/* ===========================================
   HP Layout — Navigace, spacing, scroll-to-top
   bachurek.cz (inspirováno FakturID)
   =========================================== */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --text-dark: #1f2937;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --bg-body: #f8fafc;
    --bg-white: #ffffff;
    --bg-light: #f1f5f9;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.1);
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.25rem;
    --nav-height: 64px;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background: var(--bg-body);
    margin: 0;
    padding: 0;
}

/* === Navigace === */
.public-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    height: var(--nav-height);
    z-index: 1030;
    transition: box-shadow 0.3s ease;
}

.public-nav.scrolled {
    box-shadow: var(--shadow-md);
}

.public-nav .container {
    height: 100%;
}

.nav-brand {
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

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

.nav-brand-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-links a:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-separator {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 0.5rem;
    align-self: center;
}

/* Nav actions wrapper */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

/* CTA tlačítko pro přihlášení do centrální administrace AICV.cz */
.nav-cta-login {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1.1rem;
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    color: #fff !important;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    white-space: nowrap;
}

.nav-cta-login:hover,
.nav-cta-login:focus {
    transform: translateY(-1px);
    color: #fff !important;
    background: linear-gradient(135deg, #1d4ed8 0%, #4338ca 100%);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
    text-decoration: none;
}

.nav-cta-login i {
    font-size: 1rem;
}

/* Oddělovač mezi nav-links a nav-actions (desktop) */
.nav-links + .nav-actions::before {
    content: '';
    display: none;
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin-right: 0.4rem;
}

@media (min-width: 769px) {
    .nav-links + .nav-actions::before {
        display: block;
    }
}

/* HR Login button */
.btn-nav-hr {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    background: var(--primary);
    color: #fff !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none !important;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-nav-hr:hover {
    background: var(--primary-hover);
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* === Nav user dropdown (přihlášený uživatel) === */
.nav-user-dropdown {
    position: relative;
}

.nav-user-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: 1.5px solid var(--border-color);
    border-radius: 2rem;
    padding: 0.3rem 0.75rem 0.3rem 0.3rem;
    cursor: pointer;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-user-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.nav-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.nav-user-chevron {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.nav-user-btn[aria-expanded="true"] .nav-user-chevron {
    transform: rotate(180deg);
}

.nav-user-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 230px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    z-index: 1050;
    overflow: hidden;
}

.nav-user-menu.is-open {
    display: block;
}

.nav-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.1rem;
    background: linear-gradient(135deg, #f8faff 0%, #eff6ff 100%);
}

.nav-user-info__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 700;
    flex-shrink: 0;
}

.nav-user-info__name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.nav-user-info__email {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.nav-user-info__role {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.nav-user-info__role--admin {
    background: #fee2e2;
    color: #b91c1c;
}

.nav-user-info__role--hr {
    background: #dbeafe;
    color: #1d4ed8;
}

.nav-user-menu__divider {
    height: 1px;
    background: var(--border-color);
    margin: 0;
}

.nav-user-menu__item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 1rem;
    text-decoration: none !important;
    color: var(--text-dark);
    font-size: 0.875rem;
    transition: background 0.15s ease;
}

.nav-user-menu__item:hover {
    background: #eff6ff;
    color: var(--primary);
}

.nav-user-menu__item--logout {
    color: #dc2626;
}

.nav-user-menu__item--logout:hover {
    background: #fee2e2;
    color: #b91c1c;
}

.nav-user-menu__section-label {
    padding: 0.35rem 1rem 0.1rem;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    opacity: 0.7;
}

.btn-theme,
.btn-hamburger {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.6rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.btn-theme:hover,
.btn-hamburger:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.hp-theme-toggle {
    background: #fff;
    border: 1.5px solid var(--border-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 1020;
    cursor: pointer;
    color: #f59e0b;
    font-size: 1.25rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.hp-dark-mode .hp-theme-toggle {
    background: #1e293b;
    border-color: #334155;
    color: #fbbf24;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.hp-theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* === Mobile menu === */
.mobile-link {
    display: block;
    padding: 0.75rem 0;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

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

/* === Main content === */
.main-content {
    padding-top: var(--nav-height);
    min-height: calc(100vh - var(--nav-height));
}

/* Blog stránka — bez min-height, patička hned za obsahem */
body.page-blog .main-content {
    min-height: 0;
}

/* HP — hero záměrně začíná od y=0 pod průhlednou navigací */
body.page-home .main-content {
    padding-top: 0;
}

/* === Scroll to top === */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    left: 5.5rem; /* Umístěno vpravo od přepínače režimů (cca 44px + mezera) */
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
    z-index: 1020;
}

.scroll-top.visible {
    display: flex;
}

.scroll-top:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* === Patička === */
.site-footer {
    background: #172554;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.5rem 0;
    margin-top: 0;
}

.site-footer p {
    margin: 0.25rem 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.82rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #93c5fd;
    text-decoration: none;
}

/* === Hero Upload Zone === */
.hero-upload-zone {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 3rem 0;
}

/* === Mobilní zarovnání plovoucích tlačítek (theme toggle + AI launcher) === */
@media (max-width: 767px) {
    /* Sjednotit velikost a pozici s AI launcherem (hp-components.css) */
    .hp-theme-toggle {
        bottom: 1.25rem;
        left: 1.25rem;
        width: 52px;
        height: 52px;
    }

    /* Scroll-to-top — přizpůsobit levý offset nové velikosti toggle (52px + 0.75rem mezera) */
    .scroll-top {
        left: calc(1.25rem + 52px + 0.75rem);
        bottom: 1.25rem;
    }
}

/* === Responsive — Nav === */
@media (max-width: 768px) {
    .public-nav { height: 64px; }

    .btn-nav-hr {
        font-size: 0;         /* skryj text */
        padding: 0.45rem 0.7rem;
        gap: 0;
    }

    .btn-nav-hr i {
        font-size: 1.1rem;   /* zobraz jen ikonu */
    }

    .nav-actions { gap: 0.4rem; }
}