/* === HEADER === */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 45px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(6px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 100;
    box-sizing: border-box;
}

.back-btn,
.config-btn {
    text-decoration: none;
    padding: 0 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-btn:hover,
.config-btn:hover {
    opacity: 0.6;
}

.topbar-title {
    flex: 1;
    text-align: center;
    font-family: 'Poppins', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: white;
    text-shadow:
        -1px -1px 0 var(--color-dia),
        1px -1px 0 var(--color-dia),
        -1px 1px 0 var(--color-dia),
        1px 1px 0 var(--color-dia),
        -2px 0px 0 var(--color-dia),
        2px 0px 0 var(--color-dia),
        0px -2px 0 var(--color-dia),
        0px 2px 0 var(--color-dia);
    letter-spacing: 4px;
}

/* === FOOTER === */
.bottombar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: calc(45px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(6px);
    border-top: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
    color: #333;
    z-index: 1000;
    padding: 0 max(10px, env(safe-area-inset-left)) env(safe-area-inset-bottom) max(10px, env(safe-area-inset-right));
    box-sizing: border-box;
}

.viaje-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 900px;
    height: 45px;
}

#viaje-nombre,
#viaje-resumen,
#fecha-hora {
    font-weight: 600;
    color: var(--color-dia);
}

#viaje-nombre { cursor: pointer; }

/* === TITULO DE PAGINA === */
.page-title {
    position: sticky;
    top: 45px;
    z-index: 50;
    margin: 0;
    padding: 8px 20px;
    text-align: center;
    font-family: 'Poppins', sans-serif;
    font-size: 1.6em;
    font-weight: 600;
    color: var(--color-dia);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 3px solid var(--color-dia);
    box-shadow:
        0 2px 12px rgba(0, 0, 0, 0.15),
        0 4px 20px rgba(0, 0, 0, 0.1);
}

/* === CONTENEDORES === */
.contenido {
    margin-top: 90px;
    padding: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 140px;
}

.botones {
    margin-top: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding-bottom: 100px;
}

.config-menu {
    margin-top: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.config-menu h2 {
    color: var(--color-dia);
    margin-bottom: 20px;
    font-size: 1.5em;
}

.config-menu .boton {
    width: 80%;
    max-width: 400px;
}