:root{
  --accent: #0f6a94;
  --accent-2: #06b6d4;
  --accent-3: #16a34a;
  --ok: #16a34a;
  --bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --muted-2: #9ca3af;
  --danger: #b91c1c;
  --border: #e5e7eb;
  --shadow: 0 8px 20px rgba(15,106,148,.08);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1100px;
  --gap: 16px;
}

html,body{background:var(--bg); color:var(--text); font-family: system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif; margin:0;}
.container{max-width:var(--container); margin-inline:auto; padding: 24px 16px;}

/* Header */
.site-header{background:#fff;}
.header__row{display:flex; align-items:center; justify-content:space-between; gap:12px; padding: 12px 0;}
.brand{display:flex; align-items:center; gap:10px; color:var(--accent); font-weight:800; letter-spacing:.3px; text-decoration:none;}
.brand__logo{width:28px; height:28px; display:grid; place-items:center; border-radius:8px; background:linear-gradient(135deg, var(--accent), var(--accent-2)); color:#fff}
.nav{display:flex; gap:18px}
.nav a{color:#334155; text-decoration:none; font-weight:600}
.nav a:hover{color:var(--accent)}

/* Hero */
.hero{padding: 28px 0 8px;}
.hero__title{font-size: clamp(24px, 3.4vw, 40px); line-height:1.1; margin:0 0 8px;}
.hero__lead{color:var(--muted); margin:0 0 18px; font-size: clamp(14px, 2.4vw, 18px);}
.btn{display:inline-flex; align-items:center; gap:10px; border:1px solid transparent; background:var(--accent); color:#fff; padding:12px 18px; border-radius: 999px; text-decoration:none; font-weight:600; cursor:pointer;}
.btn:focus-visible{outline:2px solid var(--accent); outline-offset:2px;}
.link{color:var(--accent); text-decoration:none; font-weight:600}

/* Sticky Tabs */
.tabs{position: sticky; top:0; z-index:4; background:#fff; padding:12px 0 14px;}
.tabs__row{display:grid; grid-template-columns: 1fr 1fr; gap: var(--gap);}
.tabs__btn{display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; gap:8px; padding:18px; border-radius: var(--radius); background:#f9fafb; border:none; color:#0f172a; font-weight:800; cursor:pointer; transition: transform .06s ease, box-shadow .2s ease, background .2s ease; min-height:110px;}
.tabs__btn[aria-selected="true"]{background:linear-gradient(90deg, var(--accent), var(--accent-2)); color:#fff; box-shadow:0 6px 16px rgba(15,106,148,.25);} 
.tabs__btn:active{transform: scale(.99);} 
.tabs__btn i{font-size:40px;}

/* Terms Preview */
.terms{padding: 18px 0 6px;}
.terms__grid{display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--gap);} 
@media (min-width: 900px){ .terms__grid{grid-template-columns: repeat(3, minmax(0,1fr));} }
.terms__item{display:flex; gap:14px; border:none; border-radius: var(--radius-sm); padding:14px 12px; background: linear-gradient(135deg, rgba(15,106,148,.06), rgba(6,182,212,.06));}
.terms__icon{width:56px; height:56px; display:grid; place-items:center; border-radius:14px; background:#fff; color:var(--accent); box-shadow:0 6px 14px rgba(15,106,148,.10)}
.terms__text{font-size:14px;}
.terms__title{font-weight:700; margin:0 0 4px; font-size:14px}
.terms__desc{margin:0; color:var(--muted); line-height:1.35}

/* Accordion */
details.accordion{border:none; border-radius: var(--radius); padding:12px 14px; background:#f8fafc; box-shadow:none;}
details.accordion > summary{cursor:pointer; font-weight:700; list-style:none;}
details.accordion[open]{background:#f8fafc;}
details.accordion summary::-webkit-details-marker{display:none}
.accordion__content{padding-top:10px; color:#111827}
.accordion__content li{margin: 6px 0}

/* Main */
.main{display:grid; gap: 20px; grid-template-columns: 1fr; align-items:start; margin-top: 8px;}
@media (min-width: 980px){ .main{grid-template-columns: minmax(0, 1fr) 420px;} }

/* Form */
.card{border:1px solid var(--border); border-radius: var(--radius); background:#fff; box-shadow: var(--shadow);}
.card__header{display:flex; align-items:center; justify-content:space-between; gap: 12px; padding: 14px 16px; border-bottom:1px solid var(--border)}
.card__title{margin:0; font-size: 18px}
.card__body{padding: 16px}

.grid{display:grid; gap: 12px}
.grid--2{grid-template-columns: 1fr}
@media (min-width: 700px){.grid--2{grid-template-columns: 1fr 1fr}}

.field{display:grid; gap: 6px}
.label{font-weight:600; font-size: 14px}
.help{font-size: 12px; color: var(--muted-2)}
.input, .select, .textarea{padding: 12px 12px; border:1px solid var(--border); border-radius: 10px; font: inherit; background:#fff}
.textarea{min-height: 92px; resize: vertical}

.slot-list{display:flex; flex-wrap:wrap; gap:8px; margin-top: 6px}
.slot{padding: 10px 12px; border:1px solid var(--border); border-radius: 999px; background:#f8fafc; cursor:pointer; font-weight:600}
.slot[aria-pressed="true"]{background:#dbeafe; border-color:#93c5fd; color:#1e3a8a}
.slot[disabled]{opacity:.45; cursor:not-allowed;}

.badges{display:flex; gap:8px; flex-wrap:wrap}
.badge{border:1px solid var(--border); background:#f9fafb; border-radius: 999px; padding: 4px 10px; font-size: 12px; color:#374151}
.badge--danger{border-color:#fecaca; background:#fef2f2; color:#7f1d1d}

.fee{display:flex; align-items:center; justify-content:space-between; margin-top: 10px; padding-top: 10px; border-top:1px dashed var(--border)}
.fee__amount{font-weight:800; font-size: 20px}

.actions{display:flex; align-items:center; justify-content:space-between; gap: 12px; margin-top: 14px}
.actions .agree{display:flex; align-items:flex-start; gap:8px; font-size: 14px}

.note{font-size: 12px; color: var(--muted)}
.error{color:var(--danger); font-weight:600}
.success{color:var(--ok); font-weight:700}

/* Steps */
.steps{position:sticky; top:86px}
.step{display:grid; grid-template-columns: 50px 1fr; gap:14px; margin:12px 0}
.step__icon{width:50px; height:50px; display:grid; place-items:center; border-radius:16px; background:linear-gradient(135deg, rgba(15,106,148,.10), rgba(6,182,212,.10)); color:var(--accent); box-shadow:0 6px 14px rgba(15,106,148,.10)}
.step__title{margin:0 0 4px; font-weight:700}
.step__desc{margin:0; color:var(--muted); font-size:14px}

/* Footer */
footer{border-top:1px solid var(--border); margin-top: 24px}
.foot{display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px; padding: 16px 0}

/* Utility */
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* User calendar styles (matching the admin look) */
.card__calendar { border:1px solid var(--border); border-radius: var(--radius); padding:12px; box-shadow: var(--shadow); margin-bottom:10px; }
.cal__head{display:flex; align-items:center; justify-content:space-between; margin-bottom:10px}
.cal__title{font-weight:700; color:#475569}
.cal__nav{display:flex; gap:6px}
.cal__btn{border:1px solid var(--border); background:#fff; border-radius:10px; padding:6px 10px; cursor:pointer}
.cal__btn:hover{box-shadow:0 6px 16px rgba(15,106,148,.10)}
.cal__grid{display:grid; grid-template-columns: repeat(7,1fr); gap:10px}
.cal__dow{color:#64748b; font-weight:700; margin-bottom:6px}
.cal__day{position:relative; border:1px solid var(--border); border-radius:12px; background:#fff; height:70px; padding:8px; text-align:right; cursor:pointer; transition:box-shadow .2s, transform .08s}
.cal__day:hover{transform:translateY(-1px); box-shadow:0 10px 16px rgba(15,106,148,.10)}
.cal__day.is-other{opacity:.5}
.cal__day.is-today{box-shadow:0 0 0 3px rgba(15,106,148,.25) inset}
.cal__day.is-selected{border-color:#93c5fd; background:#eff6ff}
.cal__day.is-disabled{background:#f8fafc; color:#94a3b8; cursor:not-allowed}
.cal__day.is-blocked{background:#fee2e2; border-color:#fecaca; color:#7f1d1d}
.cal__num{font-weight:800; font-size:16px}

.slot--disabled{opacity:.5; cursor:not-allowed}
.error-text{color:#b91c1c; font-size:12px; margin-top:4px}
.input--error{border-color:#fecaca; background:#fff1f2}


/* Errors UI */
.input.invalid, .select.invalid, .textarea.invalid { border-color:#fecaca !important; background:#fff1f2 !important; }
.error-text{ color:#b91c1c; font-size:12px; margin-top:4px; line-height:1.2; }

/* Modal */
.modal{position:fixed; inset:0; display:flex; align-items:center; justify-content:center; z-index:50;}
.modal.hidden{display:none;}
.modal__backdrop{position:absolute; inset:0; background:rgba(0,0,0,.45);}
.modal__card{position:relative; background:#fff; border-radius:16px; width:min(560px, 92vw); box-shadow:0 20px 60px rgba(0,0,0,.25); padding:22px;}
.modal__close{position:absolute; top:10px; right:10px; border:none; background:#f3f4f6; width:36px; height:36px; border-radius:999px; cursor:pointer;}
.modal__body h3{margin:0 0 8px;}
.modal__body p{margin:8px 0;}
.modal__actions{display:flex; justify-content:flex-end; margin-top:16px;}
/* Booked slot (disabled in red) */
.slot.slot--booked{
  border-color:#fca5a5;
  background:#fee2e2;
  color:#7f1d1d;
}
.slot.slot--booked[disabled]{
  opacity:1; /* keep red vivid, not faded */
  cursor:not-allowed;
}

/* Errors UI (keep from before; included for completeness) */
.input.invalid, .select.invalid, .textarea.invalid { border-color:#fecaca !important; background:#fff1f2 !important; }
.error-text{ color:#b91c1c; font-size:12px; margin-top:4px; line-height:1.2; }

/* Calendar, modal, etc... (keep your existing rules) */