text-align:center;
  font-weight:900;
}

.current-booking{
  position:relative;
  overflow:hidden;
  padding:26px;
  border:1px solid #cfe0d7;
  border-radius:var(--radius-lg);
  background:
    linear-gradient(135deg,#fff 0,#f0f7f3 100%);
  box-shadow:var(--shadow-md);
}

.current-booking::before{
  content:"";
  position:absolute;
  right:0;
  top:0;
  bottom:0;
  width:5px;
  background:var(--green-700);
}

.current-booking__status{
  display:inline-flex;
  padding:4px 9px;
  border-radius:999px;
  background:var(--success-soft);
  color:var(--success);
  font-size:.72rem;
  font-weight:900;
}

.current-booking__title{
  margin:10px 0 3px;
  color:var(--green-950);
  font-size:1.25rem;
  font-weight:900;
}

.current-booking__meta{
  color:var(--muted);
  font-size:.84rem;
}

.current-booking__time{
  margin:18px 0;
  color:var(--green-900);
  font-size:1.6rem;
  font-weight:900;
}

.closed-panel{
  text-align:center;
  padding:30px 22px;
}

.closed-panel__icon{
  width:52px;
  height:52px;
  margin:0 auto 12px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--gold-100);
  color:var(--gold-700);
  font-size:1.3rem;
}

@media (max-width:820px){
  .booking-layout,
  .booking-summary{
    grid-template-columns:1fr;
  }

  .booking-action-panel{
    position:static;
  }
}

/* ===== Professional home ===== */

.home-hero{
  position:relative;
  overflow:hidden;
  margin-bottom:26px;
  padding:34px 30px;
  border:1px solid #dcd5c8;
  border-radius:var(--radius-lg);
  background:
    linear-gradient(135deg,#fff 0,#fff 48%,#edf5f1 100%);
  box-shadow:var(--shadow-md);
}

.home-hero::after{
  content:"تاج";
  position:absolute;
  left:28px;
  top:50%;
  transform:translateY(-50%);
  color:rgba(16,63,50,.045);
  font-size:7rem;
  line-height:1;
  font-weight:900;
  pointer-events:none;
}

.home-hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-bottom:8px;
  padding:4px 10px;
  border-radius:999px;
  background:var(--gold-100);
  color:var(--gold-700);
  font-size:.72rem;
  font-weight:900;
}

.home-hero__title{
  position:relative;
  z-index:1;
  max-width:650px;
  margin:0;
  color:var(--green-950);
  font-size:clamp(1.65rem,3vw,2.35rem);
  line-height:1.35;
  font-weight:900;
}

.home-hero__text{
  position:relative;
  z-index:1;
  max-width:620px;
  margin:9px 0 0;
  color:var(--muted);
  font-size:.92rem;
}

.home-section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:14px;
}

.home-section-head h2{
  margin:0;
  color:var(--green-900);
  font-size:1.15rem;
  font-weight:900;
}

.home-section-head p{
  margin:4px 0 0;
  color:var(--muted);
  font-size:.8rem;
}

.circle-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}

.circle-card{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  min-height:190px;
  padding:21px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:#fff;
  box-shadow:var(--shadow-sm);
  transition:
    transform .18s ease,
    box-shadow .18s ease,
    border-color .18s ease;
}

.circle-card:hover{
  transform:translateY(-2px);
  border-color:#cfc5b1;
  box-shadow:var(--shadow-md);
}

.circle-card::before{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:5px;
  height:100%;
  background:linear-gradient(
    180deg,
    var(--green-700),
    var(--gold-500)
  );
}

.circle-card__label{
  color:var(--gold-700);
  font-size:.7rem;
  font-weight:900;
}

.circle-card__title{
  margin:5px 0 0;
  color:var(--green-950);
  font-size:1.12rem;
  line-height:1.45;
  font-weight:900;
}

.circle-card__teacher{
  margin-top:7px;
  color:var(--muted);
  font-size:.82rem;
}

.circle-card__action{
  margin-top:auto;
  padding-top:20px;
}

.circle-card__action .btn{
  width:100%;
}

.home-empty{
  padding:42px 24px;
  border:1px dashed #d8d1c5;
  border-radius:var(--radius-lg);
  background:#fff;
  color:var(--muted);
  text-align:center;
  box-shadow:var(--shadow-sm);
}

.home-empty strong{
  display:block;
  margin-bottom:5px;
  color:var(--green-900);
}

@media (max-width:720px){
  .home-hero{
    padding:25px 19px;
  }

  .home-hero::after{
    left:-10px;
    font-size:5rem;
  }

  .circle-grid{
    grid-template-columns:1fr;
  }

  .circle-card{
    min-height:175px;
  }
}