:root {
    --primary: #4e4f73;
    --primary-hover: #3b3d58;
    --primary-light: rgba(78, 79, 115, 0.08);
    --primary-border: rgba(78, 79, 115, 0.18);
    --primary-dark: #2a2c3e;

    --bg: #ffffff;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --text: #4e4f73;
    --text-light: #6c757d;
    --muted: rgba(78, 79, 115, 0.62);
    --border: rgba(78, 79, 115, 0.1);
    --success: #2d7d5f;
    --warning: #8a5a00;

    --font-primary: 'OpenSans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-base: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 2.5rem;
    --space-3xl: 3rem;

    --border-radius-base: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 14px;
    --border-radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-base: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);

    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
}

main { flex: 1 0 auto; }

h1, h2, h3 {
    color: var(--primary-dark);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.25rem; margin-bottom: var(--space-sm); }

p { margin-bottom: var(--space-base); }

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover { color: var(--primary-hover); text-decoration: underline; }

strong { font-weight: 600; }

.navbar {
    background-color: var(--white);
    padding: 20px 0;
    border-bottom: 1px solid rgba(78, 79, 115, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px 0 148px;
}

.nav-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    transition: color 0.3s;
    text-transform: lowercase;
}

.nav-container {
    position: relative;
}

.nav-help {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    border: 1px solid var(--primary-border);
    background: var(--white);
    color: var(--primary);
    border-radius: var(--border-radius-full);
    padding: 0.28rem 0.7rem;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: lowercase;
    cursor: pointer;
    white-space: nowrap;
    z-index: 2;
}

.nav-help:hover {
    background: var(--primary-light);
}

.nav-link:hover { color: var(--primary); }

.container {
    width: 100%;
    max-width: 960px;
    margin: 40px auto;
    padding: 0 20px;
}

.intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.intro p {
    color: var(--text-light);
    font-size: 1.0625rem;
}

.tool-bar {
    max-width: 860px;
    margin: var(--space-xl) auto 0;
    display: flex;
    justify-content: flex-end;
}

.reset-btn {
    padding: 0.5rem 0.95rem;
    font-size: 0.9rem;
}

.live-sentence {
    max-width: 760px;
    margin: var(--space-2xl) auto;
    text-align: center;
    background: var(--white);
    border: 1px solid var(--primary-border);
    border-radius: var(--border-radius-xl);
    padding: var(--space-2xl) var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.live-sentence-text {
    font-size: clamp(1.25rem, 3.2vw, 1.75rem);
    line-height: 1.45;
    color: var(--primary-dark);
    font-weight: 600;
    margin-bottom: 0;
}

.live-slot {
    display: inline;
    border-bottom: 2px dashed var(--primary-border);
    color: var(--muted);
    font-weight: 600;
    padding: 0 0.15em;
}

.live-slot.filled {
    border-bottom: 2px solid var(--primary);
    color: var(--primary);
}

.live-quality {
    margin-top: var(--space-base);
    margin-bottom: 0;
    font-size: 0.95rem;
    color: var(--text-light);
}

.builder {
    max-width: 860px;
    margin: 0 auto var(--space-2xl);
}

.value-mode-row {
    margin-bottom: var(--space-lg);
}

.value-mode-label {
    margin: 0 0 0.35rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.value-mode-help,
.value-mode-caption {
    margin: 0 0 var(--space-sm);
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--text-light);
}

.value-mode-caption {
    margin: var(--space-sm) 0 0;
    font-size: 0.85rem;
}

.mode-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.mode-pill {
    border: 1px solid var(--primary-border);
    background: var(--white);
    color: var(--primary);
    border-radius: var(--border-radius-full);
    padding: 0.35rem 0.8rem;
    font: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
}

.mode-pill:hover {
    background: var(--primary-light);
}

.mode-pill.is-active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-base);
    margin-bottom: var(--space-lg);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.field-preview {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.4;
    color: var(--text-light);
}

.styled-select,
.decision-input {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--primary-border);
    border-radius: var(--border-radius-base);
    background: var(--white);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text);
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.styled-select:focus,
.decision-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.hint-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-base);
    flex-wrap: wrap;
}

.compat-hint {
    margin: 0;
    flex: 1 1 16rem;
    font-size: 0.9375rem;
    color: var(--text-light);
}

.compat-hint.success { color: var(--success); }
.compat-hint.warn { color: var(--warning); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-base);
    padding: var(--space-base) var(--space-xl);
    border: 1px solid transparent;
    border-radius: var(--border-radius-base);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    background: none;
}

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-hover); color: var(--white); text-decoration: none; }

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary-light);
    text-decoration: none;
}

.results-section {
    max-width: 860px;
    margin: 0 auto;
}

.result-block {
    margin-bottom: var(--space-2xl);
}

.selection-info {
    text-align: left;
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-bottom: var(--space-base);
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-base);
    margin: var(--space-lg) 0;
}

.selection-card {
    background: var(--white);
    border: 2px solid var(--primary-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-base) var(--space-lg);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    font-size: 0.95rem;
    color: var(--primary-dark);
    line-height: 1.4;
}

.selection-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-base);
}

.selection-card.selected {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.center-actions,
.result-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-base);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
}

.my-step label {
    display: block;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.decision-input {
    min-height: 110px;
    resize: vertical;
    line-height: 1.5;
}

.copy-status {
    text-align: center;
    margin-top: var(--space-sm);
    color: var(--success);
    font-size: 0.9rem;
}

.sheets-box {
    max-width: 860px;
    margin: var(--space-2xl) auto 0;
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-light);
    border: 1px dashed var(--primary-border);
    border-radius: var(--border-radius-lg);
}

.sheets-box p {
    margin: 0 0 var(--space-base);
    color: var(--text-light);
}

.quiet-links {
    text-align: center;
    margin-top: var(--space-xl);
    color: var(--text-light);
    font-size: 0.9375rem;
}

.quiet-links span { margin: 0 0.4rem; color: var(--muted); }

.hidden { display: none !important; }

.footer {
    background-color: #4E4F73;
    color: var(--white);
    text-align: center;
    padding: 30px 20px;
    margin-top: 80px;
}

.footer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-nav-link {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.6;
    transition: opacity 0.3s;
    white-space: nowrap;
}

.footer-nav-link:hover {
    color: var(--white);
    opacity: 0.8;
    text-decoration: underline;
}

.footer-contacts {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-telegram-link {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    transition: opacity 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-telegram-link:hover {
    color: var(--white);
    opacity: 0.8;
    text-decoration: underline;
}

.telegram-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.cookie-banner {
    position: fixed;
    right: 20px;
    bottom: 20px;
    max-width: 350px;
    background: var(--primary);
    color: var(--white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(78, 79, 115, 0.4);
    z-index: 10000;
    font-size: 0.9rem;
    line-height: 1.6;
    transform: translateY(150px);
    opacity: 0;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.cookie-banner.show {
    transform: translateY(0);
    opacity: 1;
}

.cookie-banner-content { position: relative; }

.cookie-banner-close {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--border-radius-full);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cookie-banner-close:hover { background: rgba(255, 255, 255, 0.3); }

.cookie-banner-text { margin-bottom: 15px; }

.cookie-banner-accept {
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius-base);
    background: var(--white);
    color: var(--primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    .container { margin: 24px auto; padding: 0 16px; }
    .nav-container {
        flex-direction: column;
        gap: 0.7rem;
        padding: 0.2rem 20px 0 20px;
        align-items: flex-start;
    }
    .nav-help {
        position: static;
        transform: none;
        align-self: flex-start;
    }
    .nav-links { gap: 14px; }
    .controls { grid-template-columns: 1fr; }
    .live-sentence { padding: var(--space-xl) var(--space-base); }
    .hint-row { flex-direction: column; align-items: stretch; }
    .tool-bar { justify-content: stretch; }
    .reset-btn { width: 100%; }
    .mode-pills { gap: 0.35rem; }
    .mode-pill { font-size: 0.8rem; padding: 0.32rem 0.65rem; }
    .footer-nav { gap: 20px; justify-content: space-around; }
    .footer-nav-link { font-size: 0.85rem; }
    .cookie-banner {
        right: 10px;
        left: 10px;
        bottom: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    .footer-nav {
        gap: 15px;
        flex-direction: column;
        justify-content: center;
    }
    .footer-nav-link { font-size: 0.8rem; }
    .footer-contacts { flex-direction: column; gap: 1rem; }
    .selection-grid { grid-template-columns: 1fr; }
}

@media print {
    .navbar,
    .builder,
    .tool-bar,
    .quiet-links,
    .sheets-box,
    .footer,
    .cookie-banner,
    .result-actions,
    .center-actions,
    .hint-row,
    .tour-overlay {
        display: none !important;
    }

    .live-sentence {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .results-section { display: block !important; }

    body { background: #fff; }
}

.tour-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 900;
}

.tour-overlay.is-open {
    display: block;
}

.tour-spotlight {
    position: fixed;
    border-radius: 16px;
    border: 2px solid var(--primary);
    box-shadow: 0 0 0 9999px rgba(42, 44, 62, 0.62), 0 0 20px rgba(78, 79, 115, 0.28);
    pointer-events: none;
    z-index: 902;
    transition: all 0.3s ease;
}

.tour-card {
    position: fixed;
    z-index: 905;
    background: var(--white);
    border: 1px solid var(--primary-border);
    border-radius: 16px;
    padding: 1.2rem 1.3rem;
    max-width: 380px;
    width: calc(100vw - 32px);
    box-shadow: var(--shadow-lg);
}

.tour-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.tour-step-badge {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    padding: 0.2rem 0.65rem;
    border-radius: var(--border-radius-full);
}

.tour-close {
    width: 28px;
    height: 28px;
    border: 1px solid var(--primary-border);
    border-radius: 50%;
    background: var(--bg-light);
    color: var(--text);
    cursor: pointer;
}

.tour-card-title {
    font-size: 1.15rem;
    margin-bottom: 0.45rem;
}

.tour-card-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.55;
    margin-bottom: 1rem;
}

.tour-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
}

.tour-skip {
    border: 0;
    background: none;
    color: var(--muted);
    font: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.4rem 0.2rem;
}

.tour-skip:hover { color: var(--primary); text-decoration: underline; }

.tour-nav { display: flex; gap: 0.45rem; }
.tour-prev, .tour-next { padding: 0.5rem 0.9rem; font-size: 0.875rem; }

@media (max-width: 640px) {
    .tour-card {
        left: 16px !important;
        right: 16px !important;
        top: auto !important;
        bottom: 16px !important;
        max-width: none;
        transform: none !important;
    }
}