/* FitTracker — Public CSS — Graphite Theme */

/* ── Reset ──────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ── Variables ──────────────────────────────── */
:root {
    --accent:        #e8861a;
    --accent-dark:   #c97015;
    --accent-light:  #3a2e1a;
    --bg:            #2d2d35;
    --surface:       #38383f;
    --surface-2:     #44444c;
    --border:        #55555e;
    --border-light:  #44444c;
    --text-primary:  #f0f0f0;
    --text-secondary:#a0a0aa;
    --text-muted:    #5a5a63;
    --success:       #34b87a;
    --error:         #e05252;
    --radius:        10px;
    --radius-lg:     14px;
    --shadow-sm:     0 1px 3px rgba(0,0,0,.25);
    --shadow-md:     0 4px 12px rgba(0,0,0,.35);
    --shadow-lg:     0 12px 32px rgba(0,0,0,.45);
    --nav-h:         58px;
    --font:          'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition:    all .18s ease;
}

/* ── Base ───────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

/* ════════════════════════════════════════════
   NAVIGATION
════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-h);
    background: rgba(45,45,53,.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* Brand */
.nav-brand a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -.2px;
}

.nav-brand-mark {
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
}

/* Nav links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
}

.nav-link {
    padding: 6px 12px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 7px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--surface-2);
}

.nav-link--active {
    color: var(--accent);
    background: var(--accent-light);
}

/* Dropdown */
.nav-dropdown { position: relative; }

.nav-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 7px;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition);
    white-space: nowrap;
    font-family: var(--font);
}

.nav-dropdown-btn:hover {
    color: var(--text-primary);
    background: var(--surface-2);
}

.nav-dropdown-btn svg { transition: transform .18s ease; }

.nav-dropdown:hover .nav-dropdown-btn svg,
.nav-dropdown--open .nav-dropdown-btn svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    min-width: 210px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: var(--transition);
    z-index: 200;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 8px 12px;
    font-size: 13.5px;
    color: var(--text-secondary);
    border-radius: 7px;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--surface-2);
    color: var(--text-primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

.dropdown-section-label {
    padding: 6px 12px 2px;
    font-size: 10px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .8px;
    display: block;
    opacity: 0.85;
}

/* Auth */
.nav-auth {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.btn-login {
    padding: 6px 14px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 7px;
    transition: var(--transition);
}

.btn-login:hover {
    color: var(--text-primary);
    background: var(--surface-2);
}

.btn-register {
    padding: 6px 16px;
    font-size: 13.5px;
    font-weight: 600;
    color: white;
    background: var(--accent);
    border-radius: 7px;
    transition: var(--transition);
}

.btn-register:hover { background: var(--accent-dark); }

/* Language switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: 8px;
    padding-left: 10px;
    border-left: 1px solid var(--border);
}

.lang-btn {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 3px 6px;
    border-radius: 5px;
    transition: background 0.15s ease, color 0.15s ease;
    letter-spacing: 0.3px;
}

.lang-btn:hover {
    background: var(--surface-2);
    color: var(--text-primary);
}

.lang-btn--active {
    background: var(--accent);
    color: #fff;
}

.lang-btn--active:hover {
    background: var(--accent-dark);
    color: #fff;
}

/* Mobile hamburger */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    border-radius: 8px;
    padding: 6px;
    transition: var(--transition);
    border: none;
    background: none;
}

.mobile-menu-toggle:hover { background: var(--surface-2); }

.mobile-menu-toggle span {
    width: 18px;
    height: 1.5px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: var(--transition);
    display: block;
}

.navbar.mobile-open .mobile-menu-toggle span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.navbar.mobile-open .mobile-menu-toggle span:nth-child(2) { opacity: 0; }
.navbar.mobile-open .mobile-menu-toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ════════════════════════════════════════════
   MAIN CONTENT OFFSET
════════════════════════════════════════════ */
.main-content {
    padding-top: var(--nav-h);
    min-height: 100vh;
}

/* ════════════════════════════════════════════
   BUTTONS
════════════════════════════════════════════ */
.btn-primary {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    color: white;
    background: var(--accent);
    border-radius: 8px;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-family: var(--font);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(232,134,26,.35);
}

.btn-secondary {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    font-family: var(--font);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
    background: var(--surface);
}

/* ════════════════════════════════════════════
   HOME PAGE
════════════════════════════════════════════ */
.home-page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

/* ── Hero ─────────────────────────────────── */
.hero {
    padding: 72px 0 64px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    max-width: 640px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--accent-light);
    border: 1px solid rgba(232,134,26,.3);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: .3px;
}

.hero h1 {
    font-size: clamp(1.9rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -.5px;
    color: var(--text-primary);
}

.hero h1 span { color: var(--accent); }

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
}

/* ── Section header ───────────────────────── */
.section-header {
    margin-bottom: 24px;
}

.section-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
    display: block;
}

.section-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -.2px;
}

.section-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 6px;
    line-height: 1.6;
}

/* ── Audience blocks ──────────────────────── */
.audience-block {
    margin-bottom: 56px;
}

.audience-block__header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.audience-block__icon {
    width: 44px;
    height: 44px;
    background: var(--accent-light);
    border: 1px solid rgba(232,134,26,.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.audience-block__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -.2px;
}

.audience-block__subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.fcard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.fcard {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: var(--transition);
    position: relative;
}

.fcard:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.fcard__icon {
    width: 36px;
    height: 36px;
    background: var(--accent-light);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    margin-bottom: 4px;
}

.fcard__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.fcard__desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.55;
    flex: 1;
}

/* ── Calculators strip ────────────────────── */
.calc-strip {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
    text-align: center;
}

.calc-strip__text h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.calc-strip__text p {
    font-size: 13px;
    color: var(--text-secondary);
}

.calc-strip__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.calc-chip {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-light);
    border: 1px solid rgba(232,134,26,.2);
    border-radius: 20px;
    transition: var(--transition);
    white-space: nowrap;
}

.calc-chip:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ── CTA Banner ───────────────────────────── */
.cta-banner {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    padding-left: 4px;
    background: linear-gradient(
        to right,
        rgba(232,134,26,1) 0%,
        rgba(232,134,26,.3) 40%,
        rgba(232,134,26,.06) 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.cta-banner__text h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -.2px;
}

.cta-banner__text p {
    font-size: 14px;
    color: var(--text-secondary);
}

.cta-banner__actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

/* ════════════════════════════════════════════
   CALCULATORS INDEX PAGE
════════════════════════════════════════════ */
.calculators-page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.page-header {
    margin-bottom: 36px;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -.3px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.page-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 48px;
}

.calc-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow-sm);
}

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

.calc-card__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.calc-card__desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════ */
.public-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 28px 0;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.footer-brand {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-legal a {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-legal a:hover { color: var(--accent); }

.footer-sep {
    font-size: 13px;
    color: var(--text-muted);
    opacity: 0.4;
}

.footer-copy {
    font-size: 12px;
    color: var(--text-muted);
}

/* ════════════════════════════════════════════
   CONTENT PAGE (pricing, about)
════════════════════════════════════════════ */
.content-page {
    max-width: 860px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

/* ════════════════════════════════════════════
   MOBILE
════════════════════════════════════════════ */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        padding: 12px;
        flex-direction: column;
        gap: 2px;
        box-shadow: var(--shadow-md);
        z-index: 999;
    }

    .navbar.mobile-open .nav-links { display: flex; }
    .mobile-menu-toggle { display: flex; }

    .nav-auth {
        width: 100%;
        padding: 8px 0 4px;
        border-top: 1px solid var(--border);
        margin-top: 4px;
    }

    .nav-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 0 12px;
        background: transparent;
    }

    .nav-dropdown-btn {
        width: 100%;
        justify-content: space-between;
    }

    .hero { padding: 48px 0 40px; }
    .hero h1 { font-size: 1.75rem; }

    .fcard-grid { grid-template-columns: 1fr 1fr; }
    .calc-grid  { grid-template-columns: 1fr 1fr; }

    .calc-strip { padding: 20px; }

    .cta-banner {
        padding: 28px 24px;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .cta-banner__actions {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 560px) {
    .fcard-grid { grid-template-columns: 1fr; }
    .calc-grid  { grid-template-columns: 1fr; }

    .footer-container { gap: 10px; }
}

@media (max-width: 480px) {
    .home-page, .calculators-page, .content-page { padding-left: 16px; padding-right: 16px; }
    .nav-container { padding: 0 16px; }
    .hero { padding: 36px 0 32px; }
}

/* ════════════════════════════════════════════
   CALCULATOR PAGES — GRAPHITE OVERRIDES
════════════════════════════════════════════ */

/* Переопределяем glass-переменные */
.public-page {
    --glass-bg:     var(--surface);
    --glass-border: var(--border);
}

/* Основной контейнер */
.public-page .container {
    background: var(--surface) !important;
    border-color: var(--border) !important;
}

/* Заголовки — уже получают акцент через gradient clip, оставляем */

/* Subtitle и обычный текст */
.public-page .subtitle  { color: #f0f0f0 !important; }

/* Labels */
.public-page label { color: #c8ccd8 !important; }

/* section-title, measurement-guide текст */
.public-page .section-title { color: var(--text-primary) !important; }
.public-page .measurement-guide { 
    background: var(--accent-light) !important;
    border-color: rgba(232,134,26,.2) !important;
    border-radius: 14px !important;
    padding: 20px !important;
}

.public-page .measurement-guide h3 {
    color: var(--accent) !important;
    margin-bottom: 12px;
}

.public-page .measurement-guide p {
    color: #c8ccd8 !important;
}
.public-page .measurement-guide li { color: var(--text-secondary) !important; }

/* guide-notice */
.public-page .guide-notice {
    background: var(--accent-light) !important;
    border-color: rgba(232,134,26,.3) !important;
}
.public-page .guide-text h4 { color: var(--accent) !important; }

/* measurements-section */
.public-page .measurements-section {
    background: rgba(232,134,26,.05) !important;
    border-color: rgba(232,134,26,.12) !important;
}

/* Инпуты и селекты */
.public-page input[type="number"],
.public-page input[type="text"],
.public-page select {
    background: var(--surface-2) !important;
    color: #f0f0f0 !important;
    border: 2px solid #6a6a75 !important;
    color-scheme: dark;
}

.public-page input[type="number"]:focus,
.public-page input[type="text"]:focus,
.public-page select:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(232,134,26,.15) !important;
}

.public-page input[type="number"]:hover,
.public-page input[type="text"]:hover,
.public-page select:hover {
    border-color: #9a9aa5 !important;
}

.public-page input::placeholder { color: var(--text-muted) !important; }
/* instructions блок (body-fat-7site) */
.public-page .instructions {
    background: var(--accent-light) !important;
    border-color: rgba(232,134,26,.2) !important;
}
.public-page .instructions li {
    color: #c8ccd8 !important;
}

/* info-text блок (macros) */
.public-page .info-text {
    background: var(--accent-light) !important;
    border: 1px solid rgba(232,134,26,.2);
    color: #c8ccd8 !important;
}

/* placeholder — усиливаем специфичность */
.public-page input[type="number"]::placeholder,
.public-page input[type="text"]::placeholder,
.public-page input::placeholder {
    color: #7a7a85 !important;
    font-style: italic;
}
/* calorie-calculator — label span */
.public-page label span { color: var(--text-secondary) !important; }

/* wrist-ankle-guide */
.public-page .card-description p,
.public-page .step                 { color: #c8ccd8 !important; }
.public-page .step-num             { color: var(--accent) !important; }
.public-page .tip-box {
    background: var(--accent-light) !important;
    border-color: var(--accent) !important;
    color: #c8ccd8 !important;
}
.public-page .tip-box strong       { color: var(--text-primary) !important; }

/* skinfold-guide */
.public-page .card-title           { color: var(--text-primary) !important; }
.public-page .card-description     { color: #c8ccd8 !important; }
/* skinfold-guide + wrist-ankle-guide */

/* intro-text параграф */
.public-page .intro-text p { color: #c8ccd8 !important; }

/* measurement-card — убираем светлый фон card-image-fallback */
.public-page .card-image-fallback {
    background: var(--surface-2) !important;
}

/* card-illustration (wrist-ankle) — убираем светлый фон */
.public-page .card-illustration {
    background: var(--surface-2) !important;
    border-color: var(--border) !important;
}

/* measurement-card фон */
.public-page .measurement-card {
    background: var(--surface) !important;
    border-color: var(--border-light) !important;
}
/* skinfold-guide + wrist-ankle-guide — убираем видимые боковые полосы */
.public-page .guide-page {
    background: var(--surface);
}

.public-page .guide-page .container {
    padding-left: 16px !important;
    padding-right: 16px !important;
}

@media (min-width: 768px) {
    .public-page .guide-page .container {
        padding-left: 24px !important;
        padding-right: 24px !important;
    }
}
/* measurement-card — стиль бордера как у блоков приложения */
.public-page .measurement-card {
    border: 1px solid var(--border-light) !important;
    border-left: 3px solid var(--accent) !important;
    box-shadow: var(--shadow-sm) !important;
}

.public-page .measurement-card:hover {
    border-color: var(--accent) !important;
    border-left-color: var(--accent) !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-4px) !important;
}
/* ── Account deleted notice ──────────────────────────────────────── */
.account-deleted-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 600px;
    margin: 24px auto 0;
    padding: 14px 20px;
    background: rgba(76, 175, 80, 0.1);
    border: 1.5px solid rgba(76, 175, 80, 0.4);
    border-radius: 10px;
    font-size: 14px;
    color: #4caf50;
}