/* Reset a základné nastavenia */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

p {
    margin: 0 0 1rem 0;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 0.75rem 0;
    font-family: "Poppins", "Segoe UI", sans-serif;
    line-height: 1.2;
    color: var(--color-text-heading);
}

a {
    color: inherit;
}

a:hover,
a:focus {
    color: var(--color-accent);
}

img {
    max-width: 100%;
    display: block;
}

/* Dizajnové premenné */
:root {
    --color-surface: #f9fafb;
    --color-elevated: #ffffff;
    --color-text-primary: #1e1e27;
    --color-text-secondary: #555964;
    --color-text-heading: #0f172a;
    --color-border: #e2e8f0;
    --color-accent: #2563eb;
    --color-accent-soft: rgba(37, 99, 235, 0.1);
    --color-highlight: #dbeafe;
    --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
    --radius-small: 8px;
    --radius-medium: 16px;
    --radius-large: 24px;
    --wrapper-max: 1100px;
}

.dark-theme {
    --color-surface: #0f172a;
    --color-elevated: #111c35;
    --color-text-primary: #e3e8f4;
    --color-text-secondary: #cbd5f5;
    --color-text-heading: #f8fafc;
    --color-border: #1f2a44;
    --color-accent: #60a5fa;
    --color-accent-soft: rgba(96, 165, 250, 0.16);
    --color-highlight: rgba(148, 197, 255, 0.25);
    --shadow-soft: 0 12px 32px rgba(2, 6, 23, 0.45);
}

.light-theme {
    /* premenné ostávajú z :root, trieda je zachovaná pre JS prepínanie */
}

.wrapper {
    width: min(100%, var(--wrapper-max));
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    background-color: color-mix(in srgb, var(--color-surface) 85%, transparent);
    border-bottom: 1px solid var(--color-border);
}

.site-header .wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.site-actions {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--color-highlight);
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
}

.site-nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav a {
    font-weight: 600;
    text-decoration: none;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--color-accent);
}

.site-nav .is-active {
    color: var(--color-accent);
}

.site-search {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    background: var(--color-elevated);
    border-radius: 999px;
    padding: 0.3rem 0.35rem 0.3rem 1rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.site-search input {
    border: none;
    background: transparent;
    font-size: 0.95rem;
    color: var(--color-text-primary);
    min-width: 160px;
}

.site-search input:focus {
    outline: none;
}

.site-search button {
    border: none;
    background: var(--color-accent);
    color: #ffffff;
    border-radius: 999px;
    padding: 0.45rem 1.1rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.site-search button:hover,
.site-search button:focus {
    background: color-mix(in srgb, var(--color-accent) 88%, #ffffff 12%);
    transform: translateY(-1px);
}

.site-search:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.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;
}

.site-main {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.hero {
    padding: 4.5rem 0 3.5rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), transparent 45%);
}

.hero-eyebrow {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-text-secondary);
    font-weight: 600;
}

.hero h1 {
    font-size: clamp(2.8rem, 4.5vw, 4.1rem);
    margin-bottom: 1rem;
}

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

.hero-lede {
    max-width: 700px;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
    margin-bottom: 2.5rem;
}

.hero-copy {
    display: grid;
    gap: 1.25rem;
}

.hero-visual {
    position: relative;
    min-height: 280px;
}

.hero-blob {
    position: absolute;
    inset: 0;
    border-radius: 48% 52% 55% 45% / 58% 47% 53% 42%;
    background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.25), transparent 60%),
                radial-gradient(circle at 80% 30%, rgba(37, 99, 235, 0.18), transparent 55%),
                linear-gradient(135deg, rgba(249, 115, 22, 0.35), rgba(37, 99, 235, 0.28));
    filter: drop-shadow(0 25px 40px rgba(15, 23, 42, 0.2));
}

.hero-detail {
    margin-top: 0;
}

.info-card {
    background: var(--color-elevated);
    border-radius: var(--radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: 0.75rem;
}

.info-card p {
    color: var(--color-text-secondary);
    margin: 0;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.cta-primary,
.cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.8rem;
    border-radius: var(--radius-medium);
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.cta-primary {
    background-color: var(--color-accent);
    color: #ffffff;
    box-shadow: var(--shadow-soft);
}

.cta-primary:hover,
.cta-primary:focus {
    transform: translateY(-2px);
    color: #ffffff;
}

.cta-secondary {
    color: var(--color-accent);
    background-color: transparent;
    border: 1px solid var(--color-accent);
}

.cta-secondary:hover,
.cta-secondary:focus {
    background-color: var(--color-accent-soft);
}

.today-names {
    margin-top: 3.5rem;
    display: grid;
    gap: 2rem;
}

.today-names .section-header {
    max-width: 520px;
}

.search-results {
    margin-top: 3.5rem;
    margin-bottom: 2.5rem;
}

.search-results__grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.search-card {
    display: grid;
    gap: 0.6rem;
    padding: 1.5rem;
    border-radius: var(--radius-large);
    background: var(--color-elevated);
    box-shadow: var(--shadow-soft);
    border: 1px solid transparent;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.search-card:hover,
.search-card:focus {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}

.search-card h3 {
    margin: 0;
    font-size: 1.35rem;
}

.search-card__date {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
}

.search-card p {
    margin: 0;
    color: var(--color-text-secondary);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.badge--holiday {
    background: rgba(249, 115, 22, 0.15);
    color: #b45309;
}

.detail-hero {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    align-items: start;
    margin-top: 3.5rem;
}

.detail-meta {
    display: grid;
    gap: 1.25rem;
}

.detail-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.95rem;
    border-radius: 999px;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.detail-meta h1 {
    font-size: clamp(2.6rem, 4vw, 3.6rem);
    margin: 0;
}

.detail-date {
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-medium);
    background: var(--color-elevated);
    box-shadow: var(--shadow-soft);
    max-width: 220px;
}

.detail-date__title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

.detail-date__value {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-text-heading);
}

.detail-intro {
    display: grid;
    gap: 1.5rem;
}

.detail-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.detail-nav {
    display: grid;
    gap: 0.25rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-medium);
    background: var(--color-elevated);
    text-decoration: none;
    color: var(--color-text-primary);
    min-width: 180px;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.detail-nav span {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.detail-nav strong {
    font-size: 1.1rem;
}

.detail-nav:hover,
.detail-nav:focus {
    transform: translateY(-3px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-soft);
}

.detail-nav--prev {
    justify-self: flex-start;
}

.detail-nav--next {
    justify-self: flex-end;
}

.detail-content {
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.detail-meaning {
    display: grid;
    gap: 1rem;
    color: var(--color-text-secondary);
}

.detail-meaning p:last-child {
    margin-bottom: 0;
}

.section-header {
    display: grid;
    gap: 0.5rem;
}

.section-header p {
    color: var(--color-text-secondary);
}

.name-highlight {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.name-highlight h3 {
    margin: 0;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-large);
    background: var(--color-elevated);
    box-shadow: var(--shadow-soft);
    font-size: clamp(2rem, 6vw, 3.5rem);
}

.meaning {
    background: var(--color-elevated);
    border-radius: var(--radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
}

.meaning h3 {
    margin-bottom: 1rem;
}

.meaning p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.meaning p:last-child {
    margin-bottom: 0;
}

.tips-panel {
    margin-top: 3rem;
    padding: 2rem;
    border-radius: var(--radius-large);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(37, 99, 235, 0.05));
    color: var(--color-text-primary);
    box-shadow: var(--shadow-soft);
}

.name-calendar {
    margin-top: 4rem;
    padding: 3rem 0;
    background: linear-gradient(160deg, transparent 0%, var(--color-highlight) 100%);
}

.months-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.calendar-feature {
    display: grid;
    gap: 1.75rem;
}

.calendar-card {
    background: var(--color-elevated);
    border-radius: var(--radius-large);
    padding: 2rem 2.25rem;
    box-shadow: var(--shadow-soft);
}

.calendar-card__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.calendar-card__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin: 0 0 0.35rem 0;
}

.calendar-card__heading h3 {
    font-size: clamp(1.75rem, 3vw, 2.3rem);
    margin: 0;
}

.calendar-card__year {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 1.75rem;
}

.calendar-grid__weekday {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    text-align: center;
}

.calendar-grid__day {
    min-height: 86px;
    border-radius: var(--radius-medium);
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.04);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.calendar-grid__day.has-name {
    background: rgba(37, 99, 235, 0.08);
}

.calendar-grid__day.has-holiday {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.18), rgba(37, 99, 235, 0.08));
}

.calendar-grid__day.is-today {
    background: var(--color-accent);
    color: #ffffff;
    box-shadow: var(--shadow-soft);
    transform: translateY(-2px);
}

.calendar-grid__day.is-today .calendar-grid__date,
.calendar-grid__day.is-today .calendar-grid__names {
    color: inherit;
}

.calendar-grid__day:not(.is-empty):hover {
    transform: translateY(-3px);
}

.calendar-grid__day.is-empty {
    background: transparent;
}

.calendar-grid__date {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text-heading);
}

.calendar-grid__names {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.25;
}

.calendar-grid__tag {
    display: inline-flex;
    margin-left: 0.4rem;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: rgba(249, 115, 22, 0.18);
    color: #b45309;
}

.calendar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    align-items: center;
}

.legend-dot {
    display: inline-flex;
    width: 12px;
    height: 12px;
    border-radius: 999px;
    margin-right: 0.5rem;
}

.legend-dot--today {
    background: var(--color-accent);
}

.legend-dot--has-name {
    background: rgba(37, 99, 235, 0.25);
}

.legend-dot--holiday {
    background: rgba(249, 115, 22, 0.9);
}

.months-archive {
    margin-top: 3rem;
}

.months-archive h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.month-card {
    background: var(--color-elevated);
    border-radius: var(--radius-medium);
    padding: 1.5rem;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.month-card h3 {
    font-size: 1.25rem;
}

.month-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.month-card__item {
    display: flex;
}

.month-card__item a {
    display: grid;
    grid-template-columns: 90px 1fr;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-small);
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.month-card__name-block {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.month-card__tag {
    align-self: flex-start;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: rgba(249, 115, 22, 0.18);
    color: #b45309;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.month-card__item a:hover,
.month-card__item a:focus {
    background-color: var(--color-accent-soft);
    color: var(--color-accent);
    transform: translateX(4px);
}

.month-card__date {
    font-weight: 600;
    color: var(--color-text-heading);
}

.month-card__name {
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

.month-card__name-block {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.month-card__name {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
}

.month-card__item.is-today a {
    background-color: var(--color-accent);
    color: #ffffff;
    box-shadow: var(--shadow-soft);
}

.month-card__item.is-today .month-card__date {
    color: #ffffff;
}

.subpage-hero {
    padding: 3.5rem 0 2.5rem;
    background: linear-gradient(145deg, var(--color-highlight), transparent);
}

.page-content {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: var(--color-elevated);
    border-radius: var(--radius-medium);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
}

.card h3,
.card h2 {
    margin-top: 0;
}

.card-grid {
    display: grid;
    gap: 1.5rem;
}

.card-grid .card {
    margin: 0;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.feature-list li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
}

.feature-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.link-strong {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
}

.link-strong:hover,
.link-strong:focus {
    text-decoration: underline;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    background-color: var(--color-accent);
    color: #ffffff;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    margin: 0.5rem auto 0 auto;
}

.theme-toggle:hover,
.theme-toggle:focus {
    transform: translateY(-2px);
    background-color: color-mix(in srgb, var(--color-accent) 90%, white 10%);
}

footer {
    background-color: var(--color-elevated);
    padding: 2.5rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 4rem;
}

.footer-container {
    max-width: var(--wrapper-max);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    gap: 1.75rem;
    justify-items: center;
    text-align: center;
}

.footer-brand {
    display: grid;
    gap: 0.75rem;
    justify-items: center;
}

.brand--footer {
    font-size: 0.95rem;
}

.footer-tagline {
    max-width: 520px;
    margin: 0 auto;
    color: var(--color-text-secondary);
}

.footer-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.footer-nav a {
    text-decoration: none;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.footer-nav a:hover,
.footer-nav a:focus {
    color: var(--color-accent);
}

.footer-actions {
    display: flex;
    justify-content: center;
}

.footer-info {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-align: center;
}

.footer-projects {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-align: center;
}

.footer-projects a {
    color: var(--color-accent);
    text-decoration: none;
}

.footer-projects a:hover,
.footer-projects a:focus {
    text-decoration: underline;
}

/* Responzívne prispôsobenia */
@media (max-width: 900px) {
    .site-header .wrapper {
        gap: 1.5rem;
    }

    .site-nav ul {
        gap: 1rem;
    }

    .hero {
        padding: 3.5rem 0 3rem;
    }

    .hero-layout {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

    .today-names {
        margin-top: 2.5rem;
    }

    .name-highlight h3 {
        font-size: clamp(1.8rem, 8vw, 3rem);
    }
}

@media (max-width: 720px) {
    .site-header {
        position: static;
    }

    .site-header .wrapper {
        flex-direction: column;
        align-items: flex-start;
        height: auto;
        padding: 1.25rem 1.5rem;
    }

    .site-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        width: 100%;
    }

    .site-search {
        width: 100%;
        justify-content: space-between;
        padding: 0.35rem 0.35rem 0.35rem 0.85rem;
    }

    .site-search input {
        width: 100%;
    }

    .site-nav ul {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }

    .calendar-grid {
        gap: 0.5rem;
    }

    .calendar-grid__day {
        min-height: 72px;
    }

    .calendar-grid {
        display: block;
    }

    .calendar-grid__weekday {
        display: none;
    }

    .calendar-grid__day {
        display: grid;
        grid-template-columns: 56px 1fr;
        align-items: center;
        padding: 0.85rem 1rem;
        gap: 0.65rem;
        min-height: auto;
        margin-bottom: 0.75rem;
    }

    .calendar-grid__day.is-empty {
        display: none;
    }

    .calendar-grid__date {
        font-size: 1.35rem;
    }

    .calendar-grid__names {
        margin-top: 0;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .theme-toggle {
        margin: 1.5rem auto 0 auto;
        width: 100%;
        max-width: 320px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}