/* ===== APP HEADER ===== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 56px;
    background-color: var(--background-card);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-header-inner {
    width: 100%;
    max-width: 900px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-logo-link {
    display: flex;
    align-items: center;
}

.app-logo {
    width: 110px;
    height: auto;
    object-fit: contain;
}

.app-help-btn {
    padding: 6px 14px;
    border: 2px solid var(--primary-dark);
    border-radius: 4px;
    background: transparent;
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: all 0.2s;
    font-family: 'Nunito Sans', sans-serif;
}

.app-help-btn:hover {
    background-color: var(--primary-dark);
    color: var(--text-light);
}

/* ===== BODY & MAIN ===== */
.body-main {
    padding-top: 56px;
    padding-bottom: 80px;
    background-color: var(--background-main);
}

.main-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 16px 16px 30px;
}

/* ===== BOTTOM NAV ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 65px;
    background-color: var(--background-card);
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #999;
    flex-grow: 1;
    cursor: pointer;
}

.nav-item i {
    font-size: 20px;
    margin-bottom: 4px;
}

.nav-item span {
    font-size: 12px;
}

.nav-item.active {
    color: var(--primary-color);
}