:root {
    --fitlink-navy-950: #171b2b;
    --fitlink-navy-900: #1e2235;
    --fitlink-navy-800: #2d3142;
    --fitlink-navy-700: #3d4258;
    --fitlink-acid: #c8f400;
    --fitlink-acid-dark: #a9cf00;
    --fitlink-bg: #f4f5f7;
    --fitlink-border: #e7e8ec;
    --fitlink-muted: #7e8392;
    --fitlink-text: #1e2235;
    --fitlink-radius: 4px;
    --fitlink-shadow: 0 18px 50px rgba(30, 34, 53, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--fitlink-text); background: var(--fitlink-bg); font-family: 'Nunito Sans', Arial, sans-serif; }
h1, h2, h3, h4, h5, h6, .heading-font { font-family: 'Oswald', Arial Narrow, sans-serif; text-transform: uppercase; letter-spacing: .02em; }
a { color: var(--fitlink-navy-800); }
a:hover { color: var(--fitlink-navy-950); }

.fitlink-wordmark { display: inline-flex; align-items: flex-start; font-family: 'Oswald', sans-serif; font-size: 26px; line-height: 1; font-weight: 700; letter-spacing: .04em; color: var(--fitlink-navy-900); }
.fitlink-wordmark i { width: 8px; height: 8px; background: var(--fitlink-acid); border-radius: 50%; margin: 0 2px 0 3px; }
.fitlink-wordmark-light { color: #fff; }
.fitlink-wordmark:hover { color: inherit; }
.text-acid { color: var(--fitlink-acid) !important; }

.btn { border-radius: 3px; font-weight: 800; letter-spacing: .02em; }
.btn-lg { padding: .82rem 1.45rem; font-size: .92rem; }
.btn-acid { --bs-btn-bg: var(--fitlink-acid); --bs-btn-border-color: var(--fitlink-acid); --bs-btn-color: var(--fitlink-navy-900); --bs-btn-hover-bg: #d7ff1f; --bs-btn-hover-border-color: #d7ff1f; --bs-btn-hover-color: var(--fitlink-navy-900); font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: .1em; }
.btn-outline-acid { --bs-btn-color: var(--fitlink-acid); --bs-btn-border-color: rgba(200,244,0,.55); --bs-btn-hover-bg: var(--fitlink-acid); --bs-btn-hover-border-color: var(--fitlink-acid); --bs-btn-hover-color: var(--fitlink-navy-900); padding-inline: 1.4rem; }
.btn-dark-fitlink { --bs-btn-bg: var(--fitlink-navy-900); --bs-btn-border-color: var(--fitlink-navy-900); --bs-btn-color: #fff; --bs-btn-hover-bg: var(--fitlink-navy-800); --bs-btn-hover-border-color: var(--fitlink-navy-800); --bs-btn-hover-color: var(--fitlink-acid); }
.btn-ghost-light { --bs-btn-bg: rgba(255,255,255,.05); --bs-btn-border-color: rgba(255,255,255,.18); --bs-btn-color: #fff; --bs-btn-hover-bg: rgba(255,255,255,.10); --bs-btn-hover-border-color: rgba(255,255,255,.28); --bs-btn-hover-color: #fff; font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: .1em; }
.btn-whatsapp { --bs-btn-bg: #25d366; --bs-btn-border-color: #25d366; --bs-btn-color: #092f18; --bs-btn-hover-bg: #1fbd59; --bs-btn-hover-border-color: #1fbd59; --bs-btn-hover-color: #061f10; }

.form-label { font-size: .82rem; font-weight: 800; color: var(--fitlink-navy-800); }
.form-control, .form-select { min-height: 48px; border: 1px solid #dfe1e7; border-radius: 3px; font-size: .95rem; }
.form-control:focus, .form-select:focus { border-color: var(--fitlink-acid-dark); box-shadow: 0 0 0 .22rem rgba(200,244,0,.18); }
.form-check-input:checked { background-color: var(--fitlink-navy-900); border-color: var(--fitlink-navy-900); }
.form-text { color: #9297a5; }

/* Public website */
.fitlink-navbar { height: 66px; background: var(--fitlink-navy-900); border-bottom: 1px solid rgba(255,255,255,.05); }
.fitlink-navbar .nav-link { color: rgba(255,255,255,.52); font-size: .82rem; font-weight: 700; }
.fitlink-navbar .nav-link:hover { color: #fff; }
.fitlink-navbar .navbar-toggler-icon { filter: invert(1); }
.fitlink-hero { min-height: 610px; position: relative; overflow: hidden; color: #fff; background: var(--fitlink-navy-800); padding: 84px 0 58px; border-left: 4px solid var(--fitlink-acid); }
.hero-grid { position: absolute; inset: 0; opacity: .045; background-image: linear-gradient(rgba(200,244,0,.8) 1px, transparent 1px), linear-gradient(90deg, rgba(200,244,0,.8) 1px, transparent 1px); background-size: 40px 40px; pointer-events: none; }
.section-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; color: var(--fitlink-acid); font-size: .69rem; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.section-kicker span { width: 28px; height: 1px; background: var(--fitlink-acid); }
.section-kicker-dark { color: var(--fitlink-navy-800); }
.fitlink-hero h1 { margin: 0 0 24px; font-size: clamp(3.2rem, 6.2vw, 5.4rem); line-height: .98; font-weight: 700; }
.fitlink-hero h1 em, .dark-section h2 em, .public-cta h2 em, .auth-side-panel h2 em { color: var(--fitlink-acid); font-style: normal; }
.hero-copy { max-width: 650px; margin-bottom: 38px; color: rgba(255,255,255,.48); font-size: 1rem; line-height: 1.85; }
.portal-preview { position: relative; max-width: 610px; margin-left: auto; padding: 28px; background: #252a3d; border: 1px solid rgba(200,244,0,.10); border-radius: 4px; box-shadow: 0 32px 70px rgba(10,13,24,.30); }
.portal-preview::before { content: ''; position: absolute; inset: 0 0 auto; height: 3px; background: var(--fitlink-acid); }
.portal-preview-head { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.07); }
.portal-preview-head strong { font-family: 'Oswald'; font-size: 1rem; text-transform: uppercase; letter-spacing: .06em; }
.preview-label { color: rgba(255,255,255,.26); font-size: .65rem; margin-bottom: 4px; }
.live-pill { display: flex; align-items: center; gap: 7px; color: var(--fitlink-acid); border: 1px solid rgba(200,244,0,.2); padding: 5px 10px; border-radius: 2px; font-size: .6rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.live-pill i { width: 6px; height: 6px; background: var(--fitlink-acid); border-radius: 50%; }
.preview-stat { padding: 13px 8px; text-align: center; background: var(--fitlink-navy-900); border-radius: 3px; }
.preview-stat strong { display: block; color: #fff; font-family: 'Oswald'; font-size: 1.55rem; }
.preview-stat span { color: rgba(255,255,255,.25); font-size: .54rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.preview-table { overflow: hidden; background: var(--fitlink-navy-900); border-radius: 3px; }
.preview-row { display: grid; grid-template-columns: 1.35fr 1fr .7fr; gap: 10px; padding: 11px 14px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.04); font-size: .72rem; }
.preview-row:last-child { border-bottom: 0; }
.preview-row-head { color: rgba(255,255,255,.22); font-size: .54rem; font-weight: 800; text-transform: uppercase; letter-spacing: .13em; }
.status-dot { color: var(--fitlink-acid); }
.status-pending { color: #f4c95d; }
.preview-notice { margin-top: 14px; padding: 10px 14px; color: rgba(255,255,255,.44); background: rgba(200,244,0,.06); border: 1px solid rgba(200,244,0,.14); font-size: .68rem; }
.hero-metrics { position: relative; border-top: 1px solid rgba(255,255,255,.08); }
.hero-metrics > div > div { min-height: 100px; padding: 30px 26px; border-right: 1px solid rgba(255,255,255,.08); }
.hero-metrics > div:last-child > div { border-right: 0; }
.hero-metrics strong { display: block; color: var(--fitlink-acid); font-family: 'Oswald'; font-size: 2.2rem; line-height: 1; }
.hero-metrics span { display: block; margin-top: 7px; color: rgba(255,255,255,.27); font-size: .62rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.public-section { padding: 80px 0; }
.section-heading { max-width: 660px; }
.section-heading h2, .public-dark-title { font-size: clamp(2.25rem, 4vw, 3.2rem); color: var(--fitlink-navy-900); font-weight: 700; }
.section-heading p, .public-copy { color: #8c919e; line-height: 1.85; }
.module-card { position: relative; overflow: hidden; padding: 40px; border-radius: 4px; border-top: 3px solid var(--fitlink-acid); }
.module-card h3 { margin: 16px 0; font-size: 1.8rem; }
.module-card p { line-height: 1.8; font-size: .88rem; }
.light-card { background: #f8f9fc; border-right: 1px solid #eee; border-bottom: 1px solid #eee; border-left: 1px solid #eee; }
.light-card p { color: #858a98; }
.dark-card { color: #fff; background: var(--fitlink-navy-800); }
.dark-card p { color: rgba(255,255,255,.45); }
.module-number { display: inline-block; padding: 5px 12px; color: var(--fitlink-acid); background: var(--fitlink-navy-800); font-family: 'Oswald'; font-size: .65rem; letter-spacing: .18em; text-transform: uppercase; }
.dark-card .module-number { background: rgba(200,244,0,.10); border: 1px solid rgba(200,244,0,.18); }
.feature-list { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 12px; }
.feature-list li { position: relative; padding-left: 32px; font-size: .82rem; font-weight: 700; }
.feature-list li::before { content: '✓'; position: absolute; left: 0; top: -1px; width: 20px; height: 20px; display: grid; place-items: center; color: var(--fitlink-acid); background: var(--fitlink-navy-800); border-radius: 2px; }
.dark-card .feature-list li { color: rgba(255,255,255,.6); }
.dark-card .feature-list li::before { background: rgba(200,244,0,.10); border: 1px solid rgba(200,244,0,.20); }
.dark-section { color: #fff; background: var(--fitlink-navy-900); }
.dark-section h2 { font-size: clamp(2.7rem, 5vw, 4rem); line-height: 1.03; }
.dark-section p { color: rgba(255,255,255,.42); line-height: 1.85; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.feature-tile { padding: 26px; background: #252a3d; border: 1px solid rgba(200,244,0,.08); border-radius: 4px; }
.feature-tile span { color: var(--fitlink-acid); font-family: 'Oswald'; font-size: .7rem; letter-spacing: .14em; }
.feature-tile strong { display: block; margin: 10px 0 5px; font-family: 'Oswald'; font-size: 1.35rem; text-transform: uppercase; }
.feature-tile p { margin: 0; font-size: .78rem; }
.verification-flow { padding: 34px; background: #fff; border: 1px solid var(--fitlink-border); border-top: 3px solid var(--fitlink-acid); box-shadow: var(--fitlink-shadow); }
.flow-step { display: flex; align-items: center; gap: 18px; }
.flow-step > span { flex: 0 0 42px; width: 42px; height: 42px; display: grid; place-items: center; color: var(--fitlink-acid); background: var(--fitlink-navy-800); border-radius: 3px; font-family: 'Oswald'; font-weight: 700; }
.flow-step strong, .flow-step small { display: block; }
.flow-step strong { font-family: 'Oswald'; text-transform: uppercase; letter-spacing: .04em; }
.flow-step small { color: #9499a6; margin-top: 3px; }
.flow-step.complete > span { color: var(--fitlink-navy-900); background: var(--fitlink-acid); }
.flow-line { width: 1px; height: 28px; margin-left: 21px; background: #dcdee4; }
.public-cta { position: relative; overflow: hidden; padding: 75px 0; color: #fff; background: var(--fitlink-navy-800); border-top: 3px solid var(--fitlink-acid); border-bottom: 3px solid var(--fitlink-acid); }
.public-cta h2 { font-size: clamp(2.5rem, 5vw, 4rem); }
.public-cta p { max-width: 600px; margin: 0 auto 34px; color: rgba(255,255,255,.38); }
.fitlink-footer { padding: 30px 0; color: rgba(255,255,255,.18); background: var(--fitlink-navy-900); }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { color: rgba(255,255,255,.25); text-decoration: none; font-size: .72rem; font-weight: 700; }
.footer-links a:hover { color: var(--fitlink-acid); }

/* Authentication */
.guest-body { min-height: 100vh; background: radial-gradient(circle at 8% 10%, rgba(200,244,0,.13), transparent 24%), var(--fitlink-bg); }
.auth-alert { max-width: 720px; border-radius: 3px; }
.auth-page-row { min-height: calc(100vh - 150px); }
.auth-card, .portal-card, .tenant-choice, .panel-card, .metric-card { background: #fff; border: 1px solid var(--fitlink-border); border-radius: var(--fitlink-radius); box-shadow: var(--fitlink-shadow); }
.auth-card { padding: clamp(1.6rem, 5vw, 2.7rem); border-top: 3px solid var(--fitlink-acid); }
.auth-title { color: var(--fitlink-navy-900); font-weight: 700; }
.auth-side-panel { min-height: 520px; padding: 48px; color: #fff; background: var(--fitlink-navy-800); border-left: 4px solid var(--fitlink-acid); display: flex; flex-direction: column; justify-content: center; }
.auth-side-panel h2 { margin-bottom: 20px; font-size: 3.2rem; line-height: 1.02; }
.auth-side-panel p { color: rgba(255,255,255,.46); line-height: 1.8; }
.auth-proof { display: flex; align-items: center; gap: 12px; margin-top: 14px; color: rgba(255,255,255,.62); font-size: .82rem; font-weight: 700; }
.auth-proof span { width: 26px; height: 26px; display: grid; place-items: center; color: var(--fitlink-acid); background: rgba(200,244,0,.10); border: 1px solid rgba(200,244,0,.22); border-radius: 2px; }
.auth-separator { display: flex; align-items: center; gap: 10px; margin: 24px 0 14px; color: #a0a4af; font-size: .72rem; }
.auth-separator::before, .auth-separator::after { content: ''; flex: 1; height: 1px; background: #eceef2; }
.portal-card { position: relative; padding: 34px; border-top: 3px solid var(--fitlink-acid); transition: transform .2s ease, box-shadow .2s ease; }
.portal-card:hover { transform: translateY(-5px); box-shadow: 0 24px 55px rgba(30,34,53,.15); }
.portal-card h2 { color: var(--fitlink-navy-900); font-size: 1.65rem; }
.portal-card p { min-height: 72px; color: #858a98; line-height: 1.7; }
.portal-card strong { color: var(--fitlink-navy-800); font-family: 'Oswald'; text-transform: uppercase; letter-spacing: .08em; }
.portal-number { display: inline-block; margin-bottom: 26px; padding: 5px 11px; color: var(--fitlink-acid); background: var(--fitlink-navy-800); font-family: 'Oswald'; font-size: .68rem; }
.portal-card-dark { color: #fff; background: var(--fitlink-navy-800); border-color: var(--fitlink-navy-800); border-top-color: var(--fitlink-acid); }
.portal-card-dark h2, .portal-card-dark strong { color: #fff; }
.portal-card-dark p { color: rgba(255,255,255,.46); }
.portal-card-dark strong { color: var(--fitlink-acid); }
.verification-icon { width: 62px; height: 62px; margin: 0 auto 24px; display: grid; place-items: center; color: var(--fitlink-acid); background: var(--fitlink-navy-800); border-radius: 3px; font-family: 'Oswald'; font-size: 1.2rem; font-weight: 700; }
.verification-note { padding: 13px 15px; color: #777c89; background: #f7f8fa; border: 1px solid #eceef2; font-size: .78rem; }
.whatsapp-verify-box { padding: 24px; background: #f8f9fb; border: 1px solid #e7e9ee; }
.whatsapp-verify-box li { margin-bottom: 9px; color: #646977; font-size: .84rem; }
.tenant-choice { display: flex; align-items: center; gap: 1rem; padding: 1.15rem; cursor: pointer; transition: border-color .2s ease, transform .2s ease; }
.tenant-choice:hover { border-color: var(--fitlink-acid-dark); transform: translateY(-2px); }
.tenant-logo { width: 3rem; height: 3rem; border-radius: 3px; display: grid; place-items: center; background: var(--tenant-color); color: #fff; font-weight: 800; flex: 0 0 auto; }

/* Application portal */
.app-body { background: var(--fitlink-bg); }
.app-shell { min-height: 100vh; display: flex; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 270px; padding: 1.5rem; background: var(--fitlink-navy-900); color: #fff; z-index: 1000; border-right: 1px solid rgba(255,255,255,.04); }
.tenant-block { margin-top: 2.5rem; padding: 1rem; border: 1px solid rgba(200,244,0,.12); border-radius: 3px; background: rgba(200,244,0,.04); }
.sidebar .nav-link { color: rgba(255,255,255,.56); border-radius: 3px; padding: .76rem 1rem; font-size: .86rem; font-weight: 700; }
.sidebar .nav-link:hover, .sidebar .nav-link.active { color: var(--fitlink-navy-900); background: var(--fitlink-acid); }
.sidebar .nav-link.disabled { opacity: .32; }
.main-panel { width: 100%; min-width: 0; }
.topbar { height: 76px; padding: 0 clamp(1rem, 4vw, 2.5rem); display: flex; align-items: center; justify-content: flex-end; gap: 1rem; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--fitlink-border); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 900; }
.avatar { width: 2.6rem; height: 2.6rem; display: grid; place-items: center; border-radius: 3px; background: var(--fitlink-navy-800); color: var(--fitlink-acid); font-family: 'Oswald'; font-weight: 800; }
.content-wrap { padding: clamp(1rem, 4vw, 2.5rem); max-width: 1600px; margin: 0 auto; }
.metric-card, .panel-card { padding: 1.4rem; }
.metric-card { border-top: 3px solid var(--fitlink-acid); }
.metric-label { color: var(--fitlink-muted); font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .10em; }
.metric-value { margin-top: .7rem; color: var(--fitlink-navy-900); font-family: 'Oswald'; font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; letter-spacing: -.02em; }
.metric-foot { display: block; color: var(--fitlink-muted); font-size: .78rem; margin-top: .35rem; }
.hero-card { padding: clamp(1.5rem, 4vw, 2.3rem); border-radius: 4px; color: #fff; background: var(--fitlink-navy-800); border-left: 4px solid var(--fitlink-acid); box-shadow: 0 18px 40px rgba(16,24,40,.18); }
.eyebrow { color: var(--fitlink-acid); font-size: .68rem; text-transform: uppercase; letter-spacing: .15em; font-weight: 800; margin-bottom: 1rem; }
.table > :not(caption) > * > * { padding: .95rem .75rem; border-bottom-color: #eef1f4; }
.table thead th { color: var(--fitlink-muted); font-size: .66rem; text-transform: uppercase; letter-spacing: .10em; }
.roadmap-list { display: grid; gap: 1.15rem; }
.roadmap-list > div { display: grid; grid-template-columns: 2.4rem 1fr; column-gap: 1rem; }
.roadmap-list span { grid-row: 1 / span 2; width: 2.4rem; height: 2.4rem; border-radius: 3px; display: grid; place-items: center; background: var(--fitlink-navy-800); color: var(--fitlink-acid); font-family: 'Oswald'; font-weight: 800; }
.roadmap-list strong { align-self: end; }
.roadmap-list small { color: var(--fitlink-muted); }

@media (min-width: 992px) { .main-panel { margin-left: 270px; } }
@media (max-width: 991.98px) {
    .fitlink-navbar { height: auto; min-height: 66px; }
    .fitlink-navbar .navbar-collapse { background: var(--fitlink-navy-900); }
    .fitlink-hero { padding-top: 64px; }
    .portal-preview { margin: 0; }
    .hero-metrics > div > div { border-bottom: 1px solid rgba(255,255,255,.08); }
}
@media (max-width: 767.98px) {
    .fitlink-hero { border-left-width: 3px; }
    .public-section { padding: 58px 0; }
    .module-card { padding: 28px; }
    .feature-grid { grid-template-columns: 1fr; }
    .hero-metrics > div > div { padding: 22px 14px; }
    .hero-metrics strong { font-size: 1.8rem; }
    .preview-row { grid-template-columns: 1.25fr .9fr .65fr; font-size: .65rem; }
    .auth-card { padding: 1.5rem; }
}

/* WhatsApp verification button + QR flow */
.whatsapp-verification-card { max-width: 980px; margin-inline: auto; }
.whatsapp-verify-box { padding: clamp(1rem, 3vw, 1.75rem); }
.verification-method {
    padding: 1.35rem;
    border: 1px solid #e3e6ec;
    border-top: 3px solid var(--fitlink-acid);
    border-radius: 4px;
    background: #fff;
}
.verification-method-label {
    display: inline-block;
    margin-bottom: .8rem;
    padding: .28rem .6rem;
    color: var(--fitlink-acid);
    background: var(--fitlink-navy-800);
    border-radius: 2px;
    font-family: 'Oswald', sans-serif;
    font-size: .66rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.whatsapp-qr {
    min-height: 236px;
    display: grid;
    place-items: center;
    padding: 8px;
    background: #fff;
}
.whatsapp-qr img,
.whatsapp-qr canvas {
    display: block;
    width: min(220px, 100%) !important;
    height: auto !important;
    max-width: 100%;
}
.verification-message-wrap {
    padding: 1rem;
    border: 1px solid #e3e6ec;
    border-radius: 4px;
    background: #fff;
}
.verification-message {
    display: block;
    width: 100%;
    overflow-wrap: anywhere;
    padding: .85rem 1rem;
    color: var(--fitlink-navy-900);
    background: #f4f5f7;
    border-radius: 3px;
    font-size: .88rem;
    letter-spacing: .03em;
    text-align: center;
}
.btn.disabled[aria-disabled="true"] { pointer-events: none; opacity: .55; }

@media (max-width: 575.98px) {
    .whatsapp-verify-box { padding: .85rem; }
    .verification-method { padding: 1rem; }
    .whatsapp-qr { min-height: 210px; }
}