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

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

/* HEADER */
header {
    background-color: #ffffff;
    border-bottom: 2px solid #000;
    padding: 20px 0;
}

/* NAV */
nav {
    display: flex;
    justify-content: center;
    gap: 120px; /* velká mezera mezi tlačítky */
}

/* BUTTON STYLE */
.nav-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;

    padding: 14px 26px;

    font-size: 18px;
    font-weight: 600;
    text-decoration: none;

    border: 2px solid #000;
    border-radius: 6px;

    color: #000;
    background-color: #fff;

    transition: all 0.3s ease;
}

/* Hover efekt */
.nav-button:hover {
    background-color: #000;
    color: #fff;
}

/* Ikony (šípky) */
.nav-button span {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.nav-button:hover span {
    transform: translateX(7px);
}

/* Specifický styl pro Lieder (jemný hint na logo) */
.nav-lieder {
    font-family: "Georgia", "Times New Roman", serif;
    font-style: italic;
}

/* Rozesílač styl (trochu modernější feel) */
.nav-rozesilac {
    letter-spacing: 0.5px;
}

/* WRAPPER pro zarovnání nav + user panelu */
.nav-wrapper {
    position: relative;
}

/* USER PANEL vpravo */
.nav-user-panel {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);

    display: flex;
    align-items: center;
    gap: 12px;
}

/* JMÉNO */
.logged-user {
    font-size: 14px;
    color: #222;
    font-weight: 500;
    white-space: nowrap;
}

/* LOGOUT BUTTON */
.logout-button {
    padding: 8px 14px;
    border: 2px solid #000;
    background-color: #fff;
    color: #000;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.logout-button:hover {
    background-color: #000;
    color: #fff;
}