/* TeleClinic UK — Ultra-White Design System */
:root {
    --white: #ffffff;
    --black: #0a0a0a;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #ebebeb;
    --gray-300: #d6d6d6;
    --gray-500: #737373;
    --gray-700: #404040;
    --accent: #000000;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
    --max-w: 1140px;
    --transition: .18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--white); color: var(--black); line-height: 1.6; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--sm { padding: 48px 0; }
.section--lg { padding: 120px 0; }

.nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--gray-200);
}
.nav__inner {
    max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav__logo { font-size: 13px; font-weight: 700; letter-spacing: -.3px; color: var(--black); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.nav__logo span { opacity: .4; font-weight: 400; }
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__link { color: var(--gray-700); text-decoration: none; font-size: 14px; font-weight: 500; transition: color var(--transition); }
.nav__link:hover { color: var(--black); }
.nav__cta { background: var(--black); color: var(--white); padding: 9px 20px; border-radius: var(--radius); font-size: 14px; font-weight: 600; text-decoration: none; transition: opacity var(--transition); }
.nav__cta:hover { opacity: .85; }

.hero { padding: 100px 0 80px; background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%); border-bottom: 1px solid var(--gray-200); }
.hero__tag { display: inline-flex; align-items: center; gap: 6px; background: var(--black); color: var(--white); font-size: 11px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; padding: 5px 12px; border-radius: 40px; margin-bottom: 28px; }
.hero__tag::before { content: ''; width: 6px; height: 6px; background: #22c55e; border-radius: 50%; display: inline-block; }
.hero__title { font-size: clamp(36px, 5vw, 58px); font-weight: 800; letter-spacing: -1.5px; line-height: 1.1; max-width: 700px; margin-bottom: 24px; }
.hero__title em { font-style: normal; color: var(--gray-500); }
.hero__sub { font-size: 18px; color: var(--gray-700); max-width: 520px; margin-bottom: 48px; line-height: 1.7; }
.hero__actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.hero__legal { font-size: 12px; color: var(--gray-500); margin-top: 24px; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 24px; border-radius: var(--radius); font-size: 15px; font-weight: 600; text-decoration: none; cursor: pointer; border: none; transition: all var(--transition); }
.btn--primary { background: var(--black); color: var(--white); }
.btn--primary:hover { opacity: .85; transform: translateY(-1px); }
.btn--outline { background: transparent; color: var(--black); border: 1.5px solid var(--gray-300); }
.btn--outline:hover { border-color: var(--black); }
.btn--sm { padding: 9px 18px; font-size: 13px; }
.btn--lg { padding: 16px 32px; font-size: 16px; }

.trustbar { background: var(--gray-50); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); padding: 18px 0; }
.trustbar__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; }
.trustbar__item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray-700); font-weight: 500; }

.card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.card--hover { transition: all var(--transition); }
.card--hover:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: var(--gray-300); }

.doctor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.doctor-card { padding: 28px; }
.doctor-card__avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--gray-100); border: 2px solid var(--gray-200); margin-bottom: 16px; overflow: hidden; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 700; color: var(--gray-500); }
.doctor-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.doctor-card__name { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.doctor-card__spec { font-size: 13px; color: var(--gray-500); margin-bottom: 16px; }
.doctor-card__bio { font-size: 14px; color: var(--gray-700); line-height: 1.65; margin-bottom: 20px; }
.doctor-card__meta { display: flex; align-items: center; justify-content: space-between; padding-top: 20px; border-top: 1px solid var(--gray-100); }
.doctor-card__fee { font-size: 13px; }
.doctor-card__fee strong { font-size: 16px; }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 40px; font-size: 12px; font-weight: 600; }
.badge--green { background: #f0fdf4; color: #15803d; }
.badge--gray { background: var(--gray-100); color: var(--gray-500); }

.steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 32px; }
.step { text-align: center; padding: 0 16px; }
.step__num { width: 48px; height: 48px; border-radius: 50%; background: var(--black); color: var(--white); font-size: 18px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.step__title { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.step__desc { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

.form-card { max-width: 680px; margin: 0 auto; }
.form-step { display: none; }
.form-step.active { display: block; }
.form-progress { display: flex; gap: 8px; margin-bottom: 40px; }
.form-progress__dot { flex: 1; height: 3px; background: var(--gray-200); border-radius: 2px; transition: background var(--transition); }
.form-progress__dot.done { background: var(--black); }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-input, .form-textarea, .form-select { width: 100%; padding: 11px 14px; border: 1.5px solid var(--gray-200); border-radius: var(--radius); font-size: 15px; font-family: var(--font); color: var(--black); background: var(--white); transition: border-color var(--transition); outline: none; }
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--black); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 12px; color: var(--gray-500); margin-top: 4px; }

.doctor-radio { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin: 16px 0; }
.doctor-option input[type=radio] { position: absolute; opacity: 0; pointer-events: none; }
.doctor-option label { display: block; padding: 20px; border: 1.5px solid var(--gray-200); border-radius: var(--radius); cursor: pointer; transition: all var(--transition); }
.doctor-option input:checked + label { border-color: var(--black); background: var(--gray-50); }
.doctor-option label:hover { border-color: var(--gray-400); }

.sig-wrap { border: 1.5px solid var(--gray-200); border-radius: var(--radius); background: var(--white); position: relative; overflow: hidden; }
#sig-canvas { display: block; width: 100%; height: 200px; cursor: crosshair; touch-action: none; }
.sig-actions { padding: 12px 16px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 8px; }

.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-sidebar { background: var(--black); color: var(--white); padding: 32px 0; }
.admin-sidebar__logo { padding: 0 24px 32px; font-size: 15px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 16px; }
.admin-nav-link { display: flex; align-items: center; gap: 10px; padding: 10px 24px; font-size: 14px; color: rgba(255,255,255,.6); text-decoration: none; transition: all var(--transition); }
.admin-nav-link:hover, .admin-nav-link.active { color: var(--white); background: rgba(255,255,255,.08); }
.admin-main { padding: 40px; background: var(--gray-50); }
.admin-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.admin-title { font-size: 22px; font-weight: 800; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
th { background: var(--gray-50); font-size: 12px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; color: var(--gray-500); padding: 12px 16px; text-align: left; }
td { padding: 14px 16px; font-size: 14px; border-top: 1px solid var(--gray-100); }
tr:hover td { background: var(--gray-50); }

.status { padding: 3px 10px; border-radius: 40px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.status--pending { background: #fef9c3; color: #a16207; }
.status--reviewing { background: #dbeafe; color: #1d4ed8; }
.status--signed { background: #f0fdf4; color: #15803d; }
.status--dispatched { background: #f3e8ff; color: #7e22ce; }
.status--cancelled { background: #fee2e2; color: #b91c1c; }

.footer { background: var(--black); color: rgba(255,255,255,.5); padding: 48px 0 32px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer__brand { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.footer__desc { font-size: 13px; line-height: 1.7; }
.footer__heading { font-size: 12px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 16px; }
.footer__link { display: block; font-size: 13px; color: rgba(255,255,255,.5); text-decoration: none; margin-bottom: 8px; transition: color var(--transition); }
.footer__link:hover { color: var(--white); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; font-size: 12px; }
.footer__disclaimer { font-size: 11px; color: rgba(255,255,255,.3); margin-top: 8px; line-height: 1.6; }

.text-center { text-align: center; }
.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.text-gray { color: var(--gray-500); }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.mb-64 { margin-bottom: 64px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.fw-700 { font-weight: 700; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.hidden { display: none !important; }
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 14px; margin-bottom: 16px; }
.alert--success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.alert--error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

@media (max-width: 768px) {
    .nav__links { display: none; }
    .doctor-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .doctor-radio { grid-template-columns: 1fr; }
}

/* Non-BEM nav aliases */
.nav-inner { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { font-size: 13px; font-weight: 700; letter-spacing: -.3px; color: #0a0a0a; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: #404040; text-decoration: none; font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: #0a0a0a; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: #404040; margin-bottom: 6px; }
.form-input { width: 100%; padding: 11px 14px; border: 1.5px solid #e8e8e8; border-radius: 8px; font-size: 14px; font-family: inherit; outline: none; transition: border .18s; background: #fff; }
.form-input:focus { border-color: #0a0a0a; }