/* ========== ZÁKLAD ========== */
:root {
    --bg: #050b1a;
    --bg-elevated: #0b1020;
    --bg-soft: #11172b;
    --border-subtle: #1c2540;
    --accent: #1f6feb;
    --accent-soft: rgba(31, 111, 235, 0.2);
    --accent-strong: #2ea043;
    --text-main: #e9eefb;
    --text-muted: #8d9bbf;
    --danger: #e74c3c;
    --danger-soft: rgba(231, 76, 60, .15);
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, .65);
    --radius-lg: 24px;
    --radius-pill: 999px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #151b3a 0, #050814 45%, #02030a 100%);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

/* základní odkazy */
a {
    color: inherit;
    text-decoration: none;
}

    a:hover {
        text-decoration: none;
    }

/* ========== HLAVIČKA / NAV ========== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 2.4rem;
    background: linear-gradient(to bottom, rgba(5, 11, 30, 0.98), rgba(5, 11, 30, 0.95) 60%, rgba(5, 11, 30, 0.90));
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(18px);
}

.site-header-left {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.logo-link img {
    display: block;
    height: 64px;
    width: auto;
}

/* navigační tlačítka */

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.nav-pill {
    padding: 0.45rem 1.1rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    font-size: 0.9rem;
    color: var(--text-main);
    background: transparent;
    cursor: pointer;
    transition: background 0.16s ease, border-color 0.16s ease, transform 0.08s ease;
}

    .nav-pill:hover {
        background: rgba(255, 255, 255, 0.04);
        border-color: rgba(255, 255, 255, 0.08);
        transform: translateY(-1px);
    }

.nav-pill-active {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .4), 0 16px 30px rgba(31, 111, 235, .45);
}

/* pravá část hlavičky */

.site-header-right {
    font-size: 0.9rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* responzivní hlavička */

@media (max-width: 900px) {
    .site-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 0.7rem 1rem 0.9rem;
    }

    .site-header-left {
        justify-content: space-between;
    }

    .logo-link img {
        height: 52px;
    }

    .main-nav {
        flex-wrap: wrap;
        margin-top: 0.35rem;
    }

    .site-header-right {
        text-align: center;
        white-space: normal;
    }
}

/* na úplně malých telefonech zarovnáme logo doprostřed */

@media (max-width: 600px) {
    .site-header-left {
        flex-direction: column;
        align-items: center;
    }
}

/* ========== ÚVODNÍ STRÁNKA (index) ========== */

.page-home .hero-layout {
    max-width: 1200px;
    margin: 2.5rem auto 3rem;
    padding: 0 1.5rem 3rem;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr);
    gap: 3rem;
    align-items: center;
}

.hero-text {
    max-width: 640px;
}

.hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: .18em;
    font-size: 0.78rem;
    color: var(--accent-soft);
    margin: 0 0 .5rem;
}

.hero-text h1 {
    font-size: clamp(2.4rem, 3.4vw, 3.1rem);
    line-height: 1.1;
    margin: 0 0 1rem;
}

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

.hero-lead {
    margin: 0 0 1.6rem;
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 38rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.4rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.4rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.16s ease, border-color 0.16s ease, transform 0.08s ease, box-shadow 0.16s ease;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 14px 30px rgba(23, 88, 187, .55);
}

    .btn-primary:hover {
        background: #2a75f0;
        border-color: #2a75f0;
        transform: translateY(-1px);
        box-shadow: 0 18px 38px rgba(23, 88, 187, .7);
    }

.btn-secondary {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text-main);
}

    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.04);
        border-color: rgba(255, 255, 255, 0.2);
        transform: translateY(-1px);
    }

.hero-bullets {
    margin: 0;
    padding-left: 1.3rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

    .hero-bullets li + li {
        margin-top: 0.35rem;
    }

/* obrázek vpravo */

.hero-image {
    justify-self: center;
    max-width: 520px;
    width: 100%;
}

    .hero-image img {
        width: 100%;
        height: auto;
        border-radius: var(--radius-lg);
        object-fit: cover;
        box-shadow: var(--shadow-soft);
    }

/* responzivní úvodní layout */

@media (max-width: 960px) {
    .page-home .hero-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 2.25rem;
        margin-top: 1.5rem;
    }

    .hero-image {
        max-width: 480px;
    }

    .hero-text {
        order: 2;
    }
}

@media (max-width: 600px) {
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ========== OBECNÉ ROZLOŽENÍ PRO TABULKY (vážení, kalibrace, kontrola) ========== */

.page-inner {
    max-width: 1200px;
    margin: 2.5rem auto 3rem;
    padding: 0 1.5rem 3rem;
}

    .page-inner h1 {
        margin-top: 0;
        margin-bottom: 0.8rem;
        font-size: 1.8rem;
    }

    .page-inner p.lead {
        margin-top: 0;
        margin-bottom: 1.4rem;
        font-size: 0.95rem;
        color: var(--text-muted);
    }

/* jednoduché info / chybové hlášky */

.notice {
    padding: 0.65rem 0.9rem;
    border-radius: 10px;
    background: rgba(15, 24, 55, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.notice-danger {
    background: var(--danger-soft);
    border-color: rgba(231, 76, 60, .5);
    color: #f6a5a0;
}

/* ========== FORMULÁŘE / FILTROVÁNÍ ========== */

.filter-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.3rem;
    padding: 1.1rem 1.2rem;
    background: rgba(10, 16, 40, 0.9);
    border-radius: 18px;
    border: 1px solid var(--border-subtle);
}

.filter-field label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.3rem;
    color: var(--text-muted);
}

.filter-field input {
    width: 100%;
    padding: 0.45rem 0.55rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(5, 7, 18, 0.85);
    color: var(--text-main);
    font-size: 0.9rem;
}

.filter-actions {
    display: flex;
    gap: 0.6rem;
    align-items: flex-end;
}

/* ========== KARTY SE STATISTIKAMI ========== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.4rem;
}

.stats-card {
    padding: 0.9rem 1.1rem;
    border-radius: 16px;
    background: rgba(9, 14, 34, 0.96);
    border: 1px solid var(--border-subtle);
}

.stats-card-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.stats-card-main {
    font-size: 1.15rem;
    font-weight: 600;
}

.stats-card-sub {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ========== TABULKY ========== */

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.8rem;
    font-size: 0.9rem;
    background: rgba(9, 13, 30, 0.96);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 14px 40px rgba(0, 0, 0, .6);
}

thead {
    background: rgba(14, 22, 52, 0.98);
}

    thead th {
        padding: 0.55rem 0.7rem;
        text-align: left;
        font-weight: 500;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        white-space: nowrap;
    }

tbody td {
    padding: 0.45rem 0.7rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

tbody tr:nth-child(even) {
    background: rgba(9, 14, 33, 0.9);
}

tbody tr:hover {
    background: rgba(31, 111, 235, 0.10);
}

/* pager pod tabulkou */

.table-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 0.7rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

    .table-meta a {
        color: var(--accent);
    }

/* ========== PATIČKA ========== */

.site-footer {
    padding: 0.6rem 1.5rem 1.4rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========== PÁR ÚPRAV PRO DISPLEJ (display.php) ========== */
/* Tohle jen trochu pomůže zarovnání, detaily máš stejně v inline <style> */

.page-display .valueRow {
    margin-top: 1rem;
}

/* ===========================
   Layout & základní styl – druhá část (ponecháno kvůli kompatibilitě)
   =========================== */

:root {
    --bg-body: #020617;
    --bg-panel: #020617;
    --accent: #38bdf8;
    --accent-soft: rgba(56, 189, 248, 0.12);
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --border-subtle: rgba(148, 163, 184, 0.35);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #0f172a, #020617 52%, #000000 100%);
    color: var(--text-main);
}

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

/* ===========================
   Hlavička + navigace (druhá vrstva stylů)
   =========================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(2, 6, 23, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-subtle);
}

.site-header-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0.6rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
}

.brand-logo {
    display: block;
    height: 32px;
    width: auto;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.nav-pill {
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--text-main);
    background: rgba(15, 23, 42, 0.7);
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.08s ease;
}

    .nav-pill:hover {
        background: rgba(30, 64, 175, 0.9);
        border-color: rgba(248, 250, 252, 0.95);
        transform: translateY(-1px);
    }

.nav-pill-active {
    background: var(--accent);
    color: #0b1120;
    border-color: var(--accent);
}

.header-tagline {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .site-header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .header-tagline {
        margin-left: 0;
        white-space: normal;
    }
}

/* ===========================
   Vnitřní layout + hero (druhá část)
   =========================== */

.page-inner {
    max-width: 1120px;
    margin: 2.5rem auto 3rem;
    padding: 2rem 1.25rem 3rem;
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
}

@media (max-width: 900px) {
    .hero-layout {
        grid-template-columns: minmax(0, 1fr);
    }
}

.hero-text {
    max-width: 36rem;
}

.eyebrow {
    font-size: 0.85rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 .5rem;
}

.hero-title {
    margin: 0 0 0.75rem;
    font-size: clamp(2.2rem, 3vw + 1rem, 3.1rem);
}

.hero-lead {
    margin: 0 0 1.75rem;
    font-size: 1rem;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.25rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.08s ease, box-shadow 0.15s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #38bdf8, #22c55e);
    border-color: rgba(148, 163, 184, 0.3);
    color: #020617;
    box-shadow: 0 14px 40px rgba(56, 189, 248, 0.35);
}

    .btn-primary:hover {
        transform: translateY(-1px);
        box-shadow: 0 18px 48px rgba(56, 189, 248, 0.45);
    }

.btn-secondary {
    background: rgba(15, 23, 42, 0.9);
    border-color: var(--border-subtle);
    color: var(--text-main);
}

    .btn-secondary:hover {
        background: rgba(30, 64, 175, 0.9);
    }

.hero-list {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--text-muted);
    display: grid;
    gap: 0.35rem;
    font-size: 0.95rem;
}

.hero-image {
    align-self: stretch;
}

.hero-image-card {
    border-radius: 1.5rem;
    padding: 0.6rem;
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.3), rgba(15, 23, 42, 0.9));
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
}

    .hero-image-card img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 1.25rem;
    }

/* Jemné srovnání hlavičky a obsahu */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
}

    .site-header + main,
    .site-header + .page-main {
        /* žádné extra odsazení – o mezeru se stará konkrétní stránka (hero / page-inner) */
        margin-top: 0;
    }

/* Kontejner pro vnitřní stránky (tabulky, kalibrace, kontrolní vážení) – konečná verze */
.page-inner {
    max-width: 1200px;
    margin: 2.5rem auto 3rem;
    padding: 0 1.5rem 2.5rem;
}

/* Logo v liště – ať je vždy stejně velké */
.site-logo-img {
    display: block;
    height: 40px;
    width: auto;
}

/* Velká aktuální hodnota na kartě Displej */
.content .valueRow {
    display: flex;
    justify-content: center;
    margin: 2.5rem 0 1.5rem;
}

#bigWrap {
    display: inline-flex;
    align-items: baseline;
    gap: 0.4rem;
    font-weight: 800; /* tučné */
    font-size: clamp(3rem, 9vw, 6rem); /* velké číslo, reaguje na šířku okna */
}

/* Společná karta pro grafy (Displej + Kontrolní vážení – auto) */
.chartCard {
    position: relative;
    margin: 1.8rem 0 1.6rem;
    padding: 1.2rem 1.4rem 1.3rem;
    border-radius: 20px;
    background: rgba(9, 13, 30, 0.96);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.7);
    /* výška grafu – cca 2× víc než původně */
    height: 300px;
}

    .chartCard canvas {
        width: 100% !important;
        height: 100% !important;
    }

/* Blok pro nadpis + velké číslo na stránce Vážení dílů */
.title-block {
    display: flex;
    flex-direction: column;
    align-items: center; /* vycentrování na střed */
    margin-bottom: 1.5rem;
}

    .title-block h1 {
        text-align: center; /* jistota, že je text na středu */
        margin-bottom: 0.5rem;
    }

/* Panel s filtry na stránce Vážení dílů */
.filter-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 240px)); /* 4 stejné sloupce */
    column-gap: 0.5rem;
    row-gap: 0.75rem;
    justify-content: center; /* celá řada vycentrovaná */
    align-items: start;
}

/* Jeden „sloupec“ – label + input */
.filter-field {
    text-align: center; /* zarovnání obsahu na střed */
}

    .filter-field label {
        display: block;
        margin-bottom: 0.25rem;
        font-size: 0.9rem;
        text-align: center; /* text nad inputem na střed */
    }

    /* Všechny inputy stejná šířka */
    .filter-field input[type="text"],
    .filter-field input[type="number"] {
        width: 100%;
        max-width: 240px;
        padding: 0.35rem 0.6rem;
        border-radius: 4px;
        border: 1px solid rgba(255,255,255,0.15);
        background: rgba(0,0,0,0.2);
        color: var(--text-main);
    }

/* Řádek s tlačítky – vystředěný pod inputy */
.filter-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 0.25rem;
}

/* Ve filtru nechci uppercase */
.filter-field label,
.filter-field input,
.filter-field input::placeholder {
    text-transform: none;
}

/* konec */