:root {
    --az-primary: #0b3e70;      /* tmavší modrá */
    --az-primary-light: #12518f;
    --az-accent: #f28b2b;       /* oranžový akcent */
    --az-danger: #a32020;
    --az-danger-bg: #fff2f2;
    --az-danger-border: #f0b4b4;
    --az-note-bg: #fff8ef;
    --az-note-border: #f4d0a0;
    --az-note-text: #7a4b12;
    --az-bg: #f3f5f8;
    --az-card-bg: #ffffff;
    --az-border: #dde2ea;
    --az-text: #1f2833;
    --az-muted: #6c7a89;
    --az-radius-lg: 10px;
    --az-radius-md: 6px;
    --az-shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* základ stránky */

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

body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top, #f9fbff 0, #f3f5f8 45%, #e7ecf5 100%);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--az-text);
    line-height: 1.6;
}

/* horní lišta s logem (volitelné) */

/* Horní tmavý banner */
.site-header {
    background: #15132E; /* tmavá z A-Z Traders */
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.4rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header-inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 0.3rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.site-logo {
    height: 48px;
    width: auto;
    display: block;
}

.site-title {
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: #e6e8ee;   /* světle šedá – dobře čitelná na tmavém pozadí */
}

/* obsah stránky */

.page {
    max-width: 980px;
    margin: 1.5rem auto 2.5rem;
    padding: 1.5rem 1.5rem 2.5rem;
    background: var(--az-card-bg);
    border-radius: 16px;
    box-shadow: var(--az-shadow-soft);
    border: 1px solid rgba(255,255,255,0.7);
}

/* záhlaví návodu */

.page-header {
    border-bottom: 1px solid var(--az-border);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    margin: 0 0 0.4rem;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--az-primary);
}

.page-subtitle {
    margin: 0;
    font-size: 0.95rem;
    color: var(--az-muted);
}

.warning-banner,
.note-banner {
    margin: 1.25rem 0 1.75rem;
    padding: 1rem 1.1rem;
    border-radius: var(--az-radius-lg);
    border: 1px solid;
}

.warning-banner {
    background: linear-gradient(135deg, #fff8f8, var(--az-danger-bg));
    border-color: var(--az-danger-border);
    color: var(--az-danger);
}

.note-banner {
    background: linear-gradient(135deg, #fffdf8, var(--az-note-bg));
    border-color: var(--az-note-border);
    color: var(--az-note-text);
}

.warning-banner p,
.note-banner p {
    margin: 0;
}

.warning-banner strong,
.note-banner strong {
    color: inherit;
}

.warning-banner code,
.note-banner code {
    background: rgba(255, 255, 255, 0.65);
}

/* kroková struktura */

.step {
    margin-bottom: 2.2rem;
    padding: 1.25rem 1.1rem 1.4rem;
    border-radius: var(--az-radius-lg);
    border: 1px solid var(--az-border);
    background: linear-gradient(135deg, #ffffff, #f9fbff);
}

.step h2 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--az-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.step h2::before {
    content: "●";
    font-size: 0.7rem;
    color: var(--az-accent);
}

.step p {
    margin: 0.25rem 0 0.75rem;
}

.step ul {
    margin: 0.25rem 0 0.75rem;
    padding-left: 1.1rem;
}

.step li + li {
    margin-top: 0.25rem;
}

/* zvýraznění textu */

code {
    background: #f0f3f8;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: "Consolas", "SFMono-Regular", Menlo, Monaco, monospace;
    border: 1px solid #e0e6f0;
}

/* obrázky */

.step img {
    max-width: 100%;
    height: auto;
    border-radius: var(--az-radius-md);
    border: 1px solid var(--az-border);
    margin: 0.35rem 0 0.9rem;
    box-shadow: 0 3px 8px rgba(0,0,0,0.04);
}

/* drobné prvky */

.badge {
    display: inline-block;
    padding: 0.1rem 0.45rem;
    font-size: 0.75rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(11, 62, 112, 0.06);
    color: var(--az-primary);
}

/* odkazové prvky (např. budoucí tlačítko) */

a {
    color: var(--az-primary-light);
    text-decoration: none;
}

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

/* responzivní drobnosti */

@media (max-width: 720px) {
    .site-header-inner {
        padding-inline: 1rem;
    }

    .page {
        margin: 1rem;
        padding: 1rem 1rem 1.8rem;
    }

    .page-header h1 {
        font-size: 1.35rem;
    }

    .step {
        padding: 1rem 0.85rem 1.1rem;
    }
}